added some message builder helpers. Optimized libray a bit using inline functions and macros.

Converted Dallas example to use new library api.

libraries/MySensors/MyMessage.cpp

@@ -4,6 +4,7 @@
 
 
 MyMessage::MyMessage() {
+	destination = 0; // Gateway is default destination
 }
 
 
@@ -60,6 +61,7 @@ uint8_t MyMessage::getByte() {
 		return 0;
 	}
 }
+
 bool MyMessage::getBool() {
 	return !(data[0]-'0'==0);
 }
@@ -114,6 +116,21 @@ unsigned int MyMessage::getUInt() {
 }
 
 
+MyMessage MyMessage::setType(uint8_t _type) {
+	type = _type;
+	return *this;
+}
+
+MyMessage MyMessage::setSensor(uint8_t _sensor) {
+	sensor = _sensor;
+	return *this;
+}
+
+MyMessage MyMessage::setDestination(uint8_t _destination) {
+	destination = _destination;
+	return *this;
+}
+
 // Set payload
 MyMessage MyMessage::set(void* value, uint8_t length) {
 	miSetPayloadType(P_CUSTOM);

libraries/MySensors/MyMessage.h

@@ -100,8 +100,8 @@ typedef enum {
 
 
 // Check and fetch data from special messages
-#define isTimeResponse(_msg) (mGetCommand(_msg)==C_INTERN && _msg.type==I_TIME)
-#define isConfigResponse(_msg) (mGetCommand(_msg)==C_INTERN && _msg.type==I_CONFIG)
+#define isTimeResponse(_msg) (mGetCommand(_msg)==C_INTERNAL && _msg.type==I_TIME)
+#define isConfigResponse(_msg) (mGetCommand(_msg)==C_INTERNAL && _msg.type==I_CONFIG)
 #define mIsMetric(_msg) (_msg.getByte() == 'M')
 
 
@@ -126,6 +126,10 @@ public:
 	int getInt();
 	unsigned int getUInt();
 
+	// Setters for building message "on the fly"
+	MyMessage setType(uint8_t type);
+	MyMessage setSensor(uint8_t sensor);
+	MyMessage setDestination(uint8_t destination);
 
 	// Setters for payload
 	MyMessage set(void* payload, uint8_t length);

libraries/MySensors/MySensor.cpp

@@ -11,6 +11,27 @@
 
 #include "MySensor.h"
 
+// Inline and macros
+inline MyMessage build (MyMessage msg, uint8_t sender, uint8_t destination, uint8_t sensor, uint8_t command, uint8_t type) {
+	msg.sender = sender;
+	msg.destination = destination;
+	msg.sensor = sensor;
+	msg.type = type;
+	mSetCommand(msg,command);
+	return msg;
+}
+
+// Created macros for these, compiler seems to do a bad job when doing sendRoute(build(...))
+#define buildSend(_msg, _sender, _destination, _sensor, _cmd, _type) \
+		build(_msg, _sender, _destination, _sensor, _cmd, _type);\
+		sendRoute(_msg);
+
+#define buildSendPayload(_msg, _sender, _destination, _sensor, _cmd, _type, _value) \
+		build(_msg, _sender, _destination, _sensor, _cmd, _type).set(_value);\
+		_msg.set(_value);\
+		sendRoute(_msg);
+
+
 MySensor::MySensor(uint8_t _cepin, uint8_t _cspin) : RF24(_cepin, _cspin) {
 }
 
@@ -109,7 +130,7 @@ void MySensor::findParentNode() {
 	s.distance = 255;
 
 	// Send ping message to BROADCAST_ADDRESS (to which all relaying nodes and gateway listens and should reply to)
-	build(msg, s.nodeId, BROADCAST_ADDRESS, NODE_CHILD_ID, C_INTERNAL, I_PING)
+	build(msg, s.nodeId, BROADCAST_ADDRESS, NODE_CHILD_ID, C_INTERNAL, I_PING);
 	sendWrite(BROADCAST_ADDRESS, msg, true);
 
 	unsigned long enter = millis();

libraries/MySensors/MySensor.h

@@ -56,22 +56,6 @@
 
 #define FIND_RELAY_AFTER_FAILED_TRANSMISSIONS 5
 
-#define build(_msg, _sender, _destination, _sensor, _cmd, _type) \
-	_msg.sender = _sender; \
-	_msg.destination = _destination;\
-	_msg.sensor = _sensor; \
-	_msg.type = _type; \
-	mSetCommand(_msg,_cmd); \
-
-#define buildSend(_msg, _sender, _destination, _sensor, _cmd, _type) \
-	build(_msg, _sender, _destination, _sensor, _cmd, _type) \
-	sendRoute(_msg);
-
-#define buildSendPayload(_msg, _sender, _destination, _sensor, _cmd, _type, _value) \
-	build(_msg, _sender, _destination, _sensor, _cmd, _type) \
-	_msg.set(_value); \
-	sendRoute(_msg);
-
 
 class MySensor : public RF24
 {

libraries/MySensors/examples/DallasTemperatureSensor/DallasTemperatureSensor.ino

@@ -1,61 +1,93 @@
+// Example sketch showing how to send in OneWire temperature readings
+#include <MySensor.h>  
 #include <Sleep_n0m1.h>
 #include <SPI.h>
-#include <EEPROM.h>  
 #include <DallasTemperature.h>
 #include <OneWire.h>
 #include <RF24.h>
-#include <Sensor.h>  
 
