Small fixes

- Fixed compiler error in case #define N2K_NO_HEARTBEAT_SUPPORT 1 has been used.
- Fixed priority setting test on tN2kGroupFunctionHandler::HandleCommand and tN2kGroupFunctionHandlerForPGN126998::HandleCommand
- Fixed Mode setting on SetN2kPGN129540

Documents/src/changes.md

@@ -1,6 +1,12 @@
 # Changes to the Library {#changes}
 \tableofcontents
 
+## 22.01.2024
+
+- Fixed compiler error in case #define N2K_NO_HEARTBEAT_SUPPORT 1 has been used.
+- Fixed priority setting test on tN2kGroupFunctionHandler::HandleCommand and tN2kGroupFunctionHandlerForPGN126998::HandleCommand
+- Fixed Mode setting on SetN2kPGN129540
+
 ## 21.01.2024
 
 - Document update. Updates on document sources and code sources.

library.json

@@ -13,7 +13,7 @@
     "url": "http://www.kave.fi",
     "maintainer": true
   },
-  "version": "4.20.1",
+  "version": "4.20.2",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*"

library.properties

@@ -1,5 +1,5 @@
 name=NMEA2000
-version=4.20.1
+version=4.20.2
 author=Timo Lappalainen
 maintainer=Kave Oy <www.kave.fi>
 sentence=NMEA 2000 library for building compatible devices for NMEA 2000 bus.

src/N2kGroupFunction.cpp

@@ -175,7 +175,7 @@ bool tN2kGroupFunctionHandler::HandleCommand(const tN2kMsg &N2kMsg, uint8_t Prio
     tN2kGroupFunctionTransmissionOrPriorityErrorCode TORec=N2kgfTPec_Acknowledge;
     tN2kGroupFunctionParameterErrorCode PARec=N2kgfpec_Acknowledge;
 
-		if (PrioritySetting != 0x08 || PrioritySetting != 0x0f || PrioritySetting != 0x09) TORec = N2kgfTPec_TransmitIntervalOrPriorityNotSupported;
+		if ( !(PrioritySetting == 0x08 || PrioritySetting == 0x0f || PrioritySetting == 0x09) ) TORec = N2kgfTPec_TransmitIntervalOrPriorityNotSupported;
 
     SendAcknowledge(pNMEA2000,N2kMsg.Source,iDev,GetPGNForGroupFunction(N2kMsg),
                     PGNec,

src/N2kGroupFunctionDefaultHandlers.cpp

@@ -463,7 +463,7 @@ bool tN2kGroupFunctionHandlerForPGN126998::HandleCommand(const tN2kMsg &N2kMsg,
   tN2kGroupFunctionTransmissionOrPriorityErrorCode pec=N2kgfTPec_Acknowledge;
   tN2kMsg N2kRMsg;
 
- 		if (PrioritySetting != 0x08 || PrioritySetting != 0x0f || PrioritySetting != 0x09) pec = N2kgfTPec_TransmitIntervalOrPriorityNotSupported;
+ 		if ( !(PrioritySetting == 0x08 || PrioritySetting == 0x0f || PrioritySetting == 0x09) ) pec = N2kgfTPec_TransmitIntervalOrPriorityNotSupported;
 
     SetStartAcknowledge(N2kRMsg,N2kMsg.Source,PGN,
                         N2kgfPGNec_Acknowledge,  // What we actually should response as PGN error, if we have invalid field?

src/N2kMessages.cpp

@@ -1258,7 +1258,7 @@ void SetN2kPGN129540(tN2kMsg& N2kMsg, unsigned char SID, tN2kRangeResidualMode M
     N2kMsg.SetPGN(129540L);
     N2kMsg.Priority=6;
     N2kMsg.AddByte(SID);
-    N2kMsg.AddByte(0xfc || Mode);
+    N2kMsg.AddByte(0xfc | (Mode & 0x03) );
     N2kMsg.AddByte(0); // Init satellite count to 0
 }
 

src/NMEA2000.cpp

@@ -1231,7 +1231,9 @@ bool tNMEA2000::Open() {
     StartAddressClaim();
     tN2kSyncScheduler::SetSyncOffset();
     if ( OnOpen!=0 ) OnOpen();
+    #if !defined(N2K_NO_HEARTBEAT_SUPPORT)
     SetHeartbeatIntervalAndOffset(DefaultHeartbeatInterval,10000); // Init default hearbeat interval and offset.
+    #endif
   } else {
     unsigned long canId;
     unsigned char len = 0;