Merge pull request #373 from DCC-EX:ex-ioexpander-no-analogue-pins-fix

Ex-ioexpander-no-analogue-pins-fix

.gitignore

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

CommandDistributor.cpp

@@ -105,6 +105,7 @@ 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 
 
@@ -162,7 +163,7 @@ void  CommandDistributor::broadcastTurnout(int16_t id, bool isClosed ) {
 }
 
 void CommandDistributor::broadcastTurntable(int16_t id, uint8_t position, bool moving) {
-  broadcastReply(COMMAND_TYPE, F("<i %d %d %d>\n"), id, position, moving);
+  broadcastReply(COMMAND_TYPE, F("<I %d %d %d>\n"), id, position, moving);
 }
 
 void  CommandDistributor::broadcastClockTime(int16_t time, int8_t rate) {
@@ -248,27 +249,123 @@ 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("");
-  char state='1';
-  if (main && prog && join) reason=F(" JOIN");
-  else if (main && prog);
-  else if (main) reason=F(" MAIN");
-  else if (prog) reason=F(" PROG");
-  else state='0';
-  broadcastReply(COMMAND_TYPE, F("<p%c%S>\n"),state,reason);
+  if (join) {
+    reason = F(" JOIN"); // with space at start so we can append without space
+    broadcastReply(COMMAND_TYPE, F("<p1 %S>\n"),reason);
+  } else {
+    if (main) {
+      //reason = F("MAIN");
+      broadcastReply(COMMAND_TYPE, F("<p1 MAIN>\n"));
+    }
+    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
-  broadcastReply(WITHROTTLE_TYPE, F("PPA%c\n"), main?'1':'0');
+  // 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': 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,int16_t dcAddr) {
-  broadcastReply(COMMAND_TYPE, format,trackLetter,dcAddr);
+void CommandDistributor::broadcastTrackState(const FSH* format, byte trackLetter, const FSH *modename, int16_t dcAddr) {
+  broadcastReply(COMMAND_TYPE, format, trackLetter, modename, 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

@@ -55,10 +55,20 @@ public :
   static int16_t retClockTime();
   static void broadcastPower();
   static void broadcastRaw(clientType type,char * msg);
-  static void broadcastTrackState(const FSH* format,byte trackLetter,int16_t dcAddr);
+  static void broadcastTrackState(const FSH* format,byte trackLetter, const FSH* modename, 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%S"),F(VERSION));
+    LCD(0,F("DCC-EX v" VERSION));
     LCD(1,F("Lic GPLv3"));
   );
 

DCC.cpp

@@ -122,7 +122,7 @@ void DCC::setThrottle2( uint16_t cab, byte speedCode)  {
   DCCWaveform::mainTrack.schedulePacket(b, nB, 0);
 }
 
-void DCC::setFunctionInternal(int cab, byte byte1, byte byte2) {
+void DCC::setFunctionInternal(int cab, byte byte1, byte byte2, byte count) {
   // DIAG(F("setFunctionInternal %d %x %x"),cab,byte1,byte2);
   byte b[4];
   byte nB = 0;
@@ -133,7 +133,7 @@ void DCC::setFunctionInternal(int cab, byte byte1, byte byte2) {
   if (byte1!=0) b[nB++] = byte1;
   b[nB++] = byte2;
 
-  DCCWaveform::mainTrack.schedulePacket(b, nB, 0);
+  DCCWaveform::mainTrack.schedulePacket(b, nB, count);
 }
 
 // returns speed steps 0 to 127 (1 == emergency stop)
@@ -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.getPacketPending()) return;
+  if (!DCCWaveform::mainTrack.isReminderWindowOpen()) 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
@@ -619,24 +619,39 @@ bool DCC::issueReminder(int reg) {
          break;
        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
+#ifndef DISABLE_FUNCTION_REMINDERS
+	    setFunctionInternal(loco,0, 128 | ((functions>>1)& 0x0F) | ((functions & 0x01)<<4),0); // 100D DDDD
+#else
+	    setFunctionInternal(loco,0, 128 | ((functions>>1)& 0x0F) | ((functions & 0x01)<<4),2);
+          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
+#ifndef DISABLE_FUNCTION_REMINDERS
+  	    setFunctionInternal(loco,0, 176 | ((functions>>5)& 0x0F),0);                           // 1011 DDDD
+#else
+	    setFunctionInternal(loco,0, 176 | ((functions>>5)& 0x0F),2);
+          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
+#ifndef DISABLE_FUNCTION_REMINDERS
+	    setFunctionInternal(loco,0, 160 | ((functions>>9)& 0x0F),0);                           // 1010 DDDD
+#else
+	    setFunctionInternal(loco,0, 160 | ((functions>>9)& 0x0F),2);
+          flags&= ~FN_GROUP_3;  // dont send them again
+#endif
           break;
        case 4: // remind function group 4 F13-F20
           if (flags & FN_GROUP_4)
-              setFunctionInternal(loco,222, ((functions>>13)& 0xFF));
+	    setFunctionInternal(loco,222, ((functions>>13)& 0xFF),2);
           flags&= ~FN_GROUP_4;  // dont send them again
           break;
        case 5: // remind function group 5 F21-F28
           if (flags & FN_GROUP_5)
-              setFunctionInternal(loco,223, ((functions>>21)& 0xFF));
+	    setFunctionInternal(loco,223, ((functions>>21)& 0xFF),2);
           flags&= ~FN_GROUP_5;  // dont send them again
           break;
       }

DCC.h

@@ -109,7 +109,7 @@ private:
   static byte loopStatus;
   static void setThrottle2(uint16_t cab, uint8_t speedCode);
   static void updateLocoReminder(int loco, byte speedCode);
-  static void setFunctionInternal(int cab, byte fByte, byte eByte);
+  static void setFunctionInternal(int cab, byte fByte, byte eByte, byte count);
   static bool issueReminder(int reg);
   static int lastLocoReminder;
   static int highestUsedReg;

DCCEXParser.cpp

@@ -49,7 +49,7 @@ Once a new OPCODE is decided upon, update this list.
   b, Write CV bit on main
   B, Write CV bit
   c, Request current command
-  C,
+  C, configure the CS
   d,
   D, Diagnostic commands
   e, Erase EEPROM
@@ -60,14 +60,14 @@ Once a new OPCODE is decided upon, update this list.
   G,
   h,
   H, Turnout state broadcast
-  i, Reserved for future use - Turntable object broadcast
-  I, Reserved for future use - Turntable object command and control
+  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,
+  L, Reserved for LCC interface (implemented in EXRAIL)
   m,
   M, Write DCC packet
   n,
@@ -115,6 +115,7 @@ Once a new OPCODE is decided upon, update this list.
 #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. 
@@ -157,7 +158,9 @@ 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';
@@ -209,8 +212,10 @@ 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' || hot == '>')
-                return parameterCount;
+            if (hot == '\0')
+	      return -1;
+	    if (hot == '>')
+	      return parameterCount;
             state = 2;
             continue;
 
