.gitignore

@@ -13,5 +13,3 @@ myFilter.cpp
 my*.h
 !my*.example.h
 compile_commands.json
-newcode.txt.old
-UserAddin.txt

CommandDistributor.cpp

@@ -105,7 +105,6 @@ void  CommandDistributor::parse(byte clientId,byte * buffer, RingStream * stream
 void CommandDistributor::forget(byte clientId) {
   if (clients[clientId]==WITHROTTLE_TYPE) WiThrottle::forget(clientId);
   clients[clientId]=NONE_TYPE;
-  if (virtualLCDClient==clientId) virtualLCDClient=RingStream::NO_CLIENT;
 }
 #endif 
 
@@ -162,10 +161,6 @@ void  CommandDistributor::broadcastTurnout(int16_t id, bool isClosed ) {
 #endif
 }
 
-void CommandDistributor::broadcastTurntable(int16_t id, uint8_t position, bool moving) {
-  broadcastReply(COMMAND_TYPE, F("<I %d %d %d>\n"), id, position, moving);
-}
-
 void  CommandDistributor::broadcastClockTime(int16_t time, int8_t rate) {
   // The JMRI clock command is of the form : PFT65871<;>4
   // The CS broadcast is of the form "<jC mmmm nn" where mmmm is time minutes and dd speed
@@ -249,123 +244,27 @@ void  CommandDistributor::broadcastLoco(byte slot) {
 }
 
 void  CommandDistributor::broadcastPower() {
-  char pstr[] = "? x";
-  for(byte t=0; t<TrackManager::MAX_TRACKS; t++)
-    if (TrackManager::getPower(t, pstr))
-      broadcastReply(COMMAND_TYPE, F("<p%s>\n"),pstr);
-
-  byte trackcount=0;
-  byte oncount=0;
-  byte offcount=0;
-  for(byte t=0; t<TrackManager::MAX_TRACKS; t++) {
-    if (TrackManager::isActive(t)) {
-      trackcount++;
-      // do not call getPower(t) unless isActive(t)!
-      if (TrackManager::getPower(t) == POWERMODE::ON)
-	oncount++;
-      else
-	offcount++;
-    }
-  }
-  //DIAG(F("t=%d on=%d off=%d"), trackcount, oncount, offcount);
-
-  char state='2';
-  if (oncount==0 || offcount == trackcount)
-    state = '0';
-  else if (oncount == trackcount) {
-    state = '1';
-  }
-
-  // additional info about MAIN, PROG and JOIN
   bool main=TrackManager::getMainPower()==POWERMODE::ON;
   bool prog=TrackManager::getProgPower()==POWERMODE::ON;
   bool join=TrackManager::isJoined();
-  //DIAG(F("m=%d p=%d j=%d"), main, prog, join);
   const FSH * reason=F("");
-  if (join) {
+  char state='1';
-    reason = F("JOIN");
+  if (main && prog && join) reason=F(" JOIN");
-    broadcastReply(COMMAND_TYPE, F("<p1 %S>\n"),reason);
+  else if (main && prog);
-  } else {
+  else if (main) reason=F(" MAIN");
-    if (main) {
+  else if (prog) reason=F(" PROG");
-      //reason = F("MAIN");
+  else state='0';
-      broadcastReply(COMMAND_TYPE, F("<p1 MAIN>\n"));
+  broadcastReply(COMMAND_TYPE, F("<p%c%S>\n"),state,reason);
-    }
-    if (prog) {
-      //reason = F("PROG");
-      broadcastReply(COMMAND_TYPE, F("<p1 PROG>\n"));
-    }
-  }
-
-  if (state != '2')
-    broadcastReply(COMMAND_TYPE, F("<p%c>\n"),state);
 #ifdef CD_HANDLE_RING
-  // send '1' if all main are on, otherwise global state (which in that case is '0' or '2')
+  broadcastReply(WITHROTTLE_TYPE, F("PPA%c\n"), main?'1':'0');
-  broadcastReply(WITHROTTLE_TYPE, F("PPA%c\n"), main?'1': state);
 #endif
-
+  LCD(2,F("Power %S%S"),state=='1'?F("On"):F("Off"),reason);  
-  LCD(2,F("Power %S %S"),state=='1'?F("On"): ( state=='0'? F("Off") : F("SC") ),reason);
 }
 
 void CommandDistributor::broadcastRaw(clientType type, char * msg) {
   broadcastReply(type, F("%s"),msg);
 }
 
-void CommandDistributor::broadcastTrackState(const FSH* format, byte trackLetter, const FSH *modename, int16_t dcAddr) {
+void CommandDistributor::broadcastTrackState(const FSH* format,byte trackLetter,int16_t dcAddr) {
-  broadcastReply(COMMAND_TYPE, format, trackLetter, modename, dcAddr);
+  broadcastReply(COMMAND_TYPE, format,trackLetter,dcAddr);
 }
-
-void  CommandDistributor::broadcastRouteState(uint16_t routeId, byte state ) {
-  broadcastReply(COMMAND_TYPE, F("<jB %d %d>\n"),routeId,state);
-}
-
-void  CommandDistributor::broadcastRouteCaption(uint16_t routeId, const FSH* caption ) {
-  broadcastReply(COMMAND_TYPE, F("<jB %d \"%S\">\n"),routeId,caption);
-}
-
-Print * CommandDistributor::getVirtualLCDSerial(byte screen, byte row) {
-  Print * stream=virtualLCDSerial;
-  #ifdef  CD_HANDLE_RING
-  rememberVLCDClient=RingStream::NO_CLIENT;
-  if (!stream && virtualLCDClient!=RingStream::NO_CLIENT) {
-    // If we are broadcasting from a wifi/eth process we need to complete its output
-    // before merging broadcasts in the ring, then reinstate it in case
-    // the process continues to output to its client.
-    if ((rememberVLCDClient = ring->peekTargetMark()) != RingStream::NO_CLIENT) {
-      ring->commit();
-    }
-    ring->mark(virtualLCDClient);   
-    stream=ring; 
-  }
-  #endif
-  if (stream) StringFormatter::send(stream,F("<@ %d %d \""), screen,row);
-  return stream;  
-}
-
-void CommandDistributor::commitVirtualLCDSerial() {
-  #ifdef  CD_HANDLE_RING
-  if (virtualLCDClient!=RingStream::NO_CLIENT) {
-    StringFormatter::send(ring,F("\">\n"));
-    ring->commit();
-    if (rememberVLCDClient!=RingStream::NO_CLIENT) ring->mark(rememberVLCDClient);
-    return;  
-   }
-  #endif
-  StringFormatter::send(virtualLCDSerial,F("\">\n"));  
-}
-
-void CommandDistributor::setVirtualLCDSerial(Print * stream) {
-  #ifdef  CD_HANDLE_RING
-  virtualLCDClient=RingStream::NO_CLIENT;
-  if (stream && stream->availableForWrite()==RingStream::THIS_IS_A_RINGSTREAM) {
-     virtualLCDClient=((RingStream *) stream)->peekTargetMark();
-     virtualLCDSerial=nullptr;
-     return;
-  }      
-    #endif
-  virtualLCDSerial=stream;
-}
-
-Print* CommandDistributor::virtualLCDSerial=&USB_SERIAL;
-byte CommandDistributor::virtualLCDClient=0xFF;
-byte CommandDistributor::rememberVLCDClient=0;
-

CommandDistributor.h

@@ -49,26 +49,15 @@ public :
   static void broadcastLoco(byte slot);
   static void broadcastSensor(int16_t id, bool value);
   static void broadcastTurnout(int16_t id, bool isClosed);
-  static void broadcastTurntable(int16_t id, uint8_t position, bool moving);
   static void broadcastClockTime(int16_t time, int8_t rate);
   static void setClockTime(int16_t time, int8_t rate, byte opt);
   static int16_t retClockTime();
   static void broadcastPower();
   static void broadcastRaw(clientType type,char * msg);
-  static void broadcastTrackState(const FSH* format,byte trackLetter, const FSH* modename, int16_t dcAddr);
+  static void broadcastTrackState(const FSH* format,byte trackLetter,int16_t dcAddr);
   template<typename... Targs> static void broadcastReply(clientType type, Targs... msg);
   static void forget(byte clientId);
-  static void broadcastRouteState(uint16_t routeId,byte state);
-  static void broadcastRouteCaption(uint16_t routeId,const FSH * caption);
   
-  // Handling code for virtual LCD receiver.
-  static Print * getVirtualLCDSerial(byte screen, byte row);
-  static void commitVirtualLCDSerial();
-  static void setVirtualLCDSerial(Print * stream); 
-  private:
-    static Print * virtualLCDSerial;
-    static byte virtualLCDClient;
-    static byte rememberVLCDClient;
 };
 
 #endif

CommandStation-EX.ino

@@ -87,7 +87,7 @@ void setup()
 
   DISPLAY_START (
     // This block is still executed for DIAGS if display not in use
-    LCD(0,F("DCC-EX v" VERSION));
+    LCD(0,F("DCC-EX v%S"),F(VERSION));
     LCD(1,F("Lic GPLv3"));
   );
 

DCC.cpp

@@ -595,7 +595,7 @@ void DCC::loop()  {
 
 void DCC::issueReminders() {
   // if the main track transmitter still has a pending packet, skip this time around.
-  if (!DCCWaveform::mainTrack.isReminderWindowOpen()) return;
+  if ( DCCWaveform::mainTrack.getPacketPending()) return;
   // Move to next loco slot.  If occupied, send a reminder.
   int reg = lastLocoReminder+1;
   if (reg > highestUsedReg) reg = 0;  // Go to start of table
@@ -620,23 +620,14 @@ bool DCC::issueReminder(int reg) {
        case 1: // remind function group 1 (F0-F4)
           if (flags & FN_GROUP_1)
               setFunctionInternal(loco,0, 128 | ((functions>>1)& 0x0F) | ((functions & 0x01)<<4)); // 100D DDDD
-#ifdef DISABLE_FUNCTION_REMINDERS
-          flags&= ~FN_GROUP_1;  // dont send them again
-#endif
           break;
        case 2: // remind function group 2 F5-F8
           if (flags & FN_GROUP_2)
               setFunctionInternal(loco,0, 176 | ((functions>>5)& 0x0F));                           // 1011 DDDD
-#ifdef DISABLE_FUNCTION_REMINDERS
-          flags&= ~FN_GROUP_2;  // dont send them again
-#endif
           break;
        case 3: // remind function group 3 F9-F12
           if (flags & FN_GROUP_3)
               setFunctionInternal(loco,0, 160 | ((functions>>9)& 0x0F));                           // 1010 DDDD
-#ifdef DISABLE_FUNCTION_REMINDERS
-          flags&= ~FN_GROUP_3;  // dont send them again
-#endif
           break;
        case 4: // remind function group 4 F13-F20
           if (flags & FN_GROUP_4)

DCCACK.cpp

@@ -351,7 +351,7 @@ void DCCACK::callback(int value) {
 
     switch (callbackState) {
       case AFTER_READ:
-         if (ackManagerRejoin && !autoPowerOff) {
+         if (ackManagerRejoin && autoPowerOff) {
                 progDriver->setPower(POWERMODE::OFF);
                 callbackStart=millis();
                 callbackState=WAITING_30;

DCCEXParser.cpp

@@ -25,79 +25,6 @@
  *  You should have received a copy of the GNU General Public License
  *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
  */
-
-/*
-List of single character OPCODEs in use for reference.
-
-When determining a new OPCODE for a new feature, refer to this list as the source of truth.
-
-Once a new OPCODE is decided upon, update this list.
-
-  Character, Usage
-  /, |EX-R| interactive commands
-  -, Remove from reminder table
-  =, |TM| configuration
-  !, Emergency stop
-  @, Reserved for future use - LCD messages to JMRI
-  #, Request number of supported cabs/locos; heartbeat
-  +, WiFi AT commands
-  ?, Reserved for future use
-  0, Track power off
-  1, Track power on
-  a, DCC accessory control
-  A,
-  b, Write CV bit on main
-  B, Write CV bit
-  c, Request current command
-  C, configure the CS
-  d,
-  D, Diagnostic commands
-  e, Erase EEPROM
-  E, Store configuration in EEPROM
-  f, Loco decoder function control (deprecated)
-  F, Loco decoder function control
-  g,
-  G,
-  h,
-  H, Turnout state broadcast
-  i, Server details string
-  I, Turntable object command, control, and broadcast
-  j, Throttle responses
-  J, Throttle queries
-  k, Reserved for future use - Potentially Railcom
-  K, Reserved for future use - Potentially Railcom
-  l, Loco speedbyte/function map broadcast
-  L, Reserved for LCC interface (implemented in EXRAIL)
-  m,
-  M, Write DCC packet
-  n,
-  N,
-  o,
-  O, Output broadcast
-  p, Broadcast power state
-  P, Write DCC packet
-  q, Sensor deactivated
-  Q, Sensor activated
-  r, Broadcast address read on programming track
-  R, Read CVs
-  s, Display status
-  S, Sensor configuration
-  t, Cab/loco update command
-  T, Turnout configuration/control
-  u, Reserved for user commands
-  U, Reserved for user commands
-  v,
-  V, Verify CVs
-  w, Write CV on main
-  W, Write CV
-  x,
-  X, Invalid command
-  y,
-  Y, Output broadcast
-  z,
-  Z, Output configuration/control
-*/
-
 #include "StringFormatter.h"
 #include "DCCEXParser.h"
 #include "DCC.h"
@@ -114,8 +41,6 @@ Once a new OPCODE is decided upon, update this list.
 #include "TrackManager.h"
 #include "DCCTimer.h"
 #include "EXRAIL2.h"
-#include "Turntables.h"
-#include "version.h"
 
 // This macro can't be created easily as a portable function because the
 // flashlist requires a far pointer for high flash access. 
@@ -123,7 +48,7 @@ Once a new OPCODE is decided upon, update this list.
     for (int16_t i=0;;i+=sizeof(flashList[0])) {                            \
         int16_t value=GETHIGHFLASHW(flashList,i);       \
         if (value==INT16_MAX) break;                            \
-        StringFormatter::send(stream,F(" %d"),value);	\
+        if (value != 0) StringFormatter::send(stream,F(" %d"),value);	\
     }                                   
 
 
@@ -158,11 +83,7 @@ const int16_t HASH_KEYWORD_VPIN=-415;
 const int16_t HASH_KEYWORD_A='A';
 const int16_t HASH_KEYWORD_C='C';
 const int16_t HASH_KEYWORD_G='G';
-const int16_t HASH_KEYWORD_H='H';
 const int16_t HASH_KEYWORD_I='I';
-const int16_t HASH_KEYWORD_M='M';
-const int16_t HASH_KEYWORD_O='O';
-const int16_t HASH_KEYWORD_P='P';
 const int16_t HASH_KEYWORD_R='R';
 const int16_t HASH_KEYWORD_T='T';
 const int16_t HASH_KEYWORD_X='X';
@@ -174,8 +95,6 @@ const int16_t HASH_KEYWORD_ANOUT = -26399;
 const int16_t HASH_KEYWORD_WIFI = -5583;
 const int16_t HASH_KEYWORD_ETHERNET = -30767;
 const int16_t HASH_KEYWORD_WIT = 31594;
-const int16_t HASH_KEYWORD_EXTT = 8573;
-const int16_t HASH_KEYWORD_ADD = 3201;
 
 int16_t DCCEXParser::stashP[MAX_COMMAND_PARAMS];
 bool DCCEXParser::stashBusy;
@@ -212,10 +131,8 @@ int16_t DCCEXParser::splitValues(int16_t result[MAX_COMMAND_PARAMS], const byte
         case 1: // skipping spaces before a param
             if (hot == ' ')
                 break;
-            if (hot == '\0')
+            if (hot == '\0' || hot == '>')
-	      return -1;
+                return parameterCount;
-	    if (hot == '>')
-	      return parameterCount;
             state = 2;
             continue;
 
@@ -308,18 +225,13 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 #ifndef DISABLE_EEPROM
     (void)EEPROM; // tell compiler not to warn this is unused
 #endif
-    byte params = 0;
     if (Diag::CMD)
         DIAG(F("PARSING:%s"), com);
     int16_t p[MAX_COMMAND_PARAMS];
     while (com[0] == '<' || com[0] == ' ')
         com++; // strip off any number of < or spaces
     byte opcode = com[0];
-    int16_t splitnum = splitValues(p, com, opcode=='M' || opcode=='P');
+    byte params = splitValues(p, com, opcode=='M' || opcode=='P');
-    if (splitnum < 0 || splitnum >= MAX_COMMAND_PARAMS) // if arguments are broken, leave but via printing <X>
-      goto out;
-    // Because of check above we are now inside byte size
-    params = splitnum;
     
     if (filterCallback)
         filterCallback(stream, opcode, params, p);
@@ -466,16 +378,12 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 
 #ifndef DISABLE_PROG
     case 'w': // WRITE CV on MAIN <w CAB CV VALUE>
-      if (params != 3)
+        DCC::writeCVByteMain(p[0], p[1], p[2]);
-	break;
+        return;
-      DCC::writeCVByteMain(p[0], p[1], p[2]);
-      return;
 
     case 'b': // WRITE CV BIT ON MAIN <b CAB CV BIT VALUE>
-      if (params != 4)
+        DCC::writeCVBitMain(p[0], p[1], p[2], p[3]);
-	break;
+        return;
-      DCC::writeCVBitMain(p[0], p[1], p[2], p[3]);
-      return;
 #endif
 
     case 'M': // WRITE TRANSPARENT DCC PACKET MAIN <M REG X1 ... X9>
@@ -498,16 +406,14 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
         
 #ifndef DISABLE_PROG
     case 'W': // WRITE CV ON PROG <W CV VALUE CALLBACKNUM CALLBACKSUB>
-        if (!stashCallback(stream, p, ringStream))
+            if (!stashCallback(stream, p, ringStream))
-	    break;
+                break;
         if (params == 1) // <W id> Write new loco id (clearing consist and managing short/long)
             DCC::setLocoId(p[0],callback_Wloco);
         else if (params == 4)  // WRITE CV ON PROG <W CV VALUE [CALLBACKNUM] [CALLBACKSUB]>
             DCC::writeCVByte(p[0], p[1], callback_W4);
-        else if (params == 2)  // WRITE CV ON PROG <W CV VALUE>
+        else  // WRITE CV ON PROG <W CV VALUE>
             DCC::writeCVByte(p[0], p[1], callback_W);
-	else
-            break;
         return;
 
     case 'V': // VERIFY CV ON PROG <V CV VALUE> <V CV BIT 0|1>
@@ -527,11 +433,9 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
         }
         break;
 
-    case 'B': // WRITE CV BIT ON PROG  <B CV BIT VALUE CALLBACKNUM CALLBACKSUB> or <B CV BIT VALUE>
+    case 'B': // WRITE CV BIT ON PROG <B CV BIT VALUE CALLBACKNUM CALLBACKSUB>
-        if (params != 3 && params != 5)
-	  break;
         if (!stashCallback(stream, p, ringStream))
-	  break;
+            break;
         DCC::writeCVBit(p[0], p[1], p[2], callback_B);
         return;
 
@@ -562,67 +466,70 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 
     case '1': // POWERON <1   [MAIN|PROG|JOIN]>
         {
-	  if (params > 1) break;
+        bool main=false;
-	  if (params==0) { // All
+        bool prog=false;
-	    TrackManager::setTrackPower(TRACK_MODE_ALL, POWERMODE::ON);
+        bool join=false;
+        if (params > 1) break;
+        if (params==0) { // All
+            main=true;
+            prog=true;
+        }
+	if (params==1) {
+	  if (p[0]==HASH_KEYWORD_MAIN) { // <1 MAIN>
+            main=true;
 	  }
-	  if (params==1) {
-	    if (p[0]==HASH_KEYWORD_MAIN) { // <1 MAIN>
-	      TrackManager::setTrackPower(TRACK_MODE_MAIN, POWERMODE::ON);
-            }
 #ifndef DISABLE_PROG
-            else if (p[0] == HASH_KEYWORD_JOIN) {  // <1 JOIN>
+	  else if (p[0] == HASH_KEYWORD_JOIN) {  // <1 JOIN>
-	      TrackManager::setJoin(true);
+            main=true;
-	      TrackManager::setTrackPower(TRACK_MODE_MAIN|TRACK_MODE_PROG, POWERMODE::ON);
+            prog=true;
-            }
+            join=true;
-            else if (p[0]==HASH_KEYWORD_PROG) { // <1 PROG>
-	      TrackManager::setJoin(false);
-	      TrackManager::setTrackPower(TRACK_MODE_PROG, POWERMODE::ON);
-            }
-#endif
-            else if (p[0] >= HASH_KEYWORD_A && p[0] <= HASH_KEYWORD_H) { // <1 A-H>
-	      byte t = (p[0] - 'A');
-	      TrackManager::setTrackPower(POWERMODE::ON, t);
-	      //StringFormatter::send(stream, F("<p1 %c>\n"), t+'A');
-            }
-	    else break; // will reply <X>
 	  }
-	  CommandDistributor::broadcastPower();
+	  else if (p[0]==HASH_KEYWORD_PROG) { // <1 PROG>
-	  //TrackManager::streamTrackState(NULL,t);
+            prog=true;
-          
+	  }
-	  return;
+#endif
+	  else break; // will reply <X>
 	}
+        TrackManager::setJoin(join);
+        if (main) TrackManager::setMainPower(POWERMODE::ON);
+        if (prog) TrackManager::setProgPower(POWERMODE::ON);
+
+        CommandDistributor::broadcastPower();
+        return;
+        }
 
     case '0': // POWEROFF <0 [MAIN | PROG] >
         {
-	  if (params > 1) break;
+        bool main=false;
-	  if (params==0) { // All
+        bool prog=false;
-	    TrackManager::setJoin(false);
+        if (params > 1) break;
-	    TrackManager::setTrackPower(TRACK_MODE_ALL, POWERMODE::OFF);
+        if (params==0) { // All
+	  main=true;
+	  prog=true;
+        }
+	if (params==1) {
+	  if (p[0]==HASH_KEYWORD_MAIN) { // <0 MAIN>
+	    main=true;
 	  }
-	  if (params==1) {
-	    if (p[0]==HASH_KEYWORD_MAIN) { // <0 MAIN>
-	      TrackManager::setJoin(false);
-	      TrackManager::setTrackPower(TRACK_MODE_MAIN, POWERMODE::OFF);
-	    }
 #ifndef DISABLE_PROG
-            else if (p[0]==HASH_KEYWORD_PROG) { // <0 PROG>
+	  else if (p[0]==HASH_KEYWORD_PROG) { // <0 PROG>
-	      TrackManager::progTrackBoosted=false;  // Prog track boost mode will not outlive prog track off
+	    prog=true;
-	      TrackManager::setTrackPower(TRACK_MODE_PROG, POWERMODE::OFF);
-            }
-#endif
-	    else if (p[0] >= HASH_KEYWORD_A && p[0] <= HASH_KEYWORD_H) { // <1 A-H>
-	      byte t = (p[0] - 'A');
-	      TrackManager::setJoin(false);
-	      TrackManager::setTrackPower(POWERMODE::OFF, t);
-	      //StringFormatter::send(stream, F("<p0 %c>\n"), t+'A');
-	    }
-	    else break; // will reply <X>
 	  }
-	  CommandDistributor::broadcastPower();
+#endif
-	  return;
+	  else break; // will reply <X>
 	}
 
+        TrackManager::setJoin(false);
+        if (main) TrackManager::setMainPower(POWERMODE::OFF);
+        if (prog) {
+            TrackManager::progTrackBoosted=false;  // Prog track boost mode will not outlive prog track off
+            TrackManager::setProgPower(POWERMODE::OFF);
+        }
+
+        CommandDistributor::broadcastPower();
+        return;
+        }
+
     case '!': // ESTOP ALL  <!>
         DCC::setThrottle(0,1,1); // this broadcasts speed 1(estop) and sets all reminders to speed 1.
         return;
@@ -637,7 +544,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
         Sensor::printAll(stream);
         return;
 
-    case 's': // STATUS <s>
+    case 's': // <s>
         StringFormatter::send(stream, F("<iDCC-EX V-%S / %S / %S G-%S>\n"), F(VERSION), F(ARDUINO_TYPE), DCC::getMotorShieldName(), F(GITHUB_SHA));
         CommandDistributor::broadcastPower(); // <s> is the only "get power status" command we have
         Turnout::printAll(stream); //send all Turnout states
@@ -658,18 +565,14 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
     case ' ': // < >
         StringFormatter::send(stream, F("\n"));
         return;
-    case 'C': // CONFIG <C [params]>
+
-        if (parseC(stream, params, p))
+    case 'D': // < >
-            return;
-        break;
-#ifndef DISABLE_DIAG
-    case 'D': // DIAG <D [params]>
         if (parseD(stream, params, p))
             return;
-        break;
+        return;
-#endif
+
-    case '=': // TRACK MANAGER CONTROL <= [params]>
+    case '=': // <= Track manager control  >
-        if (TrackManager::parseEqualSign(stream, params, p))
+        if (TrackManager::parseJ(stream, params, p))
             return;
         break;
 
@@ -725,17 +628,27 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                     TrackManager::reportCurrent(stream);   // <g limit...limit>     
                     return;
 
-                case HASH_KEYWORD_A: // <JA> intercepted by EXRAIL// <JA> returns automations/routes
+                case HASH_KEYWORD_A: // <JA> returns automations/routes
-                    if (params!=1) break; // <JA>
+                    StringFormatter::send(stream, F("<jA"));
-                    StringFormatter::send(stream, F("<jA>\n"));
+                    if (params==1) {// <JA>
+#ifdef EXRAIL_ACTIVE
+                        SENDFLASHLIST(stream,RMFT2::routeIdList)
+                        SENDFLASHLIST(stream,RMFT2::automationIdList)
+#endif
+                    }
+                    else {  // <JA id>
+                        StringFormatter::send(stream,F(" %d %c \"%S\""), 
+                                        id, 
+#ifdef EXRAIL_ACTIVE
+                                        RMFT2::getRouteType(id), // A/R
+                                        RMFT2::getRouteDescription(id)
+#else  
+                                        'X',F("")
+#endif                                        
+                                        );
+                    }
+                    StringFormatter::send(stream, F(">\n"));      
                     return; 
- 
-                case HASH_KEYWORD_M: // <JM> intercepted by EXRAIL
-                    if (params>1) break; // invalid cant do
-                    // <JM> requests stash size so say none.
-                    StringFormatter::send(stream,F("<jM 0>\n")); 
-                    return;
- 
             case HASH_KEYWORD_R: // <JR> returns rosters 
                 StringFormatter::send(stream, F("<jR"));
 #ifdef EXRAIL_ACTIVE
@@ -743,15 +656,11 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                     SENDFLASHLIST(stream,RMFT2::rosterIdList)
                 }
                 else {
-                    auto rosterName= RMFT2::getRosterName(id);
+		  const FSH * functionNames= RMFT2::getRosterFunctions(id);
-                    if (!rosterName) rosterName=F("");
+		  StringFormatter::send(stream,F(" %d \"%S\" \"%S\""), 
-
+					id, RMFT2::getRosterName(id),
-                    auto functionNames= RMFT2::getRosterFunctions(id);
+					functionNames == NULL ? RMFT2::getRosterFunctions(0) : functionNames);
-                    if (!functionNames) functionNames=RMFT2::getRosterFunctions(0);
+		}
-                    if (!functionNames) functionNames=F("");
-                    StringFormatter::send(stream,F(" %d \"%S\" \"%S\""), 
-					                            id, rosterName, functionNames);
-                }
 #endif          
                 StringFormatter::send(stream, F(">\n"));      
                 return; 
@@ -780,94 +689,20 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                 }
                 StringFormatter::send(stream, F(">\n"));
                 return;
-// No turntables without HAL support
-#ifndef IO_NO_HAL
-            case HASH_KEYWORD_O: // <JO returns turntable list
-                StringFormatter::send(stream, F("<jO"));
-                if (params==1) { // <JO>
-                    for (Turntable * tto=Turntable::first(); tto; tto=tto->next()) { 
-                        if (tto->isHidden()) continue;          
-                        StringFormatter::send(stream, F(" %d"),tto->getId());
-                    }
-                    StringFormatter::send(stream, F(">\n"));
-                } else {    // <JO id>
-                    Turntable *tto=Turntable::get(id);
-                    if (!tto || tto->isHidden()) {
-                        StringFormatter::send(stream, F(" %d X>\n"), id);
-                    } else {
-                        uint8_t pos = tto->getPosition();
-                        uint8_t type = tto->isEXTT();
-                        uint8_t posCount = tto->getPositionCount();
-                        const FSH *todesc = NULL;
-#ifdef EXRAIL_ACTIVE
-                        todesc = RMFT2::getTurntableDescription(id);
-#endif
-                        if (todesc == NULL) todesc = F("");
-                        StringFormatter::send(stream, F(" %d %d %d %d \"%S\">\n"), id, type, pos, posCount, todesc);
-                    }
-                }
-                return;
-            case HASH_KEYWORD_P: // <JP id> returns turntable position list for the turntable id
-                if (params==2) { // <JP id>
-                    Turntable *tto=Turntable::get(id);
-                    if (!tto || tto->isHidden()) {
-                        StringFormatter::send(stream, F(" %d X>\n"), id);
-                    } else {
-                        uint8_t posCount = tto->getPositionCount();
-                        const FSH *tpdesc = NULL;
-                        for (uint8_t p = 0; p < posCount; p++) {
-                            StringFormatter::send(stream, F("<jP"));
-                            int16_t angle = tto->getPositionAngle(p);
-#ifdef EXRAIL_ACTIVE
-                            tpdesc = RMFT2::getTurntablePositionDescription(id, p);
-#endif
-                            if (tpdesc == NULL) tpdesc = F("");
-                            StringFormatter::send(stream, F(" %d %d %d \"%S\""), id, p, angle, tpdesc);
-                            StringFormatter::send(stream, F(">\n"));
-                        }
-                    }
-                } else {
-                    StringFormatter::send(stream, F("<jP X>\n"));
-                }
-                return;
-#endif
             default: break;    
             }  // switch(p[1])
         break; // case J
         }
 
-// No turntables without HAL support
-#ifndef IO_NO_HAL
-    case 'I': // TURNTABLE  <I ...>
-        if (parseI(stream, params, p))
-            return;
-        break;
-#endif
-
-    case 'L': // LCC interface implemented in EXRAIL parser
-        break; // Will <X> if not intercepted by EXRAIL 
-
-#ifndef DISABLE_VDPY
-    case '@': // JMRI saying "give me virtual LCD msgs"
-        CommandDistributor::setVirtualLCDSerial(stream);
-        StringFormatter::send(stream,
-            F("<@ 0 0 \"DCC-EX v" VERSION "\">\n"
-               "<@ 0 1 \"Lic GPLv3\">\n"));
-        return; 
-#endif
     default: //anything else will diagnose and drop out to <X>
-      if (opcode >= ' ' && opcode <= '~') {
         DIAG(F("Opcode=%c params=%d"), opcode, params);
         for (int i = 0; i < params; i++)
             DIAG(F("p[%d]=%d (0x%x)"), i, p[i], p[i]);
-      } else {
+        break;
-	DIAG(F("Unprintable %x"), opcode);
-      }
-      break;
 
     } // end of opcode switch
 
-out:// Any fallout here sends an <X>
+    // Any fallout here sends an <X>
     StringFormatter::send(stream, F("<X>\n"));
 }
 
@@ -1064,29 +899,20 @@ bool DCCEXParser::parseS(Print *stream, int16_t params, int16_t p[])
     return false;
 }
 
-bool DCCEXParser::parseC(Print *stream, int16_t params, int16_t p[]) {
+bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
-    (void)stream; // arg not used, maybe later?
+{
     if (params == 0)
         return false;
+    bool onOff = (params > 0) && (p[1] == 1 || p[1] == HASH_KEYWORD_ON); // dont care if other stuff or missing... just means off
     switch (p[0])
     {
-#ifndef DISABLE_PROG
+    case HASH_KEYWORD_CABS: // <D CABS>
-    case HASH_KEYWORD_PROGBOOST:
+        DCC::displayCabList(stream);
-        TrackManager::progTrackBoosted=true;
-	    return true;
-#endif
-    case HASH_KEYWORD_RESET:
-        DCCTimer::reset();
-        break; // and <X> if we didnt restart
-    case HASH_KEYWORD_SPEED28:
-        DCC::setGlobalSpeedsteps(28);
-	DIAG(F("28 Speedsteps"));
         return true;
 
-    case HASH_KEYWORD_SPEED128:
+    case HASH_KEYWORD_RAM: // <D RAM>
-        DCC::setGlobalSpeedsteps(128);
+        StringFormatter::send(stream, F("Free memory=%d\n"), DCCTimer::getMinimumFreeMemory());
-	DIAG(F("128 Speedsteps"));
+        break;
-        return true;
 
 #ifndef DISABLE_PROG
     case HASH_KEYWORD_ACK: // <D ACK ON/OFF> <D ACK [LIMIT|MIN|MAX|RETRY] Value>
@@ -1105,35 +931,12 @@ bool DCCEXParser::parseC(Print *stream, int16_t params, int16_t p[]) {
 	      LCD(0, F("Ack Retry=%d Sum=%d"), p[2], DCCACK::setAckRetry(p[2]));  //   <D ACK RETRY 2>
 	    }
 	} else {
-      bool onOff = (params > 0) && (p[1] == 1 || p[1] == HASH_KEYWORD_ON); // dont care if other stuff or missing... just means off
+	  StringFormatter::send(stream, F("Ack diag %S\n"), onOff ? F("on") : F("off"));
-    
-	  DIAG(F("Ack diag %S"), onOff ? F("on") : F("off"));
 	  Diag::ACK = onOff;
 	}
         return true;
 #endif
 
