zonyitoo
Unable to connect mqtt servere in adafruit.io
Initially it was showing server request and unable to connect so I have uncommented the debug comment in the adfruit library.But now I am getting this
# CODE
`/*************************************************** Adafruit MQTT Library ESP8266 Example
Must use ESP8266 Arduino from: https://github.com/esp8266/Arduino
Works great with Adafruit's Huzzah ESP board & Feather ----> https://www.adafruit.com/product/2471 ----> https://www.adafruit.com/products/2821
Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!
Written by Tony DiCola for Adafruit Industries. MIT license, all text above must be included in any redistribution #define DEBUG_PRINT 0
void setup() { if (DEBUG_PRINT) { Serial.begin(115200); } } ****************************************************/ #include <ESP8266WiFi.h> #include "Adafruit_MQTT.h" #include "Adafruit_MQTT_Client.h"
/************************* WiFi Access Point *********************************/
#define WLAN_SSID "Labhansh Photography" #define WLAN_PASS "thakkar69"
/************************* Adafruit.io Setup *********************************/
#define AIO_SERVER "io.adafruit.com" #define AIO_SERVERPORT 1883 // use 8883 for SSL #define AIO_USERNAME "Drboy" #define AIO_KEY
"71dafd72b0f64863d2c02ba3f6d9c"
/************ Global State (you don't need to change this!) ******************/
// Create an ESP8266 WiFiClient class to connect to the MQTT server. WiFiClient client; // or... use WiFiFlientSecure for SSL //WiFiClientSecure client;
// Setup the MQTT client class by passing in the WiFi client and MQTT server and login details. Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
/****************************** Feeds ***************************************/
// Setup a feed called 'photocell' for publishing.
// Notice MQTT paths for AIO follow the form:
// Setup a feed called 'onoff' for subscribing to changes. Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/onoff");
/*************************** Sketch Code ************************************/
// Bug workaround for Arduino 1.6.6, it seems to need a function declaration // for some reason (only affects ESP8266, likely an arduino-builder bug). void MQTT_connect();
void setup() { Serial.begin(115200); delay(10);
Serial.println(F("Adafruit MQTT demo"));
// Connect to WiFi access point. Serial.println(); Serial.println(); Serial.print("Connecting to "); Serial.println(WLAN_SSID);
WiFi.begin(WLAN_SSID, WLAN_PASS); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println();
Serial.println("WiFi connected"); Serial.println("IP address: "); Serial.println(WiFi.localIP());
// Setup MQTT subscription for onoff feed. mqtt.subscribe(&onoffbutton); }
uint32_t x=0;
void loop() { // Ensure the connection to the MQTT server is alive (this will make the first // connection and automatically reconnect when disconnected). See the MQTT_connect // function definition further below. MQTT_connect();
// this is our 'wait for incoming subscription packets' busy subloop // try to spend your time here
Adafruit_MQTT_Subscribe *subscription; while ((subscription = mqtt.readSubscription(5000))) { if (subscription == &onoffbutton) { Serial.print(F("Got: ")); Serial.println((char *)onoffbutton.lastread); } }
// Now we can publish stuff! Serial.print(F("\nSending photocell val ")); Serial.print(x); Serial.print("..."); if (! photocell.publish(x++)) { Serial.println(F("Failed")); } else { Serial.println(F("OK!")); }
// ping the server to keep the mqtt connection alive // NOT required if you are publishing once every KEEPALIVE seconds /* if(! mqtt.ping()) { mqtt.disconnect(); } */ }
// Function to connect and reconnect as necessary to the MQTT server. // Should be called in the loop function and it will take care if connecting. void MQTT_connect() { int8_t ret;
// Stop if already connected. if (mqtt.connected()) { return; }
Serial.print("Connecting to MQTT... ");
uint8_t retries = 3; while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected Serial.println(mqtt.connectErrorString(ret)); Serial.println("Retrying MQTT connection in 5 seconds..."); mqtt.disconnect(); delay(5000); // wait 5 seconds retries--; if (retries == 0) { // basically die and wait for WDT to reset me while (1); } } Serial.println("MQTT Connected!"); }
SERIAL MONITOR OUTPUT
Connecting to Labhansh Photography ... WiFi connected IP address: 192.168.31.190 Added sub 0 Connecting to MQTT... Connecting to: io.adafruit.com Connect result: 0 Connection failed Retrying MQTT connection in 5 seconds... MQTT disconnect packet: ⸮ [0xE0], [0x00], Connection failed! Unable to send disconnect packet Connecting to: io.adafruit.com Connect result: 0 Connection failed Retrying MQTT connection in 5 seconds... MQTT disconnect packet: ⸮ [0xE0], [0x00], Connection failed! Unable to send disconnect packet Connecting to: io.adafruit.com Connect result: 0 Connection failed Retrying MQTT connection in 5 seconds... MQTT disconnect packet: ⸮ [0xE0], [0x00], Connection failed! Unable to send disconnect packet
Soft WDT reset
ctx: cont sp: 3ffef600 end: 3ffef7f0 offset: 01b0
stack>>> 3ffef7b0: 00000001 3ffee5b8 3ffee794 40201e1e
3ffef7c0: 3fffdad0 00000000 3ffee7b8 40201e74
3ffef7d0: 3fffdad0 00000000 3ffee7b8 40203d54
3ffef7e0: feefeffe feefeffe 3ffee7d0 40100718
<<<stack<<<
ets Jan 8 2013,rst cause:2, boot mode:(3,6)
load 0x4010f000, len 1384, room 16 tail 8 chksum 0x2d csum 0x2d v3ffe864c ~ld ⸮Adafruit MQTT demo
## **ESP exception decoder output for stacks**
Decoding 4 results 0x40201e1e: MQTT_connect() at C:\Users\piyus\OneDrive\Documents\Arduino\MCU_4/MCU_4.ino line 150 0x40201e74: loop at C:\Users\piyus\OneDrive\Documents\Arduino\MCU_4/MCU_4.ino line 105 0x40203d54: loop_wrapper at C:\Users\piyus\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/core_esp8266_main.cpp line 56 0x40100718: cont_norm at C:\Users\piyus\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.3.0\cores\esp8266/cont.S line 109
`