@@ -303,14 +308,19 @@ 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];
-    byte params = splitValues(p, com, opcode=='M' || opcode=='P');
-    
+    int16_t splitnum = 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);
     if (filterRMFTCallback && opcode!='\0')
@@ -552,70 +562,65 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 
     case '1': // POWERON <1   [MAIN|PROG|JOIN]>
         {
-        bool main=false;
-        bool prog=false;
-        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) break;
+	  if (params==0) { // All
+	    TrackManager::setTrackPower(TRACK_MODE_ALL, POWERMODE::ON);
 	  }
+	  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>
-            main=true;
-            prog=true;
-            join=true;
-	  }
-	  else if (p[0]==HASH_KEYWORD_PROG) { // <1 PROG>
-            prog=true;
-	  }
+            else if (p[0] == HASH_KEYWORD_JOIN) {  // <1 JOIN>
+	      TrackManager::setJoin(true);
+	      TrackManager::setTrackPower(TRACK_MODE_MAIN|TRACK_MODE_PROG, POWERMODE::ON);
+            }
+            else if (p[0]==HASH_KEYWORD_PROG) { // <1 PROG>
+	      TrackManager::setJoin(false);
+	      TrackManager::setTrackPower(TRACK_MODE_PROG, POWERMODE::ON);
+            }
 #endif
-	  else break; // will reply <X>
+            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>
+	  }
+	  //TrackManager::streamTrackState(NULL,t);
+          
+	  return;
 	}
-        TrackManager::setJoin(join);
-        if (main) TrackManager::setMainPower(POWERMODE::ON);
-        if (prog) TrackManager::setProgPower(POWERMODE::ON);
-
-        CommandDistributor::broadcastPower();
-        return;
-        }
-
+            
     case '0': // POWEROFF <0 [MAIN | PROG] >
         {
-        bool main=false;
-        bool prog=false;
-        if (params > 1) break;
-        if (params==0) { // All
-	  main=true;
-	  prog=true;
-        }
-	if (params==1) {
-	  if (p[0]==HASH_KEYWORD_MAIN) { // <0 MAIN>
-	    main=true;
+	  if (params > 1) break;
+	  if (params==0) { // All
+	    TrackManager::setJoin(false);
+	    TrackManager::setTrackPower(TRACK_MODE_ALL, POWERMODE::OFF);
 	  }
+	  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>
-	    prog=true;
-	  }
+            else if (p[0]==HASH_KEYWORD_PROG) { // <0 PROG>
+	      TrackManager::progTrackBoosted=false;  // Prog track boost mode will not outlive prog track off
+	      TrackManager::setTrackPower(TRACK_MODE_PROG, POWERMODE::OFF);
+            }
 #endif
-	  else break; // will reply <X>
+	    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>
+	  }
+	  return;
 	}
 
-        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;
@@ -630,7 +635,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
         Sensor::printAll(stream);
         return;
 
-    case 's': // <s>
+    case 's': // STATUS <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
@@ -651,14 +656,18 @@ 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))
+            return;
+        break;
 #ifndef DISABLE_DIAG
-    case 'D': // < >
+    case 'D': // DIAG <D [params]>
         if (parseD(stream, params, p))
             return;
         break;
 #endif
-    case '=': // <= Track manager control  >
-        if (TrackManager::parseJ(stream, params, p))
+    case '=': // TRACK MANAGER CONTROL <= [params]>
+        if (TrackManager::parseEqualSign(stream, params, p))
             return;
         break;
 
@@ -714,27 +723,17 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                     TrackManager::reportCurrent(stream);   // <g limit...limit>     
                     return;
 
-                case HASH_KEYWORD_A: // <JA> returns automations/routes
-                    StringFormatter::send(stream, F("<jA"));
-                    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_A: // <JA> intercepted by EXRAIL// <JA> returns automations/routes
+                    if (params!=1) break; // <JA>
+                    StringFormatter::send(stream, F("<jA>\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
@@ -742,11 +741,15 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                     SENDFLASHLIST(stream,RMFT2::rosterIdList)
                 }
                 else {
-		  const FSH * functionNames= RMFT2::getRosterFunctions(id);
-		  StringFormatter::send(stream,F(" %d \"%S\" \"%S\""), 
-					id, RMFT2::getRosterName(id),
-					functionNames == NULL ? RMFT2::getRosterFunctions(0) : functionNames);
-		}
+                    auto rosterName= RMFT2::getRosterName(id);
+                    if (!rosterName) rosterName=F("");
+
+                    auto functionNames= RMFT2::getRosterFunctions(id);
+                    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; 
@@ -839,15 +842,30 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
         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]);
-        break;
+      } else {
+	DIAG(F("Unprintable %x"), opcode);
+      }
+      break;
 
     } // end of opcode switch
 
-    // Any fallout here sends an <X>
+out:// Any fallout here sends an <X>
     StringFormatter::send(stream, F("<X>\n"));
 }
 
@@ -1044,19 +1062,28 @@ bool DCCEXParser::parseS(Print *stream, int16_t params, int16_t p[])
     return false;
 }
 
-bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
-{
+bool DCCEXParser::parseC(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])
     {
-    case HASH_KEYWORD_CABS: // <D CABS>
-        DCC::displayCabList(stream);
+#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
+    case HASH_KEYWORD_SPEED28:
+        DCC::setGlobalSpeedsteps(28);
+	DIAG(F("28 Speedsteps"));
         return true;
 
-    case HASH_KEYWORD_RAM: // <D RAM>
-        StringFormatter::send(stream, F("Free memory=%d\n"), DCCTimer::getMinimumFreeMemory());
+    case HASH_KEYWORD_SPEED128:
+        DCC::setGlobalSpeedsteps(128);
+	DIAG(F("128 Speedsteps"));
         return true;
 
 #ifndef DISABLE_PROG
@@ -1076,12 +1103,35 @@ bool DCCEXParser::parseD(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 {
-	  StringFormatter::send(stream, F("Ack diag %S\n"), onOff ? F("on") : F("off"));
+      bool onOff = (params > 0) && (p[1] == 1 || p[1] == HASH_KEYWORD_ON); // dont care if other stuff or missing... just means 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;
@@ -1103,34 +1153,14 @@ 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_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;
@@ -1153,7 +1183,7 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
         break;
 
     default: // invalid/unknown
-        break;
+        return parseC(stream, params, p);
     }
     return false;
 }
@@ -1181,7 +1211,7 @@ bool DCCEXParser::parseI(Print *stream, int16_t params, int16_t p[])
             if (tto) {
                 bool type = tto->isEXTT();
                 uint8_t position = tto->getPosition();
-                StringFormatter::send(stream, F("<i %d %d>\n"), type, position);
+                StringFormatter::send(stream, F("<I %d %d>\n"), type, position);
             } else {
                 return false;
             }
@@ -1207,7 +1237,7 @@ bool DCCEXParser::parseI(Print *stream, int16_t params, int16_t p[])
                 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"));
+                StringFormatter::send(stream, F("<I>\n"));
             } else {
                 if (!tto) return false;
                 if (!tto->isEXTT()) return false;
@@ -1224,7 +1254,7 @@ bool DCCEXParser::parseI(Print *stream, int16_t params, int16_t p[])
                 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"));
+                StringFormatter::send(stream, F("<I>\n"));
             } else {
                 return false;
             }
@@ -1238,7 +1268,7 @@ bool DCCEXParser::parseI(Print *stream, int16_t params, int16_t p[])
                 // 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"));
+                StringFormatter::send(stream, F("<I>\n"));
             } else {
                 return false;
             }

