Merge pull request #27 from Debianguru/master

fixes high CPU load if remote sensors not present

Author: henrikekblad

MySensor.cpp

@@ -116,7 +116,7 @@ void MySensor::setupRadio(rf24_pa_dbm_e paLevel, uint8_t channel, rf24_datarate_
 
 	if (!RF24::isPVariant()) {
 		debug(PSTR("check wires\n"));
-		while(1);
+		throw "check wires";
 	}
 	RF24::setAutoAck(1);
 	RF24::setAutoAck(BROADCAST_PIPE,false); // Turn off auto ack for broadcast
@@ -347,15 +347,17 @@ boolean MySensor::process() {
 #ifndef __Raspberry_Pi
 					// Requires MySensors or other bootloader with watchdogs enabled
 					wdt_enable(WDTO_15MS);
-					for (;;);
+					//for (;;);
+					throw "I_REBOOT";
 #endif
 				} else if (type == I_ID_RESPONSE) {
 					if (nc.nodeId == AUTO) {
 						nc.nodeId = msg.getByte();
 						if (nc.nodeId == AUTO) {
 							// sensor net gateway will return max id if all sensor id are taken
 							debug(PSTR("full\n"));
-							while (1); // Wait here. Nothing else we can do...
+							//while (1); // Wait here. Nothing else we can do...
+							throw "full";
 						}
 						setupNode();
 						// Write id to EEPROM

PiGateway.cpp

@@ -66,8 +66,10 @@ int main(int argc, char** argv)
 {
 	openSyslog();
 	setup();
-	while(1)
+	while(1) {
 		loop();
+		sleep(1);
+	}
 	closeSyslog();
 	return 0;
-}
+}

PiGatewaySerial.cpp

@@ -271,6 +271,7 @@ int main(int argc, char **argv)
 		if (ret == -1)
 		{
 			log(LOG_ERR,"poll() error (%d) %s\n", errno, strerror(errno));
+			sleep(10);
 		}
 		else if (ret == 0)
 		{
@@ -294,6 +295,8 @@ int main(int argc, char **argv)
 				buff[size] = '\0';
 
 				gw->parseAndSend(buff);
+			} else {
+				sleep(60);
 			}
 		}
 	}