Improve radio fail state check (#498)

libraries/MySensors/core/MyTransport.cpp

@@ -36,6 +36,7 @@ void stInitTransition() {
 	// initialize status variables
 	_transportSM.failedUplinkTransmissions = 0;
 	_transportSM.pingActive = false;
+	_transportSM.transportActive = false;
 
 	// Read node settings (ID, parentId, GW distance) from EEPROM
 	hwReadConfigBlock((void*)&_nc, (void*)EEPROM_NODE_ID_ADDRESS, sizeof(NodeConfig));
@@ -48,6 +49,7 @@ void stInitTransition() {
 	}
 	else {
 		debug(PSTR("RADIO:OK\n"));
+		_transportSM.transportActive = true;
 		#if defined(MY_GATEWAY_FEATURE)
 			// Set configuration for gateway
 			debug(PSTR("TSM:GW MODE\n"));
@@ -170,6 +172,7 @@ void stOKUpdate() {
 void stFailureTransition() {
 	debug(PSTR("!TSM:FAILURE\n"));
 	_transportSM.uplinkOk = false;
+	_transportSM.transportActive = false;
 	// power down transport, no need until re-init
 	debug(PSTR("TSM:PDT\n"));
 	transportPowerDown();
@@ -221,7 +224,7 @@ void transportProcess() {
 	// update state machine
 	transportUpdateSM();	
 	// process transport FIFO
-	transportProcessFIFO(); 
+	if (_transportSM.transportActive) transportProcessFIFO();
 }
 
 

libraries/MySensors/core/MyTransport.h

@@ -63,7 +63,8 @@ typedef struct {
 	bool preferredParentFound : 1;			//!< flag preferred parent found
 	bool uplinkOk : 1;						//!< flag uplink ok
 	bool pingActive : 1;					//!< flag ping active
-	uint8_t reserved : 4;					//!< reserved
+	bool transportActive : 1;				//!< flag transport active
+	uint8_t reserved : 3;					//!< reserved
 	uint8_t retries : 4;					//!< retries / state re-enter
 	uint8_t failedUplinkTransmissions : 4;	//!< counter failed uplink transmissions
 	uint8_t pingResponse;					//!< stores hops received in I_PONG