DCCEXParser.h

@@ -49,6 +49,7 @@ struct DCCEXParser
     static bool parseZ(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 parseC(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[]);

DCCTimerSTM32.cpp

@@ -50,11 +50,16 @@ 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=PC7, Tx=PC6 -- UART5 - F446RE
+HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- 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_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE) 
+#elif defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F413ZH) || defined(ARDUINO_NUCLEO_F446ZE) || \
+      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 Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5
+#if !defined(ARDUINO_NUCLEO_F412ZG)
+  HardwareSerial Serial2(PD6, PD5);  // Rx=PD6, Tx=PD5 -- 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
@@ -215,9 +220,9 @@ void DCCTimer::clearPWM() {
 }
 
 void   DCCTimer::getSimulatedMacAddress(byte mac[6]) {
-  volatile uint32_t *serno1 = (volatile uint32_t *)0x1FFF7A10;
-  volatile uint32_t *serno2 = (volatile uint32_t *)0x1FFF7A14;
-  // volatile uint32_t *serno3 = (volatile uint32_t *)0x1FFF7A18;
+  volatile uint32_t *serno1 = (volatile uint32_t *)UID_BASE;
+  volatile uint32_t *serno2 = (volatile uint32_t *)UID_BASE+4;
+  // volatile uint32_t *serno3 = (volatile uint32_t *)UID_BASE+8;
 
   volatile uint32_t m1 = *serno1;
   volatile uint32_t m2 = *serno2;

DCCWaveform.cpp

@@ -106,6 +106,7 @@ 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
@@ -127,9 +128,15 @@ 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.
-    DCCTimer::updateMinimumFreeMemoryISR(22); 
+    else DCCTimer::updateMinimumFreeMemoryISR(22); 
     return;
   }
 
@@ -148,30 +155,9 @@ 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
@@ -193,8 +179,39 @@ void DCCWaveform::schedulePacket(const byte buffer[], byte byteCount, byte repea
   packetPending = true;
   clearResets();
 }
-bool DCCWaveform::getPacketPending() {
-  return packetPending;
+
+bool DCCWaveform::isReminderWindowOpen() {
+  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
 
@@ -266,15 +283,15 @@ void DCCWaveform::schedulePacket(const byte buffer[], byte byteCount, byte repea
   }
 }
 
-bool DCCWaveform::getPacketPending() {
+bool DCCWaveform::isReminderWindowOpen() {
   if(isMainTrack) {
     if (rmtMainChannel == NULL)
-      return true;
-    return rmtMainChannel->busy();
+      return false;
+    return !rmtMainChannel->busy();
   } else {
     if (rmtProgChannel == NULL)
-      return true;
-    return rmtProgChannel->busy();
+      return false;
+    return !rmtProgChannel->busy();
   }
 }
 void IRAM_ATTR DCCWaveform::loop() {

DCCWaveform.h

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

Display.h

@@ -37,7 +37,9 @@
 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

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

EXRAIL2.cpp

@@ -55,22 +55,6 @@
 #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.
@@ -85,8 +69,8 @@ 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];
-
-LookList *  RMFT2::sequenceLookup=NULL;
+Print * RMFT2::LCCSerial=0;
+LookList *  RMFT2::routeLookup=NULL;
 LookList *  RMFT2::onThrowLookup=NULL;
 LookList *  RMFT2::onCloseLookup=NULL;
 LookList *  RMFT2::onActivateLookup=NULL;
@@ -100,9 +84,10 @@ LookList *  RMFT2::onClockLookup=NULL;
 LookList *  RMFT2::onRotateLookup=NULL;
 #endif
 LookList *  RMFT2::onOverloadLookup=NULL;
-
-#define GET_OPCODE GETHIGHFLASH(RMFT2::RouteCode,progCounter)
-#define SKIPOP progCounter+=3
+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) {
@@ -120,6 +105,7 @@ 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];
@@ -137,8 +123,35 @@ 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;
@@ -171,28 +184,36 @@ LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
   for (int f=0;f<MAX_FLAGS;f++) flags[f]=0;
   
   // create lookups
-  sequenceLookup=LookListLoader(OPCODE_ROUTE, OPCODE_AUTOMATION,OPCODE_SEQUENCE);
+  routeLookup=LookListLoader(OPCODE_ROUTE, OPCODE_AUTOMATION);
+  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);
-  onRedLookup=LookListLoader(OPCODE_ONRED);
-  onAmberLookup=LookListLoader(OPCODE_ONAMBER);
-  onGreenLookup=LookListLoader(OPCODE_ONGREEN);
   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);
   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){
@@ -213,6 +234,12 @@ LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
       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:
@@ -292,8 +319,14 @@ LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
     }
   }
   SKIPOP; // include ENDROUTES opcode
-
-  DIAG(F("EXRAIL %db, fl=%d"),progCounter,MAX_FLAGS);
+  
+  if (compileFeatures & FEATURE_STASH) {
+    // 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;
@@ -311,184 +344,15 @@ void RMFT2::setTurntableHiddenState(Turntable * tto) {
 #endif
 
 char RMFT2::getRouteType(int16_t id) {
-  for (int16_t i=0;;i+=2) {
-    int16_t rid= GETHIGHFLASHW(routeIdList,i);
-    if (rid==INT16_MAX) break;
-    if (rid==id) return 'R';
-  }
-  for (int16_t i=0;;i+=2) {
-    int16_t rid= GETHIGHFLASHW(automationIdList,i);
-    if (rid==INT16_MAX) break;
-    if (rid==id) return 'A';
+  int16_t progCounter=routeLookup->find(id);
+  if (progCounter>=0) {
+    byte type=GET_OPCODE; 
+    if (type==OPCODE_ROUTE) return 'R';
+    if (type==OPCODE_AUTOMATION) 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;
@@ -537,7 +401,7 @@ RMFT2::~RMFT2() {
 }
 
 void RMFT2::createNewTask(int route, uint16_t cab) {
-      int pc=sequenceLookup->find(route);
+      int pc=routeLookup->find(route);
       if (pc<0) return;
       RMFT2* task=new RMFT2(pc);
       task->loco=cab;
@@ -550,7 +414,6 @@ void RMFT2::driveLoco(byte speed) {
  power on appropriate track if DC or main if dcc
   if (TrackManager::getMainPowerMode()==POWERMODE::OFF) {
     TrackManager::setMainPower(POWERMODE::ON);
-    CommandDistributor::broadcastPower();
   }
   **********/
 