 #define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected 
 #define MAX_ATTACHED_DS18B20 16
 unsigned long SLEEP_TIME = 30; // Sleep time between reads (in seconds)
-
 OneWire oneWire(ONE_WIRE_BUS);
 DallasTemperature sensors(&oneWire);
-Sensor gw;
+MySensor gw;
 Sleep sleep;
 float lastTemperature[MAX_ATTACHED_DS18B20];
 int numSensors=0;
+boolean receivedConfig = false;
 boolean metric = true; 
+MyMessage out;
 
 void setup()  
 { 
+  // Startup OneWire 
   sensors.begin();
-  gw.begin(); 
+
+  // Startup and initialize MySensors library. Set callback for incoming messages. 
+  gw.begin(response); 
 
   // Send the sketch version information to the gateway and Controller
-  gw.sendSketchInfo("Temperature Sensor", "1.0");
+  gw.sketchInfo("Temperature Sensor", "1.0");
 
-  // Fetch the number of attached sensors  
+  // Fetch the number of attached temperature sensors  
   numSensors = sensors.getDeviceCount();
-  // Register all sensors to gw (they will be created as child devices)
+
+  // Present all sensors to controller
   for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {   
-     gw.sendSensorPresentation(i, S_TEMP);
+     gw.present(i, S_TEMP);
   }
-  metric = gw.isMetricSystem();
+
+  // Request configuration from controller (use this to determine if we're supposed to send in Ceclscius or Farenheit)
+  gw.requestConfig();
+  
+  // Initialize outgoing message to always send temperature
+  out.type = V_TEMP;
 }
 
+
 void loop()     
 {     
-  sensors.requestTemperatures(); // Fetch temperatures from Dallas
-  delay(100);
-  for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
-    // Fetch and round temperature to one decimal
-    float temperature = static_cast<float>(static_cast<int>((metric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
-    // Only send data if temperature has changed and no error
-    if (lastTemperature[i] != temperature && temperature != -127.00) {
-      gw.powerUp(); // Powerup introduces a small delay (which is missing in radio.write powerup)
-      // Send variable (using registered shortcut) to gw
-      gw.sendVariable(i, V_TEMP, temperature, 1);
-      lastTemperature[i]=temperature;
+  // Process incoming messages
+  gw.process(); 
+
+  if (receivedConfig) {
+    // Fetch temperatures from Dallas sensors
+    sensors.requestTemperatures(); 
+
+    // Read temperatures and send them to controller 
+    for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
+ 
+      // Fetch and round temperature to one decimal
+      float temperature = static_cast<float>(static_cast<int>((metric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
+ 
+      // Only send data if temperature has changed and no error
+      if (lastTemperature[i] != temperature && temperature != -127.00) {
+ 
+        // Send in the new temperature
+        gw.send(out.setSensor(i).set(temperature,1));
+        lastTemperature[i]=temperature;
+      }
     }
+    // Power down the radio and sleep Arduino to save batteries.  
+    delay(500);
+    gw.powerDown();
+    sleep.pwrDownMode(); //set sleep mode
+    sleep.sleepDelay(SLEEP_TIME * 1000); //sleep for: sleepTime 
+  } else {
+    // We're still missing the configuration. Wait a little bit and request it again.
+    delay(1000);  
+    gw.requestConfig();
+  }
+}
+
+void response(MyMessage msg) {
+  // Check that received message is a configuration
+  if (isConfigResponse(msg)) {
+    // Read config from message
+    metric = mIsMetric(msg);
+    receivedConfig = true;
   }
-  // Power down the radio.  Note that the radio will get powered back up
-  // on the next write() call.
-  delay(500);
-  gw.powerDown();
-  sleep.pwrDownMode(); //set sleep mode
-  sleep.sleepDelay(SLEEP_TIME * 1000); //sleep for: sleepTime 
 }
 
 

libraries/MySensors/examples/RelayActuator/RelayActuator.ino

@@ -1,7 +1,5 @@
 // Example sketch showing how to control physical relays. 
 
-#include <MyConfig.h>
-#include <MyMessage.h>
 #include <MySensor.h>
 #include <SPI.h>
 #include <RF24.h>