static void ICACHE_FLASH_ATTR mqtt_app_timer_cb(void *arg){
struct ip_info ipConfig;
wifi_get_ip_info(STATION_IF, &ipConfig);
wifiStatus = wifi_station_get_connect_status();
//check wifi
if(wifiStatus != lastWifiStatus){
lastWifiStatus = wifiStatus;
if(wifiStatus==STATION_GOT_IP && ipConfig.ip.addr != 0){
MQTT_DBG("MQTT: Detected wifi network up");
MQTT_Connect(&mqtt_client);
}
else{
MQTT_DBG("MQTT: Detected wifi network down");
MQTT_Disconnect(&mqtt_client);
}
}
}
static void mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len)
{
char *topicBuf = (char*)os_zalloc(topic_len+1),
*dataBuf = (char*)os_zalloc(data_len+1);
MQTT_Client* client = (MQTT_Client*)args;
os_memcpy(topicBuf, topic, topic_len);
topicBuf[topic_len] = 0;
os_memcpy(dataBuf, data, data_len);
dataBuf[data_len] = 0;
MQTT_DBG("Receive topic: %s, data: %s ", topicBuf, dataBuf);
os_free(topicBuf);
os_free(dataBuf);
// set relay
int i;
for(i=0;i<relay_count();i++){
mqtt_relay *r = &relays[i];
//compare topic
if(os_strncmp(topic,r->topic,strlen(r->topic))==0){
MQTT_DBG("Topic 1st part match");
//check set suffix
if(os_strncmp(topic+strlen(r->topic),MQTT_RELAY_SET_SUFIX,strlen(MQTT_RELAY_SET_SUFIX))==0)
{
MQTT_DBG("Topic 2nd part match");
int state = data[0] - '0';
if(state==0 || state == 1)
{
MQTT_DBG("Setting relay #%d to %d via MQTT", i, state);
relay_set_state(i,state);
break;
}
}
}
}
}
static void mqttConnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
MQTT_DBG("MQTT: Connected");
int i;
char * buff = (char *)os_zalloc(64);
uint32_t vdd33 = readvdd33();
sensor_data data;
sensors_get_data(&data);
c_sprintf(buff,"%f",data.sht21.temp);
MQTT_Publish(&mqtt_client, "temperature/"SERIAL_NUMBER, buff, strlen(buff), 0, 1);
os_memset(buff,0,64);
c_sprintf(buff,"%f",data.sht21.hum);
MQTT_Publish(&mqtt_client, "humidity/"SERIAL_NUMBER, buff, strlen(buff), 0, 1);
os_memset(buff,0,64);
c_sprintf(buff,"%f",(float)(vdd33/1000.0));
MQTT_Publish(&mqtt_client, "voltage/"SERIAL_NUMBER, buff, strlen(buff), 0, 1);
os_free(buff);
}
static void mqtt_relay_change_cb(int id,int state){
MQTT_DBG("mqtt_relay_change_cb #%d %d",id,state);
mqtt_relay * relay = &relays[id];
if(state<0)
state = relay_get_state(id);
MQTT_Publish(&mqtt_client, relay->topic, state?"1":"0", 1, 0, 1);
}
static void mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len)
{
char *topicBuf = (char*)os_zalloc(topic_len+1),
*dataBuf = (char*)os_zalloc(data_len+1);
MQTT_Client* client = (MQTT_Client*)args;
os_memcpy(topicBuf, topic, topic_len);
topicBuf[topic_len] = 0;
os_memcpy(dataBuf, data, data_len);
dataBuf[data_len] = 0;
MQTT_DBG("Receive topic: %s, data: %s ", topicBuf, dataBuf);
os_free(topicBuf);
os_free(dataBuf);
}
static void mqttConnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
MQTT_DBG("MQTT: Connected");
int i;
for(i=0;i<relay_count();i++){
char * setTopic = (char *)os_zalloc(strlen(relays[i].topic)+strlen(MQTT_RELAY_SET_SUFIX)+1);
os_strcpy(setTopic,relays[i].topic);
os_strcat(setTopic,MQTT_RELAY_SET_SUFIX);
MQTT_Subscribe(client, setTopic, 1);
os_free(setTopic);
mqtt_relay_change_cb(i,-1); //force 1st publish
}
}
static void mqttDisconnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
MQTT_DBG("MQTT: Disconnected");
}
static void mqttPublishedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
MQTT_DBG("MQTT: Published");
}