@@ -778,7 +641,20 @@ void RMFT2::loop2() {
   case OPCODE_POWEROFF:
     TrackManager::setPower(POWERMODE::OFF);
     TrackManager::setJoin(false);
-    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:
@@ -786,7 +662,7 @@ void RMFT2::loop2() {
       // If DC/DCX use  my loco for DC address 
       {
         TRACK_MODE mode = (TRACK_MODE)(operand>>8);
-        int16_t cab=(mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) ? loco : 0;
+        int16_t cab=(mode & TRACK_MODE_DC) ? loco : 0;
         TrackManager::setTrackMode(operand & 0x0F, mode, cab);
       }
       break; 
@@ -924,7 +800,7 @@ void RMFT2::loop2() {
   }
     
   case OPCODE_FOLLOW:
-    progCounter=sequenceLookup->find(operand);
+    progCounter=routeLookup->find(operand);
     if (progCounter<0) kill(F("FOLLOW unknown"), operand);
     return;
     
@@ -934,7 +810,7 @@ void RMFT2::loop2() {
       return;
     }
     callStack[stackDepth++]=progCounter+3;
-    progCounter=sequenceLookup->find(operand);
+    progCounter=routeLookup->find(operand);
     if (progCounter<0) kill(F("CALL unknown"),operand);
     return;
     
@@ -959,12 +835,10 @@ void RMFT2::loop2() {
   case OPCODE_JOIN:
     TrackManager::setPower(POWERMODE::ON);
     TrackManager::setJoin(true);
-    CommandDistributor::broadcastPower();
     break;
 
   case OPCODE_UNJOIN:
     TrackManager::setJoin(false);
-    CommandDistributor::broadcastPower();
     break;
 
   case OPCODE_READ_LOCO1: // READ_LOCO is implemented as 2 separate opcodes
@@ -992,12 +866,11 @@ void RMFT2::loop2() {
   case OPCODE_POWERON:
     TrackManager::setMainPower(POWERMODE::ON);
     TrackManager::setJoin(false);
-    CommandDistributor::broadcastPower();
     break;
     
   case OPCODE_START:
     {
-      int newPc=sequenceLookup->find(operand);
+      int newPc=routeLookup->find(operand);
       if (newPc<0) break;
       new RMFT2(newPc);
     }
@@ -1005,7 +878,7 @@ void RMFT2::loop2() {
     
   case OPCODE_SENDLOCO:  // cab, route
     {
-      int newPc=sequenceLookup->find(getOperand(1));
+      int newPc=routeLookup->find(getOperand(1));
       if (newPc<0) break;
       RMFT2* newtask=new RMFT2(newPc); // create new task
       newtask->loco=operand;
@@ -1020,7 +893,21 @@ void RMFT2::loop2() {
       invert=false;
     }
     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));
@@ -1045,7 +932,47 @@ void RMFT2::loop2() {
   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:
   case OPCODE_SEQUENCE:
@@ -1058,6 +985,7 @@ 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:
@@ -1127,13 +1055,14 @@ 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) handleEvent(F("RED"),onRedLookup,id);
-  else if (rag==SIGNAL_GREEN) handleEvent(F("GREEN"), onGreenLookup,id);
-  else handleEvent(F("AMBER"), onAmberLookup,id);
+  if (rag==SIGNAL_RED) onRedLookup->handleEvent(F("RED"),id);
+  else if (rag==SIGNAL_GREEN) onGreenLookup->handleEvent(F("GREEN"),id);
+  else onAmberLookup->handleEvent(F("AMBER"),id);
   
   int16_t sigslot=getSignalSlot(id);
   if (sigslot<0) return; 
@@ -1194,6 +1123,7 @@ 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;
@@ -1201,26 +1131,26 @@ 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)  handleEvent(F("CLOSE"),onCloseLookup,turnoutId);
-  else handleEvent(F("THROW"),onThrowLookup,turnoutId);
+  if (closed)  onCloseLookup->handleEvent(F("CLOSE"),turnoutId);
+  else onThrowLookup->handleEvent(F("THROW"),turnoutId);
 }
 
 
 void RMFT2::activateEvent(int16_t addr, bool activate) {
   // Hunt for an ONACTIVATE/ONDEACTIVATE for this accessory
-  if (activate)  handleEvent(F("ACTIVATE"),onActivateLookup,addr);
-  else handleEvent(F("DEACTIVATE"),onDeactivateLookup,addr);
+  if (activate)  onActivateLookup->handleEvent(F("ACTIVATE"),addr);
+  else onDeactivateLookup->handleEvent(F("DEACTIVATE"),addr);
 }
 
 void RMFT2::changeEvent(int16_t vpin, bool change) {
   // Hunt for an ONCHANGE for this sensor
-  if (change)  handleEvent(F("CHANGE"),onChangeLookup,vpin);
+  if (change)  onChangeLookup->handleEvent(F("CHANGE"),vpin);
 }
 
 #ifndef IO_NO_HAL
 void RMFT2::rotateEvent(int16_t turntableId, bool change) {
   // Hunt or an ONROTATE for this turntable
-  if (change) handleEvent(F("ROTATE"),onRotateLookup,turntableId);
+  if (change) onRotateLookup->handleEvent(F("ROTATE"),turntableId);
 }
 #endif
 
@@ -1229,8 +1159,8 @@ void RMFT2::clockEvent(int16_t clocktime, bool change) {
   if (Diag::CMD)
    DIAG(F("Looking for clock event at : %d"), clocktime);
   if (change) {
-    handleEvent(F("CLOCK"),onClockLookup,clocktime);
-    handleEvent(F("CLOCK"),onClockLookup,25*60+clocktime%60);
+    onClockLookup->handleEvent(F("CLOCK"),clocktime);
+    onClockLookup->handleEvent(F("CLOCK"),25*60+clocktime%60);
   }
 } 
 
@@ -1239,15 +1169,11 @@ void RMFT2::powerEvent(int16_t track, bool overload) {
   if (Diag::CMD)
    DIAG(F("Looking for Power event on track : %c"), track);
   if (overload) {
-    handleEvent(F("POWER"),onOverloadLookup,track);
+    onOverloadLookup->handleEvent(F("POWER"),track);
   }
 }
 
-
-void RMFT2::handleEvent(const FSH* reason,LookList* handlers, int16_t id) {
-  int pc= handlers->find(id);
-  if (pc<0) return;
-  
+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) {
@@ -1363,3 +1289,29 @@ 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

