static inline void mqtt_task()
{
struct Network network;
char client_id[20];
uint8_t mqtt_buf[100];
uint8_t mqtt_readbuf[100];
MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
NewNetwork( &network );
strcpy(client_id, "esp-gizmo-ir");
if (ConnectNetwork(&network, config_get_mqtt_host(),
config_get_mqtt_port()) != 0) {
printf("Connect to MQTT server failed\n");
return;
}
NewMQTTClient(&mqtt_client, &network, 5000, mqtt_buf, 100, mqtt_readbuf, 100);
data.willFlag = 0;
data.MQTTVersion = 3;
data.clientID.cstring = client_id;
data.username.cstring = NULL;
data.password.cstring = NULL;
data.keepAliveInterval = 10;
data.cleansession = 0;
printf("Send MQTT connect ... \n");
if (MQTTConnect(&mqtt_client, &data) != 0) {
printf("MQTT connect failed\n");
return;
}
const char *topic = config_get_cmd_topic();
printf("Sibscribe to topic: %s\n", topic);
if (MQTTSubscribe(&mqtt_client, topic, QOS1, topic_received) != 0) {
printf("Subscription failed\n");
return;
}
while (MQTTYield(&mqtt_client, 1000) != DISCONNECTED) {
printf("free heap: %d bytes\n", xPortGetFreeHeapSize());
uint16_t free_stack = uxTaskGetStackHighWaterMark(xTaskGetCurrentTaskHandle());
printf("minimum free stack: %d bytes\n", free_stack);
};
printf("Connection dropped, request restart\n");
}
static void mqtt_task(void *pvParameters)
{
int ret = 0;
struct Network network;
MQTTClient client = DefaultClient;
char mqtt_client_id[20];
uint8_t mqtt_buf[100];
uint8_t mqtt_readbuf[100];
MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
NewNetwork( &network );
memset(mqtt_client_id, 0, sizeof(mqtt_client_id));
strcpy(mqtt_client_id, "ESP-");
strcat(mqtt_client_id, get_my_id());
while(1) {
xSemaphoreTake(wifi_alive, portMAX_DELAY);
printf("%s: started\n\r", __func__);
printf("%s: (Re)connecting to MQTT server %s ... ",__func__,
MQTT_HOST);
ret = ConnectNetwork(&network, MQTT_HOST, MQTT_PORT);
if( ret ){
printf("error: %d\n\r", ret);
taskYIELD();
continue;
}
printf("done\n\r");
NewMQTTClient(&client, &network, 5000, mqtt_buf, 100,
mqtt_readbuf, 100);
data.willFlag = 0;
data.MQTTVersion = 3;
data.clientID.cstring = mqtt_client_id;
data.username.cstring = MQTT_USER;
data.password.cstring = MQTT_PASS;
data.keepAliveInterval = 10;
data.cleansession = 0;
printf("Send MQTT connect ... ");
ret = MQTTConnect(&client, &data);
if(ret){
printf("error: %d\n\r", ret);
DisconnectNetwork(&network);
taskYIELD();
continue;
}
printf("done\r\n");
MQTTSubscribe(&client, "/esptopic", QOS1, topic_received);
xQueueReset(publish_queue);
while(1){
char msg[PUB_MSG_LEN - 1] = "\0";
while(xQueueReceive(publish_queue, (void *)msg, 0) ==
pdTRUE){
printf("got message to publish\r\n");
MQTTMessage message;
message.payload = msg;
message.payloadlen = PUB_MSG_LEN;
message.dup = 0;
message.qos = QOS1;
message.retained = 0;
ret = MQTTPublish(&client, "/beat", &message);
if (ret != SUCCESS ){
printf("error while publishing message: %d\n", ret );
break;
}
}
ret = MQTTYield(&client, 1000);
if (ret == DISCONNECTED)
break;
}
printf("Connection dropped, request restart\n\r");
DisconnectNetwork(&network);
taskYIELD();
}
}