-default: // invalid/unknown
-      break;
-    }
-    return false;
-}
-
-bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
-{
-    if (params == 0)
-        return false;
-    bool onOff = (params > 0) && (p[1] == 1 || p[1] == HASH_KEYWORD_ON); // dont care if other stuff or missing... just means off
-    switch (p[0])
-    {
-    case HASH_KEYWORD_CABS: // <D CABS>
-        DCC::displayCabList(stream);
-        return true;
-
-    case HASH_KEYWORD_RAM: // <D RAM>
-        DIAG(F("Free memory=%d"), DCCTimer::getMinimumFreeMemory());
-        return true;
-
     case HASH_KEYWORD_CMD: // <D CMD ON/OFF>
         Diag::CMD = onOff;
         return true;
@@ -1155,14 +958,34 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
         Diag::LCN = onOff;
         return true;
 #endif
+#ifndef DISABLE_PROG
+    case HASH_KEYWORD_PROGBOOST:
+        TrackManager::progTrackBoosted=true;
+	    return true;
+#endif
+    case HASH_KEYWORD_RESET:
+        DCCTimer::reset();
+        break; // and <X> if we didnt restart 
+    
+
 #ifndef DISABLE_EEPROM
     case HASH_KEYWORD_EEPROM: // <D EEPROM NumEntries>
 	if (params >= 2)
 	    EEStore::dump(p[1]);
 	return true;
 #endif
-    case HASH_KEYWORD_SERVO:  // <D SERVO vpin position [profile]>
 
+    case HASH_KEYWORD_SPEED28:
+        DCC::setGlobalSpeedsteps(28);
+	StringFormatter::send(stream, F("28 Speedsteps"));
+        return true;
+
+    case HASH_KEYWORD_SPEED128:
+        DCC::setGlobalSpeedsteps(128);
+	StringFormatter::send(stream, F("128 Speedsteps"));
+        return true;
+
+    case HASH_KEYWORD_SERVO:  // <D SERVO vpin position [profile]>
     case HASH_KEYWORD_ANOUT:  // <D ANOUT vpin position [profile]>
         IODevice::writeAnalogue(p[1], p[2], params>3 ? p[3] : 0);
         break;
@@ -1185,104 +1008,11 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
         break;
 
     default: // invalid/unknown
-        return parseC(stream, params, p);
+        break;
     }
     return false;
 }
 
-// ==========================
-// Turntable - no support if no HAL
-// <I> - list all
-// <I id> - broadcast type and current position
-// <I id DCC> - create DCC - This is TBA
-// <I id steps> - operate (DCC)
-// <I id steps activity> - operate (EXTT)
-// <I id ADD position value> - add position
-// <I id EXTT i2caddress vpin home> - create EXTT
-#ifndef IO_NO_HAL
-bool DCCEXParser::parseI(Print *stream, int16_t params, int16_t p[])
-{
-    switch (params)
-    {
-    case 0: // <I> list turntable objects
-        return Turntable::printAll(stream);
-
-    case 1: // <I id> broadcast type and current position
-        {    
-            Turntable *tto = Turntable::get(p[0]);
-            if (tto) {
-                bool type = tto->isEXTT();
-                uint8_t position = tto->getPosition();
-                StringFormatter::send(stream, F("<I %d %d>\n"), type, position);
-            } else {
-                return false;
-            }
-        }
-        return true;
-    
-    case 2: // <I id position> - rotate a DCC turntable
-        {
-            Turntable *tto = Turntable::get(p[0]);
-            if (tto && !tto->isEXTT()) {
-                if (!tto->setPosition(p[0], p[1])) return false;
-            } else {
-                return false;
-            }
-        }
-        return true;
-
-    case 3: // <I id position activity> | <I id DCC home> - rotate to position for EX-Turntable or create DCC turntable
-        {
-            Turntable *tto = Turntable::get(p[0]);
-            if (p[1] == HASH_KEYWORD_DCC) {
-                if (tto || p[2] < 0 || p[2] > 3600) return false;
-                if (!DCCTurntable::create(p[0])) return false;
-                Turntable *tto = Turntable::get(p[0]);
-                tto->addPosition(0, 0, p[2]);
-                StringFormatter::send(stream, F("<I>\n"));
-            } else {
-                if (!tto) return false;
-                if (!tto->isEXTT()) return false;
-                if (!tto->setPosition(p[0], p[1], p[2])) return false;
-            }
-        }
-        return true;
-    
-    case 4: // <I id EXTT vpin home> create an EXTT turntable
-        {
-            Turntable *tto = Turntable::get(p[0]);
-            if (p[1] == HASH_KEYWORD_EXTT) {
-                if (tto || p[3] < 0 || p[3] > 3600) return false;
-                if (!EXTTTurntable::create(p[0], (VPIN)p[2])) return false;
-                Turntable *tto = Turntable::get(p[0]);
-                tto->addPosition(0, 0, p[3]);
-                StringFormatter::send(stream, F("<I>\n"));
-            } else {
-                return false;
-            }
-        }
-        return true;
-    
-    case 5: // <I id ADD position value angle> add a position
-        {
-            Turntable *tto = Turntable::get(p[0]);
-            if (p[1] == HASH_KEYWORD_ADD) {
-                // tto must exist, no more than 48 positions, angle 0 - 3600
-                if (!tto || p[2] > 48 || p[4] < 0 || p[4] > 3600) return false;
-                tto->addPosition(p[2], p[3], p[4]);
-                StringFormatter::send(stream, F("<I>\n"));
-            } else {
-                return false;
-            }
-        }
-        return true;
-    
-    default:    // Anything else is invalid
-        return false;
-    }
-}
-#endif
-
 // CALLBACKS must be static
 bool DCCEXParser::stashCallback(Print *stream, int16_t p[MAX_COMMAND_PARAMS], RingStream * ringStream)
 {

DCCEXParser.h

@@ -24,7 +24,6 @@
 #include <Arduino.h>
 #include "FSH.h"
 #include "RingStream.h"
-#include "defines.h"
 
 typedef void (*FILTER_CALLBACK)(Print * stream, byte & opcode, byte & paramCount, int16_t p[]);
 typedef void (*AT_COMMAND_CALLBACK)(HardwareSerial * stream,const byte * command);
@@ -46,17 +45,13 @@ struct DCCEXParser
     static int16_t splitValues( int16_t result[MAX_COMMAND_PARAMS], const byte * command, bool usehex);
      
     static bool parseT(Print * stream, int16_t params, int16_t p[]);
-    static bool parseZ(Print * stream, int16_t params, int16_t p[]);
+     static bool parseZ(Print * stream, int16_t params, int16_t p[]);
-    static bool parseS(Print * stream, int16_t params, int16_t p[]);
+     static bool parseS(Print * stream,  int16_t params, int16_t p[]);
-    static bool parsef(Print * stream, int16_t params, int16_t p[]);
+     static bool parsef(Print * stream,  int16_t params, int16_t p[]);
-    static bool parseC(Print * stream, int16_t params, int16_t p[]);
+     static bool parseD(Print * stream,  int16_t params, int16_t p[]);
-    static bool parseD(Print * stream, int16_t params, int16_t p[]);
-#ifndef IO_NO_HAL
-    static bool parseI(Print * stream, int16_t params, int16_t p[]);
-#endif
 
-    static Print * getAsyncReplyStream();
+     static Print * getAsyncReplyStream();
-    static void commitAsyncReplyStream();
+     static void commitAsyncReplyStream();
 
     static bool stashBusy;
     static byte stashTarget;

DCCTimer.h

@@ -125,13 +125,8 @@ private:
   // On platforms that scan, it is called from waveform ISR
   // only on a regular basis.
   static void scan();
-  #if defined (ARDUINO_ARCH_STM32)
-  // bit array of used pins (max 32)
-  static uint32_t usedpins;
-#else
   // bit array of used pins (max 16)
   static uint16_t usedpins;
-#endif
   static uint8_t highestPin;
   // cached analog values (malloc:ed to actual number of ADC channels)
   static int *analogvals;

DCCTimerSTM32.cpp

@@ -1,6 +1,6 @@
 /*
  *  © 2023 Neil McKechnie
- *  © 2022-2023 Paul M. Antoine
+ *  © 2022-23 Paul M. Antoine
  *  © 2021 Mike S
  *  © 2021, 2023 Harald Barth
  *  © 2021 Fred Decker
@@ -50,16 +50,12 @@ HardwareSerial Serial6(PA12, PA11);  // Rx=PA12, Tx=PA11 -- CN10 pins 12 and 14
 // via the debugger on the Nucleo-64. It is therefore unavailable for other DCC-EX uses like WiFi, DFPlayer, etc.
 // On the F446RE, Serial3 and Serial5 are easy to use:
 HardwareSerial Serial3(PC11, PC10);  // Rx=PC11, Tx=PC10 -- USART3 - F446RE
-HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5 - F446RE
+HardwareSerial Serial5(PD2, PC12);  // Rx=PC7, Tx=PC6 -- UART5 - F446RE
 // On the F446RE, Serial4 and Serial6 also use pins we can't readily map while using the Arduino pins
-#elif defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F413ZH) || defined(ARDUINO_NUCLEO_F446ZE) || \
+#elif defined(ARDUINO_NUCLEO_F413ZH) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)|| defined(ARDUINO_NUCLEO_F412ZG) 
-      defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F439ZI)
 // Nucleo-144 boards don't have Serial1 defined by default
 HardwareSerial Serial6(PG9, PG14);  // Rx=PG9, Tx=PG14 -- USART6
-HardwareSerial Serial2(PD6, PD5);  // Rx=PD6, Tx=PD5 -- UART2
+HardwareSerial Serial5(PE7, PE8);  // Rx=PE7, Tx=PE8 -- USART5
-#if !defined(ARDUINO_NUCLEO_F412ZG)  // F412ZG does not have UART5
-  HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5
-#endif  
 // Serial3 is defined to use USART3 by default, but is in fact used as the diag console
 // via the debugger on the Nucleo-144. It is therefore unavailable for other DCC-EX uses like WiFi, DFPlayer, etc.
 #else
@@ -159,28 +155,13 @@ HardwareSerial Serial2(PD6, PD5);  // Rx=PD6, Tx=PD5 -- UART2
 ///////////////////////////////////////////////////////////////////////////////////////////////
 
 INTERRUPT_CALLBACK interruptHandler=0;
-
+// Let's use STM32's timer #11 until disabused of this notion
-// On STM32F4xx models that have them, Timers 6 and 7 have no PWM output capability,
+// Timer #11 is used for "servo" library, but as DCC-EX is not using
-// so are good choices for general timer duties - they are used for tone and servo
+// this libary, we should be free and clear.
-// in stm32duino so we shall usurp those as DCC-EX doesn't use tone or servo libs.
+HardwareTimer timer(TIM11);
-// NB: the F401, F410 and F411 do **not** have Timer 6 or 7, so we use Timer 11
-#ifndef DCC_EX_TIMER
-#if defined(TIM6)
-#define DCC_EX_TIMER TIM6
-#elif defined(TIM7)
-#define DCC_EX_TIMER TIM7
-#elif defined(TIM11)
-#define DCC_EX_TIMER TIM11
-#else
-#warning This STM32F4XX variant does not have Timers 6,7 or 11!!
-#endif
-#endif // ifndef DCC_EX_TIMER
-
-HardwareTimer dcctimer(DCC_EX_TIMER);
-void DCCTimer_Handler() __attribute__((interrupt));
 
 // Timer IRQ handler
-void DCCTimer_Handler() {
+void Timer11_Handler() {
   interruptHandler();
 }
 
@@ -188,24 +169,22 @@ void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
   interruptHandler=callback;
   noInterrupts();
 
-  dcctimer.pause();
+  // adc_set_sample_rate(ADC_SAMPLETIME_480CYCLES);
-  dcctimer.setPrescaleFactor(1);
+  timer.pause();
+  timer.setPrescaleFactor(1);
 //  timer.setOverflow(CLOCK_CYCLES * 2);
-  dcctimer.setOverflow(DCC_SIGNAL_TIME, MICROSEC_FORMAT);
+  timer.setOverflow(DCC_SIGNAL_TIME, MICROSEC_FORMAT);
-  // dcctimer.attachInterrupt(Timer11_Handler);
+  timer.attachInterrupt(Timer11_Handler);
-  dcctimer.attachInterrupt(DCCTimer_Handler);
+  timer.refresh();
-  dcctimer.setInterruptPriority(0, 0); // Set highest preemptive priority!
+  timer.resume();
-  dcctimer.refresh();
-  dcctimer.resume();
 
   interrupts();
 }
 
 bool DCCTimer::isPWMPin(byte pin) {
-  //TODO: STM32 whilst this call to digitalPinHasPWM will reveal which pins can do PWM,
+  //TODO: SAMD whilst this call to digitalPinHasPWM will reveal which pins can do PWM,
   //      there's no support yet for High Accuracy, so for now return false
   //  return digitalPinHasPWM(pin);
-  (void) pin;
   return false;
 }
 
@@ -220,9 +199,9 @@ void DCCTimer::clearPWM() {
 }
 
 void   DCCTimer::getSimulatedMacAddress(byte mac[6]) {
-  volatile uint32_t *serno1 = (volatile uint32_t *)UID_BASE;
+  volatile uint32_t *serno1 = (volatile uint32_t *)0x1FFF7A10;
-  volatile uint32_t *serno2 = (volatile uint32_t *)UID_BASE+4;
+  volatile uint32_t *serno2 = (volatile uint32_t *)0x1FFF7A14;
-  // volatile uint32_t *serno3 = (volatile uint32_t *)UID_BASE+8;
+  // volatile uint32_t *serno3 = (volatile uint32_t *)0x1FFF7A18;
 
   volatile uint32_t m1 = *serno1;
   volatile uint32_t m2 = *serno2;
@@ -257,91 +236,22 @@ void DCCTimer::reset() {
     while(true) {};
 }
 
-// TODO: rationalise the size of these... could really use sparse arrays etc.
+// TODO: may need to use uint32_t on STMF4xx variants with > 16 analog inputs!
-static HardwareTimer * pin_timer[100] = {0};
+#if defined(ARDUINO_NUCLEO_F446RE) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
-static uint32_t channel_frequency[100] = {0};
+#warning STM32 board selected not fully supported - only use ADC1 inputs 0-15 for current sensing!
-static uint32_t pin_channel[100] = {0};
+#endif
+// For now, define the max of 16 ports - some variants have more, but this not **yet** supported
+#define NUM_ADC_INPUTS 16
+// #define NUM_ADC_INPUTS NUM_ANALOG_INPUTS
 
-// Using the HardwareTimer library API included in stm32duino core to handle PWM duties
+uint16_t ADCee::usedpins = 0;
-// TODO: in order to use the HA code above which Neil kindly wrote, we may have to do something more
+uint8_t ADCee::highestPin = 0;
-// sophisticated about detecting any clash between the timer we'd like to use for PWM and the ones
+int * ADCee::analogvals = NULL;
-// currently used for HA so they don't interfere with one another. For now we'll just make PWM
+uint32_t * analogchans = NULL;
-// work well... then work backwards to integrate with HA mode if we can.
+bool adc1configured = false;
-void DCCTimer::DCCEXanalogWriteFrequency(uint8_t pin, uint32_t frequency)
-{
-  if (pin_timer[pin] == NULL) {
-    // Automatically retrieve TIM instance and channel associated to pin
-    // This is used to be compatible with all STM32 series automatically.
-    TIM_TypeDef *Instance = (TIM_TypeDef *)pinmap_peripheral(digitalPinToPinName(pin), PinMap_PWM);
-    if (Instance == NULL) {
-      // We shouldn't get here (famous last words) as it ought to have been caught by brakeCanPWM()!
-      DIAG(F("DCCEXanalogWriteFrequency::Pin %d has no PWM function!"), pin);
-      return;
-    }
-    pin_channel[pin] = STM_PIN_CHANNEL(pinmap_function(digitalPinToPinName(pin), PinMap_PWM));
 
-    // Instantiate HardwareTimer object. Thanks to 'new' instantiation,
+int16_t ADCee::ADCmax() {
-    // HardwareTimer is not destructed when setup function is finished.
+  return 4095;
-    pin_timer[pin] = new HardwareTimer(Instance);
-    // Configure and start PWM
-    // MyTim->setPWM(channel, pin, 5, 10, NULL, NULL); // No callback required, we can simplify the function call
-    if (pin_timer[pin] != NULL)
-    {
-      pin_timer[pin]->setPWM(pin_channel[pin], pin, frequency, 0); // set frequency in Hertz, 0% dutycycle
-      DIAG(F("DCCEXanalogWriteFrequency::Pin %d on Timer %d, frequency %d"), pin, pin_channel[pin], frequency);
-    }
-    else
-      DIAG(F("DCCEXanalogWriteFrequency::failed to allocate HardwareTimer instance!"));
-  }
-  else
-  {
-    // Frequency change request
-    if (frequency != channel_frequency[pin])
-    {
-      pinmap_pinout(digitalPinToPinName(pin), PinMap_TIM); // ensure the pin has been configured!
-      pin_timer[pin]->setOverflow(frequency, HERTZ_FORMAT); // Just change the frequency if it's already running!
-      DIAG(F("DCCEXanalogWriteFrequency::setting frequency to %d"), frequency);
-    }
-  }
-  channel_frequency[pin] = frequency;
-  return;
-}
-
-void DCCTimer::DCCEXanalogWrite(uint8_t pin, int value) {
-    // Calculate percentage duty cycle from value given
-    uint32_t duty_cycle = (value * 100 / 256) + 1;
-    if (pin_timer[pin] != NULL) {
-      // if (duty_cycle == 100)
-      // {
-      //   pin_timer[pin]->pauseChannel(pin_channel[pin]);
-      //   DIAG(F("DCCEXanalogWrite::Pausing timer channel on pin %d"), pin);
-      // }
-      // else
-      // {
-        pinmap_pinout(digitalPinToPinName(pin), PinMap_TIM); // ensure the pin has been configured!
-        // pin_timer[pin]->resumeChannel(pin_channel[pin]);
-        pin_timer[pin]->setCaptureCompare(pin_channel[pin], duty_cycle, PERCENT_COMPARE_FORMAT); // DCC_EX_PWM_FREQ Hertz, duty_cycle% dutycycle
-        DIAG(F("DCCEXanalogWrite::Pin %d, value %d, duty cycle %d"), pin, value, duty_cycle);
-      // }
-    }
-    else
-      DIAG(F("DCCEXanalogWrite::Pin %d is not configured for PWM!"), pin);
-}
-
-
-// Now we can handle more ADCs, maybe this works!
-#define NUM_ADC_INPUTS NUM_ANALOG_INPUTS
-
-uint32_t ADCee::usedpins = 0;         // Max of 32 ADC input channels!
-uint8_t ADCee::highestPin = 0;        // Highest pin to scan
-int * ADCee::analogvals = NULL;       // Array of analog values last captured
-uint32_t * analogchans = NULL;        // Array of channel numbers to be scanned
-// bool adc1configured = false;
-ADC_TypeDef * * adcchans = NULL;      // Array to capture which ADC is each input channel on
-
-int16_t ADCee::ADCmax()
-{
-    return 4095;
 }
 
 int ADCee::init(uint8_t pin) {
@@ -352,33 +262,11 @@ int ADCee::init(uint8_t pin) {
     return -1024;   // some silly value as error
 
   uint32_t stmgpio = STM_PORT(stmpin); // converts to the GPIO port (16-bits per port group on STM32)
-  uint32_t adcchan =  STM_PIN_CHANNEL(pinmap_function(stmpin, PinMap_ADC)); // find ADC input channel
+  uint32_t adcchan =  STM_PIN_CHANNEL(pinmap_function(stmpin, PinMap_ADC)); // find ADC channel (only valid for ADC1!)
-  ADC_TypeDef *adc = (ADC_TypeDef *)pinmap_find_peripheral(stmpin, PinMap_ADC); // find which ADC this pin is on ADC1/2/3 etc.
+  GPIO_TypeDef * gpioBase;
-  int adcnum = 1;
-  if (adc == ADC1)
-    DIAG(F("ADCee::init(): found pin %d on ADC1"), pin);
-// Checking for ADC2 and ADC3 being defined helps cater for more variants later
-#if defined(ADC2)
-  else if (adc == ADC2)
-  {
-    DIAG(F("ADCee::init(): found pin %d on ADC2"), pin);
-    adcnum = 2;
-  }
-#endif
-#if defined(ADC3)
-  else if (adc == ADC3)
-  {
-    DIAG(F("ADCee::init(): found pin %d on ADC3"), pin);
-    adcnum = 3;
-  }
-#endif
-  else DIAG(F("ADCee::init(): found pin %d on unknown ADC!"), pin);
 
-    // Port config - find which port we're on and power it up
+  // Port config - find which port we're on and power it up
-    GPIO_TypeDef *gpioBase;
+  switch(stmgpio) {
-
-    switch (stmgpio)
-    {
     case 0x00:
         RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN; //Power up PORTA
         gpioBase = GPIOA;
@@ -391,20 +279,6 @@ int ADCee::init(uint8_t pin) {
         RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN; //Power up PORTC
         gpioBase = GPIOC;
         break;
-    case 0x03:
-        RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN; //Power up PORTD
-        gpioBase = GPIOD;
-        break;
-    case 0x04:
-        RCC->AHB1ENR |= RCC_AHB1ENR_GPIOEEN; //Power up PORTE
-        gpioBase = GPIOE;
-        break;
-#if defined(GPIOF)
-    case 0x05:
-        RCC->AHB1ENR |= RCC_AHB1ENR_GPIOFEN; //Power up PORTF
-        gpioBase = GPIOF;
-        break;
-#endif
     default:
       return -1023; // some silly value as error
   }
@@ -420,33 +294,31 @@ int ADCee::init(uint8_t pin) {
   if (adcchan > 18)
     return -1022; // silly value as error
   if (adcchan < 10)
-    adc->SMPR2 |= (0b111 << (adcchan * 3)); // Channel sampling rate 480 cycles
+    ADC1->SMPR2 |= (0b111 << (adcchan * 3)); // Channel sampling rate 480 cycles
   else
-    adc->SMPR1 |= (0b111 << ((adcchan - 10) * 3)); // Channel sampling rate 480 cycles
+    ADC1->SMPR1 |= (0b111 << ((adcchan - 10) * 3)); // Channel sampling rate 480 cycles
 
   // Read the inital ADC value for this analog input
-  adc->SQR3 = adcchan;           // 1st conversion in regular sequence
+  ADC1->SQR3 = adcchan;           // 1st conversion in regular sequence
-  adc->CR2 |= ADC_CR2_SWSTART;   //(1 << 30);                     // Start 1st conversion SWSTART
+  ADC1->CR2 |= (1 << 30);         // Start 1st conversion SWSTART
-  while(!(adc->SR & (1 << 1)));  // Wait until conversion is complete
+  while(!(ADC1->SR & (1 << 1)));  // Wait until conversion is complete
-  value = adc->DR;               // Read value from register
+  value = ADC1->DR;               // Read value from register
 
   uint8_t id = pin - PNUM_ANALOG_BASE;
-  // if (id > 15) { // today we have not enough bits in the mask to support more
+  if (id > 15) { // today we have not enough bits in the mask to support more
-  //   return -1021;
+    return -1021;
-  // }
+  }
 
-  if (analogvals == NULL) {  // allocate analogvals, analogchans and adcchans if this is the first invocation of init
+  if (analogvals == NULL) {  // allocate analogvals and analogchans if this is the first invocation of init.
     analogvals = (int *)calloc(NUM_ADC_INPUTS+1, sizeof(int));
     analogchans = (uint32_t *)calloc(NUM_ADC_INPUTS+1, sizeof(uint32_t));
-    adcchans = (ADC_TypeDef **)calloc(NUM_ADC_INPUTS+1, sizeof(ADC_TypeDef));
   }
   analogvals[id] = value;     // Store sampled value
   analogchans[id] = adcchan;  // Keep track of which ADC channel is used for reading this pin
-  adcchans[id] = adc;         // Keep track of which ADC this channel is on
+  usedpins |= (1 << id);      // This pin is now ready
-  usedpins |= (1 << id);                // This pin is now ready
   if (id > highestPin) highestPin = id; // Store our highest pin in use
 
-  DIAG(F("ADCee::init(): value=%d, ADC%d: channel=%d, id=%d"), value, adcnum, adcchan, id);
+  DIAG(F("ADCee::init(): value=%d, channel=%d, id=%d"), value, adcchan, id);
 
   return value;
 }
@@ -473,16 +345,13 @@ void ADCee::scan() {
   static uint8_t id = 0;     // id and mask are the same thing but it is faster to
   static uint16_t mask = 1;  // increment and shift instead to calculate mask from id
   static bool waiting = false;
-  static ADC_TypeDef *adc;
 
-  adc = adcchans[id];
+  if (waiting) {
-  if (waiting)
-  {
     // look if we have a result
-    if (!(adc->SR & (1 << 1)))
+    if (!(ADC1->SR & (1 << 1)))
       return; // no result, continue to wait
     // found value
-    analogvals[id] = adc->DR;
+    analogvals[id] = ADC1->DR;
     // advance at least one track
 #ifdef DEBUG_ADC
     if (id == 1) TrackManager::track[1]->setBrake(0);
@@ -501,10 +370,9 @@ void ADCee::scan() {
     // look for a valid track to sample or until we are around
     while (true) {
       if (mask  & usedpins) {
-        // start new ADC aquire on id
+	// start new ADC aquire on id
-        adc = adcchans[id];
+        ADC1->SQR3 = analogchans[id]; //1st conversion in regular sequence
-        adc->SQR3 = analogchans[id]; // 1st conversion in regular sequence
+        ADC1->CR2 |= (1 << 30); //Start 1st conversion SWSTART
-        adc->CR2 |= (1 << 30);       // Start 1st conversion SWSTART
 #ifdef DEBUG_ADC
 	if (id == 1) TrackManager::track[1]->setBrake(1);
 #endif
@@ -525,83 +393,19 @@ void ADCee::scan() {
 void ADCee::begin() {
   noInterrupts();
   //ADC1 config sequence
-  RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; // Enable ADC1 clock
+  // TODO: currently defaults to ADC1, may need more to handle other members of STM32F4xx family
+  RCC->APB2ENR |= (1 << 8); //Enable ADC1 clock (Bit8) 
   // Set ADC prescaler - DIV8 ~ 40ms, DIV6 ~ 30ms, DIV4 ~ 20ms, DIV2 ~ 11ms
   ADC->CCR = (0 << 16); // Set prescaler 0=DIV2, 1=DIV4, 2=DIV6, 3=DIV8
   ADC1->CR1 &= ~(1 << 8); //SCAN mode disabled (Bit8)
   ADC1->CR1 &= ~(3 << 24); //12bit resolution (Bit24,25 0b00)
   ADC1->SQR1 = (1 << 20); //Set number of conversions projected (L[3:0] 0b0001) -> 1 conversion
-  // Disable the DMA controller for ADC1
-  ADC1->CR2 &= ~ADC_CR2_DMA;
   ADC1->CR2 &= ~(1 << 1); //Single conversion
   ADC1->CR2 &= ~(1 << 11); //Right alignment of data bits bit12....bit0
   ADC1->SQR1 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
   ADC1->SQR2 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
   ADC1->SQR3 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
   ADC1->CR2 |= (1 << 0); // Switch on ADC1
-  // Wait for ADC1 to become ready (calibration complete)
-  while (!(ADC1->CR2 & ADC_CR2_ADON)) {
-  }
-#if defined(ADC2)
-  // Enable the ADC2 clock
-  RCC->APB2ENR |= RCC_APB2ENR_ADC2EN;
-
-  // Initialize ADC2
-  ADC2->CR1 = 0; // Disable all channels
-  ADC2->CR2 = 0; // Clear CR2 register
-
-  ADC2->CR1 &= ~(1 << 8); //SCAN mode disabled (Bit8)
-  ADC2->CR1 &= ~(3 << 24); //12bit resolution (Bit24,25 0b00)
-  ADC2->SQR1 = (1 << 20); //Set number of conversions projected (L[3:0] 0b0001) -> 1 conversion
-  ADC2->CR2 &= ~ADC_CR2_DMA;   // Disable the DMA controller for ADC3
-  ADC2->CR2 &= ~(1 << 1); //Single conversion
-  ADC2->CR2 &= ~(1 << 11); //Right alignment of data bits bit12....bit0
-  ADC2->SQR1 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-  ADC2->SQR2 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-  ADC2->SQR3 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-
-  // Enable the ADC
-  ADC2->CR2 |= ADC_CR2_ADON;
-
-  // Wait for ADC2 to become ready (calibration complete)
-  while (!(ADC2->CR2 & ADC_CR2_ADON)) {
-  }
-
-  // Perform ADC3 calibration (optional)
-  // ADC3->CR2 |= ADC_CR2_CAL;
-  // while (ADC3->CR2 & ADC_CR2_CAL) {
-  // }
-#endif
-#if defined(ADC3)
-  // Enable the ADC3 clock
-  RCC->APB2ENR |= RCC_APB2ENR_ADC3EN;
-
-  // Initialize ADC3
-  ADC3->CR1 = 0; // Disable all channels
-  ADC3->CR2 = 0; // Clear CR2 register
-
-  ADC3->CR1 &= ~(1 << 8); //SCAN mode disabled (Bit8)
-  ADC3->CR1 &= ~(3 << 24); //12bit resolution (Bit24,25 0b00)
-  ADC3->SQR1 = (1 << 20); //Set number of conversions projected (L[3:0] 0b0001) -> 1 conversion
-  ADC3->CR2 &= ~ADC_CR2_DMA;   // Disable the DMA controller for ADC3
-  ADC3->CR2 &= ~(1 << 1); //Single conversion
-  ADC3->CR2 &= ~(1 << 11); //Right alignment of data bits bit12....bit0
-  ADC3->SQR1 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-  ADC3->SQR2 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-  ADC3->SQR3 &= ~(0x3FFFFFFF); //Clear whole 1st 30bits in register
-
-  // Enable the ADC
-  ADC3->CR2 |= ADC_CR2_ADON;
-
-  // Wait for ADC3 to become ready (calibration complete)
-  while (!(ADC3->CR2 & ADC_CR2_ADON)) {
-  }
-
-  // Perform ADC3 calibration (optional)
-  // ADC3->CR2 |= ADC_CR2_CAL;
-  // while (ADC3->CR2 & ADC_CR2_CAL) {
-  // }
-#endif
   interrupts();
 }
 #endif

DCCWaveform.cpp

@@ -106,7 +106,6 @@ void DCCWaveform::interruptHandler() {
 DCCWaveform::DCCWaveform( byte preambleBits, bool isMain) {
   isMainTrack = isMain;
   packetPending = false;
-  reminderWindowOpen = false;
   memcpy(transmitPacket, idlePacket, sizeof(idlePacket));
   state = WAVE_START;
   // The +1 below is to allow the preamble generator to create the stop bit
@@ -128,15 +127,9 @@ void DCCWaveform::interrupt2() {
   if (remainingPreambles > 0 ) {
     state=WAVE_MID_1;  // switch state to trigger LOW on next interrupt
     remainingPreambles--;
-
-    // As we get to the end of the preambles, open the reminder window.
-    // This delays any reminder insertion until the last moment so
-    // that the reminder doesn't block a more urgent packet. 
-    reminderWindowOpen=transmitRepeats==0 && remainingPreambles<4 && remainingPreambles>1;
-    if (remainingPreambles==1) promotePendingPacket();
     // Update free memory diagnostic as we don't have anything else to do this time.
     // Allow for checkAck and its called functions using 22 bytes more.
-    else DCCTimer::updateMinimumFreeMemoryISR(22); 
+    DCCTimer::updateMinimumFreeMemoryISR(22); 
     return;
   }
 
@@ -155,9 +148,30 @@ void DCCWaveform::interrupt2() {
     if (bytes_sent >= transmitLength) {
       // end of transmission buffer... repeat or switch to next message
       bytes_sent = 0;
-      // preamble for next packet will start...
       remainingPreambles = requiredPreambles;
+
+      if (transmitRepeats > 0) {
+        transmitRepeats--;
       }
+      else if (packetPending) {
+        // Copy pending packet to transmit packet
+        // a fixed length memcpy is faster than a variable length loop for these small lengths
+        // for (int b = 0; b < pendingLength; b++) transmitPacket[b] = pendingPacket[b];
+        memcpy( transmitPacket, pendingPacket, sizeof(pendingPacket));
+        
+        transmitLength = pendingLength;
+        transmitRepeats = pendingRepeats;
+        packetPending = false;
+        clearResets();
+      }
+      else {
+        // Fortunately reset and idle packets are the same length
+        memcpy( transmitPacket, isMainTrack ? idlePacket : resetPacket, sizeof(idlePacket));
+        transmitLength = sizeof(idlePacket);
+        transmitRepeats = 0;
+        if (getResets() < 250) sentResetsSincePacket++; // only place to increment (private!)
+      }
+    }
   }  
 }
 #pragma GCC pop_options
@@ -179,39 +193,8 @@ void DCCWaveform::schedulePacket(const byte buffer[], byte byteCount, byte repea
   packetPending = true;
   clearResets();
 }
-
+bool DCCWaveform::getPacketPending() {
-bool DCCWaveform::isReminderWindowOpen() {
+  return packetPending;
-  return reminderWindowOpen && ! packetPending;
-}
-
-void DCCWaveform::promotePendingPacket() {
-    // fill the transmission packet from the pending packet
-    
-    // Just keep going if repeating  
-    if (transmitRepeats > 0) {
-        transmitRepeats--;
-        return;
-      }
-
-    if (packetPending) {
-        // Copy pending packet to transmit packet
-        // a fixed length memcpy is faster than a variable length loop for these small lengths
-        // for (int b = 0; b < pendingLength; b++) transmitPacket[b] = pendingPacket[b];
-        memcpy( transmitPacket, pendingPacket, sizeof(pendingPacket));
-        
-        transmitLength = pendingLength;
-        transmitRepeats = pendingRepeats;
-        packetPending = false;
-        clearResets();
-        return;
-      }
-      
-      // nothing to do, just send idles or resets
-      // Fortunately reset and idle packets are the same length
-      memcpy( transmitPacket, isMainTrack ? idlePacket : resetPacket, sizeof(idlePacket));
-      transmitLength = sizeof(idlePacket);
-      transmitRepeats = 0;
-      if (getResets() < 250) sentResetsSincePacket++; // only place to increment (private!)
 }
 #endif
 
@@ -283,15 +266,15 @@ void DCCWaveform::schedulePacket(const byte buffer[], byte byteCount, byte repea
   }
 }
 
-bool DCCWaveform::isReminderWindowOpen() {
+bool DCCWaveform::getPacketPending() {
   if(isMainTrack) {
     if (rmtMainChannel == NULL)
-      return false;
+      return true;
-    return !rmtMainChannel->busy();
+    return rmtMainChannel->busy();
   } else {
     if (rmtProgChannel == NULL)
-      return false;
+      return true;
-    return !rmtProgChannel->busy();
+    return rmtProgChannel->busy();
   }
 }
 void IRAM_ATTR DCCWaveform::loop() {

