ESP8266 Community Forum

- Sun Aug 12, 2018 12:54 am #77698 Hello , I am make IOT project control relay Through Nodemcu ESP8266 using google firebase somedays its work perfect but now its not working when I am connect nodemcu ESP8266 to PC and check output in serial monitor then I am see following error
".0
.0
.0

WiFi connected

Device ID - 84:F3:EB:AF:56:51
Try to connect
Try to connect

Exception (29):
epc1=0x4000e1b2 epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000

ctx: cont
sp: 3fff11c0 end: 3fff1650 offset: 01a0


>>stack>>>
3fff1360: 01000100 00ff0000 ff000000 40203d54
3fff1370: 3fff71a4 3fff301c 3fff79fc 40222fb6
3fff1380: 00000001 3fff79e0 3fff2fc4 00000000
3fff1390: 3fff301c 3fff972c 3fff696c 402246ef
3fff13a0: 00000000 3fff2fc4 3fff972c 401004d8
3fff13b0: 40203448 00000708 3fff0630 3fff049c
3fff13c0: 3fff972c 3fff2fc4 3fff696c 40203a9a
3fff13d0: 000001bb 3fff78cc 3fff2fc4 40202ec6
3fff13e0: 5561c923 00000000 3fff1420 3fff51d8
3fff13f0: 000001bb 3fff2fc4 3fff972c 40203e2d
3fff1400: 3ffe98a0 5561c923 3ffe98a0 5561c923
3fff1410: 3fff8f3c 00000000 3fff8f44 402066d0
3fff1420: 00000000 00000252 00000252 40208088
3fff1430: fffffffd 00000001 3fff8f44 40206ea0
3fff1440: 3ffe947c 00000052 3ffe91bf 402047cb
3fff1450: 3fff3204 3fff14c0 3fff8f3c 40204824
3fff1460: 3fff3210 00000000 00000000 3ffe91bc
3fff1470: 3fff8f3c 3fff14a0 3ffe91bc 3ffe91bc
3fff1480: 3fff8f3c 3fff0504 3fff1560 402057ee
3fff1490: 3fff04e4 3fff0504 3fff1560 40204209
3fff14a0: 3fff3210 3fff1584 3fff8dc4 40224440
3fff14b0: 3fff0504 3fff0504 3fff0504 3fff1600
3fff14c0: 3fff71e8 3fff1584 3fff1584 00000001
3fff14d0: 00000000 3fff159c 3fff1570 3fff04e0
3fff14e0: 3fff1598 00000000 402057d8 40208088
3fff14f0: 3fff1534 3fff15df 3ffe90b8 3fff159c
3fff1500: 3fff1598 3fff1520 3fff1560 402045a3
3fff1510: 3fff1520 00000000 3fff1560 402054df
3fff1520: 3fff8f3c 3fff718c 3fff1584 3fff1600
3fff1530: 3fff04e0 3fff04e4 3fff67cc 4020480c
3fff1540: 3fff15a0 3ffe8f54 3fff15d0 3fff1600
3fff1550: 3fff1590 3fff1584 3fff04e0 402055b4
3fff1560: 3ffe9270 3fff8f3c 3fff718c 00000000
3fff1570: 3fff0504 3fff0504 00000000 00000000
3fff1580: 00000014 3fff67cc 0000000f 00000001
3fff1590: 3fff8f3c 3fff718c 3fff51d8 3fff6920
3fff15a0: 00000020 3fff1600 3fff1600 402076d4
3fff15b0: 3fff15e0 00000001 3fff1600 402079bd
3fff15c0: 00000056 00000051 3fff1600 3ffe8f54
3fff15d0: 3fff04e0 3fff0480 3fff05f4 40205618
3fff15e0: 00000004 00000001 3fff1600 40207ab5
3fff15f0: 3fff04e0 3fff0480 3fff05f4 402023a2
3fff1600: 3fff2f9c 0000001f 0000001e 3fff51a4
3fff1610: 0000001f 00000011 feefeffe feefeffe
3fff1620: feefeffe feefeffe feefeffe 3fff0620
3fff1630: 3fffdad0 00000000 3fff0619 402082d0
3fff1640: feefeffe feefeffe 3fff0630 40100718
<<<stack<<<


ets Jan 8 2013,rst cause:2, boot mode:(1,6)

ets Jan 8 2013,rst cause:4, boot mode:(1,6)

wdt reset"


My nodemcu Sketch Code

Code: Select all#include <ESP8266WiFi.h>
#include <Ticker.h>
#include <time.h>
#include <FirebaseArduino.h>

#define PIN_LED 16 // D0
#define PIN_OUT 5 //D1 - connect to Relay
#define PIN_BUTTON 0 //D3 - for smart configure

#define STANDART_DELAY 200
#define MIN_TIME_FOR_SEND 200

#define LED_ON() digitalWrite(PIN_LED, HIGH)
#define LED_OFF() digitalWrite(PIN_LED, LOW)
#define LED_TOGGLE() digitalWrite(PIN_LED, digitalRead(PIN_LED) ^ 0x01)

//Defile Firebase
#define FIREBASE_HOST "myfirebase.host" // here i am enter my host details
#define FIREBASE_AUTH "my secret key"  // here i am enter my firebase key

int current_on;
int current_off;

Ticker ticker;

void tick()
{
  //toggle state
  int state = digitalRead(PIN_LED);  // get the current state of GPIO1 pin
  digitalWrite(PIN_LED, !state);     // set pin to the opposite state
 
