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MQTT client library for ESP8266

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This is based on the esp_mqtt_proj example but slightly modified. Sorry that this pull request includes all the code style corrections and g++ compile warning fixes. I did this in...

I am trying to enable ssl on mosquitto broker. I followed the instructions here: http://www.steves-internet-guide.com/mosquitto-tls/ This is my config file with path to key and certificate files: `#cafile C:\Users\DemoEngineer\Desktop\cert\ca.crt #capath...

I'm currently tracking down a problem with publishing and I think I've hit a possible race condition in the send where a second publish message sent at the wrong time...

The user defined publish callback is set to be called when a message is successfully sent to the MQTT server. For QOS0 this is OK, but for QOS1 and QOS2...

https://github.com/tuanpmt/esp_mqtt/blob/37cab7cd8a42d51dc9ca448a6eef447ce8ce5b3e/mqtt/mqtt.c#L757 should be replaced with if (espconn_send(client->pCon, dataBuffer, dataLen) != 0) { // error sending, put it back into the queue again if (QUEUE_Puts(&client->msgQueue, dataBuffer, dataLen) == -1) { INFO("MQTT:...

esp8266 connect server with mqtt-ssl, use this application, sometimes error occure, error log follow, client's data invalid protocol Error: SSL error 3 TCP: Disconnected callback MQTT: Disconnected

when i trying to compile blinky example using SDK on VM under "https://www.youtube.com/watch?v=58bdrN0pkbc" video guide line and enter below code /Share/esp_iot_sdk_v1.2.0_15_07_03/esp_iot_sdk_v1.2.0/app$ make i get these warnings and error: ../Makefile:300: warning:...

if (client == NULL) return; // aborted connection https://github.com/tuanpmt/esp_mqtt/blob/37cab7cd8a42d51dc9ca448a6eef447ce8ce5b3e/mqtt/mqtt.c#L528 as done in https://github.com/arduino-org/Esp-Link/blob/master/mqtt/mqtt.c

I hava subscribe a topic use esp_mqtt_client_subscribe and return msg_id is 30233 , but when i usr other mqtt client send msg to dut , dut recv data is OK...