DCCWaveform.h

@@ -76,13 +76,11 @@ class DCCWaveform {
     };
 #endif
     void schedulePacket(const byte buffer[], byte byteCount, byte repeats);
-    bool isReminderWindowOpen();
+    bool getPacketPending();
-    void promotePendingPacket();
     
   private:
 #ifndef ARDUINO_ARCH_ESP32
     volatile bool packetPending;
-    volatile bool reminderWindowOpen;
     volatile byte sentResetsSincePacket;
 #else
     volatile uint32_t resetPacketBase;

Display.h

@@ -37,9 +37,7 @@
 class Display : public DisplayInterface {
 public:
   Display(DisplayDevice *deviceDriver);
-#if !defined (MAX_CHARACTER_ROWS)
   static const int MAX_CHARACTER_ROWS = 8;
-#endif
   static const int MAX_CHARACTER_COLS = MAX_MSG_SIZE;
   static const long DISPLAY_SCROLL_TIME = 3000;  // 3 seconds
 

Display_Implementation.h

@@ -54,9 +54,7 @@
     xxx;  \
     t->refresh();}
 #else
-  #define DISPLAY_START(xxx) { \
+  #define DISPLAY_START(xxx) {}
-  xxx; \
-  }
 
 #endif
 #endif // LCD_Implementation_h

EXRAIL2.cpp

@@ -2,7 +2,7 @@
  *  © 2021 Neil McKechnie
  *  © 2021-2023 Harald Barth
  *  © 2020-2023 Chris Harlow
- *  © 2022-2023 Colin Murdoch
+ *  © 2022 Colin Murdoch
  *  All rights reserved.
  *  
  *  This file is part of CommandStation-EX
@@ -52,9 +52,23 @@
 #include "Turnouts.h"
 #include "CommandDistributor.h"
 #include "TrackManager.h"
-#include "Turntables.h"
-#include "IODevice.h"
 
+// Command parsing keywords
+const int16_t HASH_KEYWORD_EXRAIL=15435;    
+const int16_t HASH_KEYWORD_ON = 2657;
+const int16_t HASH_KEYWORD_START=23232;
+const int16_t HASH_KEYWORD_RESERVE=11392;
+const int16_t HASH_KEYWORD_FREE=-23052;
+const int16_t HASH_KEYWORD_LATCH=1618;  
+const int16_t HASH_KEYWORD_UNLATCH=1353;
+const int16_t HASH_KEYWORD_PAUSE=-4142;
+const int16_t HASH_KEYWORD_RESUME=27609;
+const int16_t HASH_KEYWORD_KILL=5218;
+const int16_t HASH_KEYWORD_ALL=3457;
+const int16_t HASH_KEYWORD_ROUTES=-3702;
+const int16_t HASH_KEYWORD_RED=26099;
+const int16_t HASH_KEYWORD_AMBER=18713;
+const int16_t HASH_KEYWORD_GREEN=-31493;
 
 // One instance of RMFT clas is used for each "thread" in the automation.
 // Each thread manages a loco on a journey through the layout, and/or may manage a scenery automation.
@@ -69,8 +83,8 @@ RMFT2 * RMFT2::pausingTask=NULL; // Task causing a PAUSE.
  // when pausingTask is set, that is the ONLY task that gets any service,
  // and all others will have their locos stopped, then resumed after the pausing task resumes.
 byte RMFT2::flags[MAX_FLAGS];
-Print * RMFT2::LCCSerial=0;
+
-LookList *  RMFT2::routeLookup=NULL;
+LookList *  RMFT2::sequenceLookup=NULL;
 LookList *  RMFT2::onThrowLookup=NULL;
 LookList *  RMFT2::onCloseLookup=NULL;
 LookList *  RMFT2::onActivateLookup=NULL;
@@ -80,14 +94,9 @@ LookList *  RMFT2::onAmberLookup=NULL;
 LookList *  RMFT2::onGreenLookup=NULL;
 LookList *  RMFT2::onChangeLookup=NULL;
 LookList *  RMFT2::onClockLookup=NULL;
-#ifndef IO_NO_HAL
+
-LookList *  RMFT2::onRotateLookup=NULL;
+#define GET_OPCODE GETHIGHFLASH(RMFT2::RouteCode,progCounter)
-#endif
+#define SKIPOP progCounter+=3
-LookList *  RMFT2::onOverloadLookup=NULL;
-byte * RMFT2::routeStateArray=nullptr; 
-const FSH  * * RMFT2::routeCaptionArray=nullptr; 
-int16_t * RMFT2::stashArray=nullptr;
-int16_t RMFT2::maxStashId=0;
 
 // getOperand instance version, uses progCounter from instance.
 uint16_t RMFT2::getOperand(byte n) {
@@ -105,7 +114,6 @@ uint16_t RMFT2::getOperand(int progCounter,byte n) {
 LookList::LookList(int16_t size) {
   m_size=size;
   m_loaded=0;
-  m_chain=nullptr;
   if (size) {
     m_lookupArray=new int16_t[size];
     m_resultArray=new int16_t[size];
@@ -123,35 +131,8 @@ int16_t LookList::find(int16_t value) {
   for (int16_t i=0;i<m_size;i++) {
     if (m_lookupArray[i]==value) return m_resultArray[i];
   }
-  return m_chain ?  m_chain->find(value)  :-1;
-}
-void LookList::chain(LookList * chain) {
-  m_chain=chain;
-}
-void LookList::handleEvent(const FSH* reason,int16_t id) {
-  // New feature... create multiple ONhandlers
-  for (int i=0;i<m_size;i++) 
-    if (m_lookupArray[i]==id)
-       RMFT2::startNonRecursiveTask(reason,id,m_resultArray[i]);
-}
-
-
-void LookList::stream(Print * _stream) {
-  for (int16_t i=0;i<m_size;i++) {
-    _stream->print(" ");
-    _stream->print(m_lookupArray[i]);
-  }
-}
-
-int16_t LookList::findPosition(int16_t value) {
-  for (int16_t i=0;i<m_size;i++) {
-    if (m_lookupArray[i]==value) return i;
-  }
   return -1;
 }
-int16_t LookList::size() {
-   return m_size;
-}
 
 LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
   int progCounter;
@@ -184,36 +165,25 @@ LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
   for (int f=0;f<MAX_FLAGS;f++) flags[f]=0;
   
   // create lookups
-  routeLookup=LookListLoader(OPCODE_ROUTE, OPCODE_AUTOMATION);
+  sequenceLookup=LookListLoader(OPCODE_ROUTE, OPCODE_AUTOMATION,OPCODE_SEQUENCE);
-  routeLookup->chain(LookListLoader(OPCODE_SEQUENCE));
-  if (compileFeatures && FEATURE_ROUTESTATE) {
-    routeStateArray=(byte *)calloc(routeLookup->size(),sizeof(byte));
-    routeCaptionArray=(const FSH * *)calloc(routeLookup->size(),sizeof(const FSH *));
-  }
   onThrowLookup=LookListLoader(OPCODE_ONTHROW);
   onCloseLookup=LookListLoader(OPCODE_ONCLOSE);
   onActivateLookup=LookListLoader(OPCODE_ONACTIVATE);
   onDeactivateLookup=LookListLoader(OPCODE_ONDEACTIVATE);
-  onChangeLookup=LookListLoader(OPCODE_ONCHANGE);
-  onClockLookup=LookListLoader(OPCODE_ONTIME);
-#ifndef IO_NO_HAL
-  onRotateLookup=LookListLoader(OPCODE_ONROTATE);
-#endif
-  onOverloadLookup=LookListLoader(OPCODE_ONOVERLOAD);
-  // onLCCLookup is not the same so not loaded here. 
-
-  // Second pass startup, define any turnouts or servos, set signals red
-  // add sequences onRoutines to the lookups
-if (compileFeatures & FEATURE_SIGNAL) {
   onRedLookup=LookListLoader(OPCODE_ONRED);
   onAmberLookup=LookListLoader(OPCODE_ONAMBER);
   onGreenLookup=LookListLoader(OPCODE_ONGREEN);
+  onChangeLookup=LookListLoader(OPCODE_ONCHANGE);
+  onClockLookup=LookListLoader(OPCODE_ONTIME);
+
+
+  // Second pass startup, define any turnouts or servos, set signals red
+  // add sequences onRoutines to the lookups
   for (int sigslot=0;;sigslot++) {
     VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
     if (sigid==0) break;  // end of signal list
     doSignal(sigid & SIGNAL_ID_MASK, SIGNAL_RED);
   }
-  }
 
   int progCounter;
   for (progCounter=0;; SKIPOP){
@@ -225,7 +195,6 @@ if (compileFeatures & FEATURE_SIGNAL) {
     case OPCODE_AT:
     case OPCODE_ATTIMEOUT2:
     case OPCODE_AFTER:
-    case OPCODE_AFTEROVERLOAD:
     case OPCODE_IF:
     case OPCODE_IFNOT: {
       int16_t pin = (int16_t)operand;
@@ -234,12 +203,6 @@ if (compileFeatures & FEATURE_SIGNAL) {
       IODevice::configureInput((VPIN)pin,true);
       break;
     }
-    case OPCODE_STASH:
-    case OPCODE_CLEAR_STASH:
-    case OPCODE_PICKUP_STASH: {
-      maxStashId=max(maxStashId,((int16_t)operand));
-      break;
-    }
 
     case OPCODE_ATGTE:
     case OPCODE_ATLT:
@@ -276,37 +239,6 @@ if (compileFeatures & FEATURE_SIGNAL) {
       break;
     }
         
-#ifndef IO_NO_HAL
-    case OPCODE_DCCTURNTABLE: {
-      VPIN id=operand;
-      int home=getOperand(progCounter,1);
-      setTurntableHiddenState(DCCTurntable::create(id));
-      Turntable *tto=Turntable::get(id);
-      tto->addPosition(0,0,home);
-      break;
-    }
-
-    case OPCODE_EXTTTURNTABLE: {
-      VPIN id=operand;
-      VPIN pin=getOperand(progCounter,1);
-      int home=getOperand(progCounter,3);
-      setTurntableHiddenState(EXTTTurntable::create(id,pin));
-      Turntable *tto=Turntable::get(id);
-      tto->addPosition(0,0,home);
-      break;
-    }
-
-    case OPCODE_TTADDPOSITION: {
-      VPIN id=operand;
-      int position=getOperand(progCounter,1);
-      int value=getOperand(progCounter,2);
-      int angle=getOperand(progCounter,3);
-      Turntable *tto=Turntable::get(id);
-      tto->addPosition(position,value,angle);
-      break;
-    }
-#endif
-
     case OPCODE_AUTOSTART:
       // automatically create a task from here at startup.
       // Removed if (progCounter>0) check 4.2.31 because 
@@ -320,13 +252,7 @@ if (compileFeatures & FEATURE_SIGNAL) {
   }
   SKIPOP; // include ENDROUTES opcode
 
-  if (compileFeatures & FEATURE_STASH) {
+  DIAG(F("EXRAIL %db, fl=%d"),progCounter,MAX_FLAGS);
-    // create the stash array from the highest id found
-    if (maxStashId>0) stashArray=(int16_t*)calloc(maxStashId+1, sizeof(int16_t));
-     //TODO check EEPROM and fetch stashArray
-  }
-  
-  DIAG(F("EXRAIL %db, fl=%d, stash=%d"),progCounter,MAX_FLAGS, maxStashId);
 
   // Removed for 4.2.31  new RMFT2(0); // add the startup route
   diag=saved_diag;
@@ -337,22 +263,185 @@ void RMFT2::setTurnoutHiddenState(Turnout * t) {
   t->setHidden(GETFLASH(getTurnoutDescription(t->getId()))==0x01);     
 }
 
-#ifndef IO_NO_HAL
-void RMFT2::setTurntableHiddenState(Turntable * tto) {
-  tto->setHidden(GETFLASH(getTurntableDescription(tto->getId()))==0x01);
-}
-#endif
-
 char RMFT2::getRouteType(int16_t id) {
-  int16_t progCounter=routeLookup->find(id);
+  for (int16_t i=0;;i+=2) {
-  if (progCounter>=0) {
+    int16_t rid= GETHIGHFLASHW(routeIdList,i);
-    byte type=GET_OPCODE; 
+    if (rid==INT16_MAX) break;
-    if (type==OPCODE_ROUTE) return 'R';
+    if (rid==id) return 'R';
-    if (type==OPCODE_AUTOMATION) return 'A';
+  }
+  for (int16_t i=0;;i+=2) {
+    int16_t rid= GETHIGHFLASHW(automationIdList,i);
+    if (rid==INT16_MAX) break;
+    if (rid==id) return 'A';
   }
   return 'X';
 }
 
+// This filter intercepts <> commands to do the following:
+// - Implement RMFT specific commands/diagnostics
+// - Reject/modify JMRI commands that would interfere with RMFT processing
+void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]) {
+  (void)stream; // avoid compiler warning if we don't access this parameter
+  bool reject=false;
+  switch(opcode) {
+    
+  case 'D':
+    if (p[0]==HASH_KEYWORD_EXRAIL) { // <D EXRAIL ON/OFF>
+      diag = paramCount==2 && (p[1]==HASH_KEYWORD_ON || p[1]==1);
+      opcode=0;
+    }
+        break;
+	
+  case '/':  // New EXRAIL command
+    reject=!parseSlash(stream,paramCount,p);
+    opcode=0;
+    break;
+    
+  default:  // other commands pass through
+    break;
+  }
+  if (reject) {
+    opcode=0;
+    StringFormatter::send(stream,F("<X>"));
+  }
+}
+
+bool RMFT2::parseSlash(Print * stream, byte & paramCount, int16_t p[]) {
+
+  if (paramCount==0) { // STATUS
+    StringFormatter::send(stream, F("<* EXRAIL STATUS"));
+    RMFT2 * task=loopTask;
+    while(task) {
+      StringFormatter::send(stream,F("\nID=%d,PC=%d,LOCO=%d%c,SPEED=%d%c"),
+			    (int)(task->taskId),task->progCounter,task->loco,
+			    task->invert?'I':' ',
+			    task->speedo,
+			    task->forward?'F':'R'
+			    );
+      task=task->next;
+      if (task==loopTask) break;
+    }
+    // Now stream the flags
+    for (int id=0;id<MAX_FLAGS; id++) {
+      byte flag=flags[id];
+      if (flag & ~TASK_FLAG & ~SIGNAL_MASK) { // not interested in TASK_FLAG only. Already shown above
+	      StringFormatter::send(stream,F("\nflags[%d] "),id);
+	      if (flag & SECTION_FLAG) StringFormatter::send(stream,F(" RESERVED"));
+	      if (flag & LATCH_FLAG) StringFormatter::send(stream,F(" LATCHED"));
+      }
+    }
+    // do the signals
+    // flags[n] represents the state of the nth signal in the table 
+    for (int sigslot=0;;sigslot++) {
+      VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
+      if (sigid==0) break; // end of signal list 
+      byte flag=flags[sigslot] & SIGNAL_MASK; // obtain signal flags for this id
+      StringFormatter::send(stream,F("\n%S[%d]"), 
+        (flag == SIGNAL_RED)? F("RED") : (flag==SIGNAL_GREEN) ? F("GREEN") : F("AMBER"),
+        sigid & SIGNAL_ID_MASK); 
+    } 
+    
+    StringFormatter::send(stream,F(" *>\n"));
+    return true;
+  }
+  switch (p[0]) {
+  case HASH_KEYWORD_PAUSE: // </ PAUSE>
+    if (paramCount!=1) return false;
+    DCC::setThrottle(0,1,true);  // pause all locos on the track
+    pausingTask=(RMFT2 *)1; // Impossible task address
+    return true;
+    
+  case HASH_KEYWORD_RESUME: // </ RESUME>
+    if (paramCount!=1) return false;
+    pausingTask=NULL;
+    {
+      RMFT2 * task=loopTask;
+      while(task) {
+	if (task->loco) task->driveLoco(task->speedo);
+	task=task->next;
+	if (task==loopTask) break;
+      }
+    }
+    return true;
+    
+    
+  case HASH_KEYWORD_START: // </ START [cab] route >
+    if (paramCount<2 || paramCount>3) return false;
+    {
+      int route=(paramCount==2) ? p[1] : p[2];
+      uint16_t cab=(paramCount==2)? 0 : p[1];
+      int pc=sequenceLookup->find(route);
+      if (pc<0) return false;
+      RMFT2* task=new RMFT2(pc);
+      task->loco=cab;
+    }
+    return true;
+    
+  default:
+    break;
+  }
+
+  // check KILL ALL here, otherwise the next validation confuses ALL with a flag  
+  if (p[0]==HASH_KEYWORD_KILL && p[1]==HASH_KEYWORD_ALL) {
+    while (loopTask) loopTask->kill(F("KILL ALL")); // destructor changes loopTask
+    return true;   
+  }
+
+  // all other / commands take 1 parameter
+  if (paramCount!=2 ) return false;
+  
+  switch (p[0]) {
+  case HASH_KEYWORD_KILL: // Kill taskid|ALL
+    {
+    if ( p[1]<0  || p[1]>=MAX_FLAGS) return false;
+    RMFT2 * task=loopTask;
+      while(task) {
+	      if (task->taskId==p[1]) {
+	        task->kill(F("KILL"));
+	        return  true;
+	      }
+	      task=task->next;
+	      if (task==loopTask) break;
+      }
+    }
+    return false;
+    
+  case HASH_KEYWORD_RESERVE:  // force reserve a section
+    return setFlag(p[1],SECTION_FLAG);
+    
+  case HASH_KEYWORD_FREE:  // force free a section
+    return setFlag(p[1],0,SECTION_FLAG);
+    
+  case HASH_KEYWORD_LATCH:
+    return setFlag(p[1], LATCH_FLAG);
+    
+  case HASH_KEYWORD_UNLATCH:
+    return setFlag(p[1], 0, LATCH_FLAG);
+ 
+  case HASH_KEYWORD_RED:
+    doSignal(p[1],SIGNAL_RED);
+    return true;
+ 
+  case HASH_KEYWORD_AMBER:
+    doSignal(p[1],SIGNAL_AMBER);
+    return true;
+ 
+  case HASH_KEYWORD_GREEN:
+    doSignal(p[1],SIGNAL_GREEN);
+    return true;
+    
+  default:
+    return false;
+  }
+}
+
+
+// This emits Routes and Automations to Withrottle
+// Automations are given a state to set the button to "handoff" which implies
+// handing over the loco to the automation.
+// Routes are given "Set" buttons and do not cause the loco to be handed over.
+
+
 
 RMFT2::RMFT2(int progCtr) {
   progCounter=progCtr;
@@ -401,7 +490,7 @@ RMFT2::~RMFT2() {
 }
 
 void RMFT2::createNewTask(int route, uint16_t cab) {
-      int pc=routeLookup->find(route);
+      int pc=sequenceLookup->find(route);
       if (pc<0) return;
       RMFT2* task=new RMFT2(pc);
       task->loco=cab;
@@ -510,14 +599,6 @@ void RMFT2::loop2() {
     Turnout::setClosed(operand, true);
     break;
 
-#ifndef IO_NO_HAL
-  case OPCODE_ROTATE:
-    uint8_t activity;
-    activity=getOperand(2);
-    Turntable::setPosition(operand,getOperand(1),activity);
-    break;
-#endif
-
   case OPCODE_REV:
     forward = false;
     driveLoco(operand);
@@ -604,16 +685,6 @@ void RMFT2::loop2() {
     if (millis()-waitAfter < 500 ) return;
     break;
     
-  case OPCODE_AFTEROVERLOAD: // waits for the power to be turned back on - either by power routine or button
-    if (!TrackManager::isPowerOn(operand)) {
-      // reset timer to half a second and keep waiting
-      waitAfter=millis();
-      delayMe(50);
-      return;
-    }
-    if (millis()-waitAfter < 500 ) return;
-    break;
-
   case OPCODE_LATCH:
     setFlag(operand,LATCH_FLAG);
     break;
@@ -645,26 +716,12 @@ void RMFT2::loop2() {
     CommandDistributor::broadcastPower();
     break;
 
-  case OPCODE_SET_POWER:
-      // operand is TRACK_POWER , trackid
-        //byte thistrack=getOperand(1);
-        switch (operand) {
-          case TRACK_POWER_0:
-            TrackManager::setTrackPower(POWERMODE::OFF, getOperand(1));
-          break;
-          case TRACK_POWER_1:
-            TrackManager::setTrackPower(POWERMODE::ON, getOperand(1));
-          break;
-        }
-
-    break;
-
   case OPCODE_SET_TRACK:
       // operand is trackmode<<8 | track id
       // If DC/DCX use  my loco for DC address 
       {
         TRACK_MODE mode = (TRACK_MODE)(operand>>8);
-        int16_t cab=(mode & TRACK_MODE_DC) ? loco : 0;
+        int16_t cab=(mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) ? loco : 0;
         TrackManager::setTrackMode(operand & 0x0F, mode, cab);
       }
       break; 
@@ -732,12 +789,6 @@ void RMFT2::loop2() {
     skipIf=Turnout::isThrown(operand);
     break;
     
-#ifndef IO_NO_HAL
-  case OPCODE_IFTTPOSITION: // do block if turntable at this position
-    skipIf=Turntable::getPosition(operand)!=(int)getOperand(1);
-    break;
-#endif
-
   case OPCODE_ENDIF:
     break;
     
@@ -802,7 +853,7 @@ void RMFT2::loop2() {
   }
     
   case OPCODE_FOLLOW:
-    progCounter=routeLookup->find(operand);
+    progCounter=sequenceLookup->find(operand);
     if (progCounter<0) kill(F("FOLLOW unknown"), operand);
     return;
     
@@ -812,7 +863,7 @@ void RMFT2::loop2() {
       return;
     }
     callStack[stackDepth++]=progCounter+3;
-    progCounter=routeLookup->find(operand);
+    progCounter=sequenceLookup->find(operand);
     if (progCounter<0) kill(F("CALL unknown"),operand);
     return;
     
@@ -875,7 +926,7 @@ void RMFT2::loop2() {
     
   case OPCODE_START:
     {
-      int newPc=routeLookup->find(operand);
+      int newPc=sequenceLookup->find(operand);
       if (newPc<0) break;
       new RMFT2(newPc);
     }
@@ -883,7 +934,7 @@ void RMFT2::loop2() {
     
   case OPCODE_SENDLOCO:  // cab, route
     {
-      int newPc=routeLookup->find(getOperand(1));
+      int newPc=sequenceLookup->find(getOperand(1));
       if (newPc<0) break;
       RMFT2* newtask=new RMFT2(newPc); // create new task
       newtask->loco=operand;
@@ -899,20 +950,6 @@ void RMFT2::loop2() {
     }
     break;
     
-  case OPCODE_LCC:  // short form LCC
-      if ((compileFeatures & FEATURE_LCC) && LCCSerial) 
-          StringFormatter::send(LCCSerial,F("<L x%h>"),(uint16_t)operand);
-       break; 
-
-  case OPCODE_LCCX: // long form LCC
-       if ((compileFeatures & FEATURE_LCC) && LCCSerial)
-            StringFormatter::send(LCCSerial,F("<L x%h%h%h%h>\n"),
-                 getOperand(progCounter,1),
-                 getOperand(progCounter,2),
-                 getOperand(progCounter,3),
-                 getOperand(progCounter,0)
-                 );    
-        break;  
     
   case OPCODE_SERVO: // OPCODE_SERVO,V(vpin),OPCODE_PAD,V(position),OPCODE_PAD,V(profile),OPCODE_PAD,V(duration)
     IODevice::writeAnalogue(operand,getOperand(1),getOperand(2),getOperand(3));
@@ -925,58 +962,9 @@ void RMFT2::loop2() {
     }
     break;
     
-#ifndef IO_NO_HAL
-  case OPCODE_WAITFORTT:  // OPCODE_WAITFOR,V(turntable_id)
-    if (Turntable::ttMoving(operand)) {
-      delayMe(100);
-      return;
-    }
-    break;
-#endif
-
   case OPCODE_PRINT:
     printMessage(operand);
     break;
-  case OPCODE_ROUTE_HIDDEN:
-    manageRouteState(operand,2);
-    break;   
-  case OPCODE_ROUTE_INACTIVE:
-    manageRouteState(operand,0);
-    break;   
-  case OPCODE_ROUTE_ACTIVE:
-    manageRouteState(operand,1);
-    break;   
-  case OPCODE_ROUTE_DISABLED:
-    manageRouteState(operand,4);
-    break;   
-
-  case OPCODE_STASH:
-    if (compileFeatures & FEATURE_STASH) 
-      stashArray[operand] = invert? -loco : loco;
-    break; 
-
-  case OPCODE_CLEAR_STASH:
-    if (compileFeatures & FEATURE_STASH) 
-      stashArray[operand] = 0;
-    break; 
-       
-  case OPCODE_CLEAR_ALL_STASH:
-    if (compileFeatures & FEATURE_STASH) 
-      for (int i=0;i<=maxStashId;i++) stashArray[operand]=0;
-    break;
-
-  case OPCODE_PICKUP_STASH:
-    if (compileFeatures & FEATURE_STASH) {
-      int16_t x=stashArray[operand];
-      if (x>=0) {
-        loco=x;
-        invert=false;
-        break;
-      }
-      loco=-x;
-      invert=true;
-    }
-    break;
     
   case OPCODE_ROUTE:
   case OPCODE_AUTOMATION:
@@ -990,7 +978,6 @@ void RMFT2::loop2() {
   case OPCODE_SERVOTURNOUT: // Turnout definition ignored at runtime
   case OPCODE_PINTURNOUT: // Turnout definition ignored at runtime
   case OPCODE_ONCLOSE: // Turnout event catchers ignored here
-  case OPCODE_ONLCC:   // LCC event catchers ignored here 
   case OPCODE_ONTHROW:
   case OPCODE_ONACTIVATE: // Activate event catchers ignored here
   case OPCODE_ONDEACTIVATE:
@@ -999,13 +986,6 @@ void RMFT2::loop2() {
   case OPCODE_ONGREEN:
   case OPCODE_ONCHANGE:
   case OPCODE_ONTIME:
-#ifndef IO_NO_HAL
-  case OPCODE_DCCTURNTABLE: // Turntable definition ignored at runtime
-  case OPCODE_EXTTTURNTABLE:  // Turntable definition ignored at runtime
-  case OPCODE_TTADDPOSITION:  // Turntable position definition ignored at runtime
-  case OPCODE_ONROTATE:
-#endif
-  case OPCODE_ONOVERLOAD:
   
     break;
     
@@ -1060,14 +1040,13 @@ int16_t RMFT2::getSignalSlot(int16_t id) {
 }
 
 /* static */ void RMFT2::doSignal(int16_t id,char rag) {
-  if (!(compileFeatures & FEATURE_SIGNAL)) return; // dont compile code below
   if (diag) DIAG(F(" doSignal %d %x"),id,rag);
   
   // Schedule any event handler for this signal change.
   // Thjis will work even without a signal definition. 
-  if (rag==SIGNAL_RED) onRedLookup->handleEvent(F("RED"),id);
+  if (rag==SIGNAL_RED) handleEvent(F("RED"),onRedLookup,id);
-  else if (rag==SIGNAL_GREEN) onGreenLookup->handleEvent(F("GREEN"),id);
+  else if (rag==SIGNAL_GREEN) handleEvent(F("GREEN"), onGreenLookup,id);
-  else onAmberLookup->handleEvent(F("AMBER"),id);
+  else handleEvent(F("AMBER"), onAmberLookup,id);
   
   int16_t sigslot=getSignalSlot(id);
   if (sigslot<0) return; 
@@ -1128,7 +1107,6 @@ int16_t RMFT2::getSignalSlot(int16_t id) {
 }
 
 /* static */ bool RMFT2::isSignal(int16_t id,char rag) {
-  if (!(compileFeatures & FEATURE_SIGNAL)) return false; 
   int16_t sigslot=getSignalSlot(id);
   if (sigslot<0) return false; 
   return (flags[sigslot] & SIGNAL_MASK) == rag;
@@ -1136,49 +1114,36 @@ int16_t RMFT2::getSignalSlot(int16_t id) {
 
 void RMFT2::turnoutEvent(int16_t turnoutId, bool closed) {
   // Hunt for an ONTHROW/ONCLOSE for this turnout
-  if (closed)  onCloseLookup->handleEvent(F("CLOSE"),turnoutId);
+  if (closed)  handleEvent(F("CLOSE"),onCloseLookup,turnoutId);
-  else onThrowLookup->handleEvent(F("THROW"),turnoutId);
+  else handleEvent(F("THROW"),onThrowLookup,turnoutId);
 }
 
 
 void RMFT2::activateEvent(int16_t addr, bool activate) {
   // Hunt for an ONACTIVATE/ONDEACTIVATE for this accessory
-  if (activate)  onActivateLookup->handleEvent(F("ACTIVATE"),addr);
+  if (activate)  handleEvent(F("ACTIVATE"),onActivateLookup,addr);
-  else onDeactivateLookup->handleEvent(F("DEACTIVATE"),addr);
+  else handleEvent(F("DEACTIVATE"),onDeactivateLookup,addr);
 }
 
 void RMFT2::changeEvent(int16_t vpin, bool change) {
   // Hunt for an ONCHANGE for this sensor
-  if (change)  onChangeLookup->handleEvent(F("CHANGE"),vpin);
+  if (change)  handleEvent(F("CHANGE"),onChangeLookup,vpin);
 }
 
-#ifndef IO_NO_HAL
-void RMFT2::rotateEvent(int16_t turntableId, bool change) {
-  // Hunt or an ONROTATE for this turntable
-  if (change) onRotateLookup->handleEvent(F("ROTATE"),turntableId);
-}
-#endif
-
 void RMFT2::clockEvent(int16_t clocktime, bool change) {
   // Hunt for an ONTIME for this time
   if (Diag::CMD)
    DIAG(F("Looking for clock event at : %d"), clocktime);
   if (change) {
-    onClockLookup->handleEvent(F("CLOCK"),clocktime);
+    handleEvent(F("CLOCK"),onClockLookup,clocktime);
-    onClockLookup->handleEvent(F("CLOCK"),25*60+clocktime%60);
+    handleEvent(F("CLOCK"),onClockLookup,25*60+clocktime%60);
   }
 } 
 
-void RMFT2::powerEvent(int16_t track, bool overload) {
+void RMFT2::handleEvent(const FSH* reason,LookList* handlers, int16_t id) {
-  // Hunt for an ONOVERLOAD for this item
+  int pc= handlers->find(id);
-  if (Diag::CMD)
+  if (pc<0) return;
-   DIAG(F("Looking for Power event on track : %c"), track);
-  if (overload) {
-    onOverloadLookup->handleEvent(F("POWER"),track);
-  }
-}
   
-void RMFT2::startNonRecursiveTask(const FSH* reason, int16_t id,int pc) {  
   // Check we dont already have a task running this handler
   RMFT2 * task=loopTask;
   while(task) {
@@ -1294,29 +1259,3 @@ void RMFT2::thrungeString(uint32_t strfar, thrunger mode, byte id) {
       break;       
     }
 }
-
-void RMFT2::manageRouteState(uint16_t id, byte state) {
-  if (compileFeatures && FEATURE_ROUTESTATE) {
-    // Route state must be maintained for when new throttles connect.
-    // locate route id in the Routes lookup
-    int16_t position=routeLookup->findPosition(id);
-    if (position<0) return; 
-    // set state beside it 
-    if (routeStateArray[position]==state) return; 
-    routeStateArray[position]=state;
-    CommandDistributor::broadcastRouteState(id,state);
-  }
-}
-void RMFT2::manageRouteCaption(uint16_t id,const FSH* caption) {
-  if (compileFeatures && FEATURE_ROUTESTATE) {
-    // Route state must be maintained for when new throttles connect.
-    // locate route id in the Routes lookup
-    int16_t position=routeLookup->findPosition(id);
-    if (position<0) return; 
-    // set state beside it 
-    if (routeCaptionArray[position]==caption) return; 
-    routeCaptionArray[position]=caption;
-    CommandDistributor::broadcastRouteCaption(id,caption);
-  }
-}
-  

EXRAIL2.h

@@ -1,7 +1,7 @@
 /*
  *  © 2021 Neil McKechnie
  *  © 2020-2022 Chris Harlow
- *  © 2022-2023 Colin Murdoch
+ *  © 2022 Colin Murdoch
  *  © 2023 Harald Barth
  *  All rights reserved.
  *  
@@ -25,7 +25,6 @@
 #include "FSH.h"
 #include "IODevice.h"
 #include "Turnouts.h"
-#include "Turntables.h"
    
 // The following are the operation codes (or instructions) for a kind of virtual machine.
 // Each instruction is normally 3 bytes long with an operation code followed by a parameter.
@@ -36,8 +35,7 @@
 enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,
              OPCODE_FWD,OPCODE_REV,OPCODE_SPEED,OPCODE_INVERT_DIRECTION,
              OPCODE_RESERVE,OPCODE_FREE,
-             OPCODE_AT,OPCODE_AFTER,
+             OPCODE_AT,OPCODE_AFTER,OPCODE_AUTOSTART,
-             OPCODE_AFTEROVERLOAD,OPCODE_AUTOSTART,
              OPCODE_ATGTE,OPCODE_ATLT,
              OPCODE_ATTIMEOUT1,OPCODE_ATTIMEOUT2,
              OPCODE_LATCH,OPCODE_UNLATCH,OPCODE_SET,OPCODE_RESET,
@@ -59,18 +57,11 @@ enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,
              OPCODE_ROSTER,OPCODE_KILLALL,
              OPCODE_ROUTE,OPCODE_AUTOMATION,OPCODE_SEQUENCE,
              OPCODE_ENDTASK,OPCODE_ENDEXRAIL,
-             OPCODE_SET_TRACK,OPCODE_SET_POWER,
+             OPCODE_SET_TRACK,
              OPCODE_ONRED,OPCODE_ONAMBER,OPCODE_ONGREEN,
              OPCODE_ONCHANGE,
              OPCODE_ONCLOCKTIME,
              OPCODE_ONTIME,
-             OPCODE_TTADDPOSITION,OPCODE_DCCTURNTABLE,OPCODE_EXTTTURNTABLE,
-             OPCODE_ONROTATE,OPCODE_ROTATE,OPCODE_WAITFORTT,
-             OPCODE_LCC,OPCODE_LCCX,OPCODE_ONLCC,
-             OPCODE_ONOVERLOAD,
-             OPCODE_ROUTE_ACTIVE,OPCODE_ROUTE_INACTIVE,OPCODE_ROUTE_HIDDEN,
-             OPCODE_ROUTE_DISABLED,
-             OPCODE_STASH,OPCODE_CLEAR_STASH,OPCODE_CLEAR_ALL_STASH,OPCODE_PICKUP_STASH,
 