@@ -59,16 +59,18 @@ 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_TRACK,OPCODE_SET_POWER,
              OPCODE_ONRED,OPCODE_ONAMBER,OPCODE_ONGREEN,
              OPCODE_ONCHANGE,
              OPCODE_ONCLOCKTIME,
              OPCODE_ONTIME,
-#ifndef IO_NO_HAL
              OPCODE_TTADDPOSITION,OPCODE_DCCTURNTABLE,OPCODE_EXTTTURNTABLE,
-             OPCODE_ONROTATE,OPCODE_ROTATE,OPCODE_IFTTPOSITION,OPCODE_WAITFORTT,
-#endif
+             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
@@ -81,7 +83,8 @@ 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, 
@@ -95,7 +98,13 @@ 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
   static const byte SECTION_FLAG = 0x80;
@@ -115,13 +124,20 @@ 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);
+    int16_t find(int16_t value); // finds result 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;     
+     int16_t * m_resultArray;
+     LookList* m_chain;     
 };
 
  class RMFT2 {
@@ -155,7 +171,8 @@ class LookList {
   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[]);
     static bool parseSlash(Print * stream, byte & paramCount, int16_t p[]) ;
@@ -172,7 +189,6 @@ private:
     #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;
@@ -189,10 +205,11 @@ private:
     uint16_t getOperand(byte n); 
     
    static bool diag;
-   static const  HIGHFLASH  byte RouteCode[];
+   static const  HIGHFLASH3  byte RouteCode[];
    static const  HIGHFLASH  int16_t SignalDefinitions[];
    static byte flags[MAX_FLAGS];
-   static LookList * sequenceLookup;
+   static Print * LCCSerial;
+   static LookList * routeLookup;
    static LookList * onThrowLookup;
    static LookList * onCloseLookup;
    static LookList * onActivateLookup;
@@ -206,6 +223,16 @@ private:
    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 
@@ -227,4 +254,8 @@ private:
     byte stackDepth;
     int callStack[MAX_STACK_DEPTH];
 };
+
+#define GET_OPCODE GETHIGHFLASH(RMFT2::RouteCode,progCounter)
+#define SKIPOP progCounter+=3
+
 #endif

EXRAIL2MacroReset.h

@@ -39,6 +39,8 @@
 #undef AUTOSTART
 #undef BROADCAST
 #undef CALL 
+#undef CLEAR_STASH
+#undef CLEAR_ALL_STASH
 #undef CLOSE 
 #undef DCC_SIGNAL
 #undef DCC_TURNTABLE
@@ -86,6 +88,8 @@
 #undef LATCH 
 #undef LCD 
 #undef SCREEN
+#undef LCC 
+#undef LCCX 
 #undef LCN 
 #undef MOVETT
 #undef ONACTIVATE
@@ -94,6 +98,7 @@
 #undef ONDEACTIVATE
 #undef ONDEACTIVATEL 
 #undef ONCLOSE
+#undef ONLCC
 #undef ONTIME
 #undef ONCLOCKTIME
 #undef ONCLOCKMINS
@@ -105,6 +110,7 @@
 #undef ONCHANGE
 #undef PARSE
 #undef PAUSE
+#undef PICKUP_STASH
 #undef PIN_TURNOUT 
 #undef PRINT
 #ifndef DISABLE_PROG
@@ -123,6 +129,11 @@
 #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 
@@ -138,11 +149,14 @@
 #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
@@ -175,7 +189,9 @@
 #define AUTOMATION(id,description) 
 #define AUTOSTART
 #define BROADCAST(msg)
-#define CALL(route) 
+#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)
@@ -192,7 +208,7 @@
 #define ENDTASK
 #define ESTOP 
 #define EXRAIL
-#define EXTT_TURNTABLE(id,vpin,i2c_address,home,description)
+#define EXTT_TURNTABLE(id,vpin,home,description)
 #define FADE(pin,value,ms)
 #define FOFF(func)
 #define FOLLOW(route) 
@@ -220,7 +236,9 @@
 #define INVERT_DIRECTION 
 #define JOIN 
 #define KILLALL
-#define LATCH(sensor_id) 
+#define LATCH(sensor_id)
+#define LCC(eventid) 
+#define LCCX(senderid,eventid) 
 #define LCD(row,msg)
 #define SCREEN(display,row,msg)
 #define LCN(msg) 
@@ -235,6 +253,7 @@
 #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)
@@ -244,6 +263,7 @@
 #define PIN_TURNOUT(id,pin,description...) 
 #define PRINT(msg) 
 #define PARSE(msg)
+#define PICKUP_STASH(id)
 #ifndef DISABLE_PROG
 #define POM(cv,value)
 #endif
@@ -260,6 +280,11 @@
 #define ROTATE_DCC(turntable_id,position)
 #define ROSTER(cab,name,funcmap...)
 #define ROUTE(id,description)
+#define ROUTE_ACTIVE(id)
+#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) 
@@ -275,11 +300,14 @@
 #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 START(route)
+#define STASH(id) 
+#define STEALTH(code...)
 #define STOP 
 #define THROW(id)
 #define TT_ADDPOSITION(turntable_id,position,value,angle,description...)

EXRAIL2Parser.cpp

@@ -0,0 +1,328 @@
+/*
+ *  © 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

@@ -63,6 +63,11 @@
 // (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
@@ -74,17 +79,58 @@
 #include "EXRAIL2MacroReset.h"
 #undef HAL
 #define HAL(haltype,params...)  haltype::create(params);
-#undef EXTT_TURNTABLE
-#define EXTT_TURNTABLE(id,vpin,i2c_address,home,description...) EXTurntable::create(vpin,1,i2c_address);
 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 
@@ -126,6 +172,12 @@ 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
@@ -158,6 +210,8 @@ const int StringMacroTracker1=__COUNTER__;
          lcdid=id;\
          break;\
       } 
+#undef STEALTH
+#define STEALTH(code...) case (__COUNTER__ - StringMacroTracker1) : {code} return; 
 #undef WITHROTTLE
 #define WITHROTTLE(msg) THRUNGE(msg,thrunge_withrottle)
 
