ESP32 crashing after few hours

maxkorotkevich
Posts: 3
Joined: Mon Nov 16, 2020 7:54 am

ESP32 crashing after few hours

Postby maxkorotkevich » Mon Nov 16, 2020 8:04 am

Hi there.
I have an issue with my esp32. After 1-2 hours it crashes and doesn't work propertly.
here's the code

Code: Select all

#include <OneWire.h>
#include <DallasTemperature.h>
#include <Wire.h>
#include <DHT.h>
#include <MS5611.h>

#define DHTPIN 4     // what digital pin the DHT22 is conected to
#define DHTTYPE DHT22  //
#define PWM_PIN 15
#define SMOKE_PIN 25
#define ONE_WIRE_BUS_EXT_TEMP 19

float temperature = 0;
float humidity = 0;
float co2 = 0;
int measureTime =0;
double referencePressure;
volatile bool fireAlarmState = 0;
bool disableMS5611 = 0;

DHT dht(DHTPIN, DHTTYPE);
MS5611 ms5611;
OneWire oneWire(ONE_WIRE_BUS_EXT_TEMP);
DallasTemperature sensors(&oneWire); 

#include <WiFi.h>
#include <WiFiClientSecure.h>
#include "esp_wpa2.h"
#include <HTTPClient.h>

#define EAP_IDENTITY "login" //if connecting from another corporation, use identity@organisation.domain in Eduroam 
#define EAP_PASSWORD "password" //your Eduroam password
#define EAP_ANONYMOUS_IDENTITY "login"

const char* ssid = "eduroam"; // Eduroam SSID
const char* host = "10.0.0.10"; //external server domain for HTTP connection after authentification

WiFiClientSecure espClient;

String serverName = "server address";
unsigned long lastTime = 0;
unsigned long timeOfLife = 300*1000;
unsigned long initTime;
unsigned long timerDelay = 30*1000;

void setup() {
  int k = 0;
  Serial.begin(115200); 
  Serial.println("serial start");
  dht.begin();
  
  while(!ms5611.begin() && k<10) {
    Serial.println("Could not find a valid MS5611 sensor, check wiring!");
    delay(500);
    k++;
  }
  if (k==10) {
    disableMS5611 = 1;
  }
  
  if (!disableMS5611) {
    referencePressure = ms5611.readPressure();
  }
  sensors.begin();
  pinMode(ONE_WIRE_BUS_EXT_TEMP,INPUT_PULLUP);
 
  WiFi.disconnect(true);  
  WiFi.mode(WIFI_STA); 
  esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EAP_IDENTITY, strlen(EAP_IDENTITY));
  esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EAP_PASSWORD, strlen(EAP_PASSWORD));
  esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT(); //set config settings to default
  esp_wifi_sta_wpa2_ent_enable(&config); //set config settings to enable function
  WiFi.begin(ssid);
  
  Serial.println("Connecting");
  k = 0;
  while(WiFi.status() != WL_CONNECTED && k <10) {
    delay(500);
    Serial.print(".");
    k++;
  }
  if (WiFi.status() != WL_CONNECTED) {
      ESP.restart();
  }
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());
  Serial.println("END OF INIT");
  delay(100);
  initTime = millis();
}

int getCO2PWM() {
  unsigned long th, tl, ppm_pwm = 0;
  do {
    th = pulseIn(PWM_PIN, HIGH, 1004000) / 1000;
    tl = 1004 - th;
    ppm_pwm = 5000 * (th - 2) / (th + tl - 4);
  } while (th == 0);
  return ppm_pwm;
  
  }

void sendGet(String measurement, String value) {
      HTTPClient http;
      String serverPath = serverName + "?" + measurement+"="+value;
      http.begin(serverPath.c_str());
      
      // Send HTTP GET request
      int httpResponseCode = http.GET();
      
      if (httpResponseCode>0) {
        Serial.print("HTTP Response code: ");
        Serial.println(httpResponseCode);
        String payload = http.getString();
        Serial.println(payload);
      }
      else {
        Serial.print("Error code: ");
        Serial.println(httpResponseCode);
      }
      http.end();
      delay(100);
}

void loop() {
  if(WiFi.status()== WL_CONNECTED){
    if ((millis() - lastTime) > timerDelay) {
      
      temperature = dht.readTemperature();
      if (isnan(temperature)) {
        temperature = 19.0;
      }
      sendGet("dht22_temperature", String(temperature));
  
      humidity = dht.readHumidity();
      if (isnan(humidity)) {
        humidity = 50;
      }
      sendGet("dht22_humidity", String(humidity));
  
      int ppm_pwm = getCO2PWM();
      sendGet("mhz14a_co2", String(ppm_pwm));

      if (!disableMS5611) {
        uint32_t rawTemp = ms5611.readRawTemperature();
        uint32_t rawPressure = ms5611.readRawPressure();
    
        double realTemperature = ms5611.readTemperature();
        sendGet("gy63_temperature", String(realTemperature));
        
        long realPressure = ms5611.readPressure();
        sendGet("gy63_pressure", String(realPressure));
      }
      
      sensors.requestTemperatures();
      delay(750);
      temperature = sensors.getTempCByIndex(0);
      if (temperature>-100) {
        sendGet("ds18b20_temperature", String(temperature));
      }
      lastTime = millis();
     }
     if ((millis() - initTime) > timeOfLife) {
        ESP.restart(); 
     }
    }
    else {
      ESP.restart();
    }
}

maxkorotkevich
Posts: 3
Joined: Mon Nov 16, 2020 7:54 am

Re: ESP32 crashing after few hours

Postby maxkorotkevich » Mon Nov 16, 2020 11:03 am

I have decided to add WDT. maybe i'll catch software/hardware issue.

alanesq
Posts: 84
Joined: Thu Dec 14, 2017 8:38 pm

Re: ESP32 crashing after few hours

Postby alanesq » Mon Nov 16, 2020 11:28 am

Hi,
It is always worth checking you have a good solid power feed to it (maybe try it on a different one),
as I find if there is anything wrong with the power you can waste a lot of time chasing all sorts of odd errors/behaviour

maxkorotkevich
Posts: 3
Joined: Mon Nov 16, 2020 7:54 am

Re: ESP32 crashing after few hours

Postby maxkorotkevich » Mon Nov 16, 2020 2:35 pm

So, idk what was the problem,
but after adding wdt reset after all init's and measurements everything works fine

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