arduino/Adafruit_MQTT_Library
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publish works (QoS 0)

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ladyada
2015-05-31 23:19:13 -04:00
parent 0a943076c9
commit 1a0e611e01
4 changed files with 96 additions and 13 deletions
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42
Adafruit_MQTT.cpp
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@ -67,20 +67,50 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
p[1] = 0;
p+=2;
packet[1] = totallen;
return totallen+2;
}
uint8_t Adafruit_MQTT::publishPacket(uint8_t *packet, char *topic, char *data, uint8_t qos) {
uint8_t *p = packet;
uint16_t len = strlen(topic);
Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver, char *feed) {
mqtt = mqttserver;
strncpy(feedname, feed, FEEDNAME_SIZE);
feedname[FEEDNAME_SIZE-1] = 0;
p[0] = MQTT_CTRL_PUBLISH << 4 | qos << 1;
// fill in packet[1] last
p+=2;
p[0] = len >> 8;
p++;
p[0] = len & 0xFF;
p++;
memcpy(p, topic, len);
p+=len;
memcpy(p, data, strlen(data));
p+=strlen(data);
len = p - packet;
packet[1] = len-2;
return len;
}
Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT &mqttserver, char *feed, uint8_t q) {
mqtt = &mqttserver;
strncpy(topic, feed, FEEDNAME_SIZE);
topic[FEEDNAME_SIZE-1] = 0;
qos = q;
errno = 0;
}
bool Adafruit_MQTT_Publish::publish(int32_t i) {
char payload[18];
itoa(i, payload, 10);
return mqtt->publish(topic, payload, qos);
}
bool Adafruit_MQTT_Publish::publish(uint32_t i) {
char payload[18];
itoa(i, payload, 10);
return mqtt->publish(topic, payload, qos);
}