@@ -177,6 +231,8 @@ 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
@@ -197,7 +253,7 @@ const FSH * RMFT2::getTurnoutDescription(int16_t turnoutid) {
 #undef DCC_TURNTABLE
 #define DCC_TURNTABLE(id,home,description...) O_DESC(id,description)
 #undef EXTT_TURNTABLE
-#define EXTT_TURNTABLE(id,vpin,i2c_address,home,description...) O_DESC(id,description)
+#define EXTT_TURNTABLE(id,vpin,home,description...) O_DESC(id,description)
 
 const FSH * RMFT2::getTurntableDescription(int16_t turntableId) {
    switch (turntableId) {
@@ -273,6 +329,16 @@ 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
@@ -298,6 +364,8 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #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),
@@ -317,7 +385,7 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #define ESTOP OPCODE_SPEED,V(1), 
 #define EXRAIL
 #ifndef IO_NO_HAL
-#define EXTT_TURNTABLE(id,vpin,i2c_address,home,description...) OPCODE_EXTTTURNTABLE,V(id),OPCODE_PAD,V(vpin),OPCODE_PAD,V(i2c_address),OPCODE_PAD,V(home),
+#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),
@@ -349,14 +417,24 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #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)
@@ -371,6 +449,7 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #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),
@@ -392,6 +471,11 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #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)
@@ -407,11 +491,13 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #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 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
@@ -433,7 +519,7 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 
 // Build RouteCode
 const int StringMacroTracker2=__COUNTER__;
-const  HIGHFLASH  byte RMFT2::RouteCode[] = {
+const  HIGHFLASH3  byte RMFT2::RouteCode[] = {
     #include "myAutomation.h"
     OPCODE_ENDTASK,0,0,OPCODE_ENDEXRAIL,0,0 };
 

FSH.h

@@ -56,6 +56,7 @@ 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)
@@ -63,6 +64,7 @@ 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))
@@ -80,6 +82,7 @@ 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-202309241855Z"
+#define GITHUB_SHA "devel-202312131041Z"

IODevice.h

@@ -542,8 +542,10 @@ 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_EXIOExpander.h

@@ -22,13 +22,10 @@
 * This device driver will configure the device on startup, along with
 * interacting with the device for all input/output duties.
 *
-* To create EX-IOExpander devices, these are defined in myHal.cpp:
+* To create EX-IOExpander devices, these are defined in myAutomation.h:
 * (Note the device driver is included by default)
 *
-* void halSetup() {
-*   // EXIOExpander::create(vpin, num_vpins, i2c_address);
-*   EXIOExpander::create(800, 18, 0x65);
-* }
+* HAL(EXIOExpander,800,18,0x65)
 * 
 * All pins on an EX-IOExpander device are allocated according to the pin map for the specific
 * device in use. There is no way for the device driver to sanity check pins are used for the
@@ -98,25 +95,30 @@ private:
           _numAnaloguePins = receiveBuffer[2];
 
           // See if we already have suitable buffers assigned
-          size_t digitalBytesNeeded = (_numDigitalPins + 7) / 8;
-          if (_digitalPinBytes < digitalBytesNeeded) {
-            // Not enough space, free any existing buffer and allocate a new one
-            if (_digitalPinBytes > 0) free(_digitalInputStates);
-            _digitalInputStates = (byte*) calloc(_digitalPinBytes, 1);
-            _digitalPinBytes = digitalBytesNeeded;
-          }
-          size_t analogueBytesNeeded = _numAnaloguePins * 2;
-          if (_analoguePinBytes < analogueBytesNeeded) {
-            // Free any existing buffers and allocate new ones.
-            if (_analoguePinBytes > 0) {
-              free(_analogueInputBuffer);
-              free(_analogueInputStates);
-              free(_analoguePinMap);
+          if (_numDigitalPins>0) {
+            size_t digitalBytesNeeded = (_numDigitalPins + 7) / 8;
+            if (_digitalPinBytes < digitalBytesNeeded) {
+              // Not enough space, free any existing buffer and allocate a new one
+              if (_digitalPinBytes > 0) free(_digitalInputStates);
+              _digitalInputStates = (byte*) calloc(_digitalPinBytes, 1);
+              _digitalPinBytes = digitalBytesNeeded;
+            }
+          }
+          
+          if (_numAnaloguePins>0) {
+            size_t analogueBytesNeeded = _numAnaloguePins * 2;
+            if (_analoguePinBytes < analogueBytesNeeded) {
+              // Free any existing buffers and allocate new ones.
+              if (_analoguePinBytes > 0) {
+                free(_analogueInputBuffer);
+                free(_analogueInputStates);
+                free(_analoguePinMap);
+              }
+              _analogueInputStates = (uint8_t*) calloc(analogueBytesNeeded, 1);
+              _analogueInputBuffer = (uint8_t*) calloc(analogueBytesNeeded, 1);
+              _analoguePinMap = (uint8_t*) calloc(_numAnaloguePins, 1);
+              _analoguePinBytes = analogueBytesNeeded;
             }
-            _analogueInputStates = (uint8_t*) calloc(analogueBytesNeeded, 1);
-            _analogueInputBuffer = (uint8_t*) calloc(analogueBytesNeeded, 1);
-            _analoguePinMap = (uint8_t*) calloc(_numAnaloguePins, 1);
-            _analoguePinBytes = analogueBytesNeeded;
           }
         } else {
           DIAG(F("EX-IOExpander I2C:%s ERROR configuring device"), _I2CAddress.toString());
@@ -124,8 +126,8 @@ private:
           return;
         }
       } 
-      // We now need to retrieve the analogue pin map
-      if (status == I2C_STATUS_OK) {
+      // We now need to retrieve the analogue pin map if there are analogue pins
+      if (status == I2C_STATUS_OK && _numAnaloguePins>0) {
         commandBuffer[0] = EXIOINITA;
         status = I2CManager.read(_I2CAddress, _analoguePinMap, _numAnaloguePins, commandBuffer, 1);
       }
@@ -239,7 +241,7 @@ private:
 
     // If we're not doing anything now, check to see if a new input transfer is due.
     if (_readState == RDS_IDLE) {
-      if (currentMicros - _lastDigitalRead > _digitalRefresh) { // Delay for digital read refresh
+      if (currentMicros - _lastDigitalRead > _digitalRefresh && _numDigitalPins>0) { // Delay for digital read refresh
         // Issue new read request for digital states.  As the request is non-blocking, the buffer has to
         // be allocated from heap (object state).
         _readCommandBuffer[0] = EXIORDD;
@@ -247,7 +249,7 @@ private:
                                                                 // non-blocking read
         _lastDigitalRead = currentMicros;
         _readState = RDS_DIGITAL;
-      } else if (currentMicros - _lastAnalogueRead > _analogueRefresh) { // Delay for analogue read refresh
+      } else if (currentMicros - _lastAnalogueRead > _analogueRefresh && _numAnaloguePins>0) { // Delay for analogue read refresh
         // Issue new read for analogue input states
         _readCommandBuffer[0] = EXIORDAN;
         I2CManager.read(_I2CAddress, _analogueInputBuffer,

IO_trainbrains.h

@@ -0,0 +1,98 @@
+/*
+ *  © 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

@@ -605,6 +605,10 @@ 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
@@ -676,8 +680,10 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
       power_sample_overload_wait *= 2;
       if (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