              // OPcodes below this point are skip-nesting IF operations
              // placed here so that they may be skipped as a group
@@ -83,8 +74,7 @@ enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,
              OPCODE_IFRANDOM,OPCODE_IFRESERVE,
              OPCODE_IFCLOSED,OPCODE_IFTHROWN,
              OPCODE_IFRE,
-             OPCODE_IFLOCO,
+             OPCODE_IFLOCO
-             OPCODE_IFTTPOSITION
              };
 
 // Ensure thrunge_lcd is put last as there may be more than one display, 
@@ -98,12 +88,6 @@ enum thrunger: byte {
   thrunge_lcd,  // Must be last!!
   };
 
-  // Flag bits for compile time features.
-  static const byte FEATURE_SIGNAL= 0x80;
-  static const byte FEATURE_LCC   = 0x40;
-  static const byte FEATURE_ROSTER= 0x20;
-  static const byte FEATURE_ROUTESTATE= 0x10;
-  static const byte FEATURE_STASH = 0x08;
 
  
   // Flag bits for status of hardware and TPL
@@ -124,20 +108,13 @@ enum thrunger: byte {
 class LookList {
   public: 
     LookList(int16_t size);
-    void chain(LookList* chainTo);
     void add(int16_t lookup, int16_t result);
-    int16_t find(int16_t value); // finds result value
+    int16_t find(int16_t value);
-    int16_t findPosition(int16_t value); // finds index 
-    int16_t size();
-    void stream(Print * _stream); 
-    void handleEvent(const FSH* reason,int16_t id);
-
   private:
      int16_t m_size;
      int16_t m_loaded;
      int16_t * m_lookupArray;
      int16_t * m_resultArray;     
-     LookList* m_chain;     
 };
 
  class RMFT2 {
@@ -153,8 +130,6 @@ class LookList {
     static void activateEvent(int16_t addr, bool active);
     static void changeEvent(int16_t id, bool change);
     static void clockEvent(int16_t clocktime, bool change);
-    static void rotateEvent(int16_t id, bool change);
-    static void powerEvent(int16_t track, bool overload);
     static const int16_t SERVO_SIGNAL_FLAG=0x4000;
     static const int16_t ACTIVE_HIGH_SIGNAL_FLAG=0x2000;
     static const int16_t DCC_SIGNAL_FLAG=0x1000;
@@ -169,9 +144,6 @@ class LookList {
   static const FSH *  getTurnoutDescription(int16_t id);
   static const FSH *  getRosterName(int16_t id);
   static const FSH *  getRosterFunctions(int16_t id);
-  static const FSH *  getTurntableDescription(int16_t id);
-  static const FSH *  getTurntablePositionDescription(int16_t turntableId, uint8_t positionId);
-  static void startNonRecursiveTask(const FSH* reason, int16_t id,int pc);
     
 private: 
     static void ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]);
@@ -184,11 +156,9 @@ private:
     static bool isSignal(int16_t id,char rag); 
     static int16_t getSignalSlot(int16_t id);
     static void setTurnoutHiddenState(Turnout * t);
-    #ifndef IO_NO_HAL
-    static void setTurntableHiddenState(Turntable * tto);
-    #endif
     static LookList* LookListLoader(OPCODE op1,
                       OPCODE op2=OPCODE_ENDEXRAIL,OPCODE op3=OPCODE_ENDEXRAIL);
+    static void handleEvent(const FSH* reason,LookList* handlers, int16_t id);
     static uint16_t getOperand(int progCounter,byte n);
     static RMFT2 * loopTask;
     static RMFT2 * pausingTask;
@@ -205,11 +175,10 @@ private:
     uint16_t getOperand(byte n); 
     
    static bool diag;
-   static const  HIGHFLASH3  byte RouteCode[];
+   static const  HIGHFLASH  byte RouteCode[];
    static const  HIGHFLASH  int16_t SignalDefinitions[];
    static byte flags[MAX_FLAGS];
-   static Print * LCCSerial;
+   static LookList * sequenceLookup;
-   static LookList * routeLookup;
    static LookList * onThrowLookup;
    static LookList * onCloseLookup;
    static LookList * onActivateLookup;
@@ -219,20 +188,6 @@ private:
    static LookList * onGreenLookup;
    static LookList * onChangeLookup;
    static LookList * onClockLookup;
-#ifndef IO_NO_HAL
-   static LookList * onRotateLookup;
-#endif
-   static LookList * onOverloadLookup;
-   
-   static const int countLCCLookup;
-   static int onLCCLookup[];
-   static const byte compileFeatures;
-   static void manageRouteState(uint16_t id, byte state);
-   static void manageRouteCaption(uint16_t id, const FSH* caption);
-   static byte * routeStateArray;
-   static const FSH ** routeCaptionArray;
-   static int16_t * stashArray;
-   static int16_t maxStashId;
     
   // Local variables - exist for each instance/task 
     RMFT2 *next;   // loop chain 
@@ -254,8 +209,4 @@ private:
     byte stackDepth;
     int callStack[MAX_STACK_DEPTH];
 };
-
-#define GET_OPCODE GETHIGHFLASH(RMFT2::RouteCode,progCounter)
-#define SKIPOP progCounter+=3
-
 #endif

EXRAIL2MacroReset.h

@@ -1,6 +1,6 @@
 /*
  *  © 2020-2022 Chris Harlow. All rights reserved.
- *  © 2022-2023 Colin Murdoch
+ *  © 2022 Colin Murdoch
  *  © 2023 Harald Barth
  *  
  *  This file is part of CommandStation-EX
@@ -27,7 +27,6 @@
 #undef ACTIVATE
 #undef ACTIVATEL
 #undef AFTER
-#undef AFTEROVERLOAD
 #undef ALIAS
 #undef AMBER
 #undef ANOUT
@@ -39,11 +38,8 @@
 #undef AUTOSTART
 #undef BROADCAST
 #undef CALL 
-#undef CLEAR_STASH
-#undef CLEAR_ALL_STASH
 #undef CLOSE 
 #undef DCC_SIGNAL
-#undef DCC_TURNTABLE
 #undef DEACTIVATE
 #undef DEACTIVATEL
 #undef DELAY
@@ -57,7 +53,6 @@
 #undef ENDTASK
 #undef ESTOP 
 #undef EXRAIL  
-#undef EXTT_TURNTABLE
 #undef FADE
 #undef FOFF
 #undef FOLLOW 
@@ -80,7 +75,6 @@
 #undef IFRESERVE
 #undef IFTHROWN
 #undef IFTIMEOUT
-#undef IFTTPOSITION
 #undef IFRE
 #undef INVERT_DIRECTION 
 #undef JOIN 
@@ -88,8 +82,6 @@
 #undef LATCH 
 #undef LCD 
 #undef SCREEN
-#undef LCC 
-#undef LCCX 
 #undef LCN 
 #undef MOVETT
 #undef ONACTIVATE
@@ -98,19 +90,15 @@
 #undef ONDEACTIVATE
 #undef ONDEACTIVATEL 
 #undef ONCLOSE
-#undef ONLCC
 #undef ONTIME
 #undef ONCLOCKTIME
 #undef ONCLOCKMINS
-#undef ONOVERLOAD
 #undef ONGREEN
 #undef ONRED
-#undef ONROTATE
 #undef ONTHROW 
 #undef ONCHANGE
 #undef PARSE
 #undef PAUSE
-#undef PICKUP_STASH
 #undef PIN_TURNOUT 
 #undef PRINT
 #ifndef DISABLE_PROG
@@ -126,14 +114,7 @@
 #undef RETURN 
 #undef REV
 #undef ROSTER 
-#undef ROTATE
-#undef ROTATE_DCC
 #undef ROUTE
-#undef ROUTE_ACTIVE
-#undef ROUTE_INACTIVE
-#undef ROUTE_HIDDEN
-#undef ROUTE_DISABLED
-#undef ROUTE_CAPTION
 #undef SENDLOCO 
 #undef SEQUENCE 
 #undef SERIAL 
@@ -149,17 +130,13 @@
 #undef SERVO_SIGNAL
 #undef SET
 #undef SET_TRACK
-#undef SET_POWER
 #undef SETLOCO 
 #undef SIGNAL 
 #undef SIGNALH 
 #undef SPEED 
 #undef START 
-#undef STASH
-#undef STEALTH
 #undef STOP 
 #undef THROW  
-#undef TT_ADDPOSITION
 #undef TURNOUT 
 #undef TURNOUTL
 #undef UNJOIN
@@ -167,9 +144,6 @@
 #undef VIRTUAL_SIGNAL
 #undef VIRTUAL_TURNOUT
 #undef WAITFOR
-#ifndef IO_NO_HAL
-#undef WAITFORTT
-#endif
 #undef WITHROTTLE
 #undef XFOFF
 #undef XFON
@@ -178,7 +152,6 @@
 #define ACTIVATE(addr,subaddr)
 #define ACTIVATEL(addr)
 #define AFTER(sensor_id)
-#define AFTEROVERLOAD(track_id)
 #define ALIAS(name,value...)
 #define AMBER(signal_id)
 #define ANOUT(vpin,value,param1,param2)
@@ -190,11 +163,8 @@
 #define AUTOSTART
 #define BROADCAST(msg)
 #define CALL(route) 
-#define CLEAR_STASH(id)
-#define CLEAR_ALL_STASH(id)
 #define CLOSE(id) 
 #define DCC_SIGNAL(id,add,subaddr)
-#define DCC_TURNTABLE(id,home,description)
 #define DEACTIVATE(addr,subaddr)
 #define DEACTIVATEL(addr)
 #define DELAY(mindelay)
@@ -208,7 +178,6 @@
 #define ENDTASK
 #define ESTOP 
 #define EXRAIL  
-#define EXTT_TURNTABLE(id,vpin,home,description)
 #define FADE(pin,value,ms)
 #define FOFF(func)
 #define FOLLOW(route) 
@@ -231,14 +200,11 @@
 #define IFTHROWN(turnout_id) 
 #define IFRESERVE(block)
 #define IFTIMEOUT
-#define IFTTPOSITION(turntable_id,position)
 #define IFRE(sensor_id,value)
 #define INVERT_DIRECTION 
 #define JOIN 
 #define KILLALL
 #define LATCH(sensor_id) 
-#define LCC(eventid) 
-#define LCCX(senderid,eventid) 
 #define LCD(row,msg)
 #define SCREEN(display,row,msg)
 #define LCN(msg) 
@@ -249,21 +215,17 @@
 #define ONTIME(value)
 #define ONCLOCKTIME(hours,mins)
 #define ONCLOCKMINS(mins)
-#define ONOVERLOAD(track_id)
 #define ONDEACTIVATE(addr,subaddr)
 #define ONDEACTIVATEL(linear) 
 #define ONCLOSE(turnout_id)
-#define ONLCC(sender,event)
 #define ONGREEN(signal_id) 
 #define ONRED(signal_id) 
-#define ONROTATE(turntable_id)
 #define ONTHROW(turnout_id) 
 #define ONCHANGE(sensor_id)
 #define PAUSE
 #define PIN_TURNOUT(id,pin,description...) 
 #define PRINT(msg) 
 #define PARSE(msg)
-#define PICKUP_STASH(id)
 #ifndef DISABLE_PROG
 #define POM(cv,value)
 #endif
@@ -276,15 +238,8 @@
 #define RESUME 
 #define RETURN 
 #define REV(speed) 
-#define ROTATE(turntable_id,position,activity)
-#define ROTATE_DCC(turntable_id,position)
-#define ROSTER(cab,name,funcmap...)
 #define ROUTE(id,description)
-#define ROUTE_ACTIVE(id)
+#define ROSTER(cab,name,funcmap...)
-#define ROUTE_INACTIVE(id)
-#define ROUTE_HIDDEN(id)
-#define ROUTE_DISABLED(id)
-#define ROUTE_CAPTION(id,caption)
 #define SENDLOCO(cab,route) 
 #define SEQUENCE(id) 
 #define SERIAL(msg) 
@@ -300,17 +255,13 @@
 #define SERVO_TURNOUT(id,pin,activeAngle,inactiveAngle,profile,description...) 
 #define SET(pin) 
 #define SET_TRACK(track,mode)
-#define SET_POWER(track,onoff)
 #define SETLOCO(loco) 
 #define SIGNAL(redpin,amberpin,greenpin) 
 #define SIGNALH(redpin,amberpin,greenpin) 
 #define SPEED(speed) 
 #define START(route) 
-#define STASH(id) 
-#define STEALTH(code...)
 #define STOP 
 #define THROW(id)  
-#define TT_ADDPOSITION(turntable_id,position,value,angle,description...)
 #define TURNOUT(id,addr,subaddr,description...) 
 #define TURNOUTL(id,addr,description...) 
 #define UNJOIN 
@@ -318,9 +269,6 @@
 #define VIRTUAL_SIGNAL(id) 
 #define VIRTUAL_TURNOUT(id,description...) 
 #define WAITFOR(pin)
-#ifndef IO_NO_HAL
-#define WAITFORTT(turntable_id)
-#endif
 #define WITHROTTLE(msg)
 #define XFOFF(cab,func)
 #define XFON(cab,func)

EXRAIL2Parser.cpp

@@ -1,328 +0,0 @@
-/*
- *  © 2021 Neil McKechnie
- *  © 2021-2023 Harald Barth
- *  © 2020-2023 Chris Harlow
- *  © 2022-2023 Colin Murdoch
- *  All rights reserved.
- *  
- *  This file is part of CommandStation-EX
- *
- *  This is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  It is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-// THIS file is an extension of the RMFT2 class 
-//  normally found in EXRAIL2.cpp
-
-#include <Arduino.h>
-#include "defines.h"
-#include "EXRAIL2.h"
-#include "DCC.h"
-// Command parsing keywords
-const int16_t HASH_KEYWORD_EXRAIL=15435;    
-const int16_t HASH_KEYWORD_ON = 2657;
-const int16_t HASH_KEYWORD_START=23232;
-const int16_t HASH_KEYWORD_RESERVE=11392;
-const int16_t HASH_KEYWORD_FREE=-23052;
-const int16_t HASH_KEYWORD_LATCH=1618;  
-const int16_t HASH_KEYWORD_UNLATCH=1353;
-const int16_t HASH_KEYWORD_PAUSE=-4142;
-const int16_t HASH_KEYWORD_RESUME=27609;
-const int16_t HASH_KEYWORD_KILL=5218;
-const int16_t HASH_KEYWORD_ALL=3457;
-const int16_t HASH_KEYWORD_ROUTES=-3702;
-const int16_t HASH_KEYWORD_RED=26099;
-const int16_t HASH_KEYWORD_AMBER=18713;
-const int16_t HASH_KEYWORD_GREEN=-31493;
-const int16_t HASH_KEYWORD_A='A';   
-const int16_t HASH_KEYWORD_M='M';
-
-
-// This filter intercepts <> commands to do the following:
-// - Implement RMFT specific commands/diagnostics
-// - Reject/modify JMRI commands that would interfere with RMFT processing
-
-void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]) {
-  (void)stream; // avoid compiler warning if we don't access this parameter
-  bool reject=false;
-  switch(opcode) {
-    
-  case 'D':
-    if (p[0]==HASH_KEYWORD_EXRAIL) { // <D EXRAIL ON/OFF>
-      diag = paramCount==2 && (p[1]==HASH_KEYWORD_ON || p[1]==1);
-      opcode=0;
-    }
-    break;
-	
-  case '/':  // New EXRAIL command
-    reject=!parseSlash(stream,paramCount,p);
-    opcode=0;
-    break;
-  
-  case 'L':
-    // This entire code block is compiled out if LLC macros not used 
-    if (!(compileFeatures & FEATURE_LCC)) return;
-
-    if (paramCount==0) {  //<L>  LCC adapter introducing self
-      LCCSerial=stream;   // now we know where to send events we raise
-
-      // loop through all possible sent events 
-      for (int progCounter=0;; SKIPOP) {
-        byte opcode=GET_OPCODE;
-        if (opcode==OPCODE_ENDEXRAIL) break;
-        if (opcode==OPCODE_LCC)  StringFormatter::send(stream,F("<LS x%h>\n"),getOperand(progCounter,0));   
-        if (opcode==OPCODE_LCCX) { // long form LCC
-           StringFormatter::send(stream,F("<LS x%h%h%h%h>\n"),
-                 getOperand(progCounter,1),
-                 getOperand(progCounter,2),
-                 getOperand(progCounter,3),
-                 getOperand(progCounter,0)
-                 );        
-        }}
-      
-      // we stream the hex events we wish to listen to
-      // and at the same time build the event index looku.
-      
-      
-      int eventIndex=0;
-      for (int progCounter=0;; SKIPOP) {
-        byte opcode=GET_OPCODE;
-        if (opcode==OPCODE_ENDEXRAIL) break;
-        if (opcode==OPCODE_ONLCC) {
-           onLCCLookup[eventIndex]=progCounter; // TODO skip...
-           StringFormatter::send(stream,F("<LL %d x%h%h%h:%h>\n"),
-                 eventIndex,
-                 getOperand(progCounter,1),
-                 getOperand(progCounter,2),
-                 getOperand(progCounter,3),
-                 getOperand(progCounter,0)
-                 );   
-           eventIndex++;      
-        }
-      }
-      StringFormatter::send(stream,F("<LR>\n")); // Ready to rumble
-      opcode=0;
-      break;
-    }
-    if (paramCount==1) {  // <L eventid> LCC event arrived from adapter
-        int16_t eventid=p[0];
-        reject=eventid<0 || eventid>=countLCCLookup;
-        if (!reject)  startNonRecursiveTask(F("LCC"),eventid,onLCCLookup[eventid]);
-        opcode=0;
-    }
-    break; 
-    
-    case 'J':  // throttle info commands
-        if (paramCount<1) return; 
-        switch(p[0]) {
-          case HASH_KEYWORD_A: // <JA> returns automations/routes
-            if (paramCount==1) {// <JA>
-              StringFormatter::send(stream, F("<jA"));
-              routeLookup->stream(stream);
-              StringFormatter::send(stream, F(">\n"));
-              opcode=0;
-              return; 
-            }
-            if (paramCount==2) {  // <JA id>
-              uint16_t id=p[1]; 
-              StringFormatter::send(stream,F("<jA %d %c \"%S\">\n"), 
-                id, getRouteType(id), getRouteDescription(id));
-              
-              if (compileFeatures & FEATURE_ROUTESTATE) {
-                // Send any non-default button states or captions
-                int16_t statePos=routeLookup->findPosition(id);
-                if (statePos>=0) {
-                 if (routeStateArray[statePos]) 
-                 StringFormatter::send(stream,F("<jB %d %d>\n"), id, routeStateArray[statePos]);
-                  if (routeCaptionArray[statePos]) 
-                  StringFormatter::send(stream,F("<jB %d \"%S\">\n"), id,routeCaptionArray[statePos]);
-                }
-              }
-              opcode=0;
-              return;
-            }
-            break;
-        case HASH_KEYWORD_M:
-            // NOTE: we only need to handle valid calls here because 
-            // DCCEXParser has to have code to handle the <J<> cases where
-            // exrail isnt involved anyway. 
-            // This entire code block is compiled out if STASH macros not used 
-          if (!(compileFeatures & FEATURE_STASH)) return;
-          if (paramCount==1) { // <JM>
-              StringFormatter::send(stream,F("<jM %d>\n"),maxStashId);
-              opcode=0;
-              break;
-            } 
-          if (paramCount==2) {  // <JM id>
-              if (p[1]<=0 || p[1]>maxStashId) break;
-              StringFormatter::send(stream,F("<jM %d %d>\n"),
-                    p[1],stashArray[p[1]]);
-               opcode=0;     
-               break;    
-          } 
-          if (paramCount==3) {  // <JM id cab>
-              if (p[1]<=0 || p[1]>maxStashId) break;
-              stashArray[p[1]]=p[2];
-              opcode=0;
-              break;      
-          }
-          break; 
-
-        default:
-            break;
-        }
-  default:  // other commands pass through
-    break;
-  }
-}
-
-bool RMFT2::parseSlash(Print * stream, byte & paramCount, int16_t p[]) {
-
-  if (paramCount==0) { // STATUS
-    StringFormatter::send(stream, F("<* EXRAIL STATUS"));
-    RMFT2 * task=loopTask;
-    while(task) {
-      StringFormatter::send(stream,F("\nID=%d,PC=%d,LOCO=%d%c,SPEED=%d%c"),
-			    (int)(task->taskId),task->progCounter,task->loco,
-			    task->invert?'I':' ',
-			    task->speedo,
-			    task->forward?'F':'R'
-			    );
-      task=task->next;
-      if (task==loopTask) break;
-    }
-    // Now stream the flags
-    for (int id=0;id<MAX_FLAGS; id++) {
-      byte flag=flags[id];
-      if (flag & ~TASK_FLAG & ~SIGNAL_MASK) { // not interested in TASK_FLAG only. Already shown above
-	      StringFormatter::send(stream,F("\nflags[%d] "),id);
-	      if (flag & SECTION_FLAG) StringFormatter::send(stream,F(" RESERVED"));
-	      if (flag & LATCH_FLAG) StringFormatter::send(stream,F(" LATCHED"));
-      }
-    }
-
-    if (compileFeatures & FEATURE_SIGNAL) {
-      // do the signals
-      // flags[n] represents the state of the nth signal in the table 
-      for (int sigslot=0;;sigslot++) {
-        VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
-        if (sigid==0) break; // end of signal list 
-        byte flag=flags[sigslot] & SIGNAL_MASK; // obtain signal flags for this id
-        StringFormatter::send(stream,F("\n%S[%d]"), 
-          (flag == SIGNAL_RED)? F("RED") : (flag==SIGNAL_GREEN) ? F("GREEN") : F("AMBER"),
-          sigid & SIGNAL_ID_MASK); 
-      } 
-    }
-
-    if (compileFeatures & FEATURE_STASH) {
-      for (int i=1;i<=maxStashId;i++) {
-        if (stashArray[i])
-          StringFormatter::send(stream,F("\nSTASH[%d] Loco=%d"),
-              i, stashArray[i]); 
-      } 
-    }
-    
-    StringFormatter::send(stream,F(" *>\n"));
-    return true;
-  }
-  switch (p[0]) {
-  case HASH_KEYWORD_PAUSE: // </ PAUSE>
-    if (paramCount!=1) return false;
-    DCC::setThrottle(0,1,true);  // pause all locos on the track
-    pausingTask=(RMFT2 *)1; // Impossible task address
-    return true;
-    
-  case HASH_KEYWORD_RESUME: // </ RESUME>
-    if (paramCount!=1) return false;
-    pausingTask=NULL;
-    {
-      RMFT2 * task=loopTask;
-      while(task) {
-	if (task->loco) task->driveLoco(task->speedo);
-	task=task->next;
-	if (task==loopTask) break;
-      }
-    }
-    return true;
-    
-    
-  case HASH_KEYWORD_START: // </ START [cab] route >
-    if (paramCount<2 || paramCount>3) return false;
-    {
-      int route=(paramCount==2) ? p[1] : p[2];
-      uint16_t cab=(paramCount==2)? 0 : p[1];
-      int pc=routeLookup->find(route);
-      if (pc<0) return false;
-      RMFT2* task=new RMFT2(pc);
-      task->loco=cab;
-    }
-    return true;
-    
-  default:
-    break;
-  }
-
-  // check KILL ALL here, otherwise the next validation confuses ALL with a flag  
-  if (p[0]==HASH_KEYWORD_KILL && p[1]==HASH_KEYWORD_ALL) {
-    while (loopTask) loopTask->kill(F("KILL ALL")); // destructor changes loopTask
-    return true;   
-  }
-
-  // all other / commands take 1 parameter
-  if (paramCount!=2 ) return false;
-  
-  switch (p[0]) {
-  case HASH_KEYWORD_KILL: // Kill taskid|ALL
-    {
-    if ( p[1]<0  || p[1]>=MAX_FLAGS) return false;
-    RMFT2 * task=loopTask;
-      while(task) {
-	      if (task->taskId==p[1]) {
-	        task->kill(F("KILL"));
-	        return  true;
-	      }
-	      task=task->next;
-	      if (task==loopTask) break;
-      }
-    }
-    return false;
-    
-  case HASH_KEYWORD_RESERVE:  // force reserve a section
-    return setFlag(p[1],SECTION_FLAG);
-    
-  case HASH_KEYWORD_FREE:  // force free a section
-    return setFlag(p[1],0,SECTION_FLAG);
-    
-  case HASH_KEYWORD_LATCH:
-    return setFlag(p[1], LATCH_FLAG);
-    
-  case HASH_KEYWORD_UNLATCH:
-    return setFlag(p[1], 0, LATCH_FLAG);
- 
-  case HASH_KEYWORD_RED:
-    doSignal(p[1],SIGNAL_RED);
-    return true;
- 
-  case HASH_KEYWORD_AMBER:
-    doSignal(p[1],SIGNAL_AMBER);
-    return true;
- 
-  case HASH_KEYWORD_GREEN:
-    doSignal(p[1],SIGNAL_GREEN);
-    return true;
-    
-  default:
-    return false;
-  }
-}
-

EXRAILMacros.h

@@ -1,7 +1,7 @@
 /*
  *  © 2021 Neil McKechnie
  *  © 2020-2022 Chris Harlow
- *  © 2022-2023 Colin Murdoch
+ *  © 2022 Colin Murdoch
  *  © 2023 Harald Barth
  *  All rights reserved.
  *  
@@ -54,8 +54,6 @@
 
 // helper macro for turnout descriptions, creates NULL for missing description
 #define O_DESC(id, desc) case id: return ("" desc)[0]?F("" desc):NULL;
-// helper macro for turntable descriptions, creates NULL for missing description
-#define T_DESC(tid,pid,desc) if(turntableId==tid && positionId==pid) return ("" desc)[0]?F("" desc):NULL;
 // helper macro for turnout description as HIDDEN 
 #define HIDDEN "\x01"
 
@@ -63,11 +61,6 @@
 // (10#mins)%100)
 #define STRIP_ZERO(value) 10##value%100
 
-// These constants help EXRAIL macros convert Track Power e.g. SET_POWER(A ON|OFF).
-//const byte TRACK_POWER_0=0, TRACK_POWER_OFF=0;    
-//const byte TRACK_POWER_1=1, TRACK_POWER_ON=1;   
-
-
 // Pass 1 Implements aliases 
 #include "EXRAIL2MacroReset.h"
 #undef ALIAS
@@ -75,7 +68,6 @@
 #include "myAutomation.h"
 
 // Pass 1h Implements HAL macro by creating exrailHalSetup function 
-// Also allows creating EXTurntable object
 #include "EXRAIL2MacroReset.h"
 #undef HAL
 #define HAL(haltype,params...)  haltype::create(params);
@@ -83,54 +75,11 @@ void exrailHalSetup() {
    #include "myAutomation.h"
 }
 
-// Pass 1c detect compile time featurtes
-#include "EXRAIL2MacroReset.h"
-#undef SIGNAL
-#define SIGNAL(redpin,amberpin,greenpin) | FEATURE_SIGNAL 
-#undef SIGNALH
-#define SIGNALH(redpin,amberpin,greenpin) | FEATURE_SIGNAL 
-#undef SERVO_SIGNAL
-#define SERVO_SIGNAL(vpin,redval,amberval,greenval) | FEATURE_SIGNAL 
-#undef DCC_SIGNAL
-#define DCC_SIGNAL(id,addr,subaddr) | FEATURE_SIGNAL
-#undef VIRTUAL_SIGNAL
-#define VIRTUAL_SIGNAL(id) | FEATURE_SIGNAL
-
-#undef LCC
-#define LCC(eventid)  | FEATURE_LCC
-#undef LCCX
-#define LCCX(senderid,eventid) | FEATURE_LCC 
-#undef ONLCC
-#define ONLCC(senderid,eventid) | FEATURE_LCC
-#undef ROUTE_ACTIVE
-#define ROUTE_ACTIVE(id) | FEATURE_ROUTESTATE
-#undef ROUTE_INACTIVE
-#define ROUTE_INACTIVE(id) | FEATURE_ROUTESTATE
-#undef ROUTE_HIDDEN
-#define ROUTE_HIDDEN(id) | FEATURE_ROUTESTATE
-#undef ROUTE_DISABLED
-#define ROUTE_DISABLED(id) | FEATURE_ROUTESTATE
-#undef ROUTE_CAPTION
-#define ROUTE_CAPTION(id,caption) | FEATURE_ROUTESTATE
-
-#undef CLEAR_STASH
-#define CLEAR_STASH(id) | FEATURE_STASH
-#undef CLEAR_ALL_STASH
-#define CLEAR_ALL_STASH | FEATURE_STASH
-#undef PICKUP_STASH
-#define PICKUP_STASH(id) | FEATURE_STASH
-#undef STASH
-#define STASH(id) | FEATURE_STASH
-
-const byte RMFT2::compileFeatures = 0
-   #include "myAutomation.h"
-;
-
 // Pass 2 create throttle route list 
 #include "EXRAIL2MacroReset.h"
 #undef ROUTE
 #define ROUTE(id, description) id,
-const int16_t HIGHFLASH  RMFT2::routeIdList[]= {
+const int16_t HIGHFLASH RMFT2::routeIdList[]= {
     #include "myAutomation.h"
     INT16_MAX};
 // Pass 2a create throttle automation list 
@@ -172,12 +121,6 @@ const int StringMacroTracker1=__COUNTER__;
 #define PRINT(msg) THRUNGE(msg,thrunge_print)
 #undef LCN
 #define LCN(msg)   THRUNGE(msg,thrunge_lcn)
-#undef ROUTE_CAPTION
-#define ROUTE_CAPTION(id,caption) \
-case (__COUNTER__ - StringMacroTracker1) : {\
-   manageRouteCaption(id,F(caption));\
-   return;\
-   }
 #undef SERIAL
 #define SERIAL(msg)   THRUNGE(msg,thrunge_serial)
 #undef SERIAL1
@@ -210,8 +153,6 @@ case (__COUNTER__ - StringMacroTracker1) : {\
          lcdid=id;\
          break;\
       } 
-#undef STEALTH
-#define STEALTH(code...) case (__COUNTER__ - StringMacroTracker1) : {code} return; 
 #undef WITHROTTLE
 #define WITHROTTLE(msg) THRUNGE(msg,thrunge_withrottle)
 
@@ -231,8 +172,6 @@ void  RMFT2::printMessage(uint16_t id) {
 #include "EXRAIL2MacroReset.h"
 #undef TURNOUT
 #define TURNOUT(id,addr,subaddr,description...) O_DESC(id,description)
-#undef TURNOUTL
-#define TURNOUTL(id,addr,description...) O_DESC(id,description)
 #undef PIN_TURNOUT
 #define PIN_TURNOUT(id,pin,description...) O_DESC(id,description)
 #undef SERVO_TURNOUT
@@ -248,31 +187,6 @@ const FSH * RMFT2::getTurnoutDescription(int16_t turnoutid) {
      return NULL;
 }
 
-// Pass to get turntable descriptions (optional)
-#include "EXRAIL2MacroReset.h"
-#undef DCC_TURNTABLE
-#define DCC_TURNTABLE(id,home,description...) O_DESC(id,description)
-#undef EXTT_TURNTABLE
-#define EXTT_TURNTABLE(id,vpin,home,description...) O_DESC(id,description)
-
-const FSH * RMFT2::getTurntableDescription(int16_t turntableId) {
-   switch (turntableId) {
-      #include "myAutomation.h"
-   default:break;
-   }
-   return NULL;
-}
-
-// Pass to get turntable position descriptions (optional)
-#include "EXRAIL2MacroReset.h"
-#undef TT_ADDPOSITION
-#define TT_ADDPOSITION(turntable_id,position,value,home,description...) T_DESC(turntable_id,position,description)
-
-const FSH * RMFT2::getTurntablePositionDescription(int16_t turntableId, uint8_t positionId) {
-   #include "myAutomation.h"
-   return NULL;
-}
-
 // Pass 6: Roster IDs (count)
 #include "EXRAIL2MacroReset.h"
 #undef ROSTER
@@ -329,16 +243,6 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
     #include "myAutomation.h"
     0,0,0,0 };
 
