Changed from Switch/case to if/elseif to save some runtime ram

libraries/MySensors/MyMessage.cpp

@@ -64,28 +64,21 @@ char* MyMessage::getString(char *buffer) const {
 		buffer[miGetLength()] = 0;
 		return buffer;
 	} else if (buffer != NULL) {
-		switch(payloadType) {
-			case P_BYTE:
-				itoa(bValue, buffer, 10);
-				break;
-			case P_INT16:
-				itoa(iValue, buffer, 10);
-				break;
-			case P_UINT16:
-				utoa(uiValue, buffer, 10);
-				break;
-			case P_LONG32:
-				ltoa(lValue, buffer, 10);
-				break;
-			case P_ULONG32:
-				ultoa(ulValue, buffer, 10);
-				break;
-			case P_FLOAT32:
-				dtostrf(fValue,2,fPrecision,buffer);
-				break;
-			case P_CUSTOM:
-				return getStream(buffer);
-				break;
+		if (payloadType == P_BYTE) {
+			itoa(bValue, buffer, 10);
+		} else if (payloadType == P_INT16) {
+			itoa(iValue, buffer, 10);
+		} else if (payloadType == P_UINT16) {
+			utoa(uiValue, buffer, 10);
+		} else if (payloadType == P_LONG32) {
+			ltoa(lValue, buffer, 10);
+		} else if (payloadType == P_ULONG32) {
+		
+			ultoa(ulValue, buffer, 10);
+		} else if (payloadType == P_FLOAT32) {
+			dtostrf(fValue,2,fPrecision,buffer);
+		} else if (payloadType == P_CUSTOM) {
+			return getStream(buffer);
 		}
 		return buffer;
 	} else {
@@ -94,12 +87,11 @@ char* MyMessage::getString(char *buffer) const {
 }
 
 uint8_t MyMessage::getByte() const {
-	switch(miGetPayloadType()) {
-	case P_BYTE:
+	if (miGetPayloadType() == P_BYTE) {
 		return data[0];
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atoi(data);
-	default:
+	} else {
 		return 0;
 	}
 }
@@ -109,56 +101,51 @@ bool MyMessage::getBool() const {
 }
 
 float MyMessage::getFloat() const {
-	switch(miGetPayloadType()) {
-	case P_FLOAT32:
+	if (miGetPayloadType() == P_FLOAT32) {
 		return fValue;
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atof(data);
-	default:
+	} else {
 		return 0;
 	}
 }
 
 long MyMessage::getLong() const {
-	switch(miGetPayloadType()) {
-	case P_LONG32:
+	if (miGetPayloadType() == P_LONG32) {
 		return lValue;
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atol(data);
-	default:
+	} else {
 		return 0;
 	}
 }
 
 unsigned long MyMessage::getULong() const {
-	switch(miGetPayloadType()) {
-	case P_ULONG32:
+	if (miGetPayloadType() == P_ULONG32) {
 		return ulValue;
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atol(data);
-	default:
+	} else {
 		return 0;
 	}
 }
 
 int MyMessage::getInt() const {
-	switch(miGetPayloadType()) {
-	case P_INT16:
+	if (miGetPayloadType() == P_INT16) { 
 		return iValue;
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atoi(data);
-	default:
+	} else {
 		return 0;
 	}
 }
 
 unsigned int MyMessage::getUInt() const {
-	switch(miGetPayloadType()) {
-	case P_UINT16:
+	if (miGetPayloadType() == P_UINT16) { 
 		return uiValue;
-	case P_STRING:
+	} else if (miGetPayloadType() == P_STRING) {
 		return atoi(data);
-	default:
+	} else {
 		return 0;
 	}
 

libraries/MySensors/MySensor.cpp

@@ -327,12 +327,10 @@ boolean MySensor::process() {
 			} else if (sender == GATEWAY_ADDRESS) {
 				bool isMetric;
 
-				switch (type) {
-				case I_REBOOT:
+				if (type == I_REBOOT) {
 					wdt_enable(WDTO_15MS);
 					for (;;);
-					break;
-				case I_ID_RESPONSE:
+				} else if (type == I_ID_RESPONSE) {
 					if (nc.nodeId == AUTO) {
 						nc.nodeId = msg.getByte();
 						// Write id to EEPROM
@@ -346,8 +344,7 @@ boolean MySensor::process() {
 						}
 						debug(PSTR("id=%d\n"), nc.nodeId);
 					}
-					break;
-				case I_CONFIG:
+				} else if (type == I_CONFIG) {
 					// Pick up configuration from controller (currently only metric/imperial)
 					// and store it in eeprom if changed
 					isMetric = msg.getByte() == 'M' ;
@@ -356,8 +353,7 @@ boolean MySensor::process() {
 						eeprom_write_byte((uint8_t*)EEPROM_CONTROLLER_CONFIG_ADDRESS, isMetric);
 						//eeprom_write_block((const void*)&cc, (uint8_t*)EEPROM_CONTROLLER_CONFIG_ADDRESS, sizeof(ControllerConfig));
 					}
-					break;
-				case I_CHILDREN:
+				} else if (type == I_CHILDREN) {
 					if (repeaterMode && msg.getByte() == 'C') {
 						// Clears child relay data for this node
 						debug(PSTR("rd=clear\n"));
@@ -366,8 +362,7 @@ boolean MySensor::process() {
 						}
 						sendRoute(build(msg, nc.nodeId, GATEWAY_ADDRESS, NODE_SENSOR_ID, C_INTERNAL, I_CHILDREN,false).set(""));
 					}
-					break;
-				case I_TIME:
+				} else if (type == I_TIME) {
 					if (timeCallback != NULL) {
 						// Deliver time to callback
 						timeCallback(msg.getULong());