@@ -3,7 +3,7 @@
  *  © 2021 Mike S
  *  © 2021 Fred Decker
  *  © 2020 Chris Harlow
- *  © 2022 Harald Barth
+ *  © 2022,2023 Harald Barth
  *  All rights reserved.
  *  
  *  This file is part of CommandStation-EX
@@ -28,8 +28,15 @@
 #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_DCX = 16, TRACK_MODE_EXT = 32};
+                        TRACK_MODE_DC = 8, TRACK_MODE_EXT = 16, TRACK_MODE_BOOST = 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
@@ -148,7 +155,11 @@ 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);
       }
@@ -168,6 +179,12 @@ 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);
@@ -232,6 +249,32 @@ 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;
@@ -263,7 +306,7 @@ 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

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

StringFormatter.cpp

@@ -19,6 +19,7 @@
 #include "StringFormatter.h"
 #include <stdarg.h>
 #include "DisplayInterface.h"
+#include "CommandDistributor.h"
 
 bool Diag::ACK=false;
 bool Diag::CMD=false;
@@ -38,13 +39,28 @@ 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
-  send(&USB_SERIAL,F("<* LCD%d:"),row);
-  va_start(args, input);
-  send2(&USB_SERIAL,input,args);
-  send(&USB_SERIAL,F(" *>\n"));
+  // 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
+  // send to virtual LCD collector (if any) 
+  if (virtualLCD) {
+    va_start(args, input);
+    send2(virtualLCD,input,args);
+    CommandDistributor::commitVirtualLCDSerial();
+  }
+#endif
   DisplayInterface::setRow(row);    
   va_start(args, input);
   send2(DisplayInterface::getDisplayHandler(),input,args);
@@ -52,6 +68,16 @@ 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);
@@ -117,6 +143,7 @@ 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);
@@ -218,4 +245,14 @@ 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

@@ -1,6 +1,6 @@
 /*
  *  © 2022 Chris Harlow
- *  © 2022 Harald Barth
+ *  © 2022,2023 Harald Barth
  *  © 2023 Colin Murdoch
  *  All rights reserved.
  *  
@@ -26,7 +26,8 @@
 #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++)
     
@@ -44,11 +45,15 @@ 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; 
@@ -86,7 +91,7 @@ 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_DCX|TRACK_MODE_EXT )) {
+      if (track[tr]->getMode() & ( TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_BOOST|TRACK_MODE_EXT )) {
 	track[tr]->startCurrentFromHW();
 	// for scope debug track[1]->setBrake(1);
 	waiting = true;
@@ -196,17 +201,20 @@ void TrackManager::setPROGSignal( bool on) {
 void TrackManager::setDCSignal(int16_t cab, byte speedbyte) {
   FOR_EACH_TRACK(t) {
     if (trackDCAddr[t]!=cab && cab != 0) continue;
-    if (track[t]->getMode()==TRACK_MODE_DC) track[t]->setDCSignal(speedbyte);
-    else if (track[t]->getMode()==TRACK_MODE_DCX) track[t]->setDCSignal(speedbyte ^ 128);
+    if (track[t]->getMode() & TRACK_MODE_DC)
+      track[t]->setDCSignal(speedbyte);
   }
 }    
 
 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 || mode==TRACK_MODE_DCX) {
+    if (mode & TRACK_MODE_DC) {
 #if defined(ARDUINO_AVR_UNO)
       DIAG(F("Uno has no PWM timers available for DC"));
       return false;
@@ -222,25 +230,41 @@ 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 {
@@ -248,22 +272,25 @@ 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 || mode==TRACK_MODE_DCX)) {
+    if (!(mode & TRACK_MODE_DC)) {
       // DCC tracks need to have set the PWM to zero or they will not work.
       track[trackToSet]->detachDCSignal();
       track[trackToSet]->setBrake(false);
     }
 
-    // EXT is a special case where the signal pin is
-    // turned off. So unless that is set, the signal
-    // pin should be turned on
-    track[trackToSet]->enableSignal(mode != TRACK_MODE_EXT);
+    // BOOST:
+    //  Leave it as is
+    // otherwise:
+    //  EXT is a special case where the signal pin is
+    //  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
@@ -273,7 +300,7 @@ 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 || track[t]->getMode()==TRACK_MODE_DCX) {
+      if (track[t]->getMode() & TRACK_MODE_DC) {
 	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
@@ -281,7 +308,7 @@ 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[t]->getMode()==TRACK_MODE_PROG) {
+      } else if (track[t]->getMode() & (TRACK_MODE_MAIN |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;
@@ -299,38 +326,40 @@ 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 || mode==TRACK_MODE_DCX) {
+    if (mode & TRACK_MODE_DC) {
         // 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);
     }
 
-    // Normal running tracks are set to the global power state 
-    track[trackToSet]->setPower(
-        (mode==TRACK_MODE_MAIN || mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX || mode==TRACK_MODE_EXT) ?
-        mainPowerGuess : POWERMODE::OFF);
+    // Turn off power if we changed the mode of this track
+    if (mode != oldmode)
+      track[trackToSet]->setPower(POWERMODE::OFF);
+    streamTrackState(NULL,trackToSet);
+
     //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::parseJ(Print *stream, int16_t params, int16_t p[])
+bool TrackManager::parseEqualSign(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.... 
@@ -351,46 +380,80 @@ bool TrackManager::parseJ(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_DCX,p[2]);
+        return setTrackMode(p[0],TRACK_MODE_DC|TRACK_MODE_INV,p[2]);
 
     return false;
 }
 
-void TrackManager::streamTrackState(Print* stream, byte t) {
-  // null stream means send to commandDistributor for broadcast
-  if (track[t]==NULL) return;
-  auto format=F("");
-  switch(track[t]->getMode()) {
-  case TRACK_MODE_MAIN:
-      format=F("<= %c MAIN>\n");
-      break;
-#ifndef DISABLE_PROG
-  case TRACK_MODE_PROG:
-      format=F("<= %c PROG>\n");
-      break;
-#endif
-  case TRACK_MODE_NONE:
-      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    
+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");
   }
-  if (stream) StringFormatter::send(stream,format,'A'+t,trackDCAddr[t]);
-  else CommandDistributor::broadcastTrackState(format,'A'+t,trackDCAddr[t]);
+#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;
+  
+  if (track[t]==NULL) return;
+  TRACK_MODE tm = track[t]->getMode();
+  if (tm & TRACK_MODE_DC)
+    format=F("<= %c %S %d>\n");
+  else
+    format=F("<= %c %S>\n");
+
+  const FSH *modename=getModeName(tm);
+  if (stream) {  // null stream means send to commandDistributor for broadcast
+    StringFormatter::send(stream,format,'A'+t, modename, trackDCAddr[t]);
+  } else {
+    CommandDistributor::broadcastTrackState(format,'A'+t, modename, trackDCAddr[t]);
+    CommandDistributor::broadcastPower();
+  }
+  
 }
 
 byte TrackManager::nextCycleTrack=MAX_TRACKS;
@@ -405,13 +468,13 @@ void TrackManager::loop() {
     if (nextCycleTrack>lastTrack) nextCycleTrack=0;
     if (track[nextCycleTrack]==NULL) return;
     MotorDriver * motorDriver=track[nextCycleTrack];
-    bool useProgLimit=dontLimitProg? false: track[nextCycleTrack]->getMode()==TRACK_MODE_PROG;
+    bool useProgLimit=dontLimitProg ? false : (bool)(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;
 } 
 
