arduino/Adafruit_MQTT_Library
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This commit is contained in:
ladyada
2015-06-02 18:33:03 -04:00
parent 7c5113e32e
commit 0152ac91cb
4 changed files with 266 additions and 66 deletions
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29
Adafruit_MQTT.h
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@ -12,6 +12,8 @@
#define MQTT_CTRL_CONNECT 0x01
#define MQTT_CTRL_CONNECTACK 0x02
#define MQTT_CTRL_PUBLISH 0x03
#define MQTT_CTRL_SUBSCRIBE 0x08
#define MQTT_CTRL_SUBACK 0x09
#define MQTT_CTRL_PINGREQ 0x0C
#define MQTT_CTRL_PINGRESP 0x0D
@ -39,7 +41,18 @@
#define MQTT_CONN_CLEANSESSION 0x02
#define MQTT_CONN_KEEPALIVE 15 // in seconds
#define MAXBUFFERSIZE (60)
#define MAXBUFFERSIZE (85)
#define MAXSUBSCRIPTIONS 5
#define SUBSCRIPTIONDATALEN 20
//#define DEBUG_MQTT_CONNECT
//#define DEBUG_MQTT_SUBSCRIBE
//#define DEBUG_MQTT_READSUB
//#define DEBUG_MQTT_PUBLISH
//#define DEBUG_MQTT_PACKETREAD
class Adafruit_MQTT_Subscribe; // forward decl
class Adafruit_MQTT {
public:
@ -53,6 +66,11 @@ class Adafruit_MQTT {
virtual boolean ping(uint8_t t) {}
uint8_t pingPacket(uint8_t *packet);
virtual boolean subscribe(Adafruit_MQTT_Subscribe *sub) {}
uint8_t subscribePacket(uint8_t *packet, const char *topic, uint8_t qos);
virtual Adafruit_MQTT_Subscribe *readSubscription(int16_t timeout = 0) {};
protected:
int8_t errno;
const char *servername;
@ -62,6 +80,7 @@ class Adafruit_MQTT {
const char *username;
const char *password;
Adafruit_MQTT_Subscribe *subscriptions[MAXSUBSCRIPTIONS];
uint8_t buffer[MAXBUFFERSIZE];
};
@ -82,10 +101,16 @@ private:
class Adafruit_MQTT_Subscribe {
public:
Adafruit_MQTT_Subscribe(Adafruit_MQTT *mqttserver, char *feedname);
Adafruit_MQTT_Subscribe(Adafruit_MQTT *mqttserver, const char *feedname, uint8_t q=0);
bool setCallback(void (*callback)(char *));
const char *topic;
uint8_t qos;
uint8_t * lastread[SUBSCRIPTIONDATALEN];
private:
Adafruit_MQTT *mqtt;
};