Merge pull request #9 from myDevicesIoT/feature/mkr1000-support

Support for MKR1000 and other SAMD boards.

Author: jburhenn

examples/Connections/MKR1000/MKR1000.ino

@@ -0,0 +1,44 @@
+// This example shows how to connect to Cayenne using an Arduino/Genuino MKR1000 and send/receive sample data.
+
+//#define CAYENNE_DEBUG
+#define CAYENNE_PRINT Serial
+#include <CayenneMQTTMKR1000.h>
+
+// WiFi network info.
+char ssid[] = "ssid";
+char wifiPassword[] = "wifiPassword";
+
+// Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
+char username[] = "MQTT_USERNAME";
+char password[] = "MQTT_PASSWORD";
+char clientID[] = "CLIENT_ID";
+
+unsigned long lastMillis = 0;
+
+void setup() {
+	Serial.begin(9600);
+	Cayenne.begin(username, password, clientID, ssid, wifiPassword);
+}
+
+void loop() {
+	Cayenne.loop();
+
+	//Publish data every 10 seconds (10000 milliseconds). Change this value to publish at a different interval.
+	if (millis() - lastMillis > 10000) {
+		lastMillis = millis();
+		//Write data to Cayenne here. This example just sends the current uptime in milliseconds.
+		Cayenne.virtualWrite(0, lastMillis);
+		//Some examples of other functions you can use to send data.
+		//Cayenne.celsiusWrite(1, 22.0);
+		//Cayenne.luxWrite(2, 700);
+		//Cayenne.virtualWrite(3, 50, TYPE_PROXIMITY, UNIT_CENTIMETER);
+	}
+}
+
+//Default function for processing actuator commands from the Cayenne Dashboard.
+//You can also use functions for specific channels, e.g CAYENNE_IN(1) for channel 1 commands.
+CAYENNE_IN_DEFAULT()
+{
+	CAYENNE_LOG("CAYENNE_IN_DEFAULT(%u) - %s, %s", request.channel, getValue.getId(), getValue.asString());
+	//Process message here. If there is an error set an error message using getValue.setError(), e.g getValue.setError("Error message");
+}

src/CayenneArduinoDefines.h

@@ -41,8 +41,11 @@ Logging code adapted from Blynk library BlynkDebug.h. Copyright info below.
 	#endif
 #endif
 
+#include <stdio.h>
+#include <stdarg.h>
+
 #ifdef CAYENNE_PRINT
-	static void log(const char* PROGMEM message, ...)
+	static void log(const char* CAYENNE_PROGMEM message, ...)
 	{
 		va_list args;
 		va_start(args, message);

src/CayenneArduinoMQTTClient.h

@@ -121,8 +121,12 @@ class CayenneArduinoMQTTClient
 	* Send device info
 	*/
 	void publishDeviceInfo() {
+#ifdef INFO_DEVICE
 		publishData(SYS_MODEL_TOPIC, CAYENNE_NO_CHANNEL, F(INFO_DEVICE));
+#endif
+#ifdef INFO_CPU
 		publishData(SYS_CPU_MODEL_TOPIC, CAYENNE_NO_CHANNEL, F(INFO_CPU));
+#endif
 		publishData(SYS_CPU_SPEED_TOPIC, CAYENNE_NO_CHANNEL, F_CPU);
 		publishData(SYS_VERSION_TOPIC, CAYENNE_NO_CHANNEL, F(CAYENNE_VERSION));
 	}

src/CayenneMQTTMKR1000.h

@@ -0,0 +1,23 @@
+/*
+The MIT License(MIT)
+
+Cayenne Arduino Client Library
+Copyright © 2016 myDevices
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
+documentation files(the "Software"), to deal in the Software without restriction, including without limitation 
+the rights to use, copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the Software,
+and to permit persons to whom the Software is furnished to do so, subject to the following conditions :
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR 
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef _CAYENNEMQTTMKR1000_h
+#define _CAYENNEMQTTMKR1000_h
+
+#include "CayenneMQTTWiFi101.h"
+
+#endif

src/CayenneUtils/CayenneDefines.h

@@ -47,7 +47,7 @@ ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEAL
 //#define PARSE_INFO_PAYLOADS
 
 //Some defines for AVR microcontrollers to allow easier usage of memory in program space.
-#if defined(__AVR__) || defined(ARDUINO_ARCH_SAM)
+#if defined(__AVR__) || defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
 #include <avr/pgmspace.h>
 #define CAYENNE_USING_PROGMEM
 #define CAYENNE_PROGMEM PROGMEM

src/DetectDevice.h

@@ -31,6 +31,8 @@
     #define INFO_CPU      "ATmega32U4"
     #elif defined(__SAM3X8E__)
     #define INFO_CPU      "AT91SAM3X8E"
+    #elif defined(__SAMD21G18A__)
+    #define INFO_CPU      "ATSAMD21G18"
 
     /******************************************
      * ATtiny