@@ -419,56 +482,98 @@ 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
 
-void TrackManager::setPower2(bool setProg,POWERMODE mode) {
-    if (!setProg) mainPowerGuess=mode; 
-    FOR_EACH_TRACK(t) {
-        MotorDriver * driver=track[t]; 
-        if (!driver) continue; 
-        switch (track[t]->getMode()) {
-            case TRACK_MODE_MAIN:
-                if (setProg) break; 
-                // toggle brake before turning power on - resets overcurrent error
-                // on the Pololu board if brake is wired to ^D2.
-		// XXX see if we can make this conditional
-                driver->setBrake(true);
-                driver->setBrake(false); // DCC runs with brake off
-                driver->setPower(mode);  
-                break; 
-            case TRACK_MODE_DC:
-            case TRACK_MODE_DCX:
-                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 all tracks with this mode
+void TrackManager::setTrackPower(TRACK_MODE trackmodeToMatch, POWERMODE powermode) {
+  bool didChange=false;
+  FOR_EACH_TRACK(t) {
+    MotorDriver *driver=track[t];
+    TRACK_MODE trackmodeOfTrack = driver->getMode();
+    if (trackmodeToMatch & trackmodeOfTrack) {
+      if (powermode != driver->getPower())
+	didChange=true;
+      if (powermode == POWERMODE::ON) {
+	if (trackmodeOfTrack & TRACK_MODE_DC) {
+	  driver->setBrake(true);   // DC starts with brake on
+	  applyDCSpeed(t);          // speed match DCC throttles
+	} else {
+	  // 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);
     }
-}
-  
-POWERMODE TrackManager::getProgPower() {
-    FOR_EACH_TRACK(t)
-      if (track[t]->getMode()==TRACK_MODE_PROG) 
-	return track[t]->getPower();
-    return POWERMODE::OFF;   
   }
+  if (didChange)
+    CommandDistributor::broadcastPower();
+}
+
+// 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();
+  POWERMODE oldpower = driver->getPower();
+  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);
+  if (oldpower != driver->getPower())
+    CommandDistributor::broadcastPower();
+}
+
+// returns state of the one and only prog track
+POWERMODE TrackManager::getProgPower() {
+  FOR_EACH_TRACK(t)
+    if (track[t]->getMode() & TRACK_MODE_PROG)
+      return track[t]->getPower(); // optimize: there is max one prog track
+  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
@@ -510,7 +615,7 @@ 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;
@@ -538,3 +643,17 @@ bool TrackManager::isPowerOn(byte t) {
     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

@@ -39,6 +39,10 @@ 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,
@@ -58,21 +62,28 @@ 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 setMainPower(POWERMODE mode) {setPower2(false,mode);}
-    static void setProgPower(POWERMODE mode) {setPower2(true,mode);}
+    static void setTrackPower(POWERMODE mode, byte t);
+    static void setTrackPower(TRACK_MODE trackmode, POWERMODE powermode);
+    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 parseJ(Print * stream,  int16_t params, int16_t p[]);
+    static bool parseEqualSign(Print * stream,  int16_t params, int16_t p[]);
     static void loop();
-    static POWERMODE getMainPower() {return mainPowerGuess;}
+    static POWERMODE getMainPower();
     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);
@@ -80,6 +91,10 @@ class TrackManager {
     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
@@ -96,10 +111,9 @@ 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 or TRACK_MODE_DCX
+    static int16_t trackDCAddr[MAX_TRACKS];  // dc address if TRACK_MODE_DC
 #ifdef ARDUINO_ARCH_ESP32
     static byte tempProgTrack; // holds the prog track number during join
 #endif

Turntables.h

@@ -185,7 +185,7 @@ public:
     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());
+        StringFormatter::send(stream, F("<I %d %d>\n"), tto->getId(), tto->getPosition());
       }
     return gotOne;
   }

WiThrottle.cpp

@@ -150,7 +150,6 @@ void WiThrottle::parse(RingStream * stream, byte * cmdx) {
 	  DCCWaveform::progTrack.setPowerMode(cmd[3]=='1'?POWERMODE::ON:POWERMODE::OFF);
 */
 
-	CommandDistributor::broadcastPower();
       }
 #if defined(EXRAIL_ACTIVE)
       else if (cmd[1]=='R' && cmd[2]=='A' && cmd[3]=='2' ) { // Route activate
@@ -496,7 +495,6 @@ void WiThrottle::getLocoCallback(int16_t locoid) {
   TrackManager::setJoin(true);          // <1 JOIN> so we can drive loco away
   DIAG(F("LocoCallback commit success"));
   stashStream->commit();
-  CommandDistributor::broadcastPower();
 }
 
 void WiThrottle::sendIntro(Print* stream) {

WifiESP32.cpp

@@ -163,7 +163,9 @@ 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);
@@ -209,8 +211,12 @@ 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 IP %s"),WiFi.softAPIP().toString().c_str());
+      // DIAG(F("Wifi AP SSID %s PASS %s"),strSSID.c_str(),havePassword ? password : strPass.c_str());
+      DIAG(F("Wifi in AP mode"));
+      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

@@ -201,17 +201,19 @@ 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)) {
-    char version[] = "0.0.0.0";
-    for (int i=0; i<8;i++) {
+    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')) {
-	SSid = F("DCCEX_SAYS_BROKEN_FIRMWARE");
-	forceAP = true;
-      }
+    }
+    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);

config.example.h

@@ -167,6 +167,14 @@ 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
 //
@@ -191,6 +199,18 @@ 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
@@ -266,6 +286,12 @@ 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

@@ -219,11 +219,10 @@
 // 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)
-  #if defined(DISABLE_DIAG) && defined(DISABLE_EEPROM) && defined(DISABLE_PROG)
-    #warning you have sacrificed DIAG for HAL
-  #else
-    #define IO_NO_HAL
-  #endif
+#define IO_NO_HAL // HAL too big whatever you disable otherwise
+#ifndef ENABLE_VDPY
+#define DISABLE_VDPY
+#endif
 #endif
 
 #if __has_include ( "myAutomation.h")

version.h

@@ -3,7 +3,48 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.1.11"
+#define VERSION "5.2.16"
+// 5.2.16 - Bugfix to allow for devices using the EX-IOExpander protocol to have no analogue or no digital pins
+// 5.2.15 - move call to CommandDistributor::broadcastPower() into the TrackManager::setTrackPower(*) functions
+//        - add repeats to function packets that are not reminded in accordance with accessory packets
+// 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