-// Pass 9 ONLCC counter and lookup array
-#include "EXRAIL2MacroReset.h"
-#undef ONLCC
-#define ONLCC(sender,event) +1 
-
-const int RMFT2::countLCCLookup=0
-#include "myAutomation.h"
-;
-int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
-
 // Last Pass : create main routes table
 // Only undef the macros, not dummy them.  
 #define  RMFT2_UNDEF_ONLY
@@ -352,7 +256,6 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define ACTIVATE(addr,subaddr) OPCODE_DCCACTIVATE,V(addr<<3 | subaddr<<1 | 1),
 #define ACTIVATEL(addr) OPCODE_DCCACTIVATE,V((addr+3)<<1 | 1),
 #define AFTER(sensor_id) OPCODE_AT,V(sensor_id),OPCODE_AFTER,V(sensor_id),
-#define AFTEROVERLOAD(track_id) OPCODE_AFTEROVERLOAD,V(TRACK_NUMBER_##track_id),
 #define ALIAS(name,value...) 
 #define AMBER(signal_id) OPCODE_AMBER,V(signal_id),
 #define ANOUT(vpin,value,param1,param2) OPCODE_SERVO,V(vpin),OPCODE_PAD,V(value),OPCODE_PAD,V(param1),OPCODE_PAD,V(param2),
@@ -364,12 +267,7 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define AUTOSTART OPCODE_AUTOSTART,0,0,
 #define BROADCAST(msg) PRINT(msg)
 #define CALL(route) OPCODE_CALL,V(route),
-#define CLEAR_STASH(id) OPCODE_CLEAR_STASH,V(id),
-#define CLEAR_ALL_STASH OPCODE_CLEAR_ALL_STASH,V(0),
 #define CLOSE(id)  OPCODE_CLOSE,V(id),
-#ifndef IO_NO_HAL
-#define DCC_TURNTABLE(id,home,description...) OPCODE_DCCTURNTABLE,V(id),OPCODE_PAD,V(home),
-#endif
 #define DEACTIVATE(addr,subaddr) OPCODE_DCCACTIVATE,V(addr<<3 | subaddr<<1),
 #define DEACTIVATEL(addr) OPCODE_DCCACTIVATE,V((addr+3)<<1),
 #define DELAY(ms) ms<30000?OPCODE_DELAYMS:OPCODE_DELAY,V(ms/(ms<30000?1L:100L)),
@@ -384,9 +282,6 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define ENDTASK OPCODE_ENDTASK,0,0,
 #define ESTOP OPCODE_SPEED,V(1), 
 #define EXRAIL 
-#ifndef IO_NO_HAL
-#define EXTT_TURNTABLE(id,vpin,home,description...) OPCODE_EXTTTURNTABLE,V(id),OPCODE_PAD,V(vpin),OPCODE_PAD,V(home),
-#endif
 #define FADE(pin,value,ms) OPCODE_SERVO,V(pin),OPCODE_PAD,V(value),OPCODE_PAD,V(PCA9685::ProfileType::UseDuration|PCA9685::NoPowerOff),OPCODE_PAD,V(ms/100L),
 #define FOFF(func) OPCODE_FOFF,V(func),
 #define FOLLOW(route) OPCODE_FOLLOW,V(route),
@@ -409,47 +304,29 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define IFRESERVE(block) OPCODE_IFRESERVE,V(block),
 #define IFTHROWN(turnout_id) OPCODE_IFTHROWN,V(turnout_id),
 #define IFTIMEOUT OPCODE_IFTIMEOUT,0,0,
-#ifndef IO_NO_HAL
-#define IFTTPOSITION(id,position) OPCODE_IFTTPOSITION,V(id),OPCODE_PAD,V(position),
-#endif
 #define IFRE(sensor_id,value) OPCODE_IFRE,V(sensor_id),OPCODE_PAD,V(value),
 #define INVERT_DIRECTION OPCODE_INVERT_DIRECTION,0,0,
 #define JOIN OPCODE_JOIN,0,0,
 #define KILLALL OPCODE_KILLALL,0,0,
 #define LATCH(sensor_id) OPCODE_LATCH,V(sensor_id),
-#define LCC(eventid) OPCODE_LCC,V(eventid),
-#define LCCX(sender,event) OPCODE_LCCX,V(event),\
-        OPCODE_PAD,V((((uint64_t)sender)>>32)&0xFFFF),\
-        OPCODE_PAD,V((((uint64_t)sender)>>16)&0xFFFF),\
-        OPCODE_PAD,V((((uint64_t)sender)>>0)&0xFFFF),  
 #define LCD(id,msg) PRINT(msg)
 #define SCREEN(display,id,msg) PRINT(msg)
-#define STEALTH(code...) PRINT(dummy)
 #define LCN(msg) PRINT(msg)
 #define MOVETT(id,steps,activity) OPCODE_SERVO,V(id),OPCODE_PAD,V(steps),OPCODE_PAD,V(EXTurntable::activity),OPCODE_PAD,V(0),
 #define ONACTIVATE(addr,subaddr) OPCODE_ONACTIVATE,V(addr<<2|subaddr),
 #define ONACTIVATEL(linear) OPCODE_ONACTIVATE,V(linear+3),
 #define ONAMBER(signal_id) OPCODE_ONAMBER,V(signal_id),
 #define ONCLOSE(turnout_id) OPCODE_ONCLOSE,V(turnout_id),
-#define ONLCC(sender,event) OPCODE_ONLCC,V(event),\
-        OPCODE_PAD,V((((uint64_t)sender)>>32)&0xFFFF),\
-        OPCODE_PAD,V((((uint64_t)sender)>>16)&0xFFFF),\
-        OPCODE_PAD,V((((uint64_t)sender)>>0)&0xFFFF),        
 #define ONTIME(value) OPCODE_ONTIME,V(value),  
 #define ONCLOCKTIME(hours,mins) OPCODE_ONTIME,V((STRIP_ZERO(hours)*60)+STRIP_ZERO(mins)),
 #define ONCLOCKMINS(mins) ONCLOCKTIME(25,mins)
-#define ONOVERLOAD(track_id) OPCODE_ONOVERLOAD,V(TRACK_NUMBER_##track_id),
 #define ONDEACTIVATE(addr,subaddr) OPCODE_ONDEACTIVATE,V(addr<<2|subaddr),
 #define ONDEACTIVATEL(linear) OPCODE_ONDEACTIVATE,V(linear+3),
 #define ONGREEN(signal_id) OPCODE_ONGREEN,V(signal_id),
 #define ONRED(signal_id) OPCODE_ONRED,V(signal_id),
-#ifndef IO_NO_HAL
-#define ONROTATE(id) OPCODE_ONROTATE,V(id),
-#endif
 #define ONTHROW(turnout_id) OPCODE_ONTHROW,V(turnout_id),
 #define ONCHANGE(sensor_id) OPCODE_ONCHANGE,V(sensor_id),
 #define PAUSE OPCODE_PAUSE,0,0,
-#define PICKUP_STASH(id) OPCODE_PICKUP_STASH,V(id),
 #define PIN_TURNOUT(id,pin,description...) OPCODE_PINTURNOUT,V(id),OPCODE_PAD,V(pin),
 #ifndef DISABLE_PROG
 #define POM(cv,value) OPCODE_POM,V(cv),OPCODE_PAD,V(value),
@@ -466,16 +343,7 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define RETURN OPCODE_RETURN,0,0,
 #define REV(speed) OPCODE_REV,V(speed),
 #define ROSTER(cabid,name,funcmap...)
-#ifndef IO_NO_HAL
-#define ROTATE(id,position,activity) OPCODE_ROTATE,V(id),OPCODE_PAD,V(position),OPCODE_PAD,V(EXTurntable::activity),
-#define ROTATE_DCC(id,position) OPCODE_ROTATE,V(id),OPCODE_PAD,V(position),OPCODE_PAD,V(0),
-#endif
 #define ROUTE(id, description)  OPCODE_ROUTE, V(id), 
-#define ROUTE_ACTIVE(id)  OPCODE_ROUTE_ACTIVE,V(id),
-#define ROUTE_INACTIVE(id)  OPCODE_ROUTE_INACTIVE,V(id),
-#define ROUTE_HIDDEN(id)  OPCODE_ROUTE_HIDDEN,V(id),
-#define ROUTE_DISABLED(id)  OPCODE_ROUTE_DISABLED,V(id),
-#define ROUTE_CAPTION(id,caption) PRINT(caption)
 #define SENDLOCO(cab,route) OPCODE_SENDLOCO,V(cab),OPCODE_PAD,V(route),
 #define SEQUENCE(id)  OPCODE_SEQUENCE, V(id), 
 #define SERIAL(msg) PRINT(msg)
@@ -491,18 +359,13 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define SERVO_TURNOUT(id,pin,activeAngle,inactiveAngle,profile,description...) OPCODE_SERVOTURNOUT,V(id),OPCODE_PAD,V(pin),OPCODE_PAD,V(activeAngle),OPCODE_PAD,V(inactiveAngle),OPCODE_PAD,V(PCA9685::ProfileType::profile),
 #define SET(pin) OPCODE_SET,V(pin),
 #define SET_TRACK(track,mode)  OPCODE_SET_TRACK,V(TRACK_MODE_##mode  <<8 | TRACK_NUMBER_##track),
-#define SET_POWER(track,onoff) OPCODE_SET_POWER,V(TRACK_POWER_##onoff),OPCODE_PAD, V(TRACK_NUMBER_##track),
 #define SETLOCO(loco) OPCODE_SETLOCO,V(loco),
 #define SIGNAL(redpin,amberpin,greenpin) 
 #define SIGNALH(redpin,amberpin,greenpin) 
 #define SPEED(speed) OPCODE_SPEED,V(speed),
 #define START(route) OPCODE_START,V(route),
-#define STASH(id) OPCODE_STASH,V(id), 
 #define STOP OPCODE_SPEED,V(0), 
 #define THROW(id)  OPCODE_THROW,V(id),
-#ifndef IO_NO_HAL
-#define TT_ADDPOSITION(id,position,value,angle,description...) OPCODE_TTADDPOSITION,V(id),OPCODE_PAD,V(position),OPCODE_PAD,V(value),OPCODE_PAD,V(angle),
-#endif
 #define TURNOUT(id,addr,subaddr,description...) OPCODE_TURNOUT,V(id),OPCODE_PAD,V(addr),OPCODE_PAD,V(subaddr),
 #define TURNOUTL(id,addr,description...) TURNOUT(id,(addr-1)/4+1,(addr-1)%4, description)
 #define UNJOIN OPCODE_UNJOIN,0,0,
@@ -511,15 +374,12 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define VIRTUAL_TURNOUT(id,description...) OPCODE_PINTURNOUT,V(id),OPCODE_PAD,V(0), 
 #define WITHROTTLE(msg) PRINT(msg)
 #define WAITFOR(pin) OPCODE_WAITFOR,V(pin),
-#ifndef IO_NO_HAL
-#define WAITFORTT(turntable_id) OPCODE_WAITFORTT,V(turntable_id),
-#endif
 #define XFOFF(cab,func) OPCODE_XFOFF,V(cab),OPCODE_PAD,V(func),
 #define XFON(cab,func) OPCODE_XFON,V(cab),OPCODE_PAD,V(func),
 
 // Build RouteCode
 const int StringMacroTracker2=__COUNTER__;
-const  HIGHFLASH3  byte RMFT2::RouteCode[] = {
+const  HIGHFLASH  byte RMFT2::RouteCode[] = {
     #include "myAutomation.h"
     OPCODE_ENDTASK,0,0,OPCODE_ENDEXRAIL,0,0 };
 

FSH.h

@@ -56,7 +56,6 @@ typedef __FlashStringHelper FSH;
 #if defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)
 // AVR_MEGA memory deliberately placed at end of link may need _far functions
 #define HIGHFLASH __attribute__((section(".fini2")))
-#define HIGHFLASH3 __attribute__((section(".fini3")))
 #define GETFARPTR(data) pgm_get_far_address(data)
 #define GETHIGHFLASH(data,offset) pgm_read_byte_far(GETFARPTR(data)+offset)
 #define GETHIGHFLASHW(data,offset) pgm_read_word_far(GETFARPTR(data)+offset)
@@ -64,7 +63,6 @@ typedef __FlashStringHelper FSH;
 // AVR_UNO/NANO runtime does not support _far functions so just use _near equivalent
 // as there is no progmem above 32kb anyway.
 #define HIGHFLASH PROGMEM
-#define HIGHFLASH3 PROGMEM
 #define GETFARPTR(data) ((uint32_t)(data))
 #define GETHIGHFLASH(data,offset) pgm_read_byte_near(GETFARPTR(data)+(offset))
 #define GETHIGHFLASHW(data,offset) pgm_read_word_near(GETFARPTR(data)+(offset))
@@ -82,7 +80,6 @@ typedef __FlashStringHelper FSH;
 typedef char FSH; 
 #define FLASH
 #define HIGHFLASH
-#define HIGHFLASH3
 #define GETFARPTR(data) ((uint32_t)(data))
 #define GETFLASH(addr) (*(const byte *)(addr))
 #define GETHIGHFLASH(data,offset)  (*(const byte *)(GETFARPTR(data)+offset))

GITHUB_SHA.h

@@ -1 +1 @@
-#define GITHUB_SHA "devel-202311270714Z"
+#define GITHUB_SHA "devel-202308020800Z"

I2CManager.cpp

@@ -92,7 +92,7 @@ void I2CManagerClass::begin(void) {
     // Probe and list devices.  Use standard mode 
     //  (clock speed 100kHz) for best device compatibility.
     _setClock(100000);
-    uint32_t originalTimeout = _timeout;
+    unsigned long originalTimeout = _timeout;
     setTimeout(1000);       // use 1ms timeout for probes
 
   #if defined(I2C_EXTENDED_ADDRESS)

I2CManager.h

@@ -485,7 +485,7 @@ private:
   // When retries are enabled, the timeout applies to each
   // try, and failure from timeout does not get retried.
   // A value of 0 means disable timeout monitoring.
-  uint32_t _timeout = 100000UL;
+  unsigned long _timeout = 100000UL;
     
   // Finish off request block by waiting for completion and posting status.
   uint8_t finishRB(I2CRB *rb, uint8_t status);
@@ -532,14 +532,13 @@ private:
     uint8_t bytesToSend = 0;
     uint8_t bytesToReceive = 0;
     uint8_t operation = 0;
-    uint32_t startTime = 0;
+    unsigned long startTime = 0;
     uint8_t muxPhase = 0;
     uint8_t muxAddress = 0;
     uint8_t muxData[1];
     uint8_t deviceAddress;
     const uint8_t *sendBuffer;
     uint8_t *receiveBuffer;
-    uint8_t transactionState = 0;
 
     volatile uint32_t pendingClockSpeed = 0;
 

I2CManager_NonBlocking.h

@@ -172,10 +172,6 @@ void I2CManagerClass::startTransaction() {
  *  Function to queue a request block and initiate operations.
  ***************************************************************************/
 void I2CManagerClass::queueRequest(I2CRB *req) {
-
-  if (((req->operation & OPERATION_MASK) == OPERATION_READ) && req->readLen == 0)
-    return;  // Ignore null read
-
   req->status = I2C_STATUS_PENDING;
   req->nextRequest = NULL;
   ATOMIC_BLOCK() {
@@ -188,7 +184,6 @@ void I2CManagerClass::queueRequest(I2CRB *req) {
 
 }
 
-
 /***************************************************************************
  *  Initiate a write to an I2C device (non-blocking operation)
  ***************************************************************************/
@@ -245,8 +240,8 @@ void I2CManagerClass::checkForTimeout() {
     I2CRB *t = queueHead;
     if (state==I2C_STATE_ACTIVE && t!=0 && t==currentRequest && _timeout > 0) {
       // Check for timeout
-      int32_t elapsed = micros() - startTime;
+      unsigned long elapsed = micros() - startTime;
-      if (elapsed > (int32_t)_timeout) { 
+      if (elapsed > _timeout) { 
 #ifdef DIAG_IO
         //DIAG(F("I2CManager Timeout on %s"), t->i2cAddress.toString());
 #endif
@@ -305,12 +300,12 @@ void I2CManagerClass::handleInterrupt() {
 
   // Check if current request has completed.  If there's a current request
   // and state isn't active then state contains the completion status of the request.
-  if (state == I2C_STATE_COMPLETED && currentRequest != NULL && currentRequest == queueHead) {
+  if (state == I2C_STATE_COMPLETED && currentRequest != NULL) {
     // Operation has completed.
     if (completionStatus == I2C_STATUS_OK || ++retryCounter > MAX_I2C_RETRIES
       || currentRequest->operation & OPERATION_NORETRY) 
     {
-      // Status is OK, or has failed and retry count exceeded, or failed and retries disabled.
+      // Status is OK, or has failed and retry count exceeded, or retries disabled.
 #if defined(I2C_EXTENDED_ADDRESS)
       if (muxPhase == MuxPhase_PROLOG ) {
         overallStatus = completionStatus;

I2CManager_STM32.h

@@ -26,44 +26,27 @@
 #include "I2CManager.h"
 #include "I2CManager_NonBlocking.h"   // to satisfy intellisense
 
+//#include <avr/io.h>
+//#include <avr/interrupt.h>
 #include <wiring_private.h>
-#include "stm32f4xx_hal_rcc.h"
 
-/*****************************************************************************
+/***************************************************************************
- *  STM32F4xx I2C native driver support
+ *  Interrupt handler.
- * 
+ *  IRQ handler for SERCOM3 which is the default I2C definition for Arduino Zero
- *  Nucleo-64 and Nucleo-144 boards all use I2C1 as the default I2C peripheral
+ *  compatible variants such as the Sparkfun SAMD21 Dev Breakout etc.
- *  Later we may wish to support other STM32 boards, allow use of an alternate
+ *  Later we may wish to allow use of an alternate I2C bus, or more than one I2C
- *  I2C bus, or more than one I2C bus on the STM32 architecture 
+ *  bus on the SAMD architecture 
- *****************************************************************************/
+ ***************************************************************************/
 #if defined(I2C_USE_INTERRUPTS) && defined(ARDUINO_ARCH_STM32)
-#if defined(ARDUINO_NUCLEO_F401RE) || defined(ARDUINO_NUCLEO_F411RE) || defined(ARDUINO_NUCLEO_F446RE) \
+void I2C1_IRQHandler() {
-    || defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F413ZH) \
+  I2CManager.handleInterrupt();
-    || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
+}
-// Assume I2C1 for now - default I2C bus on Nucleo-F411RE and likely all Nucleo-64
+#endif
-// and Nucleo-144 variants
+
+// Assume I2C1 for now - default I2C bus on Nucleo-F411RE and likely Nucleo-64 variants
 I2C_TypeDef *s = I2C1;
-
+#define I2C_IRQn  I2C1_EV_IRQn
-// In init we will ask the STM32 HAL layer for the configured APB1 clock frequency in Hz
+#define I2C_BUSFREQ 16
-uint32_t APB1clk1; // Peripheral Input Clock speed in Hz.
-uint32_t i2c_MHz;  // Peripheral Input Clock speed in MHz.
-
-// IRQ handler for I2C1, replacing the weak definition in the STM32 HAL 
-extern "C" void I2C1_EV_IRQHandler(void) {
-  I2CManager.handleInterrupt();
-}
-extern "C" void I2C1_ER_IRQHandler(void) {
-  I2CManager.handleInterrupt();
-}
-#else
-#warning STM32 board selected is not yet supported - so I2C1 peripheral is not defined
-#endif
-#endif
-
-// Peripheral Input Clock speed in MHz.
-// For STM32F446RE, the speed is 45MHz.  Ideally, this should be determined
-// at run-time from the APB1 clock, as it can vary from STM32 family to family.
-// #define I2C_PERIPH_CLK 45
 
 // I2C SR1 Status Register #1 bit definitions for convenience
 // #define I2C_SR1_SMBALERT  (1<<15)   // SMBus alert
@@ -97,66 +80,52 @@ extern "C" void I2C1_ER_IRQHandler(void) {
 // #define I2C_CR1_SMBUS     (1<<1)    // SMBus mode, 1=SMBus, 0=I2C
 // #define I2C_CR1_PE        (1<<0)    // I2C Peripheral enable
 
-// States of the STM32 I2C driver state machine
-enum {TS_IDLE,TS_START,TS_W_ADDR,TS_W_DATA,TS_W_STOP,TS_R_ADDR,TS_R_DATA,TS_R_STOP};
-
-
 /***************************************************************************
  *  Set I2C clock speed register.  This should only be called outside of
  *  a transmission.  The I2CManagerClass::_setClock() function ensures 
  *  that it is only called at the beginning of an I2C transaction.
  ***************************************************************************/
 void I2CManagerClass::I2C_setClock(uint32_t i2cClockSpeed) {
+
   // Calculate a rise time appropriate to the requested bus speed
-  // Use 10x the rise time spec to enable integer divide of 50ns clock period
+  // Use 10x the rise time spec to enable integer divide of 62.5ns clock period
   uint16_t t_rise;
   uint32_t ccr_freq;
-
+  if (i2cClockSpeed < 200000L) {
-  while (s->CR1 & I2C_CR1_STOP);  // Prevents lockup by guarding further
+    // i2cClockSpeed = 100000L;
-                                  // writes to CR1 while STOP is being executed!
+    t_rise = 0x11;  // (1000ns /62.5ns) + 1;
-
+  }
-  // Disable the I2C device, as TRISE can only be programmed whilst disabled
+  else if (i2cClockSpeed < 800000L)
-  s->CR1 &= ~(I2C_CR1_PE);  // Disable I2C
-  s->CR1 |= I2C_CR1_SWRST;  // reset the I2C
-  asm("nop");    // wait a bit... suggestion from online!
-  s->CR1 &= ~(I2C_CR1_SWRST); // Normal operation
-
-  if (i2cClockSpeed > 100000UL)
   {
-    // if (i2cClockSpeed > 400000L)
+    i2cClockSpeed = 400000L;
-    //   i2cClockSpeed = 400000L;
+    t_rise = 0x06;  // (300ns / 62.5ns) + 1;
-
+    // } else if (i2cClockSpeed < 1200000L) {
-    t_rise = 300;  // nanoseconds
+    //   i2cClockSpeed = 1000000L;
+    //   t_rise = 120;
   }
   else
   {
-    // i2cClockSpeed = 100000L;
+    i2cClockSpeed = 100000L;
-    t_rise = 1000;  // nanoseconds
+    t_rise = 0x11;  // (1000ns /62.5ns) + 1;
   }
-  // Configure the rise time register - max allowed tRISE is 1000ns,
+
-  // so value = 1000ns * I2C_PERIPH_CLK MHz / 1000 + 1.
+  // Enable the I2C master mode
-  s->TRISE = (t_rise * i2c_MHz / 1000) + 1;
+  s->CR1 &= ~(I2C_CR1_PE);  // Enable I2C
+  // Software reset the I2C peripheral
+  // s->CR1 |= I2C_CR1_SWRST;  // reset the I2C
+  // Release reset
+  // s->CR1 &= ~(I2C_CR1_SWRST);  // Normal operation
+
+  // Calculate baudrate - using a rise time appropriate for the speed
+  ccr_freq = I2C_BUSFREQ * 1000000 / i2cClockSpeed / 2;
 
   // Bit 15: I2C Master mode, 0=standard, 1=Fast Mode
-  // Bit 14: Duty, fast mode duty cycle (use 2:1)
+  // Bit 14: Duty, fast mode duty cycle
-  // Bit 11-0: FREQR
+  // Bit 11-0: FREQR = 16MHz => TPCLK1 = 62.5ns, so CCR divisor must be 0x50 (80 * 62.5ns = 5000ns)
-  // if (i2cClockSpeed > 400000UL) {
+  s->CCR = (uint16_t)ccr_freq;
-  //   // In fast mode plus, I2C period is 3 * CCR * TPCLK1.
-  //   // s->CCR &= ~(0x3000); // Clear all bits except 12 and 13 which must remain per reset value
-  //   s->CCR = APB1clk1 / 3 / i2cClockSpeed; // Set I2C clockspeed to start!
-  //   s->CCR |= 0xC000; // We need Fast Mode AND DUTY bits set
-  // } else {
-    // In standard and fast mode, I2C period is 2 * CCR * TPCLK1
-    s->CCR &= ~(0x3000); // Clear all bits except 12 and 13 which must remain per reset value
-    s->CCR |= (APB1clk1 / 2 / i2cClockSpeed); // Set I2C clockspeed to start!
-    // s->CCR |= (i2c_MHz * 500 / (i2cClockSpeed / 1000)); // Set I2C clockspeed to start!
-    // if (i2cClockSpeed > 100000UL)
-    //     s->CCR |= 0xC000; // We need Fast Mode bits set as well
-  // }
 
-  // DIAG(F("I2C_init() peripheral clock is now: %d, full reg is %x"), (s->CR2 & 0xFF), s->CR2);
+  // Configure the rise time register
-  // DIAG(F("I2C_init() peripheral CCR is now: %d"), s->CCR);
+  s->TRISE = t_rise;  // 1000 ns / 62.5 ns = 16 + 1
-  // DIAG(F("I2C_init() peripheral TRISE is now: %d"), s->TRISE);
 
   // Enable the I2C master mode
   s->CR1 |= I2C_CR1_PE;  // Enable I2C
@@ -167,54 +136,32 @@ void I2CManagerClass::I2C_setClock(uint32_t i2cClockSpeed) {
  ***************************************************************************/
 void I2CManagerClass::I2C_init()
 {
-  // Query the clockspeed from the STM32 HAL layer
+  //Setting up the clocks
-  APB1clk1 = HAL_RCC_GetPCLK1Freq();
+  RCC->APB1ENR |= (1<<21);  // Enable I2C CLOCK
-  i2c_MHz = APB1clk1 / 1000000UL;
-  // DIAG(F("I2C_init() peripheral clock speed is: %d"), i2c_MHz);
-  // Enable clocks
-  RCC->APB1ENR |= RCC_APB1ENR_I2C1EN;//(1 << 21); // Enable I2C CLOCK
-  // Reset the I2C1 peripheral to initial state
-  RCC->APB1RSTR |=  RCC_APB1RSTR_I2C1RST;
-	RCC->APB1RSTR &= ~RCC_APB1RSTR_I2C1RST;
-  // Standard I2C pins are SCL on PB8 and SDA on PB9
   RCC->AHB1ENR |= (1<<1);   // Enable GPIOB CLOCK for PB8/PB9
+  // Standard I2C pins are SCL on PB8 and SDA on PB9
   // Bits (17:16)= 1:0 --> Alternate Function for Pin PB8;
   // Bits (19:18)= 1:0 --> Alternate Function for Pin PB9
-  GPIOB->MODER &= ~((3<<(8*2)) | (3<<(9*2)));    // Clear all MODER bits for PB8 and PB9
   GPIOB->MODER |= (2<<(8*2)) | (2<<(9*2));    // PB8 and PB9 set to ALT function
   GPIOB->OTYPER |= (1<<8) | (1<<9);           // PB8 and PB9 set to open drain output capability
   GPIOB->OSPEEDR |= (3<<(8*2)) | (3<<(9*2));  // PB8 and PB9 set to High Speed mode
-  GPIOB->PUPDR &= ~((3<<(8*2)) | (3<<(9*2))); // Clear all PUPDR bits for PB8 and PB9
   GPIOB->PUPDR |= (1<<(8*2)) | (1<<(9*2));    // PB8 and PB9 set to pull-up capability
   // Alt Function High register routing pins PB8 and PB9 for I2C1:
   // Bits (3:2:1:0) = 0:1:0:0 --> AF4 for pin PB8
   // Bits (7:6:5:4) = 0:1:0:0 --> AF4 for pin PB9
-  GPIOB->AFR[1] &= ~((15<<0) | (15<<4));      // Clear all AFR bits for PB8 on low nibble, PB9 on next nibble up
   GPIOB->AFR[1] |= (4<<0) | (4<<4);           // PB8 on low nibble, PB9 on next nibble up
 
   // Software reset the I2C peripheral
-  I2C1->CR1 &= ~I2C_CR1_PE; // Disable I2C1 peripheral
   s->CR1 |= I2C_CR1_SWRST;  // reset the I2C
-  asm("nop");    // wait a bit... suggestion from online!
+  s->CR1 &= ~(I2C_CR1_SWRST);  // Normal operation
-  s->CR1 &= ~(I2C_CR1_SWRST); // Normal operation
 
-  // Clear all bits in I2C CR2 register except reserved bits
+  // Program the peripheral input clock in CR2 Register in order to generate correct timings
-  s->CR2 &= 0xE000;
+  s->CR2 |= I2C_BUSFREQ;  // PCLK1 FREQUENCY in MHz
-
-  // Set I2C peripheral clock frequency
-  // s->CR2 |= I2C_PERIPH_CLK;
-  s->CR2 |= i2c_MHz;
-  // DIAG(F("I2C_init() peripheral clock is now: %d"), s->CR2);
-
-  // set own address to 00 - not used in master mode
-  I2C1->OAR1 = (1 << 14); // bit 14 should be kept at 1 according to the datasheet
 
 #if defined(I2C_USE_INTERRUPTS)
   // Setting NVIC
-  NVIC_SetPriority(I2C1_EV_IRQn, 1);  // Match default priorities
+  NVIC_SetPriority(I2C_IRQn, 1);  // Match default priorities
-  NVIC_EnableIRQ(I2C1_EV_IRQn);
+  NVIC_EnableIRQ(I2C_IRQn);
-  NVIC_SetPriority(I2C1_ER_IRQn, 1);  // Match default priorities
-  NVIC_EnableIRQ(I2C1_ER_IRQn);
 
   // CR2 Interrupt Settings
   // Bit 15-13: reserved
@@ -225,28 +172,23 @@ void I2CManagerClass::I2C_init()
   // Bit 8: ITERREN - Error interrupt enable
   // Bit 7-6: reserved
   // Bit 5-0: FREQ - Peripheral clock frequency (max 50MHz)
-  s->CR2 |= (I2C_CR2_ITBUFEN | I2C_CR2_ITEVTEN | I2C_CR2_ITERREN);   // Enable Buffer, Event and Error interrupts
+  // s->CR2 |= 0x0700;   // Enable Buffer, Event and Error interrupts
+  s->CR2 |= 0x0300;   // Enable Event and Error interrupts
 #endif
 
-  // DIAG(F("I2C_init() setting initial I2C clock to 100KHz"));
   // Calculate baudrate and set default rate for now
   // Configure the Clock Control Register for 100KHz SCL frequency
   // Bit 15: I2C Master mode, 0=standard, 1=Fast Mode
   // Bit 14: Duty, fast mode duty cycle
-  // Bit 11-0: so CCR divisor would be clk / 2 / 100000 (where clk is in Hz)
+  // Bit 11-0: FREQR = 16MHz => TPCLK1 = 62.5ns, so CCR divisor must be 0x50 (80 * 62.5ns = 5000ns)
-  // s->CCR = I2C_PERIPH_CLK * 5;
+  s->CCR = 0x0050;
-  s->CCR &= ~(0x3000); // Clear all bits except 12 and 13 which must remain per reset value
-  s->CCR |= (APB1clk1 / 2 / 100000UL); // Set a default of 100KHz I2C clockspeed to start!
 
-  // Configure the rise time register - max allowed is 1000ns, so value = 1000ns * I2C_PERIPH_CLK MHz / 1000 + 1.
+  // Configure the rise time register - max allowed in 1000ns
-  s->TRISE = (1000 * i2c_MHz / 1000) + 1;
+  s->TRISE = 0x0011; // 1000 ns / 62.5 ns = 16 + 1
-
-  // DIAG(F("I2C_init() peripheral clock is now: %d, full reg is %x"), (s->CR2 & 0xFF), s->CR2);
-  // DIAG(F("I2C_init() peripheral CCR is now: %d"), s->CCR);
-  // DIAG(F("I2C_init() peripheral TRISE is now: %d"), s->TRISE);
 
   // Enable the I2C master mode
   s->CR1 |= I2C_CR1_PE;  // Enable I2C
+  // Setting bus idle mode and wait for sync
 }
 
 /***************************************************************************
@@ -256,30 +198,49 @@ void I2CManagerClass::I2C_sendStart() {
 
   // Set counters here in case this is a retry.
   rxCount = txCount = 0;
+  uint8_t temp;
 
   // On a single-master I2C bus, the start bit won't be sent until the bus 
   // state goes to IDLE so we can request it without waiting.  On a 
   // multi-master bus, the bus may be BUSY under control of another master, 
   // in which case we can avoid some arbitration failures by waiting until
   // the bus state is IDLE.  We don't do that here.
-  //while (s->SR2 & I2C_SR2_BUSY) {}
 
-  // Check there's no STOP still in progress.  If we OR the START bit into CR1
+  // If anything to send, initiate write.  Otherwise initiate read.
-  // and the STOP bit is already set, we could output multiple STOP conditions.
+  if (operation == OPERATION_READ || ((operation == OPERATION_REQUEST) && !bytesToSend))
-  while (s->CR1 & I2C_CR1_STOP) {}  // Wait for STOP bit to reset
+  {
-
+    // Send start for read operation
-  s->CR2 |= (I2C_CR2_ITEVTEN | I2C_CR2_ITERREN);  // Enable interrupts
+    s->CR1 |= I2C_CR1_ACK;  // Enable the ACK
-  s->CR2 &= ~I2C_CR2_ITBUFEN;     // Don't enable buffer interupts yet.
+    s->CR1 |= I2C_CR1_START;  // Generate START
-  s->CR1 &= ~I2C_CR1_POS;   // Clear the POS bit
+    // Send address with read flag (1) or'd in
-  s->CR1 |= (I2C_CR1_ACK | I2C_CR1_START);   // Enable the ACK and generate START
+    s->DR = (deviceAddress << 1) | 1;  //  send the address
-  transactionState = TS_START;
+    while (!(s->SR1 && I2C_SR1_ADDR));  // wait for ADDR bit to set
+    // Special case for 1 byte reads!
+    if (bytesToReceive == 1)
+    {
+      s->CR1 &= ~I2C_CR1_ACK;            // clear the ACK bit 
+		  temp = I2C1->SR1 | I2C1->SR2;  // read SR1 and SR2 to clear the ADDR bit.... EV6 condition
+		  s->CR1 |= I2C_CR1_STOP;              // Stop I2C
+    }
+    else
+      temp = s->SR1 | s->SR2;        // read SR1 and SR2 to clear the ADDR bit
+  }
+  else {
+    // Send start for write operation
+    s->CR1 |= I2C_CR1_ACK;  // Enable the ACK
+    s->CR1 |= I2C_CR1_START;  // Generate START
+    // Send address with write flag (0) or'd in
+    s->DR = (deviceAddress << 1) | 0;  //  send the address
+    while (!(s->SR1 && I2C_SR1_ADDR));  // wait for ADDR bit to set
+    temp = s->SR1 | s->SR2;  // read SR1 and SR2 to clear the ADDR bit
+  }
 }
 
 /***************************************************************************
  *  Initiate a stop bit for transmission (does not interrupt)
  ***************************************************************************/
 void I2CManagerClass::I2C_sendStop() {
-  s->CR1 |= I2C_CR1_STOP; // Stop I2C
+  s->CR1 |= I2C_CR1_STOP;              // Stop I2C
 }
 
 /***************************************************************************
@@ -291,11 +252,9 @@ void I2CManagerClass::I2C_close() {
   s->CR1 &= ~I2C_CR1_PE;  // Disable I2C peripheral
   // Should never happen, but wait for up to 500us only.
   unsigned long startTime = micros();
-  while ((s->CR1 & I2C_CR1_PE) != 0) {
+  while ((s->CR1 && I2C_CR1_PE) != 0) {
-    if ((int32_t)(micros() - startTime) >= 500) break;
+    if (micros() - startTime >= 500UL) break;
   }
-  NVIC_DisableIRQ(I2C1_EV_IRQn);
-  NVIC_DisableIRQ(I2C1_ER_IRQn);
 }
 
 /***************************************************************************
@@ -304,217 +263,50 @@ void I2CManagerClass::I2C_close() {
  *  (and therefore, indirectly, from I2CRB::wait() and I2CRB::isBusy()).
  ***************************************************************************/
 void I2CManagerClass::I2C_handleInterrupt() {
-  volatile uint16_t temp_sr1, temp_sr2;
 
