TM Broadcasts

TM changes will trigger TM state broadcasts

.gitignore

@@ -19,3 +19,4 @@ my*.h
 !my*.example.h
 .vscode/extensions.json
 .vscode/extensions.json
+compile_commands.json

CommandDistributor.cpp

@@ -233,3 +233,7 @@ void CommandDistributor::broadcastText(const FSH * msg) {
   broadcastReply(WITHROTTLE_TYPE, F("Hm%S\n"), msg);
 #endif
 }
+
+void CommandDistributor::broadcastTrackState(FSH* format,byte trackLetter,int16_t dcAddr) {
+  broadcastReply(COMMAND_TYPE, format,trackLetter,dcAddr);
+}

CommandDistributor.h

@@ -51,6 +51,7 @@ public :
   static int16_t retClockTime();
   static void broadcastPower();
   static void broadcastText(const FSH * msg);
+  static void broadcastTrackState(FSH* format,byte trackLetter,int16_t dcAddr);
   template<typename... Targs> static void broadcastReply(clientType type, Targs... msg);
   static void forget(byte clientId);
   

TrackManager.cpp

@@ -25,6 +25,7 @@
 #include "MotorDriver.h"
 #include "DCCTimer.h"
 #include "DIAG.h"
+#include"CommandDistributor.h"
 // Virtualised Motor shield multi-track hardware Interface
 #define FOR_EACH_TRACK(t) for (byte t=0;t<=lastTrack;t++)
     
@@ -203,6 +204,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 	  track[t]->setPower(POWERMODE::OFF);
 	  trackMode[t]=TRACK_MODE_OFF;
 	  track[t]->makeProgTrack(false);     // revoke prog track special handling
+    streamTrackState(NULL,t);
 	}
       track[trackToSet]->makeProgTrack(true); // set for prog track special handling
     } else {
@@ -210,7 +212,8 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
     }
     trackMode[trackToSet]=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.
 
@@ -290,36 +293,7 @@ bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
     
     if (params==0) { // <=>  List track assignments
         FOR_EACH_TRACK(t)
-            if (track[t]!=NULL) {
-                StringFormatter::send(stream,F("<= %c "),'A'+t);
-                switch(trackMode[t]) {
-                    case TRACK_MODE_MAIN:
-                        StringFormatter::send(stream,F("MAIN"));
-			if (track[t]->trackPWM)
-			  StringFormatter::send(stream,F("+"));
-                        break;
-                    case TRACK_MODE_PROG:
-                        StringFormatter::send(stream,F("PROG"));
-			if (track[t]->trackPWM)
-			  StringFormatter::send(stream,F("+"));
-                        break;
-                    case TRACK_MODE_OFF:
-                        StringFormatter::send(stream,F("OFF"));
-                        break;
-                    case TRACK_MODE_EXT:
-                        StringFormatter::send(stream,F("EXT"));
-                        break;
-                    case TRACK_MODE_DC:
-                        StringFormatter::send(stream,F("DC %d"),trackDCAddr[t]);
-                        break;
-                    case TRACK_MODE_DCX:
-                        StringFormatter::send(stream,F("DCX %d"),trackDCAddr[t]);
-                        break;
-                    default:
-                        break; // unknown, dont care    
-                    }
-                StringFormatter::send(stream,F(">\n"));
-                }
+             streamTrackState(stream,t);
         return true;
     }
     
@@ -349,6 +323,36 @@ bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
     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(trackMode[t]) {
+  case TRACK_MODE_MAIN:
+      format=F("<= %c MAIN>\n");
+      break;
+  case TRACK_MODE_PROG:
+      format=F("<= %c PROG>\n");
+      break;
+  case TRACK_MODE_OFF:
+      format=F("<= %c OFF>\n");
+      break;
+  case TRACK_MODE_EXT:
+      format=F("<= %c EXT>\n");
+      break;
+  case TRACK_MODE_DC:
+      format=F("<= %c DC %d>\n");
+      break;
+  case TRACK_MODE_DCX:
+      format=F("<= %c DCX %d>\n");
+      break;
+  default:
+      break; // unknown, dont care    
+  }
+  if (stream) StringFormatter::send(stream,format,'A'+t,trackDCAddr[t]);
+  else CommandDistributor::broadcastTrackState(format,'A'+t,trackDCAddr[t]);
+}
+
 byte TrackManager::nextCycleTrack=MAX_TRACKS;
 
 void TrackManager::loop() {

TrackManager.h

@@ -80,6 +80,8 @@ class TrackManager {
     static void reportGauges(Print* stream);
     static void reportCurrent(Print* stream);
     static void reportObsoleteCurrent(Print* stream); 
+    static void streamTrackState(Print* stream, byte t);
+
     static int16_t joinRelay;
     static bool progTrackSyncMain;  // true when prog track is a siding switched to main
      static bool progTrackBoosted;   // true when prog track is not current limited

version.h

@@ -4,7 +4,8 @@
 #include "StringFormatter.h"
 
 
-#define VERSION "4.2.21"
+#define VERSION "4.2.22"
+// 4.2.22 - Implement broadcast of Track Manager changes
 // 4.2.21 - Implement non-blocking I2C for EX-IOExpander device driver
 // 4.2.20 - <JG> & <JI> commands for multi-track gauges
 //        - Reinstate <c> but remember its a bit useless when TM involved.