Create MyMQTT.h

MQTTGateway beta 0.1

Author: Damme

libraries/MySensors/MyMQTT.h

@@ -0,0 +1,80 @@
+/*
+The MySensors library adds a new layer on top of the RF24 library.
+It handles radio network routing, relaying and ids.
+
+Created by Henrik Ekblad <[email protected]>
+Modified by Daniel Wiegert
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+version 2 as published by the Free Software Foundation.
+*/
+
+#ifndef MyMQTT_h
+#define MyMQTT_h
+
+#include "MySensor.h"
+
+
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifdef DEBUG
+#define TCPDUMP						// Dump TCP packages.
+#endif
+
+#define MQTT_FIRST_SENSORID	20  		// If you want manually configured nodes below this value.
+#define MQTT_LAST_SENSORID	254 		// 254 is max! 255 reserved.
+#define MQTT_BROKER_PREFIX	"MyMQTT"	// First prefix in MQTT tree, keep short!
+#define MQTT_SEND_SUBSCRIPTION 1		// Send empty payload (request) to node upon MQTT client subscribe request.
+// NOTE above : Beware to check if there is any length on payload in your incommingMessage code:
+// Example: if (msg.type==V_LIGHT && strlen(msg.getString())>0) otherwise the code might do strange things.
+
+///////////////////////////////////////////////////////////////////////////////////
+
+#define EEPROM_LATEST_NODE_ADDRESS EEPROM_LOCAL_CONFIG_ADDRESS+0
+#define MQTT_MAX_PACKET_SIZE 100
+
+#define MQTTPROTOCOLVERSION 3
+#define MQTTCONNECT     1  // Client request to connect to Server
+#define MQTTCONNACK     2  // Connect Acknowledgment
+#define MQTTPUBLISH     3  // Publish message
+#define MQTTPUBACK      4  // Publish Acknowledgment
+#define MQTTPUBREC      5  // Publish Received (assured delivery part 1)
+#define MQTTPUBREL      6  // Publish Release (assured delivery part 2)
+#define MQTTPUBCOMP     7  // Publish Complete (assured delivery part 3)
+#define MQTTSUBSCRIBE   8  // Client Subscribe request
+#define MQTTSUBACK      9  // Subscribe Acknowledgment
+#define MQTTUNSUBSCRIBE 10 // Client Unsubscribe request
+#define MQTTUNSUBACK    11 // Unsubscribe Acknowledgment
+#define MQTTPINGREQ     12 // PING Request
+#define MQTTPINGRESP    13 // PING Response
+#define MQTTDISCONNECT  14 // Client is Disconnecting
+#define MQTTReserved    15 // Reserved
+
+#define MQTTQOS0        (0 << 1)
+#define MQTTQOS1        (1 << 1)
+#define MQTTQOS2        (2 << 1)
+
+class MyMQTT : 
+public MySensor {
+public:
+	MyMQTT(uint8_t _cepin=9, uint8_t _cspin=10);
+
+	void begin(rf24_pa_dbm_e paLevel=RF24_PA_LEVEL_GW, uint8_t channel=RF24_CHANNEL, rf24_datarate_e dataRate=RF24_DATARATE, void (*dataCallback)(char *, int *)=NULL);
+	void processRadioMessage();
+	void processMQTTMessage(char *inputString, int inputPos);
+	
+private:
+	bool MQTTClient;
+	char buffer[MQTT_MAX_PACKET_SIZE];
+	int buffsize;
+	char convBuf[MAX_PAYLOAD*2+1];
+	boolean useWriteCallback;
+	void (*dataCallback)(char *, int *);
+	void SendMQTT(MyMessage &msg);
+	char strncpysType_retL(char *str, char index, char start);
+};
+
+
+
+#endif
+