}

bool in_smartconfig = false;
void enter_smartconfig()
{
  if (in_smartconfig == false) {
    in_smartconfig = true;
    ticker.attach(0.1, tick);
    WiFi.beginSmartConfig();
  }
}

bool longPress()
{
  static int lastPress = 0;
  if (millis() - lastPress > 3000 && digitalRead(PIN_BUTTON) == 0) {
    return true;
  } else if (digitalRead(PIN_BUTTON) == 1) {
    lastPress = millis();
  }
  return false;
}

void exit_smart()
{
  ticker.detach();
  LED_ON();
  in_smartconfig = false;
}

void setup() {
  delay(1000);
  Serial.begin(115200);
  pinMode(16, OUTPUT);
  pinMode(PIN_OUT, OUTPUT);

  WiFi.mode(WIFI_AP_STA);
  delay(500);
 
  WiFi.beginSmartConfig();

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    Serial.println(WiFi.smartConfigDone());
  }

  Serial.println("");
  Serial.println("WiFi connected"); 
 
  Serial.print("\nDevice ID - "+WiFi.macAddress()+"\n");

  do{
    Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
    Firebase.setInt(("device"+WiFi.macAddress()+"/online"), 1);
    Firebase.setInt(("device"+WiFi.macAddress()+"/running"), 0);
    Serial.println("Try to connect");
    delay(500);
  } while (Firebase.failed());
  Serial.println("Device online");
}

String url = "/device" + WiFi.macAddress();

void loop() {
  // Check Smart Config:
   if (longPress()) {
      enter_smartconfig();
      Serial.println("Enter smartconfig");
  }

  //Runing:
  //0 - Waiting
  //1 - Turn on
  //2 - Turn Off
  //3 - Repeat
  //4 - ........

  //Check Event----------------------------------------------
  if (WiFi.status() == WL_CONNECTED)
  {
   
    exit_smart();

    switch (Firebase.getInt(url+"/running"))
    {
      case 0:    // do nothing waiting
       
        break;
      case 1:    // Turn On
        Serial.print("Turn On\n");
        digitalWrite(PIN_OUT,HIGH);
        Firebase.setInt(("device"+WiFi.macAddress()+"/state"), 1);
        Firebase.setInt(("device"+WiFi.macAddress()+"/running"), 0);
       
        current_on = Firebase.getInt("device"+WiFi.macAddress()+"/turnon");
        current_on= current_on+1;
        Firebase.setInt(("device"+WiFi.macAddress()+"/turnon"), current_on);
        break;
      case 2:    // Turn Off
        Serial.print("Turn Off\n");
        digitalWrite(PIN_OUT,LOW);
        Firebase.setInt(("device"+WiFi.macAddress()+"/state"), 0);
        Firebase.setInt(("device"+WiFi.macAddress()+"/running"), 0);
     
        current_off = Firebase.getInt("device"+WiFi.macAddress()+"/turnoff");
        current_off= current_off+1;
        Firebase.setInt(("device"+WiFi.macAddress()+"/turnoff"), current_off);
        break;
      case 3:    // Repeat
        Serial.println("Repeat");
       
        int timer;
        int repeat;
        timer = Firebase.getInt("device"+WiFi.macAddress()+"/timer");
        repeat = Firebase.getInt("device"+WiFi.macAddress()+"/repeat");

        if(timer == -1){
          timer = STANDART_DELAY;
        }
       
        Serial.println("Timer: "+ timer);
        if(timer >= MIN_TIME_FOR_SEND){
          for (int i = 0; i < repeat; i++){
            //Repeat On ----------------------------
            uint32_t prSendTime = millis();
            Firebase.setInt(("device"+WiFi.macAddress()+"/state"), 1);
            digitalWrite(PIN_OUT,HIGH);
            Serial.print("Repeat_Turn ON\n");
            int send_time;
            send_time = millis() - prSendTime;
            if(send_time < timer){
              delay(timer-send_time);
              Serial.println(timer-send_time);
            }
           
            //Repeat Off---------------------------
            prSendTime = millis();
            Firebase.setInt(("device"+WiFi.macAddress()+"/state"), 0);
            digitalWrite(PIN_OUT,LOW);
            Serial.print("Repeat_Turn OFF\n");
            send_time = millis() - prSendTime;
            if(send_time < timer){
              delay(timer-send_time);
              Serial.println(timer-send_time);
            }
          }
        }
        else {
          for (int i = 0; i < repeat; i++){
            digitalWrite(PIN_OUT,HIGH);
            delay(timer);
            digitalWrite(PIN_OUT,LOW);
            delay(timer);
          }
        }
        Firebase.setInt(("device"+WiFi.macAddress()+"/running"), 0);
        current_on = Firebase.getInt("device"+WiFi.macAddress()+"/turnon");
        current_on= current_on+repeat;
        current_off = Firebase.getInt("device"+WiFi.macAddress()+"/turnoff");
        current_off= current_off+repeat;
        Firebase.setInt(("device"+WiFi.macAddress()+"/turnoff"), current_off);
        Firebase.setInt(("device"+WiFi.macAddress()+"/turnon"), current_on);
         
        break;
      case 4://Check online state
        Serial.print("Checking online:\n");
        Firebase.setInt(("device"+WiFi.macAddress()+"/online"), 1);
        Firebase.setInt(("device"+WiFi.macAddress()+"/running"), 0);
        Serial.print("-->Device online:\n");
        break;
    }
    //Check Firebase -----------------------------------------------
    Serial.println(Firebase.getInt(url+"/running"));
    if (Firebase.success()){
      Serial.print("setting /number success:");
      Serial.print(Firebase.error());
    }
    if (Firebase.failed())
    { 
      Serial.print("setting /number failed:");
      Serial.print(Firebase.error());
      return;
    }
    delay(10);
  }   
}


Please tell me how to solve this issues