.gitignore

@@ -15,3 +15,4 @@ my*.h
 compile_commands.json
 newcode.txt.old
 UserAddin.txt
+platformio.ini

CamParser.cpp

@@ -19,7 +19,7 @@
  *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-//sensorCAM parser.cpp version 3.06  Jan 2025
+//sensorCAM parser.cpp version 3.05  Jan 2025
 #include "DCCEXParser.h"
 #include "CamParser.h"
 #include "FSH.h"
@@ -32,7 +32,7 @@ const int16_t ve =2899;
 // the CamParser::addVpin() function.
 // The CAMBaseVpin is the one to be used when commands are given without a vpin. 
 VPIN CamParser::CAMBaseVpin = 0; // no vpins yet known 
-VPIN CamParser::CAMVPINS[] = {0,0,0,0};  // determines max # CAM's
+VPIN CamParser::CAMVPINS[] = {0,0,0,0}; // no vpins yet known 
 int CamParser::vpcount=sizeof(CAMVPINS)/sizeof(CAMVPINS[0]);
 
 void CamParser::parse(Print * stream, byte & opcode, byte & paramCount, int16_t p[]) {
@@ -43,7 +43,6 @@ void CamParser::parse(Print * stream, byte & opcode, byte & paramCount, int16_t
      
 bool CamParser::parseN(Print * stream, byte paramCount, int16_t p[]) {
   (void)stream;  // probably unused parameter 
-  if (CAMBaseVpin==0) CAMBaseVpin=CAMVPINS[0];  // default to CAM 1.
   VPIN vpin=CAMBaseVpin;   //use current CAM selection
 
   if (paramCount==0) { 
@@ -60,21 +59,20 @@ bool CamParser::parseN(Print * stream, byte paramCount, int16_t p[]) {
 
   if(camop=='C'){ 
     if(p[1]>=100) CAMBaseVpin=p[1];
-    if(p[1]<=vpcount && p[1]>0)    CAMBaseVpin=CAMVPINS[p[1]-1];
+    if(p[1]<vpcount)    CAMBaseVpin=CAMVPINS[p[1]];
     DIAG(F("CAM base Vpin: %c %d "),p[0],CAMBaseVpin);
     return true;
   }
   if (camop<100) {               //switch CAM# if p[1] dictates
-    if(p[1]>=100 && p[1]<=(vpcount*100+99)) {  //limits to CAM# 1 to 4 for now
+    if(p[1]>=100 && p[1]<(vpcount*100)) {  //limits to CAM# 1 to 3 for now
-      vpin=CAMVPINS[p[1]/100-1];
+      vpin=CAMVPINS[p[1]/100];
       CAMBaseVpin=vpin;     
       DIAG(F("switching to CAM %d baseVpin:%d"),p[1]/100,vpin); 
       p[1]=p[1]%100;             //strip off CAM #
     } 
   }
-  if (CAMBaseVpin==0) {DIAG(F("<n Error: Invalid CAM selected, default to CAM1>"));
+  if (CAMBaseVpin==0) return false; // no cam defined 
-    return false; // cam not defined
+
-  }	
   
       // send UPPER case to sensorCAM to flag binary data from a DCCEX-CS parser  
   switch(paramCount) {    
@@ -91,13 +89,13 @@ bool CamParser::parseN(Print * stream, byte paramCount, int16_t p[]) {
       break;
     
     case 3:              //<N vpin rowY colx > or <N cmd p1 p2>
+      camop=p[0];
       if (p[0]>=100) {   //vpin - i.e. NOT 'A' through 'Z'
         if (p[1]>236 || p[1]<0) return false;     //row
         if (p[2]>316 || p[2]<0) return false;     //column
         camop=0x80;      // special 'a' case for IO_SensorCAM
         vpin = p[0];
       }else if (STRCHR_P((const char *)F("IJMNT"),camop) == nullptr) return false; 
-	  camop=p[0];
       param1 = p[1];  
       param3 = p[2];
       break;

DCC.cpp

@@ -268,9 +268,14 @@ bool DCC::setFn( int cab, int16_t functionNumber, bool on) {
 
 // Flip function state (used from withrottle protocol)
 void DCC::changeFn( int cab, int16_t functionNumber) {
-  auto currentValue=getFn(cab,functionNumber);
+  if (cab<=0 || functionNumber>31) return;
-  if (currentValue<0) return;  // function not valid for change  
+  auto slot=lookupSpeedTable(cab);
-  setFn(cab,functionNumber, currentValue?false:true);
+  unsigned long funcmask = (1UL<<functionNumber);
+  slot->functions ^= funcmask;
+  if (functionNumber <= 28) {
+    updateGroupflags(slot->groupFlags, functionNumber);
+  }
+  CommandDistributor::broadcastLoco(slot);
 }
 
 // Report function state (used from withrottle protocol)

DCCEXParser.cpp

@@ -408,7 +408,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 	      ) break;
           // Honour the configuration option (config.h) which allows the <a> command to be reversed
 	  // Because of earlier confusion we need to do the same thing under both defines
-#if defined(DCC_ACCESSORY_COMMAND_REVERSE)
+#if defined(DCC_ACCESSORY_COMMAND_REVERSE) || defined(DCC_ACCESSORY_RCN_213)
           DCC::setAccessory(address, subaddress,p[activep]==0,onoff);
 #else
           DCC::setAccessory(address, subaddress,p[activep]==1,onoff);

Turnouts.cpp

@@ -379,7 +379,7 @@
     // DCC++ Classic behaviour is that Throw writes a 1 in the packet,
     // and Close writes a 0.  
     // RCN-213 specifies that Throw is 0 and Close is 1.
-#ifndef DCC_TURNOUTS_RCN_213
+#if defined(DCC_TURNOUTS_RCN_213)
     close = !close;
 #endif
     DCC::setAccessory(_dccTurnoutData.address, _dccTurnoutData.subAddress, close);

config.example.h

@@ -269,8 +269,8 @@ The configuration file for DCC-EX Command Station
 // over DCC++. This #define likewise inverts the behaviour of the <a> command
 // for triggering DCC Accessory Decoders, so that <a addr subaddr 0> generates a
 // DCC packet with D=1 (close turnout) and <a addr subaddr 1> generates D=0 
-// (throw turnout).
+// (throw turnout). This is the same as DCC_ACCESSORY_COMMAND_REVERSE
-//#define DCC_ACCESSORY_COMMAND_REVERSE
+//#define DCC_ACCESSORY_RCN_213
 
 
 // HANDLING MULTIPLE SERIAL THROTTLES

version.h

@@ -3,10 +3,7 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.5.11"
+#define VERSION "5.5.8"
-// 5.5.11 - (5.4.2) accessory command reverse
-// 5.5.10 - CamParser fix
-// 5.5.9  - (5.4.3) fix changeFn for functions 29..31
 // 5.5.8  - EXSensorCam clean up to match other filters and
 //        - avoid need for config.h settings
 //        - Test: IO_I2CDFPlayer.h inserted 10mS deleay in Init_SC16IS752() just after soft-reset for board with 1.8432 Mhz xtal
@@ -26,9 +23,6 @@
 // 5.5.2  - DS1307 Real Time clock 
 // 5.5.1  - Momentum 
 // 5.5.0  - New version on devel
-// 5.4.3  - bugfix changeFn for functions 29..31
-// 5.4.2  - Reversed turnout bugfix
-// 5.4.1  - ESP32 bugfix packet buffer race
 // 5.4.0  - New version on master
 // 5.2.96 - EXRAIL additions XFWD() and XREV()
 // 5.2.95 - Release candidate for 5.4