-  temp_sr1 = s->SR1;
+  if (s->SR1 && I2C_SR1_ARLO) {
-
+    // Arbitration lost, restart
-  // Check for errors first
+    I2C_sendStart();   // Reinitiate request
-  if (temp_sr1 & (I2C_SR1_AF | I2C_SR1_ARLO | I2C_SR1_BERR)) {
+  } else if (s->SR1 && I2C_SR1_BERR) {
-    // Check which error flag is set
+    // Bus error
-    if (temp_sr1 & I2C_SR1_AF)
+    completionStatus = I2C_STATUS_BUS_ERROR;
-    {
+    state = I2C_STATE_COMPLETED;
-      s->SR1 &= ~(I2C_SR1_AF); // Clear AF
+  } else if (s->SR1 && I2C_SR1_TXE) {
-      I2C_sendStop(); // Clear the bus
+    // Master write completed
-      transactionState = TS_IDLE;
+    if (s->SR1 && (1<<10)) {
+      // Nacked, send stop.
+      I2C_sendStop();
       completionStatus = I2C_STATUS_NEGATIVE_ACKNOWLEDGE;
       state = I2C_STATE_COMPLETED;
-    }
+    } else if (bytesToSend) {
-    else if (temp_sr1 & I2C_SR1_ARLO)
+      // Acked, so send next byte
-    {
+      s->DR = sendBuffer[txCount++];
-      // Arbitration lost, restart
+      bytesToSend--;
-      s->SR1 &= ~(I2C_SR1_ARLO); // Clear ARLO
+    } else if (bytesToReceive) {
-      I2C_sendStart(); // Reinitiate request
+      // Last sent byte acked and no more to send.  Send repeated start, address and read bit.
-      transactionState = TS_START;
+      // s->I2CM.ADDR.bit.ADDR = (deviceAddress << 1) | 1;
-    }
+    } else {
-    else if (temp_sr1 & I2C_SR1_BERR)
+      // Check both TxE/BTF == 1 before generating stop
-    {
+      while (!(s->SR1 && I2C_SR1_TXE));    // Check TxE
-      // Bus error
+      while (!(s->SR1 && I2C_SR1_BTF));    // Check BTF
-      s->SR1 &= ~(I2C_SR1_BERR); // Clear BERR
+      // No more data to send/receive. Initiate a STOP condition and finish
-      I2C_sendStop(); // Clear the bus
+      I2C_sendStop();
-      transactionState = TS_IDLE;
-      completionStatus = I2C_STATUS_BUS_ERROR;
       state = I2C_STATE_COMPLETED;
     }
-  } 
+  } else if (s->SR1 && I2C_SR1_RXNE) {
-  else {
+    // Master read completed without errors
-    // No error flags, so process event according to current state.
+    if (bytesToReceive == 1) {
-    switch (transactionState) {
+//      s->I2CM.CTRLB.bit.ACKACT = 1;  // NAK final byte
-      case TS_START:
+      I2C_sendStop();  // send stop
-        if (temp_sr1 & I2C_SR1_SB) {
+      receiveBuffer[rxCount++] = s->DR;  // Store received byte
-          // Event EV5
+      bytesToReceive = 0;
-          // Start bit has been sent successfully and we have the bus.
+      state = I2C_STATE_COMPLETED;
-          // If anything to send, initiate write.  Otherwise initiate read.
+    } else if (bytesToReceive) {
-          if (operation == OPERATION_READ || ((operation == OPERATION_REQUEST) && !bytesToSend)) {
+//      s->I2CM.CTRLB.bit.ACKACT = 0;  // ACK all but final byte
-            // Send address with read flag (1) or'd in
+      receiveBuffer[rxCount++] = s->DR;  // Store received byte
-            s->DR = (deviceAddress << 1) | 1;  //  send the address
+      bytesToReceive--;
-            transactionState = TS_R_ADDR;
-          } else {
-            // Send address with write flag (0) or'd in
-            s->DR = (deviceAddress << 1) | 0;  //  send the address
-            transactionState = TS_W_ADDR;
-          }
-        }
-        // SB bit is cleared by writing to DR (already done).
-        break;
-
-      case TS_W_ADDR:
-        if (temp_sr1 & I2C_SR1_ADDR) {
-          temp_sr2 = s->SR2; // read SR2 to complete clearing the ADDR bit
-          // Event EV6
-          // Address sent successfully, device has ack'd in response.
-          if (!bytesToSend) {
-            I2C_sendStop();
-            transactionState = TS_IDLE;
-            completionStatus = I2C_STATUS_OK;
-            state = I2C_STATE_COMPLETED;
-          } else {
-            // Put one byte into DR to load shift register.
-            s->DR = sendBuffer[txCount++];
-            bytesToSend--;
-            if (bytesToSend) {
-              // Put another byte to load DR
-              s->DR = sendBuffer[txCount++];
-              bytesToSend--;
-            }
-            if (!bytesToSend) {
-              // No more bytes to send.
-              // The TXE interrupt occurs when the DR is empty, and the BTF interrupt 
-              // occurs when the shift register is also empty (one character later).
-              // To avoid repeated TXE interrupts during this time, we disable TXE interrupt.
-              s->CR2 &= ~I2C_CR2_ITBUFEN;  // Wait for BTF interrupt, disable TXE interrupt
-              transactionState = TS_W_STOP;
-            } else {
-              // More data remaining to send after this interrupt, enable TXE interrupt.
-              s->CR2 |= I2C_CR2_ITBUFEN;
-              transactionState = TS_W_DATA;
-            }
-          }
-        }
-        break;
-
-      case TS_W_DATA:
-        if (temp_sr1 & I2C_SR1_TXE) {
-          // Event EV8_1/EV8
-          // Transmitter empty, write a byte to it.
-          if (bytesToSend) {
-            s->DR = sendBuffer[txCount++];
-            bytesToSend--;
-            if (!bytesToSend) {
-              s->CR2 &= ~I2C_CR2_ITBUFEN;  // Disable TXE interrupt
-              transactionState = TS_W_STOP;
-            }
-          }
-        } 
-        break;
-
-      case TS_W_STOP:
-        if (temp_sr1 & I2C_SR1_BTF) {
-          // Event EV8_2
-          // Done, last character sent. Anything to receive?
-          if (bytesToReceive) {
-            I2C_sendStart();
-            // NOTE: Three redundant BTF interrupts take place between the
-            // first BTF interrupt and the START interrupt.  I've tried all sorts
-            // of ways to eliminate them, and the only thing that worked for
-            // me was to loop until the BTF bit becomes reset.  Either way,
-            // it's a waste of processor time.  Anyone got a solution?
-            //while (s->SR1 && I2C_SR1_BTF) {}
-            transactionState = TS_START;
-          } else {
-            I2C_sendStop();
-            transactionState = TS_IDLE;
-            completionStatus = I2C_STATUS_OK;
-            state = I2C_STATE_COMPLETED;
-          }
-          s->SR1 &= I2C_SR1_BTF;  // Clear BTF interrupt
-        }
-        break;
-
-      case TS_R_ADDR:
-        if (temp_sr1 & I2C_SR1_ADDR) {
-          // Event EV6
-          // Address sent for receive.
-          // The next bit is different depending on whether there are 
-          // 1 byte, 2 bytes or >2 bytes to be received, in accordance with the
-          // Programmers Reference RM0390.
-          if (bytesToReceive == 1) {
-            // Receive 1 byte
-            s->CR1 &= ~I2C_CR1_ACK;  // Disable ack
-            temp_sr2 = s->SR2; // read SR2 to complete clearing the ADDR bit
-            // Next step will occur after a RXNE interrupt, so enable it
-            s->CR2 |= I2C_CR2_ITBUFEN;
-            transactionState = TS_R_STOP;
-          } else if (bytesToReceive == 2) {
-            // Receive 2 bytes
-            s->CR1 &= ~I2C_CR1_ACK;  // Disable ACK for final byte
-            s->CR1 |= I2C_CR1_POS;  // set POS flag to delay effect of ACK flag
-            // Next step will occur after a BTF interrupt, so disable RXNE interrupt
-            s->CR2 &= ~I2C_CR2_ITBUFEN;
-            temp_sr2 = s->SR2; // read SR2 to complete clearing the ADDR bit
-            transactionState = TS_R_STOP;
-          } else {
-            // >2 bytes, just wait for bytes to come in and ack them for the time being
-            // (ack flag has already been set).
-            // Next step will occur after a BTF interrupt, so disable RXNE interrupt
-            s->CR2 &= ~I2C_CR2_ITBUFEN;
-            temp_sr2 = s->SR2; // read SR2 to complete clearing the ADDR bit
-            transactionState = TS_R_DATA;
-          }
-        }
-        break;
-      
-      case TS_R_DATA:
-        // Event EV7/EV7_1
-        if (temp_sr1 & I2C_SR1_BTF) {
-          // Byte received in receiver - read next byte
-          if (bytesToReceive == 3) {
-            // Getting close to the last byte, so a specific sequence is recommended.
-            s->CR1 &= ~I2C_CR1_ACK;  // Reset ack for next byte received.
-            transactionState = TS_R_STOP;
-          }
-          receiveBuffer[rxCount++] = s->DR;  // Store received byte
-          bytesToReceive--;
-        } 
-        break;
-        
-      case TS_R_STOP:
-        if (temp_sr1 & I2C_SR1_BTF) {
-          // Event EV7 (last one)
-          // When we've got here, the receiver has got the last two bytes
-          // (or one byte, if only one byte is being received),
-          // and NAK has already been sent, so we need to read from the receiver.
-          if (bytesToReceive) {
-            if (bytesToReceive > 1) 
-              I2C_sendStop();
-            while(bytesToReceive) {
-              receiveBuffer[rxCount++] = s->DR;  // Store received byte(s)
-              bytesToReceive--;
-            }
-            // Finish.
-            transactionState = TS_IDLE;
-            completionStatus = I2C_STATUS_OK;
-            state = I2C_STATE_COMPLETED;
-          }
-        } else if (temp_sr1 & I2C_SR1_RXNE) {
-          if (bytesToReceive == 1) {
-            // One byte on a single-byte transfer.  Ack has already been set.
-            I2C_sendStop();
-            receiveBuffer[rxCount++] = s->DR; // Store received byte
-            bytesToReceive--;
-            // Finish.
-            transactionState = TS_IDLE;
-            completionStatus = I2C_STATUS_OK;
-            state = I2C_STATE_COMPLETED;
-          } else
-            s->SR1 &= I2C_SR1_RXNE;  // Acknowledge interrupt
-        }
-        break;
     }
-    // If we've received an interrupt at any other time, we're not interested so clear it
-    // to prevent it recurring ad infinitum.
-    s->SR1 = 0;
   }
-  
 }
 
 #endif /* I2CMANAGER_STM32_H */

IODevice.cpp

@@ -176,13 +176,6 @@ bool IODevice::exists(VPIN vpin) {
   return findDevice(vpin) != NULL;
 }
 
-// Return the status of the device att vpin.
-uint8_t IODevice::getStatus(VPIN vpin) {
-  IODevice *dev = findDevice(vpin);
-  if (!dev) return false;
-  return dev->_deviceState;
-}
-
 // check whether the pin supports notification.  If so, then regular _read calls are not required.
 bool IODevice::hasCallback(VPIN vpin) {
   IODevice *dev = findDevice(vpin);

IODevice.h

@@ -27,6 +27,12 @@
 // Define symbol DIAG_LOOPTIMES to enable CS loop execution time to be reported
 //#define DIAG_LOOPTIMES
 
+// Define symbol IO_NO_HAL to reduce FLASH footprint when HAL features not required
+// The HAL is disabled by default on Nano and Uno platforms, because of limited flash space.
+#if defined(ARDUINO_AVR_NANO) || defined(ARDUINO_AVR_UNO) 
+#define IO_NO_HAL
+#endif
+
 // Define symbol IO_SWITCH_OFF_SERVO to set the PCA9685 output to 0 when an 
 // animation has completed.  This switches off the servo motor, preventing 
 // the continuous buzz sometimes found on servos, and reducing the 
@@ -154,9 +160,6 @@ public:
   // exists checks whether there is a device owning the specified vpin
   static bool exists(VPIN vpin);
 
-  // getStatus returns the state of the device at the specified vpin
-  static uint8_t getStatus(VPIN vpin);
-
   // Enable shared interrupt on specified pin for GPIO extender modules.  The extender module
   // should pull down this pin when requesting a scan.  The pin may be shared by multiple modules.
   // Without the shared interrupt, input states are scanned periodically to detect changes on 
@@ -380,7 +383,6 @@ private:
   uint8_t *_pinInUse; 
 };
 
-#ifndef IO_NO_HAL
 /////////////////////////////////////////////////////////////////////////////////////////////////////
 /*
  * IODevice subclass for EX-Turntable.
@@ -409,14 +411,10 @@ private:
   void _begin() override;
   void _loop(unsigned long currentMicros) override;
   int _read(VPIN vpin) override;
-  void _broadcastStatus (VPIN vpin, uint8_t status, uint8_t activity);
   void _writeAnalogue(VPIN vpin, int value, uint8_t activity, uint16_t duration) override;
   void _display() override;
   uint8_t _stepperStatus;
-  uint8_t _previousStatus;
-  uint8_t _currentActivity;
 };
-#endif
 
 /////////////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -542,10 +540,8 @@ protected:
 #include "IO_MCP23017.h"
 #include "IO_PCF8574.h"
 #include "IO_PCF8575.h"
-#include "IO_PCA9555.h"
 #include "IO_duinoNodes.h"
 #include "IO_EXIOExpander.h"
-#include "IO_trainbrains.h"
 
 
 #endif // iodevice_h

IO_EXTurntable.h

@@ -20,21 +20,20 @@
 /*
 * The IO_EXTurntable device driver is used to control a turntable via an Arduino with a stepper motor over I2C.
 *
-* The EX-Turntable code lives in a separate repo (https://github.com/DCC-EX/EX-Turntable) and contains the stepper motor logic.
+* The EX-Turntable code lives in a separate repo (https://github.com/DCC-EX/Turntable-EX) and contains the stepper motor logic.
 *
-* This device driver sends a step position to EX-Turntable to indicate the step position to move to using either of these commands:
+* This device driver sends a step position to Turntable-EX to indicate the step position to move to using either of these commands:
 * <D TT vpin steps activity> in the serial console
 * MOVETT(vpin, steps, activity) in EX-RAIL
 * Refer to the documentation for further information including the valid activities.
 */
 
+#ifndef IO_EXTurntable_h
+#define IO_EXTurntable_h
+
 #include "IODevice.h"
 #include "I2CManager.h"
 #include "DIAG.h"
-#include "Turntables.h"
-#include "CommandDistributor.h"
-
-#ifndef IO_NO_HAL
 
 void EXTurntable::create(VPIN firstVpin, int nPins, I2CAddress I2CAddress) {
   new EXTurntable(firstVpin, nPins, I2CAddress);
@@ -45,8 +44,6 @@ EXTurntable::EXTurntable(VPIN firstVpin, int nPins, I2CAddress I2CAddress) {
   _firstVpin = firstVpin;
   _nPins = nPins;
   _I2CAddress = I2CAddress;
-  _stepperStatus = 0;
-  _previousStatus = 0;
   addDevice(this);
 }
 
@@ -54,7 +51,6 @@ EXTurntable::EXTurntable(VPIN firstVpin, int nPins, I2CAddress I2CAddress) {
 void EXTurntable::_begin() {
   I2CManager.begin();
   if (I2CManager.exists(_I2CAddress)) {
-    DIAG(F("EX-Turntable device found, I2C:%s"), _I2CAddress.toString());
 #ifdef DIAG_IO
     _display();
 #endif
@@ -71,19 +67,15 @@ void EXTurntable::_loop(unsigned long currentMicros) {
   uint8_t readBuffer[1];
   I2CManager.read(_I2CAddress, readBuffer, 1);
   _stepperStatus = readBuffer[0];
-  if (_stepperStatus != _previousStatus && _stepperStatus == 0) { // Broadcast when a rotation finishes
+  // DIAG(F("Turntable-EX returned status: %d"), _stepperStatus);
-    if ( _currentActivity < 4) {
+  delayUntil(currentMicros + 500000);  // Wait 500ms before checking again, turntables turn slowly
-      _broadcastStatus(_firstVpin, _stepperStatus, _currentActivity);
-    }
-    _previousStatus = _stepperStatus;
-  }
-  delayUntil(currentMicros + 100000);  // Wait 100ms before checking again
 }
 
 // Read returns status as obtained in our loop.
 // Return false if our status value is invalid.
 int EXTurntable::_read(VPIN vpin) {
   if (_deviceState == DEVSTATE_FAILED) return 0;
+  // DIAG(F("_read status: %d"), _stepperStatus);
   if (_stepperStatus > 1) {
     return false;
   } else {
@@ -91,17 +83,6 @@ int EXTurntable::_read(VPIN vpin) {
   }
 }
 
-// If a status change has occurred for a turntable object, broadcast it
-void EXTurntable::_broadcastStatus (VPIN vpin, uint8_t status, uint8_t activity) {
-  Turntable *tto = Turntable::getByVpin(vpin);
-  if (tto) {
-    if (activity < 4) {
-      tto->setMoving(status);
-      CommandDistributor::broadcastTurntable(tto->getId(), tto->getPosition(), status);
-    }
-  }
-}
-
 // writeAnalogue to send the steps and activity to Turntable-EX.
 // Sends 3 bytes containing the MSB and LSB of the step count, and activity.
 // value contains the steps, bit shifted to MSB + LSB.
@@ -119,7 +100,6 @@ void EXTurntable::_broadcastStatus (VPIN vpin, uint8_t status, uint8_t activity)
 // Acc_Off = 9           // Turn accessory pin off
 void EXTurntable::_writeAnalogue(VPIN vpin, int value, uint8_t activity, uint16_t duration) {
   if (_deviceState == DEVSTATE_FAILED) return;
-  if (value < 0) return;
   uint8_t stepsMSB = value >> 8;
   uint8_t stepsLSB = value & 0xFF;
 #ifdef DIAG_IO
@@ -128,10 +108,7 @@ void EXTurntable::_writeAnalogue(VPIN vpin, int value, uint8_t activity, uint16_
   DIAG(F("I2CManager write I2C Address:%d stepsMSB:%d stepsLSB:%d activity:%d"),
     _I2CAddress.toString(), stepsMSB, stepsLSB, activity);
 #endif
-  if (activity < 4) _stepperStatus = 1;     // Tell the device driver Turntable-EX is busy
+  _stepperStatus = 1;     // Tell the device driver Turntable-EX is busy
-  _previousStatus = _stepperStatus;
-  _currentActivity = activity;
-  _broadcastStatus(vpin, _stepperStatus, activity); // Broadcast when the rotation starts
   I2CManager.write(_I2CAddress, 3, stepsMSB, stepsLSB, activity);
 }
 

IO_PCA9555.h

@@ -30,19 +30,20 @@
  
 class PCA9555 : public GPIOBase<uint16_t> {
 public:
-  static void create(VPIN vpin, uint8_t nPins, I2CAddress i2cAddress, int interruptPin=-1) {
+  static void create(VPIN vpin, int nPins, uint8_t I2CAddress, int interruptPin=-1) {
-    if (checkNoOverlap(vpin, nPins, i2cAddress)) new PCA9555(vpin,nPins, i2cAddress, interruptPin);
+    new PCA9555(vpin, min(nPins,16), I2CAddress, interruptPin);
   }
   
-private:  
   // Constructor
-  PCA9555(VPIN vpin, uint8_t nPins, I2CAddress I2CAddress, int interruptPin=-1) 
+  PCA9555(VPIN vpin, int nPins, uint8_t I2CAddress, int interruptPin=-1) 
     : GPIOBase<uint16_t>((FSH *)F("PCA9555"), vpin, nPins, I2CAddress, interruptPin) 
   {
     requestBlock.setRequestParams(_I2CAddress, inputBuffer, sizeof(inputBuffer),
       outputBuffer, sizeof(outputBuffer));
     outputBuffer[0] = REG_INPUT_P0;
   }
+
+private:
   void _writeGpioPort() override {
     I2CManager.write(_I2CAddress, 3, REG_OUTPUT_P0, _portOutputState, _portOutputState>>8);
   }

IO_trainbrains.h

@@ -1,98 +0,0 @@
-/*
- *  © 2023, Chris Harlow. All rights reserved.
- *  © 2021, Neil McKechnie. All rights reserved.
- *  
- *  This file is part of DCC++EX API
- *
- *  This is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  It is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#ifndef io_trainbrains_h
-#define io_trainbrains_h
-
-#include "IO_GPIOBase.h"
-#include "FSH.h"
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////
-/*
- * IODevice subclass for trainbrains 3-block occupancy detector.
- * For details see http://trainbrains.eu
- */
- 
- enum TrackUnoccupancy
-{
-    TRACK_UNOCCUPANCY_UNKNOWN = 0,
-    TRACK_OCCUPIED = 1,
-    TRACK_UNOCCUPIED = 2
-};
-
-class Trainbrains02 : public GPIOBase<uint16_t> {
-public:
-  static void create(VPIN vpin, uint8_t nPins, I2CAddress i2cAddress) {
-    if (checkNoOverlap(vpin, nPins, i2cAddress)) new Trainbrains02(vpin, nPins, i2cAddress);
-  }
-
-private:  
-  // Constructor
-  Trainbrains02(VPIN vpin, uint8_t nPins, I2CAddress i2cAddress, int interruptPin=-1) 
-    : GPIOBase<uint16_t>((FSH *)F("Trainbrains02"), vpin, nPins, i2cAddress, interruptPin) 
-  {
-    requestBlock.setRequestParams(_I2CAddress, inputBuffer, sizeof(inputBuffer),
-      outputBuffer, sizeof(outputBuffer));
-    
-     outputBuffer[0] = (uint8_t)_I2CAddress; // strips away the mux part.
-     outputBuffer[1] =14;
-     outputBuffer[2] =1;
-     outputBuffer[3] =0;  // This is the channel updated at each poling call
-     outputBuffer[4] =0;
-     outputBuffer[5] =0;
-     outputBuffer[6] =0;
-     outputBuffer[7] =0;
-     outputBuffer[8] =0;
-     outputBuffer[9] =0;
-  }
-  
-  void _writeGpioPort() override {}
-
-  void _readGpioPort(bool immediate) override {
-    // cycle channel on device each time 
-    outputBuffer[3]=channelInProgress+1; // 1-origin 
-    channelInProgress++;
-    if(channelInProgress>=_nPins) channelInProgress=0; 
-    
-    if (immediate) {
-      _processCompletion(I2CManager.read(_I2CAddress, inputBuffer, sizeof(inputBuffer), 
-                                   outputBuffer, sizeof(outputBuffer)));
-    } else {
-      // Queue new request
-      requestBlock.wait(); // Wait for preceding operation to complete
-      // Issue new request to read GPIO register
-      I2CManager.queueRequest(&requestBlock);
-    }
-  }
-
-  // This function is invoked when an I/O operation on the requestBlock completes.
-  void _processCompletion(uint8_t status) override {
-    if (status != I2C_STATUS_OK) inputBuffer[6]=TRACK_UNOCCUPANCY_UNKNOWN;  
-    if (inputBuffer[6] == TRACK_UNOCCUPIED ) _portInputState |=  0x01 <<channelInProgress;
-    else _portInputState &=  ~(0x01 <<channelInProgress);
-  }
-
-  uint8_t channelInProgress=0; 
-  uint8_t outputBuffer[10];
-  uint8_t inputBuffer[10];
-  
-};
-
-#endif

MotorDriver.cpp

@@ -4,7 +4,6 @@
  *  © 2021 Fred Decker
  *  © 2020-2023 Harald Barth
  *  © 2020-2021 Chris Harlow
- *  © 2023 Colin Murdoch
  *  All rights reserved.
  *  
  *  This file is part of CommandStation-EX
@@ -27,18 +26,12 @@
 #include "DCCWaveform.h"
 #include "DCCTimer.h"
 #include "DIAG.h"
-#include "EXRAIL2.h"
 
 unsigned long MotorDriver::globalOverloadStart = 0;
 
 volatile portreg_t shadowPORTA;
 volatile portreg_t shadowPORTB;
 volatile portreg_t shadowPORTC;
-#if defined(ARDUINO_ARCH_STM32)
-volatile portreg_t shadowPORTD;
-volatile portreg_t shadowPORTE;
-volatile portreg_t shadowPORTF;
-#endif
 
 MotorDriver::MotorDriver(int16_t power_pin, byte signal_pin, byte signal_pin2, int16_t brake_pin,
                          byte current_pin, float sense_factor, unsigned int trip_milliamps, int16_t fault_pin) {
@@ -73,21 +66,6 @@ MotorDriver::MotorDriver(int16_t power_pin, byte signal_pin, byte signal_pin2, i
     fastSignalPin.shadowinout = fastSignalPin.inout;
     fastSignalPin.inout = &shadowPORTC;
   }
-  if (HAVE_PORTD(fastSignalPin.inout == &PORTD)) {
-    DIAG(F("Found PORTD pin %d"),signalPin);
-    fastSignalPin.shadowinout = fastSignalPin.inout;
-    fastSignalPin.inout = &shadowPORTD;
-  }
-  if (HAVE_PORTE(fastSignalPin.inout == &PORTE)) {
-    DIAG(F("Found PORTE pin %d"),signalPin);
-    fastSignalPin.shadowinout = fastSignalPin.inout;
-    fastSignalPin.inout = &shadowPORTE;
-  }
-  if (HAVE_PORTF(fastSignalPin.inout == &PORTF)) {
-    DIAG(F("Found PORTF pin %d"),signalPin);
-    fastSignalPin.shadowinout = fastSignalPin.inout;
-    fastSignalPin.inout = &shadowPORTF;
-  }
 
   signalPin2=signal_pin2;
   if (signalPin2!=UNUSED_PIN) {
@@ -111,21 +89,6 @@ MotorDriver::MotorDriver(int16_t power_pin, byte signal_pin, byte signal_pin2, i
       fastSignalPin2.shadowinout = fastSignalPin2.inout;
       fastSignalPin2.inout = &shadowPORTC;
     }
-    if (HAVE_PORTD(fastSignalPin2.inout == &PORTD)) {
-      DIAG(F("Found PORTD pin %d"),signalPin2);
-      fastSignalPin2.shadowinout = fastSignalPin2.inout;
-      fastSignalPin2.inout = &shadowPORTD;
-    }
-    if (HAVE_PORTE(fastSignalPin2.inout == &PORTE)) {
-      DIAG(F("Found PORTE pin %d"),signalPin2);
-      fastSignalPin2.shadowinout = fastSignalPin2.inout;
-      fastSignalPin2.inout = &shadowPORTE;
-    }
-    if (HAVE_PORTF(fastSignalPin2.inout == &PORTF)) {
-      DIAG(F("Found PORTF pin %d"),signalPin2);
-      fastSignalPin2.shadowinout = fastSignalPin2.inout;
-      fastSignalPin2.inout = &shadowPORTF;
-    }
   }
   else dualSignal=false; 
   
@@ -314,7 +277,7 @@ void MotorDriver::startCurrentFromHW() {
 #pragma GCC pop_options
 #endif //ANALOG_READ_INTERRUPT
 
-#if defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_STM32)
+#if defined(ARDUINO_ARCH_ESP32)
 #ifdef VARIABLE_TONES
 uint16_t taurustones[28] = { 165, 175, 196, 220,
 			     247, 262, 294, 330,
@@ -365,7 +328,7 @@ void MotorDriver::setDCSignal(byte speedcode) {
   byte tSpeed=speedcode & 0x7F; // DCC Speed with 0,1 stop and speed steps 2 to 127
   byte tDir=speedcode & 0x80;
   byte brake;
-#if defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_STM32)
+#if defined(ARDUINO_ARCH_ESP32)
   {
     int f = 131;
 #ifdef VARIABLE_TONES
@@ -383,7 +346,7 @@ void MotorDriver::setDCSignal(byte speedcode) {
   else  brake = 2 * (128-tSpeed);
   if (invertBrake)
     brake=255-brake;
-#if defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_STM32)
+#if defined(ARDUINO_ARCH_ESP32)
   DCCTimer::DCCEXanalogWrite(brakePin,brake);
 #else
   analogWrite(brakePin,brake);
@@ -407,24 +370,6 @@ void MotorDriver::setDCSignal(byte speedcode) {
     setSignal(tDir);
     HAVE_PORTC(PORTC=shadowPORTC);
     interrupts();
-  } else if (HAVE_PORTD(fastSignalPin.shadowinout == &PORTD)) {
-    noInterrupts();
-    HAVE_PORTD(shadowPORTD=PORTD);
-    setSignal(tDir);
-    HAVE_PORTD(PORTD=shadowPORTD);
-    interrupts();
-  } else if (HAVE_PORTE(fastSignalPin.shadowinout == &PORTE)) {
-    noInterrupts();
-    HAVE_PORTE(shadowPORTE=PORTE);
-    setSignal(tDir);
-    HAVE_PORTE(PORTE=shadowPORTE);
-    interrupts();
-  } else if (HAVE_PORTF(fastSignalPin.shadowinout == &PORTF)) {
-    noInterrupts();
-    HAVE_PORTF(shadowPORTF=PORTF);
-    setSignal(tDir);
-    HAVE_PORTF(PORTF=shadowPORTF);
-    interrupts();
   } else {
     noInterrupts();
     setSignal(tDir);
@@ -446,13 +391,6 @@ void MotorDriver::throttleInrush(bool on) {
   } else {
     ledcDetachPin(brakePin);
   }
-#elif defined(ARDUINO_ARCH_STM32)
-  if(on) {
-    DCCTimer::DCCEXanalogWriteFrequency(brakePin, 62500);
-    DCCTimer::DCCEXanalogWrite(brakePin,duty);
-  } else {
-    pinMode(brakePin, OUTPUT);
-  }
 #else
   if(on){
     switch(brakePin) {
@@ -605,10 +543,6 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
 	DIAG(F("TRACK %c ALERT FAULT"), trackno + 'A');
       }
       setPower(POWERMODE::ALERT);
-      if ((trackMode & TRACK_MODE_AUTOINV) && (trackMode & (TRACK_MODE_MAIN|TRACK_MODE_EXT|TRACK_MODE_BOOST))){
-	DIAG(F("TRACK %c INVERT"), trackno + 'A');
-	invertOutput();
-      }
       break;
     }
     // all well
@@ -679,11 +613,7 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
       // adjust next wait time
       power_sample_overload_wait *= 2;
       if (power_sample_overload_wait > POWER_SAMPLE_RETRY_MAX)
-	      power_sample_overload_wait = POWER_SAMPLE_RETRY_MAX;
+	power_sample_overload_wait = POWER_SAMPLE_RETRY_MAX;
-  #ifdef EXRAIL_ACTIVE
-      DIAG(F("Calling EXRAIL"));
-      RMFT2::powerEvent(trackno, true); // Tell EXRAIL we have an overload
-  #endif
       // power on test
       DIAG(F("TRACK %c POWER RESTORE (after %4M)"), trackno + 'A', mslpc);
       setPower(POWERMODE::ALERT);

MotorDriver.h

@@ -1,9 +1,9 @@
 /*
- *  © 2022-2023 Paul M. Antoine
+ *  © 2022 Paul M Antoine
  *  © 2021 Mike S
  *  © 2021 Fred Decker
  *  © 2020 Chris Harlow
- *  © 2022,2023 Harald Barth
+ *  © 2022 Harald Barth
  *  All rights reserved.
  *  
  *  This file is part of CommandStation-EX
@@ -28,15 +28,8 @@
 #include "DCCTimer.h"
 
 // use powers of two so we can do logical and/or on the track modes in if clauses.
-// RACK_MODE_DCX is (TRACK_MODE_DC|TRACK_MODE_INV)
-template<class T> inline T operator~ (T a) { return (T)~(int)a; }
-template<class T> inline T operator| (T a, T b) { return (T)((int)a | (int)b); }
-template<class T> inline T operator& (T a, T b) { return (T)((int)a & (int)b); }
-template<class T> inline T operator^ (T a, T b) { return (T)((int)a ^ (int)b); }
 enum TRACK_MODE : byte {TRACK_MODE_NONE = 1, TRACK_MODE_MAIN = 2, TRACK_MODE_PROG = 4,
-                        TRACK_MODE_DC = 8, TRACK_MODE_EXT = 16, TRACK_MODE_BOOST = 32,
+                        TRACK_MODE_DC = 8, TRACK_MODE_DCX = 16, TRACK_MODE_EXT = 32};
-                        TRACK_MODE_ALL = 62, // only to operate all tracks
-                        TRACK_MODE_INV = 64, TRACK_MODE_DCX = 72 /*DC + INV*/, TRACK_MODE_AUTOINV = 128};
 
 #define setHIGH(fastpin)  *fastpin.inout |= fastpin.maskHIGH
 #define setLOW(fastpin)   *fastpin.inout &= fastpin.maskLOW
@@ -67,16 +60,6 @@ enum TRACK_MODE : byte {TRACK_MODE_NONE = 1, TRACK_MODE_MAIN = 2, TRACK_MODE_PRO
 #define HAVE_PORTB(X) X
 #define PORTC GPIOC->ODR
 #define HAVE_PORTC(X) X
-#define PORTD GPIOD->ODR
-#define HAVE_PORTD(X) X
-#if defined(GPIOE)
-#define PORTE GPIOE->ODR
-#define HAVE_PORTE(X) X
-#endif
-#if defined(GPIOF)
-#define PORTF GPIOF->ODR
-#define HAVE_PORTF(X) X
-#endif
 #endif
 
 // if macros not defined as pass-through we define
@@ -91,15 +74,6 @@ enum TRACK_MODE : byte {TRACK_MODE_NONE = 1, TRACK_MODE_MAIN = 2, TRACK_MODE_PRO
 #ifndef HAVE_PORTC
 #define HAVE_PORTC(X) byte TOKENPASTE2(Unique_, __LINE__) __attribute__((unused)) =0
 #endif
-#ifndef HAVE_PORTD
-#define HAVE_PORTD(X) byte TOKENPASTE2(Unique_, __LINE__) __attribute__((unused)) =0
-#endif
-#ifndef HAVE_PORTE
-#define HAVE_PORTE(X) byte TOKENPASTE2(Unique_, __LINE__) __attribute__((unused)) =0
-#endif
-#ifndef HAVE_PORTF
-#define HAVE_PORTF(X) byte TOKENPASTE2(Unique_, __LINE__) __attribute__((unused)) =0
-#endif
 
 // Virtualised Motor shield 1-track hardware Interface
 
@@ -136,9 +110,6 @@ struct FASTPIN {
 extern volatile portreg_t shadowPORTA;
 extern volatile portreg_t shadowPORTB;
 extern volatile portreg_t shadowPORTC;
-extern volatile portreg_t shadowPORTD;
-extern volatile portreg_t shadowPORTE;
-extern volatile portreg_t shadowPORTF;
 
 enum class POWERMODE : byte { OFF, ON, OVERLOAD, ALERT };
 
@@ -155,11 +126,7 @@ class MotorDriver {
     // otherwise the call from interrupt context can undo whatever we do
     // from outside interrupt
     void setBrake( bool on, bool interruptContext=false);
-    __attribute__((always_inline)) inline void setSignal( bool high) {
+  __attribute__((always_inline)) inline void setSignal( bool high) {
-#ifndef ARDUINO_ARCH_ESP32
-      if (invertPhase)
-	high = !high;
-#endif
       if (trackPWM) {
 	DCCTimer::setPWM(signalPin,high);
       }
@@ -179,12 +146,6 @@ class MotorDriver {
 	pinMode(signalPin, OUTPUT);
       else
 	pinMode(signalPin, INPUT);
-      if (signalPin2 != UNUSED_PIN) {
-	if (on)
-	  pinMode(signalPin2, OUTPUT);
-	else
-	  pinMode(signalPin2, INPUT);
-      }
     };
     inline pinpair getSignalPin() { return pinpair(signalPin,signalPin2); };
     void setDCSignal(byte speedByte);
@@ -202,16 +163,16 @@ class MotorDriver {
     unsigned int raw2mA( int raw);
     unsigned int mA2raw( unsigned int mA);
     inline bool brakeCanPWM() {
-#if defined(ARDUINO_ARCH_ESP32)
+#if defined(ARDUINO_ARCH_ESP32) || defined(__arm__)
-      return (brakePin != UNUSED_PIN); // This was just (true) but we probably do need to check for UNUSED_PIN!
+      // TODO: on ARM we can use digitalPinHasPWM, and may wish/need to
-#elif defined(__arm__)
+      return true;
-      // On ARM we can use digitalPinHasPWM
+#else
-      return ((brakePin!=UNUSED_PIN) && (digitalPinHasPWM(brakePin)));
+#ifdef digitalPinToTimer
-#elif defined(digitalPinToTimer)
       return ((brakePin!=UNUSED_PIN) && (digitalPinToTimer(brakePin)));
 #else
       return (brakePin<14 && brakePin >1);
-#endif
+#endif //digitalPinToTimer
+#endif //ESP32/ARM
     }
     inline int getRawCurrentTripValue() {
 	    return rawCurrentTripValue;
@@ -249,32 +210,6 @@ class MotorDriver {
 #endif
   inline void setMode(TRACK_MODE m) {
     trackMode = m;
-    invertOutput(trackMode & TRACK_MODE_INV);
-  };
-  inline void invertOutput() {               // toggles output inversion
-    invertPhase = !invertPhase;
-    invertOutput(invertPhase);
-  };
-  inline void invertOutput(bool b) {         // sets output inverted or not
-    if (b)
-      invertPhase = 1;
-    else
-      invertPhase = 0;
-#if defined(ARDUINO_ARCH_ESP32)
-    pinpair p = getSignalPin();
-    uint32_t *outreg = (uint32_t *)(GPIO_FUNC0_OUT_SEL_CFG_REG + 4*p.pin);
-    if (invertPhase) // set or clear the invert bit in the gpio out register
-      *outreg |=  ((uint32_t)0x1 << GPIO_FUNC0_OUT_INV_SEL_S);
-    else
-      *outreg &= ~((uint32_t)0x1 << GPIO_FUNC0_OUT_INV_SEL_S);
-    if (p.invpin != UNUSED_PIN) {
-      outreg = (uint32_t *)(GPIO_FUNC0_OUT_SEL_CFG_REG + 4*p.invpin);
-      if (invertPhase) // clear or set the invert bit in the gpio out register
-	*outreg &= ~((uint32_t)0x1 << GPIO_FUNC0_OUT_INV_SEL_S);
-      else
-	*outreg |=  ((uint32_t)0x1 << GPIO_FUNC0_OUT_INV_SEL_S);
-    }
-#endif
   };
   inline TRACK_MODE getMode() {
     return trackMode;
@@ -306,7 +241,7 @@ class MotorDriver {
     bool invertBrake;       // brake pin passed as negative means pin is inverted
     bool invertPower;       // power pin passed as negative means pin is inverted
     bool invertFault;       // fault pin passed as negative means pin is inverted
-    bool invertPhase = 0;   // phase of out pin is inverted
+    
     // Raw to milliamp conversion factors avoiding float data types.
     // Milliamps=rawADCreading * sensefactorInternal / senseScale
     //

SerialManager.cpp

@@ -111,15 +111,14 @@ void SerialManager::loop2() {
             bufferLength = 0;
             buffer[0] = '\0';
         }
-        else if  (inCommandPayload) {
+        else if (ch == '>') {
-	  if (bufferLength <  (COMMAND_BUFFER_SIZE-1))
+            buffer[bufferLength] = '\0';
-	    buffer[bufferLength++] = ch;
+            DCCEXParser::parse(serial, buffer, NULL); 
-	  if (ch == '>') {
+            inCommandPayload = false;
-	    buffer[bufferLength] = '\0';
+            break;
-	    DCCEXParser::parse(serial, buffer, NULL); 
+        }
-	    inCommandPayload = false;
+        else if (inCommandPayload) {
-	    break;
+            if (bufferLength <  (COMMAND_BUFFER_SIZE-1)) buffer[bufferLength++] = ch;
-	  }
         }
     }
     

StringFormatter.cpp

@@ -19,7 +19,6 @@
 #include "StringFormatter.h"
 #include <stdarg.h>
 #include "DisplayInterface.h"
-#include "CommandDistributor.h"
 
 bool Diag::ACK=false;
 bool Diag::CMD=false;
@@ -39,28 +38,13 @@ void StringFormatter::diag( const FSH* input...) {
 
 void StringFormatter::lcd(byte row, const FSH* input...) {
   va_list args;
-#ifndef DISABLE_VDPY
-  Print * virtualLCD=CommandDistributor::getVirtualLCDSerial(0,row);
-#else
-  Print * virtualLCD=NULL;
-#endif
-  // Issue the LCD as a diag first
-  // Unless the same serial is asking for the virtual @ respomnse
-  if (virtualLCD!=&USB_SERIAL) {
-    send(&USB_SERIAL,F("<* LCD%d:"),row);
-    va_start(args, input);
-    send2(&USB_SERIAL,input,args);
-    send(&USB_SERIAL,F(" *>\n"));
-  }
 
-#ifndef DISABLE_VDPY
+  // Issue the LCD as a diag first
-  // send to virtual LCD collector (if any) 
+  send(&USB_SERIAL,F("<* LCD%d:"),row);
-  if (virtualLCD) {
+  va_start(args, input);
-    va_start(args, input);
+  send2(&USB_SERIAL,input,args);
-    send2(virtualLCD,input,args);
+  send(&USB_SERIAL,F(" *>\n"));
-    CommandDistributor::commitVirtualLCDSerial();
+  
-  }
-#endif
   DisplayInterface::setRow(row);    
   va_start(args, input);
   send2(DisplayInterface::getDisplayHandler(),input,args);
@@ -69,16 +53,6 @@ void StringFormatter::lcd(byte row, const FSH* input...) {
 void StringFormatter::lcd2(uint8_t display, byte row, const FSH* input...) {
   va_list args;
 
-   // send to virtual LCD collector (if any) 
-#ifndef DISABLE_VDPY
-  Print * virtualLCD=CommandDistributor::getVirtualLCDSerial(display,row);
-  if (virtualLCD) {
-    va_start(args, input);
-    send2(virtualLCD,input,args);
-    CommandDistributor::commitVirtualLCDSerial();
-  }
-#endif
-
   DisplayInterface::setRow(display, row);    
   va_start(args, input);
   send2(DisplayInterface::getDisplayHandler(),input,args);
@@ -143,7 +117,6 @@ void StringFormatter::send2(Print * stream,const FSH* format, va_list args) {
       case 'o': stream->print(va_arg(args, int), OCT); break;
       case 'x': stream->print((unsigned int)va_arg(args, unsigned int), HEX); break;
       case 'X': stream->print((unsigned long)va_arg(args, unsigned long), HEX); break;
-      case 'h': printHex(stream,(unsigned int)va_arg(args, unsigned int)); break;
       case 'M':
       { // this prints a unsigned long microseconds time in readable format
 	unsigned long time = va_arg(args, long);
@@ -245,14 +218,4 @@ void StringFormatter::printPadded(Print* stream, long value, byte width, bool fo
     if (!formatLeft) stream->print(value, DEC);    
   }
 
-// printHex prints the full 2 byte hex with leading zeros, unlike print(value,HEX)
+ 
-const char FLASH hexchars[]="0123456789ABCDEF";
-void StringFormatter::printHex(Print * stream,uint16_t value) {
-    char result[5];
-    for (int i=3;i>=0;i--) {
-      result[i]=GETFLASH(hexchars+(value & 0x0F));
-      value>>=4;
-    }
-    result[4]='\0';
-     stream->print(result);
-}

StringFormatter.h

@@ -49,10 +49,10 @@ class StringFormatter
     static void lcd2(uint8_t display, byte row, const FSH* input...);
     static void printEscapes(char * input);
     static void printEscape( char c);
-    static void printHex(Print * stream,uint16_t value);
 
     private: 
     static void send2(Print * serial, const FSH* input,va_list args);
     static void printPadded(Print* stream, long value, byte width, bool formatLeft);
+
 };
 #endif

TrackManager.cpp

@@ -1,7 +1,6 @@
 /*
  *  © 2022 Chris Harlow
- *  © 2022,2023 Harald Barth
+ *  © 2022 Harald Barth
- *  © 2023 Colin Murdoch
  *  All rights reserved.
  *  
  *  This file is part of DCC++EX
@@ -26,8 +25,7 @@
 #include "MotorDriver.h"
 #include "DCCTimer.h"
 #include "DIAG.h"
-#include "CommandDistributor.h"
+#include"CommandDistributor.h"
-#include "DCCEXParser.h"
 // Virtualised Motor shield multi-track hardware Interface
 #define FOR_EACH_TRACK(t) for (byte t=0;t<=lastTrack;t++)
     
@@ -45,21 +43,17 @@ const int16_t HASH_KEYWORD_DC = 2183;
 const int16_t HASH_KEYWORD_DCX = 6463; // DC reversed polarity 
 const int16_t HASH_KEYWORD_EXT = 8201; // External DCC signal
 const int16_t HASH_KEYWORD_A = 65; // parser makes single chars the ascii.   
-const int16_t HASH_KEYWORD_AUTO = -5457;
-#ifdef BOOSTER_INPUT
-const int16_t HASH_KEYWORD_BOOST = 11269;
-#endif
-const int16_t HASH_KEYWORD_INV = 11857;
 
 MotorDriver * TrackManager::track[MAX_TRACKS];
 int16_t TrackManager::trackDCAddr[MAX_TRACKS];
 
+POWERMODE TrackManager::mainPowerGuess=POWERMODE::OFF;
 byte TrackManager::lastTrack=0;
 bool TrackManager::progTrackSyncMain=false; 
 bool TrackManager::progTrackBoosted=false; 
 int16_t TrackManager::joinRelay=UNUSED_PIN;
 #ifdef ARDUINO_ARCH_ESP32
-byte TrackManager::tempProgTrack=MAX_TRACKS+1; // MAX_TRACKS+1 is the unused flag
+byte TrackManager::tempProgTrack=MAX_TRACKS+1;
 #endif
 
 #ifdef ANALOG_READ_INTERRUPT
@@ -91,7 +85,7 @@ void TrackManager::sampleCurrent() {
   if (!waiting) {
     // look for a valid track to sample or until we are around
     while (true) {
-      if (track[tr]->getMode() & ( TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_BOOST|TRACK_MODE_EXT )) {
+      if (track[tr]->getMode() & ( TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_DCX|TRACK_MODE_EXT )) {
 	track[tr]->startCurrentFromHW();
 	// for scope debug track[1]->setBrake(1);
 	waiting = true;
@@ -159,16 +153,10 @@ void TrackManager::setDCCSignal( bool on) {
   HAVE_PORTA(shadowPORTA=PORTA);
   HAVE_PORTB(shadowPORTB=PORTB);
   HAVE_PORTC(shadowPORTC=PORTC);
-  HAVE_PORTD(shadowPORTD=PORTD);
-  HAVE_PORTE(shadowPORTE=PORTE);
-  HAVE_PORTF(shadowPORTF=PORTF);
   APPLY_BY_MODE(TRACK_MODE_MAIN,setSignal(on));
   HAVE_PORTA(PORTA=shadowPORTA);
   HAVE_PORTB(PORTB=shadowPORTB);
   HAVE_PORTC(PORTC=shadowPORTC);
-  HAVE_PORTD(PORTD=shadowPORTD);
-  HAVE_PORTE(PORTE=shadowPORTE);
-  HAVE_PORTF(PORTF=shadowPORTF);
 }
 
 void TrackManager::setCutout( bool on) {
@@ -183,16 +171,10 @@ void TrackManager::setPROGSignal( bool on) {
   HAVE_PORTA(shadowPORTA=PORTA);
   HAVE_PORTB(shadowPORTB=PORTB);
   HAVE_PORTC(shadowPORTC=PORTC);
-  HAVE_PORTD(shadowPORTD=PORTD);
-  HAVE_PORTE(shadowPORTE=PORTE);
-  HAVE_PORTF(shadowPORTF=PORTF);
   APPLY_BY_MODE(TRACK_MODE_PROG,setSignal(on));
   HAVE_PORTA(PORTA=shadowPORTA);
   HAVE_PORTB(PORTB=shadowPORTB);
   HAVE_PORTC(PORTC=shadowPORTC);
-  HAVE_PORTD(PORTD=shadowPORTD);
-  HAVE_PORTE(PORTE=shadowPORTE);
-  HAVE_PORTF(PORTF=shadowPORTF);
 }
 
 // setDCSignal(), called from normal context
@@ -200,21 +182,18 @@ void TrackManager::setPROGSignal( bool on) {
 // with interrupts turned off around the critical section
 void TrackManager::setDCSignal(int16_t cab, byte speedbyte) {
   FOR_EACH_TRACK(t) {
-    if (trackDCAddr[t]!=cab && cab != 0) continue;
+    if (trackDCAddr[t]!=cab) continue;
-    if (track[t]->getMode() & TRACK_MODE_DC)
+    if (track[t]->getMode()==TRACK_MODE_DC) track[t]->setDCSignal(speedbyte);
-      track[t]->setDCSignal(speedbyte);
+    else if (track[t]->getMode()==TRACK_MODE_DCX) track[t]->setDCSignal(speedbyte ^ 128);
   }
 }    
 
 bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr) {
     if (trackToSet>lastTrack || track[trackToSet]==NULL) return false;
 
-    // Remember track mode we came from for later
-    TRACK_MODE oldmode = track[trackToSet]->getMode();
-
     //DIAG(F("Track=%c Mode=%d"),trackToSet+'A', mode);
     // DC tracks require a motorDriver that can set brake!
-    if (mode & TRACK_MODE_DC) {
+    if (mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) {
 #if defined(ARDUINO_AVR_UNO)
       DIAG(F("Uno has no PWM timers available for DC"));
       return false;
@@ -230,41 +209,25 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
     pinpair p = track[trackToSet]->getSignalPin();
     //DIAG(F("Track=%c remove  pin %d"),trackToSet+'A', p.pin);
     gpio_reset_pin((gpio_num_t)p.pin);
+    pinMode(p.pin, OUTPUT); // gpio_reset_pin may reset to input
     if (p.invpin != UNUSED_PIN) {
       //DIAG(F("Track=%c remove ^pin %d"),trackToSet+'A', p.invpin);
       gpio_reset_pin((gpio_num_t)p.invpin);
+      pinMode(p.invpin, OUTPUT); // gpio_reset_pin may reset to input
     }
-#ifdef BOOSTER_INPUT
-    if (mode & TRACK_MODE_BOOST) {
-      //DIAG(F("Track=%c mode boost pin %d"),trackToSet+'A', p.pin);
-      pinMode(BOOSTER_INPUT, INPUT);
-      gpio_matrix_in(26, SIG_IN_FUNC228_IDX, false); //pads 224 to 228 available as loopback
-      gpio_matrix_out(p.pin, SIG_IN_FUNC228_IDX, false, false);
-      if (p.invpin != UNUSED_PIN) {
-	gpio_matrix_out(p.invpin, SIG_IN_FUNC228_IDX, true /*inverted*/, false);
-      }
-    } else // elseif clause continues
-#endif
-    if (mode & (TRACK_MODE_MAIN | TRACK_MODE_PROG | TRACK_MODE_DC)) {
-      // gpio_reset_pin may reset to input
-      pinMode(p.pin, OUTPUT);
-      if (p.invpin != UNUSED_PIN)
-	pinMode(p.invpin, OUTPUT);
-    }
-
 #endif
 #ifndef DISABLE_PROG
-    if (mode & TRACK_MODE_PROG) {
+    if (mode==TRACK_MODE_PROG) {
 #else
     if (false) {
 #endif
       // only allow 1 track to be prog
       FOR_EACH_TRACK(t)
-	if ( (track[t]->getMode() & TRACK_MODE_PROG) && t != trackToSet) {
+	if (track[t]->getMode()==TRACK_MODE_PROG && t != trackToSet) {
 	  track[t]->setPower(POWERMODE::OFF);
 	  track[t]->setMode(TRACK_MODE_NONE);
 	  track[t]->makeProgTrack(false);     // revoke prog track special handling
-	  streamTrackState(NULL,t);
+    streamTrackState(NULL,t);
 	}
       track[trackToSet]->makeProgTrack(true); // set for prog track special handling
     } else {
@@ -272,25 +235,22 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
     }
     track[trackToSet]->setMode(mode);
     trackDCAddr[trackToSet]=dcAddr;
+    streamTrackState(NULL,trackToSet);
 
     // When a track is switched, we must clear any side effects of its previous 
     // state, otherwise trains run away or just dont move.
 
     // This can be done BEFORE the PWM-Timer evaluation (methinks)
-    if (!(mode & TRACK_MODE_DC)) {
+    if (!(mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX)) {
       // DCC tracks need to have set the PWM to zero or they will not work.
       track[trackToSet]->detachDCSignal();
       track[trackToSet]->setBrake(false);
     }
 
-    // BOOST:
+    // EXT is a special case where the signal pin is
-    //  Leave it as is
+    // turned off. So unless that is set, the signal
-    // otherwise:
+    // pin should be turned on
-    //  EXT is a special case where the signal pin is
+    track[trackToSet]->enableSignal(mode != TRACK_MODE_EXT);
-    //  turned off. So unless that is set, the signal
-    //  pin should be turned on
-    if (!(mode & TRACK_MODE_BOOST))
-      track[trackToSet]->enableSignal(!(mode & TRACK_MODE_EXT));
 
 #ifndef ARDUINO_ARCH_ESP32
     // re-evaluate HighAccuracy mode
@@ -300,7 +260,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
       // DC tracks must not have the DCC PWM switched on
       // so we globally turn it off if one of the PWM
       // capable tracks is now DC or DCX.
-      if (track[t]->getMode() & TRACK_MODE_DC) {
+      if (track[t]->getMode()==TRACK_MODE_DC || track[t]->getMode()==TRACK_MODE_DCX) {
 	if (track[t]->isPWMCapable()) {
 	  canDo=false;    // this track is capable but can not run PWM
 	  break;          // in this mode, so abort and prevent globally below
@@ -308,7 +268,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 	  track[t]->trackPWM=false; // this track sure can not run with PWM
 	  //DIAG(F("Track %c trackPWM 0 (not capable)"), t+'A');
 	}
-      } else if (track[t]->getMode() & (TRACK_MODE_MAIN |TRACK_MODE_PROG)) {
+      } else if (track[t]->getMode()==TRACK_MODE_MAIN || track[t]->getMode()==TRACK_MODE_PROG) {
 	track[t]->trackPWM = track[t]->isPWMCapable(); // trackPWM is still a guess here
 	//DIAG(F("Track %c trackPWM %d"), t+'A', track[t]->trackPWM);
 	canDo &= track[t]->trackPWM;
@@ -326,40 +286,38 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 #else
     // For ESP32 we just reinitialize the DCC Waveform
     DCCWaveform::begin();
-    // setMode() again AFTER Waveform::begin() of ESP32 fixes INVERTED signal
-    track[trackToSet]->setMode(mode);
 #endif
 
     // This block must be AFTER the PWM-Timer modifications
-    if (mode & TRACK_MODE_DC) {
+    if (mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) {
         // DC tracks need to be given speed of the throttle for that cab address
         // otherwise will not match other tracks on same cab.
         // This also needs to allow for inverted DCX
         applyDCSpeed(trackToSet);
     }
 
-    // Turn off power if we changed the mode of this track
+    // Normal running tracks are set to the global power state 
-    if (mode != oldmode)
+    track[trackToSet]->setPower(
-      track[trackToSet]->setPower(POWERMODE::OFF);
+        (mode==TRACK_MODE_MAIN || mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX || mode==TRACK_MODE_EXT) ?
-    streamTrackState(NULL,trackToSet);
+        mainPowerGuess : POWERMODE::OFF);
-
     //DIAG(F("TrackMode=%d"),mode);
     return true; 
 }
 
 void TrackManager::applyDCSpeed(byte t) {
   uint8_t speedByte=DCC::getThrottleSpeedByte(trackDCAddr[t]);
+  if (track[t]->getMode()==TRACK_MODE_DCX)
+    speedByte = speedByte ^ 128; // reverse direction bit
   track[t]->setDCSignal(speedByte);
 }
 
-bool TrackManager::parseEqualSign(Print *stream, int16_t params, int16_t p[])
+bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
 {
     
     if (params==0) { // <=>  List track assignments
         FOR_EACH_TRACK(t)
              streamTrackState(stream,t);
         return true;
-        
     }
     
     p[0]-=HASH_KEYWORD_A;  // convert A... to 0.... 
@@ -380,80 +338,46 @@ bool TrackManager::parseEqualSign(Print *stream, int16_t params, int16_t p[])
 
     if (params==2  && p[1]==HASH_KEYWORD_EXT) // <= id EXT>
         return setTrackMode(p[0],TRACK_MODE_EXT);
-#ifdef BOOSTER_INPUT
-    if (params==2  && p[1]==HASH_KEYWORD_BOOST) // <= id BOOST>
-        return setTrackMode(p[0],TRACK_MODE_BOOST);
-#endif
-    if (params==2  && p[1]==HASH_KEYWORD_AUTO) // <= id AUTO>
-      return setTrackMode(p[0], track[p[0]]->getMode() | TRACK_MODE_AUTOINV);
-
-    if (params==2  && p[1]==HASH_KEYWORD_INV) // <= id AUTO>
-      return setTrackMode(p[0], track[p[0]]->getMode() | TRACK_MODE_INV);
 
     if (params==3  && p[1]==HASH_KEYWORD_DC && p[2]>0) // <= id DC cab>
         return setTrackMode(p[0],TRACK_MODE_DC,p[2]);
     
     if (params==3  && p[1]==HASH_KEYWORD_DCX && p[2]>0) // <= id DCX cab>
-        return setTrackMode(p[0],TRACK_MODE_DC|TRACK_MODE_INV,p[2]);
+        return setTrackMode(p[0],TRACK_MODE_DCX,p[2]);
 
     return false;
 }
 
-const FSH* TrackManager::getModeName(TRACK_MODE tm) {
-  const FSH *modename=F("---");
-  
-  if (tm & TRACK_MODE_MAIN) {
-    if(tm & TRACK_MODE_AUTOINV)
-      modename=F("MAIN A");
-    else if (tm & TRACK_MODE_INV)
-      modename=F("MAIN I>\n");
-    else
-      modename=F("MAIN");
-  }
-#ifndef DISABLE_PROG
-  else if (tm & TRACK_MODE_PROG)
-    modename=F("PROG");
-#endif
-  else if (tm & TRACK_MODE_NONE)
-    modename=F("NONE");
-  else if(tm & TRACK_MODE_EXT)
-    modename=F("EXT");
-  else if(tm & TRACK_MODE_BOOST) {
-        if(tm & TRACK_MODE_AUTOINV)
-      modename=F("B A");
-    else if (tm & TRACK_MODE_INV)
-      modename=F("B I");
-    else
-      modename=F("B");
-  }
-  else if (tm & TRACK_MODE_DC) {
-    if (tm & TRACK_MODE_INV)
-      modename=F("DCX");
-    else
-      modename=F("DC");
-  }
-  return modename;
-}
-
-// null stream means send to commandDistributor for broadcast
 void TrackManager::streamTrackState(Print* stream, byte t) {
-  const FSH *format;
+  // null stream means send to commandDistributor for broadcast
-  
   if (track[t]==NULL) return;
-  TRACK_MODE tm = track[t]->getMode();
+  auto format=F("");
-  if (tm & TRACK_MODE_DC)
+  switch(track[t]->getMode()) {
-    format=F("<= %c %S %d>\n");
+  case TRACK_MODE_MAIN:
-  else
+      format=F("<= %c MAIN>\n");
-    format=F("<= %c %S>\n");
+      break;
-
+#ifndef DISABLE_PROG
-  const FSH *modename=getModeName(tm);
+  case TRACK_MODE_PROG:
-  if (stream) {  // null stream means send to commandDistributor for broadcast
+      format=F("<= %c PROG>\n");
-    StringFormatter::send(stream,format,'A'+t, modename, trackDCAddr[t]);
+      break;
-  } else {
+#endif
-    CommandDistributor::broadcastTrackState(format,'A'+t, modename, trackDCAddr[t]);
+  case TRACK_MODE_NONE:
-    CommandDistributor::broadcastPower();
+      format=F("<= %c NONE>\n");
+      break;
+  case TRACK_MODE_EXT:
+      format=F("<= %c EXT>\n");
+      break;
+  case TRACK_MODE_DC:
+      format=F("<= %c DC %d>\n");
+      break;
+  case TRACK_MODE_DCX:
+      format=F("<= %c DCX %d>\n");
+      break;
+  default:
+      break; // unknown, dont care    
   }
-  
+  if (stream) StringFormatter::send(stream,format,'A'+t,trackDCAddr[t]);
+  else CommandDistributor::broadcastTrackState(format,'A'+t,trackDCAddr[t]);
 }
 
 byte TrackManager::nextCycleTrack=MAX_TRACKS;
@@ -468,13 +392,13 @@ void TrackManager::loop() {
     if (nextCycleTrack>lastTrack) nextCycleTrack=0;
     if (track[nextCycleTrack]==NULL) return;
     MotorDriver * motorDriver=track[nextCycleTrack];
-    bool useProgLimit=dontLimitProg ? false : (bool)(track[nextCycleTrack]->getMode() & TRACK_MODE_PROG);
+    bool useProgLimit=dontLimitProg? false: track[nextCycleTrack]->getMode()==TRACK_MODE_PROG;
     motorDriver->checkPowerOverload(useProgLimit, nextCycleTrack);   
 }
 
 MotorDriver * TrackManager::getProgDriver() {
     FOR_EACH_TRACK(t)
-      if (track[t]->getMode() & TRACK_MODE_PROG) return track[t];
+      if (track[t]->getMode()==TRACK_MODE_PROG) return track[t];
     return NULL;
 } 
 
@@ -482,90 +406,56 @@ MotorDriver * TrackManager::getProgDriver() {
 std::vector<MotorDriver *>TrackManager::getMainDrivers() {
   std::vector<MotorDriver *>  v;
   FOR_EACH_TRACK(t)
-    if (track[t]->getMode() & TRACK_MODE_MAIN) v.push_back(track[t]);
+    if (track[t]->getMode()==TRACK_MODE_MAIN) v.push_back(track[t]);
   return v;
 }
 #endif
 
-// Set track power for all tracks with this mode
+void TrackManager::setPower2(bool setProg,POWERMODE mode) {
-void TrackManager::setTrackPower(TRACK_MODE trackmodeToMatch, POWERMODE powermode) {
+    if (!setProg) mainPowerGuess=mode; 
-  FOR_EACH_TRACK(t) {
+    FOR_EACH_TRACK(t) {
-    MotorDriver *driver=track[t];
+        MotorDriver * driver=track[t]; 
-    TRACK_MODE trackmodeOfTrack = driver->getMode();
+        if (!driver) continue; 
-    if (trackmodeToMatch & trackmodeOfTrack) {
+        switch (track[t]->getMode()) {
-      if (powermode == POWERMODE::ON) {
+            case TRACK_MODE_MAIN:
-	if (trackmodeOfTrack & TRACK_MODE_DC) {
+                if (setProg) break; 
-	  driver->setBrake(true);   // DC starts with brake on
+                // toggle brake before turning power on - resets overcurrent error
-	  applyDCSpeed(t);          // speed match DCC throttles
+                // on the Pololu board if brake is wired to ^D2.
-	} else {
+		// XXX see if we can make this conditional
-	  // toggle brake before turning power on - resets overcurrent error
+                driver->setBrake(true);
-	  // on the Pololu board if brake is wired to ^D2.
+                driver->setBrake(false); // DCC runs with brake off
-	  driver->setBrake(true);
+                driver->setPower(mode);  
-	  driver->setBrake(false); // DCC runs with brake off
+                break; 
-	}
+            case TRACK_MODE_DC:
-      }
+            case TRACK_MODE_DCX:
-      driver->setPower(powermode);
+                if (setProg) break; 
+                driver->setBrake(true); // DC starts with brake on
+                applyDCSpeed(t);        // speed match DCC throttles
+                driver->setPower(mode);
+                break;  
+            case TRACK_MODE_PROG:
+                if (!setProg) break; 
+                driver->setBrake(true);
+                driver->setBrake(false);
+                driver->setPower(mode);
+                break;  
+            case TRACK_MODE_EXT:
+	        driver->setBrake(true);
+	        driver->setBrake(false);
+		driver->setPower(mode);
+	        break;
+            case TRACK_MODE_NONE:
+                break;
+        }
     }
-  }
 }
   
-// Set track power for this track, inependent of mode
-void TrackManager::setTrackPower(POWERMODE powermode, byte t) {
-  MotorDriver *driver=track[t]; 
-  TRACK_MODE trackmode = driver->getMode();
-  if (trackmode & TRACK_MODE_NONE) {
-    driver->setBrake(true);     // Track is unused. Brake is good to have.
-    powermode = POWERMODE::OFF; // Track is unused. Force it to OFF
-  } else if (trackmode & TRACK_MODE_DC) { // includes inverted DC (called DCX)
-    if (powermode == POWERMODE::ON) {
-      driver->setBrake(true);   // DC starts with brake on
-      applyDCSpeed(t);          // speed match DCC throttles
-    }
-  } else /* MAIN PROG EXT BOOST */ {
-    if (powermode == POWERMODE::ON) {
-      // toggle brake before turning power on - resets overcurrent error
-      // on the Pololu board if brake is wired to ^D2.
-      driver->setBrake(true);
-      driver->setBrake(false); // DCC runs with brake off
-    }
-  }
-  driver->setPower(powermode);
-}
-
-// returns state of the one and only prog track
 POWERMODE TrackManager::getProgPower() {
-  FOR_EACH_TRACK(t)
+    FOR_EACH_TRACK(t)
-    if (track[t]->getMode() & TRACK_MODE_PROG)
+      if (track[t]->getMode()==TRACK_MODE_PROG) 
-      return track[t]->getPower(); // optimize: there is max one prog track
+	return track[t]->getPower();
-  return POWERMODE::OFF;
+    return POWERMODE::OFF;   
-}
-
-// returns on if all are on. returns off otherwise
-POWERMODE TrackManager::getMainPower() {
-  POWERMODE result = POWERMODE::OFF;
-  FOR_EACH_TRACK(t) {
-    if (track[t]->getMode() & TRACK_MODE_MAIN) {
-      POWERMODE p = track[t]->getPower();
-      if (p == POWERMODE::OFF)
-	return POWERMODE::OFF; // done and out
-      if (p == POWERMODE::ON)
-	result = POWERMODE::ON;
-    }
   }
-  return result;
-}
-
-bool TrackManager::getPower(byte t, char s[]) {
-  if (t > lastTrack)
-    return false;
-  if (track[t]) {
-    s[0] = track[t]->getPower() == POWERMODE::ON ? '1' : '0';
-    s[2] = t + 'A';
-    return true;
-  }
-  return false;
-}
-
 
 void TrackManager::reportObsoleteCurrent(Print* stream) {
   // This function is for backward JMRI compatibility only
@@ -607,7 +497,7 @@ void TrackManager::setJoin(bool joined) {
 #ifdef ARDUINO_ARCH_ESP32
   if (joined) {
     FOR_EACH_TRACK(t) {
-      if (track[t]->getMode() & TRACK_MODE_PROG) {
+      if (track[t]->getMode()==TRACK_MODE_PROG) {
 	tempProgTrack = t;
 	setTrackMode(t, TRACK_MODE_MAIN);
 	break;
@@ -615,12 +505,7 @@ void TrackManager::setJoin(bool joined) {
     }
   } else {
     if (tempProgTrack != MAX_TRACKS+1) {
-      // as setTrackMode with TRACK_MODE_PROG defaults to
-      // power off, we will take the current power state
-      // of our track and then preserve that state.
-      POWERMODE tPTmode = track[tempProgTrack]->getPower(); //get current power status of this track
       setTrackMode(tempProgTrack, TRACK_MODE_PROG);
-      track[tempProgTrack]->setPower(tPTmode);              //set track status as it was before
       tempProgTrack = MAX_TRACKS+1;
     }
   }
@@ -628,24 +513,3 @@ void TrackManager::setJoin(bool joined) {
   progTrackSyncMain=joined;
   if (joinRelay!=UNUSED_PIN) digitalWrite(joinRelay,joined?HIGH:LOW);
 }
-
-bool TrackManager::isPowerOn(byte t) {
-      if (track[t]->getPower()!=POWERMODE::ON) 
-	        return false;
-    return true;   
-  }
-
-bool TrackManager::isProg(byte t) {
-    if (track[t]->getMode() & TRACK_MODE_PROG)
-        return true;
-    return false;
-}
-
-TRACK_MODE TrackManager::getMode(byte t) {
-    return (track[t]->getMode());
-}
-
-int16_t TrackManager::returnDCAddr(byte t) {
-    return (trackDCAddr[t]);
-}
-

TrackManager.h

@@ -1,8 +1,6 @@
 /*
  *  © 2022 Chris Harlow
  *  © 2022 Harald Barth
- *  © 2023 Colin Murdoch
- * 
  *  All rights reserved.
  *  
  *  This file is part of CommandStation-EX
@@ -39,10 +37,6 @@ const byte TRACK_NUMBER_5=5, TRACK_NUMBER_F=5;
 const byte TRACK_NUMBER_6=6, TRACK_NUMBER_G=6;    
 const byte TRACK_NUMBER_7=7, TRACK_NUMBER_H=7;    
 
-// These constants help EXRAIL macros convert Track Power e.g. SET_POWER(A ON|OFF).
-const byte TRACK_POWER_0=0, TRACK_POWER_OFF=0;    
-const byte TRACK_POWER_1=1, TRACK_POWER_ON=1;   
-
 class TrackManager {
   public:
     static void Setup(const FSH * shieldName,
@@ -62,39 +56,27 @@ class TrackManager {
     static void setDCSignal(int16_t cab, byte speedbyte);
     static MotorDriver * getProgDriver();
 #ifdef ARDUINO_ARCH_ESP32
-    static std::vector<MotorDriver *>getMainDrivers();
+  static std::vector<MotorDriver *>getMainDrivers();
 #endif
-  
+    static void setPower2(bool progTrack,POWERMODE mode);
     static void setPower(POWERMODE mode) {setMainPower(mode); setProgPower(mode);}
-    static void setTrackPower(POWERMODE mode, byte t);
+    static void setMainPower(POWERMODE mode) {setPower2(false,mode);}
-    static void setTrackPower(TRACK_MODE trackmode, POWERMODE powermode);
+    static void setProgPower(POWERMODE mode) {setPower2(true,mode);}
-    static void setMainPower(POWERMODE mode) {setTrackPower(TRACK_MODE_MAIN, mode);}
-    static void setProgPower(POWERMODE mode) {setTrackPower(TRACK_MODE_PROG, mode);}
 
     static const int16_t MAX_TRACKS=8;
     static bool setTrackMode(byte track, TRACK_MODE mode, int16_t DCaddr=0);
-    static bool parseEqualSign(Print * stream,  int16_t params, int16_t p[]);
+    static bool parseJ(Print * stream,  int16_t params, int16_t p[]);
     static void loop();
-    static POWERMODE getMainPower();
+    static POWERMODE getMainPower() {return mainPowerGuess;}
     static POWERMODE getProgPower();
-    static inline POWERMODE getPower(byte t) { return track[t]->getPower(); }
-    static bool getPower(byte t, char s[]);
     static void setJoin(bool join);
     static bool isJoined() { return progTrackSyncMain;}
-    static inline bool isActive (byte tr) {
-      if (tr > lastTrack) return false;
-      return track[tr]->getMode() & (TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_BOOST|TRACK_MODE_EXT);}
     static void setJoinRelayPin(byte joinRelayPin);
     static void sampleCurrent();
     static void reportGauges(Print* stream);
     static void reportCurrent(Print* stream);
     static void reportObsoleteCurrent(Print* stream); 
     static void streamTrackState(Print* stream, byte t);
-    static bool isPowerOn(byte t);
-    static bool isProg(byte t);
-    static TRACK_MODE getMode(byte t);
-    static int16_t returnDCAddr(byte t);
-    static const FSH* getModeName(TRACK_MODE Mode);
 
     static int16_t joinRelay;
     static bool progTrackSyncMain;  // true when prog track is a siding switched to main
@@ -111,9 +93,10 @@ class TrackManager {
     static void addTrack(byte t, MotorDriver* driver);
     static byte lastTrack;
     static byte nextCycleTrack;
+    static POWERMODE mainPowerGuess;
     static void applyDCSpeed(byte t);
 
-    static int16_t trackDCAddr[MAX_TRACKS];  // dc address if TRACK_MODE_DC
+    static int16_t trackDCAddr[MAX_TRACKS];  // dc address if TRACK_MODE_DC or TRACK_MODE_DCX
 #ifdef ARDUINO_ARCH_ESP32
     static byte tempProgTrack; // holds the prog track number during join
 #endif

Turntables.cpp

@@ -1,268 +0,0 @@
-/*
- *  © 2023 Peter Cole
- *  All rights reserved.
- *  
- *  This file is part of CommandStation-EX
- *
- *  This is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  It is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "defines.h"
-#include <Arduino.h>
-#include "Turntables.h"
-#include "StringFormatter.h"
-#include "CommandDistributor.h"
-#include "EXRAIL2.h"
-#include "DCC.h"
-
-// No turntable support without HAL
-#ifndef IO_NO_HAL
-
-/*
- * Protected static data
- */
-Turntable *Turntable::_firstTurntable = 0;
-
-
-/*
- * Public static data
- */
-int Turntable::turntablelistHash = 0;
-
-
-/*
- * Protected static functions
- */
-// Add new turntable to end of list
-
-void Turntable::add(Turntable *tto) {
-  if (!_firstTurntable) {
-    _firstTurntable = tto;
-  } else {
-    Turntable *ptr = _firstTurntable;
-    for ( ; ptr->_nextTurntable!=0; ptr=ptr->_nextTurntable) {}
-    ptr->_nextTurntable = tto;
-  }
-  turntablelistHash++;
-}
-
-// Add a position
-void Turntable::addPosition(uint8_t idx, uint16_t value, uint16_t angle) {
-  _turntablePositions.insert(idx, value, angle);
-}
-
-// Get value for position
-uint16_t Turntable::getPositionValue(uint8_t position) {
-  TurntablePosition* currentPosition = _turntablePositions.getHead();
-  while (currentPosition) {
-    if (currentPosition->index == position) {
-      return currentPosition->data;
-    }
-    currentPosition = currentPosition->next;
-  }
-  return false;
-}
-
-// Get value for position
-uint16_t Turntable::getPositionAngle(uint8_t position) {
-  TurntablePosition* currentPosition = _turntablePositions.getHead();
-  while (currentPosition) {
-    if (currentPosition->index == position) {
-      return currentPosition->angle;
-    }
-    currentPosition = currentPosition->next;
-  }
-  return false;
-}
-
-// Get the count of positions associated with the turntable
-uint8_t Turntable::getPositionCount()  {
-  TurntablePosition* currentPosition = _turntablePositions.getHead();
-  uint8_t count = 0;
-  while (currentPosition) {
-    count++;
-    currentPosition = currentPosition->next;
-  }
-  return count;
-}
-
-/*
- * Public static functions
- */
-// Find turntable from list
-Turntable *Turntable::get(uint16_t id) {
-  for (Turntable *tto = _firstTurntable; tto != nullptr; tto = tto->_nextTurntable)
-    if (tto->_turntableData.id == id) return tto;
-  return NULL;
-}
-
-// Find turntable via Vpin
-Turntable *Turntable::getByVpin(VPIN vpin) {
-  for (Turntable *tto = _firstTurntable; tto != nullptr; tto = tto->_nextTurntable) {
-    if (tto->isEXTT()) {
-      EXTTTurntable *exttTto = static_cast<EXTTTurntable*>(tto);
-      if (exttTto->getVpin() == vpin) {
-        return tto;
-      }
-    }
-  }
-  return nullptr;
-}
-
-// Get the current position for turntable with the specified ID
-uint8_t Turntable::getPosition(uint16_t id) {
-  Turntable *tto = get(id);
-  if (!tto) return false;
-  return tto->getPosition();
-}
-
-// Got the moving state of the specified turntable
-bool Turntable::ttMoving(uint16_t id) {
-  Turntable *tto = get(id);
-  if (!tto) return false;
-  return tto->isMoving();
-}
-
-// Initiate a turntable move
-bool Turntable::setPosition(uint16_t id, uint8_t position, uint8_t activity) {
-#if defined(DIAG_IO)
-  DIAG(F("Rotate turntable %d to position %d, activity %d)"), id, position, activity);
-#endif
-  Turntable *tto = Turntable::get(id);
-  if (!tto) return false;
-  if (tto->isMoving()) return false;
-  bool ok = tto->setPositionInternal(position, activity);
-
-  if (ok) {
-    // We only deal with broadcasts for DCC turntables here, EXTT in the device driver
-    if (!tto->isEXTT()) {
-      CommandDistributor::broadcastTurntable(id, position, false);
-    }
-    // Trigger EXRAIL rotateEvent for both types here if changed
-#if defined(EXRAIL_ACTIVE)
-    bool rotated = false;
-    if (position != tto->_previousPosition) rotated = true;
-    RMFT2::rotateEvent(id, rotated);
-#endif
-  }
-  return ok;
-}
-
-/*************************************************************************************
- * EXTTTurntable - EX-Turntable device.
- * 
- *************************************************************************************/
-// Private constructor
-EXTTTurntable::EXTTTurntable(uint16_t id, VPIN vpin) :
-  Turntable(id, TURNTABLE_EXTT)
-{
-  _exttTurntableData.vpin = vpin;
-}
-
-using DevState = IODevice::DeviceStateEnum;
-
-// Create function
-  Turntable *EXTTTurntable::create(uint16_t id, VPIN vpin) {
-#ifndef IO_NO_HAL
-    Turntable *tto = get(id);
-    if (tto) {
-      if (tto->isType(TURNTABLE_EXTT)) {
-        EXTTTurntable *extt = (EXTTTurntable *)tto;
-        extt->_exttTurntableData.vpin = vpin;
-        return tto;
-      }
-    }
-    if (!IODevice::exists(vpin)) return nullptr;
-    if (IODevice::getStatus(vpin) == DevState::DEVSTATE_FAILED) return nullptr;
-    if (Turntable::getByVpin(vpin)) return nullptr;
-    tto = (Turntable *)new EXTTTurntable(id, vpin);
-    DIAG(F("Turntable 0x%x size %d size %d"), tto, sizeof(Turntable), sizeof(struct TurntableData));
-    return tto;
-#else
-  (void)id;
-  (void)vpin;
-  return NULL;
-#endif
-  }
-
-  void EXTTTurntable::print(Print *stream) {
-    StringFormatter::send(stream, F("<i %d EXTURNTABLE %d>\n"), _turntableData.id, _exttTurntableData.vpin);
-  }
-
-  // EX-Turntable specific code for moving to the specified position
-  bool EXTTTurntable::setPositionInternal(uint8_t position, uint8_t activity) {
-#ifndef IO_NO_HAL
-    int16_t value;
-    if (position == 0) {
-      value = 0;  // Position 0 is just to send activities
-    } else {
-      if (activity > 1) return false; // If sending a position update, only phase changes valid (0|1)
-      value = getPositionValue(position); // Get position value from position list
-    }
-    if (position > 0 && !value) return false; // Return false if it's not a valid position
-    // Set position via device driver
-    _previousPosition = _turntableData.position;
-    _turntableData.position = position;
-    EXTurntable::writeAnalogue(_exttTurntableData.vpin, value, activity);
-#else
-    (void)position;
-#endif
-    return true;
-  }
-
-/*************************************************************************************
- * DCCTurntable - DCC Turntable device.
- * 
- *************************************************************************************/
-// Private constructor
-DCCTurntable::DCCTurntable(uint16_t id) : Turntable(id, TURNTABLE_DCC) {}
-
-// Create function
-  Turntable *DCCTurntable::create(uint16_t id) {
-#ifndef IO_NO_HAL
-    Turntable *tto = get(id);
-    if (!tto) {
-      tto = (Turntable *)new DCCTurntable(id);
-      DIAG(F("Turntable 0x%x size %d size %d"), tto, sizeof(Turntable), sizeof(struct TurntableData));
-    }
-    return tto;
-#else
-  (void)id;
-  return NULL;
-#endif
-  }
-
-  void DCCTurntable::print(Print *stream) {
-    StringFormatter::send(stream, F("<i %d DCCTURNTABLE>\n"), _turntableData.id);
-  }
-
-  // EX-Turntable specific code for moving to the specified position
-  bool DCCTurntable::setPositionInternal(uint8_t position, uint8_t activity) {
-#ifndef IO_NO_HAL
-    int16_t value = getPositionValue(position);
-    if (position == 0 || !value) return false; // Return false if it's not a valid position
-    // Set position via device driver
-    int16_t addr=value>>3;
-    int16_t subaddr=(value>>1) & 0x03;
-    bool active=value & 0x01;
-    _previousPosition = _turntableData.position;
-    _turntableData.position = position;
-    DCC::setAccessory(addr, subaddr, active);
-#else
-    (void)position;
-#endif
-    return true;
-  }
-
-#endif

Turntables.h

@@ -1,243 +0,0 @@
-/*
- *  © 2023 Peter Cole
- *  All rights reserved.
- *  
- *  This file is part of CommandStation-EX
- *
- *  This is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  It is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#ifndef TURNTABLES_H
-#define TURNTABLES_H
-
-#include <Arduino.h>
-#include "IODevice.h"
-#include "StringFormatter.h"
-
-// No turntable support without HAL
-#ifndef IO_NO_HAL
-
-// Turntable type definitions
-// EXTT = EX-Turntable
-// DCC = DCC accessory turntables - to be added later
-enum {
-  TURNTABLE_EXTT = 0,
-  TURNTABLE_DCC = 1,
-};
-
-/*************************************************************************************
- * Turntable positions.
- * 
- *************************************************************************************/
-struct TurntablePosition {
-  uint8_t index;
-  uint16_t data;
-  uint16_t angle;
-  TurntablePosition* next;
-  
-  TurntablePosition(uint8_t idx, uint16_t value, uint16_t angle) : index(idx), data(value), angle(angle), next(nullptr) {}
-};
-
-class TurntablePositionList {
-public:
-  TurntablePositionList() : head(nullptr) {}
-
-  void insert(uint8_t idx, uint16_t value, uint16_t angle) {
-    TurntablePosition* newPosition = new TurntablePosition(idx, value, angle);
-    if(!head) {
-      head = newPosition;
-    } else {
-      newPosition->next = head;
-      head = newPosition;
-    }
-  }
-
-  TurntablePosition* getHead() {
-    return head;
-  }
-
-private:
-  TurntablePosition* head;
-
-};
-
-
-/*************************************************************************************
- * Turntable - Base class for turntables.
- * 
- *************************************************************************************/
-
-class Turntable {
-protected:
-  /*
-   * Object data
-   */
-
-  //  Data common to all turntable types
-  struct TurntableData {
-    union {
-      struct {
-        bool hidden : 1;
-        bool turntableType : 1;
-        uint8_t position : 6;       // Allows up to 63 positions including 0/home
-      };
-      uint8_t flags;
-    };
-    uint16_t id;
-  } _turntableData;
-
-  // Pointer to next turntable object
-  Turntable *_nextTurntable = 0;
-
-  // Linked list for positions
-  TurntablePositionList _turntablePositions;
-  
-  // Store the previous position to allow checking for changes
-  uint8_t _previousPosition = 0;
-
-  // Store the current state of the turntable
-  bool _isMoving = false;
-
-  /*
-   * Constructor
-   */
-  Turntable(uint16_t id, uint8_t turntableType) {
-    _turntableData.id = id;
-    _turntableData.turntableType = turntableType;
-    _turntableData.hidden = false;
-    _turntableData.position = 0;
-    add(this);
-  }
-
-  /*
-   * Static data
-   */
-  static Turntable *_firstTurntable;
-  static int _turntablelistHash;
-
-  /*
-   * Virtual functions
-   */
-  virtual bool setPositionInternal(uint8_t position, uint8_t activity) = 0;
-
-  /*
-   * Static functions
-   */
-  static void add(Turntable *tto);
-
-public:
-  static Turntable *get(uint16_t id);
-  static Turntable *getByVpin(VPIN vpin);
-
-  /*
-   * Static data
-   */
-  static int turntablelistHash;
-
-  /*
-   * Public base class functions
-   */
-  inline uint8_t getPosition() { return _turntableData.position; }
-  inline bool isHidden() { return _turntableData.hidden; }
-  inline void setHidden(bool h) {_turntableData.hidden=h; }
-  inline bool isType(uint8_t type) { return _turntableData.turntableType == type; }
-  inline bool isEXTT() const { return _turntableData.turntableType == TURNTABLE_EXTT; }
-  inline uint16_t getId() { return _turntableData.id; }
-  inline Turntable *next() { return _nextTurntable; }
-  void printState(Print *stream);
-  void addPosition(uint8_t idx, uint16_t value, uint16_t angle);
-  uint16_t getPositionValue(uint8_t position);
-  uint16_t getPositionAngle(uint8_t position);
-  uint8_t getPositionCount();
-  bool isMoving() { return _isMoving; }
-  void setMoving(bool moving) { _isMoving=moving; }
-
-  /*
-   * Virtual functions
-   */
-  virtual void print(Print *stream) {
-    (void)stream; // suppress compiler warnings
-  }
-  virtual ~Turntable() {} // Destructor
-  
-
-  /*
-   * Public static functions
-   */
-  inline static bool exists(uint16_t id) { return get(id) != 0; }
-  static bool setPosition(uint16_t id, uint8_t position, uint8_t activity=0);
-  static uint8_t getPosition(uint16_t id);
-  static bool ttMoving(uint16_t id);
-  inline static Turntable *first() { return _firstTurntable; }
-  static bool printAll(Print *stream) {
-    bool gotOne = false;
-    for (Turntable *tto = _firstTurntable; tto != 0; tto = tto->_nextTurntable)
-      if (!tto->isHidden()) {
-        gotOne = true;
-        StringFormatter::send(stream, F("<I %d %d>\n"), tto->getId(), tto->getPosition());
-      }
-    return gotOne;
-  }
-
-};
-
-/*************************************************************************************
- * EXTTTurntable - EX-Turntable device.
- * 
- *************************************************************************************/
-class EXTTTurntable : public Turntable {
-private:
-  // EXTTTurntableData contains device specific data
-  struct EXTTTurntableData {
-    VPIN vpin;
-  } _exttTurntableData;
-
-  // Constructor
-  EXTTTurntable(uint16_t id, VPIN vpin);
-
-public:
-  // Create function
-  static Turntable *create(uint16_t id, VPIN vpin);
-  void print(Print *stream) override;
-  VPIN getVpin() const { return _exttTurntableData.vpin; }
-
-protected:
-  // EX-Turntable specific code for setting position
-  bool setPositionInternal(uint8_t position, uint8_t activity) override;
-
-};
-
-/*************************************************************************************
- * DCCTurntable - DCC accessory Turntable device.
- * 
- *************************************************************************************/
-class DCCTurntable : public Turntable {
-private:
-  // Constructor
-  DCCTurntable(uint16_t id);
-
-public:
-  // Create function
-  static Turntable *create(uint16_t id);
-  void print(Print *stream) override;
-
-protected:
-  // DCC specific code for setting position
-  bool setPositionInternal(uint8_t position, uint8_t activity=0) override;
-
-};
-
-#endif
-
-#endif

WifiESP32.cpp

@@ -163,9 +163,7 @@ bool WifiESP::setup(const char *SSid,
       delay(500);
     }
     if (WiFi.status() == WL_CONNECTED) {
-      // DIAG(F("Wifi STA IP %s"),WiFi.localIP().toString().c_str());
+      DIAG(F("Wifi STA IP %s"),WiFi.localIP().toString().c_str());
-      DIAG(F("Wifi in STA mode"));
-      LCD(7, F("IP: %s"), WiFi.softAPIP().toString().c_str());
       wifiUp = true;
     } else {
       DIAG(F("Could not connect to Wifi SSID %s"),SSid);
@@ -211,12 +209,8 @@ bool WifiESP::setup(const char *SSid,
     if (WiFi.softAP(strSSID.c_str(),
 		    havePassword ? password : strPass.c_str(),
 		    channel, false, 8)) {
-      // DIAG(F("Wifi AP SSID %s PASS %s"),strSSID.c_str(),havePassword ? password : strPass.c_str());
+      DIAG(F("Wifi AP SSID %s PASS %s"),strSSID.c_str(),havePassword ? password : strPass.c_str());
-      DIAG(F("Wifi in AP mode"));
+      DIAG(F("Wifi AP IP %s"),WiFi.softAPIP().toString().c_str());
-      LCD(5, F("Wifi: %s"), strSSID.c_str());
-      LCD(6, F("PASS: %s"),havePassword ? password : strPass.c_str());
-      // DIAG(F("Wifi AP IP %s"),WiFi.softAPIP().toString().c_str());
-      LCD(7, F("IP: %s"),WiFi.softAPIP().toString().c_str());
       wifiUp = true;
       APmode = true;
     } else {

WifiInterface.cpp

@@ -200,23 +200,7 @@ wifiSerialState WifiInterface::setup2(const FSH* SSid, const FSH* password,
 
   // Display the AT version information
   StringFormatter::send(wifiStream, F("AT+GMR\r\n")); 
-  if (checkForOK(2000, F("AT version:"), true, false)) {
+  checkForOK(2000, true, false);      // Makes this visible on the console
-    char version[] = "0.0.0.0-xxx";
-    for (int i=0; i<11;i++) {
-      while(!wifiStream->available());
-      version[i]=wifiStream->read();
-      StringFormatter::printEscape(version[i]);
-    }
-    if ((version[0] == '0') ||
-	(version[0] == '2' && version[2] == '0') ||
-	(version[0] == '2' && version[2] == '2' && version[4] == '0' && version[6] == '0'
-	 && version[7] == '-' && version[8] == 'd' && version[9] == 'e' && version[10] == 'v')) {
-      DIAG(F("You need to up/downgrade the ESP firmware"));
-      SSid = F("UPDATE_ESP_FIRMWARE");
-      forceAP = true;
-    }
-  }
-  checkForOK(2000, true, false);
 
 #ifdef DONT_TOUCH_WIFI_CONF
   DIAG(F("DONT_TOUCH_WIFI_CONF was set: Using existing config"));

config.example.h

@@ -167,14 +167,6 @@ The configuration file for DCC-EX Command Station
 //  *  #define SCROLLMODE 2 is by row (move up 1 row at a time).
 #define SCROLLMODE 1
 
-// In order to avoid wasting memory the current scroll buffer is limited
-// to 8 lines.  Some users wishing to display additional information
-// such as TrackManager power states have requested additional rows aware
-// of the warning that this will take extra RAM.  if you wish to include additional rows
-// uncomment the following #define and set the number of lines you need.
-//#define MAX_CHARACTER_ROWS 12
-
-
 /////////////////////////////////////////////////////////////////////////////////////
 // DISABLE EEPROM
 //
@@ -199,18 +191,6 @@ The configuration file for DCC-EX Command Station
 //
 // #define DISABLE_PROG
 
-/////////////////////////////////////////////////////////////////////////////////////
-// DISABLE / ENABLE VDPY
-//
-// The Virtual display "VDPY" feature is by default enabled everywhere
-// but on Uno and Nano. If you think you can fit it (for example
-// having disabled some of the features above) you can enable it with
-// ENABLE_VDPY. You can even disable it on all other CPUs with
-// DISABLE_VDPY
-//
-// #define DISABLE_VDPY
-// #define ENABLE_VDPY
-
 /////////////////////////////////////////////////////////////////////////////////////
 // REDEFINE WHERE SHORT/LONG ADDR break is. According to NMRA the last short address
 // is 127 and the first long address is 128. There are manufacturers which have
@@ -286,12 +266,6 @@ The configuration file for DCC-EX Command Station
 //
 //#define SERIAL_BT_COMMANDS
 
-// BOOSTER PIN INPUT ON ESP32
-// On ESP32 you have the possibility to define a pin as booster input
-// Arduio pin D2 is GPIO 26 on ESPDuino32
-//
-//#define BOOSTER_INPUT 26
-
 // SABERTOOTH
 //
 // This is a very special option and only useful if you happen to have a

defines.h

@@ -144,9 +144,9 @@
     #define DISABLE_EEPROM
   #endif
   // STM32 support for native I2C is awaiting development 
-  // #ifndef I2C_USE_WIRE
+  #ifndef I2C_USE_WIRE
-  // #define I2C_USE_WIRE
+  #define I2C_USE_WIRE
-  // #endif
+  #endif
 
 /* TODO when ready 
 #elif defined(ARDUINO_ARCH_RP2040)
@@ -213,18 +213,6 @@
 //
 #define WIFI_SERIAL_LINK_SPEED 115200
 
-////////////////////////////////////////////////////////////////////////////////
-//
-// Define symbol IO_NO_HAL to reduce FLASH footprint when HAL features not required
-// The HAL is disabled by default on Nano and Uno platforms, because of limited flash space.
-// 
-#if defined(ARDUINO_AVR_NANO) || defined(ARDUINO_AVR_UNO)
-#define IO_NO_HAL // HAL too big whatever you disable otherwise
-#ifndef ENABLE_VDPY
-#define DISABLE_VDPY
-#endif
-#endif
-
 #if __has_include ( "myAutomation.h")
   #if defined(HAS_ENOUGH_MEMORY) || defined(DISABLE_EEPROM) || defined(DISABLE_PROG)
     #define EXRAIL_ACTIVE

myHal.cpp_example.txt

@@ -24,7 +24,6 @@
 //#include "IO_TouchKeypad.h  // Touch keypad with 16 keys
 //#include "IO_EXTurntable.h"   // Turntable-EX turntable controller
 //#include "IO_EXFastClock.h"  // FastClock driver
-//#include "IO_PCA9555.h"     // 16-bit I/O expander (NXP & Texas Instruments).
 //#include "IO_CMRI.h"      //  CMRI nodes
 
 //==========================================================================
@@ -92,7 +91,7 @@ void halSetup() {
   // Create a 20x4 LCD display device as display number 2 
   // (line 0 is written by EX-RAIL 'SCREEN(2, 0, "text")').
 
-  // HALDisplay<LiquidCrystal>::create(2, 0x27, 20, 4);
+  // HALDisplay<LiquidCrystal>(2, 0x27, 20, 4);
 
 
   //=======================================================================

platformio.ini

@@ -30,7 +30,8 @@ include_dir = .
 
 [env]
 build_flags = -Wall -Wextra
-; monitor_filters = time
+monitor_filters = time
+; lib_deps = adafruit/Adafruit ST7735 and ST7789 Library @ ^1.10.0
 
 [env:samd21-dev-usb]
 platform = atmelsam
@@ -59,7 +60,7 @@ framework = arduino
 lib_deps = ${env.lib_deps}
 monitor_speed = 115200
 monitor_echo = yes
-build_flags = -std=c++17
+build_flags = -std=c++17 ; -DI2C_USE_WIRE  -DDIAG_LOOPTIMES -DDIAG_IO
 
 [env:mega2560-debug]
 platform = atmelavr
@@ -71,7 +72,7 @@ lib_deps =
 	SPI
 monitor_speed = 115200
 monitor_echo = yes
-build_flags = -DDIAG_IO=2 -DDIAG_LOOPTIMES
+build_flags =  -DDIAG_IO=2 -DDIAG_LOOPTIMES
 
 [env:mega2560-no-HAL]
 platform = atmelavr
@@ -107,7 +108,7 @@ lib_deps =
 	SPI
 monitor_speed = 115200
 monitor_echo = yes
-build_flags = 
+build_flags =     ; -DDIAG_LOOPTIMES
 
 [env:mega328]
 platform = atmelavr
@@ -189,75 +190,10 @@ platform = ststm32
 board = nucleo_f446re
 framework = arduino
 lib_deps = ${env.lib_deps}
-build_flags = -std=c++17  -Os -g2 -Wunused-variable
+build_flags = -std=c++17  -Os -g2 -Wunused-variable ; -DDIAG_LOOPTIMES ; -DDIAG_IO 
 monitor_speed = 115200
 monitor_echo = yes
 
-; Experimental - no reason this should not work, but not
-; tested as yet
-;
-[env:Nucleo-F401RE]
-platform = ststm32
-board = nucleo_f401re
-framework = arduino
-lib_deps = ${env.lib_deps}
-build_flags = -std=c++17  -Os -g2 -Wunused-variable
-monitor_speed = 115200
-monitor_echo = yes
-
-; Commented out by default as the F13ZH has variant files
-; but NOT the nucleo_f413zh.json file which needs to be
-; installed before you can let PlatformIO see this
-;
-; [env:Nucleo-F413ZH]
-; platform = ststm32
-; board = nucleo_f413zh
-; framework = arduino
-; lib_deps = ${env.lib_deps}
-; build_flags = -std=c++17  -Os -g2 -Wunused-variable
-; monitor_speed = 115200
-; monitor_echo = yes
-
-; Commented out by default as the F446ZE needs variant files
-; installed before you can let PlatformIO see this
-;
-; [env:Nucleo-F446ZE]
-; platform = ststm32
-; board = nucleo_f446ze
-; framework = arduino
-; lib_deps = ${env.lib_deps}
-; build_flags = -std=c++17  -Os -g2 -Wunused-variable
-; monitor_speed = 115200
-; monitor_echo = yes
-
-; Commented out by default as the F412ZG needs variant files
-; installed before you can let PlatformIO see this
-;
-; [env:Nucleo-F412ZG]
-; platform = ststm32
-; board = blah_f412zg
-; framework = arduino
-; lib_deps = ${env.lib_deps}
-; build_flags = -std=c++17 -Os -g2 -Wunused-variable
-; monitor_speed = 115200
-; monitor_echo = yes
-; upload_protocol = stlink
-
-; Experimental - Ethernet work still in progress
-;
-; [env:Nucleo-F429ZI]
-; platform = ststm32
-; board = nucleo_f429zi
-; framework = arduino
-; lib_deps = ${env.lib_deps}
-; 			arduino-libraries/Ethernet @ ^2.0.1
-; 			stm32duino/STM32Ethernet @ ^1.3.0
-; 			stm32duino/STM32duino LwIP @ ^2.1.2
-; build_flags = -std=c++17 -Os -g2 -Wunused-variable
-; monitor_speed = 115200
-; monitor_echo = yes
-; upload_protocol = stlink
-
 [env:Teensy3_2]
 platform = teensy
 board = teensy31
@@ -297,3 +233,4 @@ framework = arduino
 build_flags = -std=c++17  -Os -g2
 lib_deps = ${env.lib_deps}
 lib_ignore = 
+

version.h

@@ -3,66 +3,7 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.14"
+#define VERSION "4.2.68"
-// 5.2.14 - Reminder window DCC packet optimization
-//        - Optional #define DISABLE_FUNCTION_REMINDERS 
-// 5.2.13 - EXRAIL STEALTH 
-// 5.2.12 - ESP32 add AP mode LCD messages with SSID/PW for
-//        - STM32 change to UID_BASE constants in DCCTimerSTM32 rather than raw hex addresses for UID registers
-//        - STM32 extra UART/USARTs for larger Nucleo models
-// 5.2.11 - Change from TrackManager::returnMode to TrackManager::getMode
-// 5.2.10 - Include trainbrains.eu block unoccupancy driver
-//        - include IO_PCA9555  
-// 5.2.9  - Bugfix LCD startup with no LCD, uses <@
-// 5.2.9  - EXRAIL STASH feature 
-// 5.2.8  - Bugfix: Do not turn off all tracks on change
-//          give better power messages
-// 5.2.7  - Bugfix: EXRAIL ling segment
-//        - Bugfix: Back out wrongly added const
-//        - Bugfix ESP32: Do not inverse DCX direction signal twice
-// 5.2.6  - Trackmanager broadcast power state on track mode change
-// 5.2.5  - Trackmanager: Do not treat TRACK_MODE_ALL as TRACK_MODE_DC
-// 5.2.4  - LCD macro will not do diag if that duplicates @ to same target.
-//        - Added ROUTE_DISABLED macro in EXRAIL
-// 5.2.3  - Bugfix: Catch stange input to parser
-// 5.2.2  - Added option to allow MAX_CHARACTER_ROWS to be defined in config.h
-// 5.2.1  - Trackmanager rework for simpler structure
-// 5.2.0  - ESP32: Autoreverse and booster mode support
-// 5.1.21 - EXRAIL invoke multiple ON handlers for same event
-// 5.1.20 - EXRAIL Tidy and ROUTE_STATE, ROUTE_CAPTION 
-// 5.1.19 - Only flag 2.2.0.0-dev as broken, not 2.2.0.0
-// 5.1.18 - TURNOUTL bugfix
-// 5.1.17 - Divide out C for config and D for diag commands
-// 5.1.16 - Remove I2C address from EXTT_TURNTABLE macro to work with MUX, requires separate HAL macro to create
-// 5.1.15 - LCC/Adapter support and Exrail feature-compile-out.
-// 5.1.14 - Fixed IFTTPOSITION
-// 5.1.13 - Changed turntable broadcast from i to I due to server string conflict
-// 5.1.12 - Added Power commands <0 A> & <1 A> etc. and update to <=>
-//          Added EXRAIL SET_POWER(track, ON/OFF)
-//          Fixed a problem whereby <1 MAIN> also powered on PROG track
-//          Added functions to TrackManager.cpp to allow UserAddin code for power display on OLED/LCD
-//          Added - returnMode(byte t), returnDCAddr(byte t) & getModeName(byte Mode)
-// 5.1.11 - STM32F4xx revised I2C clock setup, no correctly sets clock and has fully variable frequency selection
-// 5.1.10 - STM32F4xx DCCEXanalogWrite to handle PWM generation for TrackManager DC/DCX
-//        - STM32F4xx DCC 58uS timer now using non-PWM output timers where possible
-//        - ESP32 brakeCanPWM check now detects UNUSED_PIN
-//        - ARM architecture brakeCanPWM now uses digitalPinHasPWM()
-//        - STM32F4xx shadowpin extensions to handle pins on ports D, E and F
-// 5.1.9  - Fixed IO_PCA9555'h to work with PCA9548 mux, tested OK
-// 5.1.8  - STM32Fxx ADCee extension to support ADCs #2 and #3
-// 5.1.7  - Fix turntable broadcasts for non-movement activities and <JP> result
-// 5.1.6  - STM32F4xx native I2C driver added
-// 5.1.5  - Added turntable object and EXRAIL commands
-//        - <I ...>, <JO ...>, <JP ...> - turntable commands
-//        - DCC_TURNTABLE, EXTT_TURNTABLE, IFTTPOSITION, ONROTATE, ROTATE, ROTATE_DCC, TT_ADDPOSITION, WAITFORTT EXRAIL
-// 5.1.4  - Added ONOVERLOAD & AFTEROVERLOAD to EXRAIL
-// 5.1.3  - Make parser more fool proof
-// 5.1.2  - Bugfix: ESP32 30ms off time
-// 5.1.1  - Check bad AT firmware version
-//        - Update IO_PCA9555.h reflecting IO_MCP23017.h changes to support PCA9548 mux
-// 5.0.1  - Bugfix: execute 30ms off time before rejoin
-// 5.0.0  - Make 4.2.69 the 5.0.0 release
-// 4.2.69 - Bugfix: Make <!> work in DC mode
 // 4.2.68 - Rename track mode OFF to NONE
 // 4.2.67 - AVR: Pin specific timer register seting
 //        - Protect Uno user from choosing DC(X)