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ESP_MultiResetDetector Library

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Table of Contents

Why do we need this ESP_MultiResetDetector library

Features

ESP_MultiResetDetector is a library for the ESP8266 and ESP32 boards to detects a configurable multi reset, within configurable timeout (default 10s) seconds, so that an alternative start-up mode can be used. Example use cases are to allow re-configuration of a device's WiFi / MQTT / Blynk credentials or to count the number of resets within a pre-determined timed.

This library is based on, modified, bug-fixed and improved from Stephen Denne's DoubleResetDetector to add support to ESP8266 and ESP32 using EEPROM, SPIFFS and LittleFS besides original RTC.

Currently, DoubleResetDetector only supports ESP8266 using RTC memory.

This library can be used to detect a multi reset within a predetermined time to force the program to enter a special operation such as Config Portal, Clear Default Data, etc., using :

  1. EEPROM, SPIFFS or LittleFS for ESP8266 and ESP32 boards.
  2. RTC memory for ESP8266 boards (unadvised).

Currently supported Boards

This ESP_MultiResetDetector library currently supports these following boards:

  1. ESP32, ESP32_C3, ESP32_S2 and ESP32_S3 boards, using EEPROM, SPIFFS or LittleFS.
  2. ESP8266 boards RTC memory, EEPROM, SPIFFS or LittleFS

Prerequisites

  1. Arduino IDE 1.8.19+ for Arduino. GitHub release
  2. ESP32 Core 2.0.5+ for ESP32-based boards. Latest release
  3. ESP8266 Core 3.0.2+ for ESP8266-based boards. Latest release. SPIFFS is deprecated from ESP8266 core 2.7.1+, to use LittleFS.
  4. LittleFS_esp32 v1.0.6+ for ESP32-based boards using LittleFS with ESP32 core v1.0.5-. To install, check arduino-library-badge. Notice: This LittleFS_esp32 library has been integrated to Arduino ESP32 core v1.0.6+ and you don't need to install it if using ESP32 core v1.0.6+

Installation

Use Arduino Library Manager

The best and easiest way is to use Arduino Library Manager. Search for ESP_MultiResetDetector, then select / install the latest version. You can also use this link arduino-library-badge for more detailed instructions.

Manual Install

  1. Navigate to ESP_MultiResetDetector page.
  2. Download the latest release ESP_MultiResetDetector-main.zip.
  3. Extract the zip file to ESP_MultiResetDetector-main directory
  4. Copy the whole ESP_MultiResetDetector-main folder to Arduino libraries' directory such as ~/Arduino/libraries/.

VS Code & PlatformIO:

  1. Install VS Code
  2. Install PlatformIO
  3. Install ESP_MultiResetDetector library by using Library Manager. Search for ESP_MultiResetDetector in Platform.io Author's Libraries
  4. Use included platformio.ini file from examples to ensure that all dependent libraries will installed automatically. Please visit documentation for the other options and examples at Project Configuration File

HOWTO Usage

How to use

// These defines must be put before #include <ESP_MultiResetDetector.h>
// to select where to store MultiResetDetector's variable.
// For ESP32, You must select one to be true (EEPROM or SPIFFS)
// For ESP8266, You must select one to be true (RTC, EEPROM, LITTLEFS or SPIFFS)
// Otherwise, library will use default EEPROM storage

#ifdef ESP8266
  #define ESP8266_MRD_USE_RTC     false   //true
#endif

#define ESP_MRD_USE_LITTLEFS    true
#define ESP_MRD_USE_SPIFFS      false
#define ESP_MRD_USE_EEPROM      false

#define MULTIRESETDETECTOR_DEBUG       true  //false

// These definitions must be placed before #include <ESP_MultiResetDetector.h> to be used
// Otherwise, default values (MRD_TIMES = 3, MRD_TIMEOUT = 10 seconds and MRD_ADDRESS = 0) will be used
// Number of subsequent resets during MRD_TIMEOUT to activate
#define MRD_TIMES               5

// Number of seconds after reset during which a 
// subsequent reset will be considered a multi reset.
#define MRD_TIMEOUT             10

// RTC/EEPROM Memory Address for the MultiResetDetector to use
#define MRD_ADDRESS             0

#include <ESP_MultiResetDetector.h>      //https://github.com/khoih-prog/ESP_MultiResetDetector

MultiResetDetector* mrd;

#ifdef ESP32

  // For ESP32
  #ifndef LED_BUILTIN
    #define LED_BUILTIN       2         // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
  #endif

  #define LED_OFF     LOW
  #define LED_ON      HIGH

#else

  // For ESP8266
  #define LED_ON      LOW
  #define LED_OFF     HIGH

#endif

void setup()
{
  pinMode(LED_BUILTIN, OUTPUT);
  
  Serial.begin(115200);
  while (!Serial); 
  delay(200);
  
  Serial.print(F("\nStarting ESP_MultiResetDetector minimal on ")); Serial.print(ARDUINO_BOARD);

#if ESP_MRD_USE_LITTLEFS
  Serial.println(F(" using LittleFS"));
#elif ESP_MRD_USE_SPIFFS
  Serial.println(F(" using SPIFFS"));
#else
  Serial.println(F(" using EEPROM"));
#endif
  
  Serial.println(ESP_MULTI_RESET_DETECTOR_VERSION);
  
  mrd = new MultiResetDetector(MRD_TIMEOUT, MRD_ADDRESS);

  if (mrd->detectMultiReset()) 
  {
    Serial.println("Multi Reset Detected");
    digitalWrite(LED_BUILTIN, LED_ON);
  } 
  else 
  {
    Serial.println("No Multi Reset Detected");
    digitalWrite(LED_BUILTIN, LED_OFF);
  }

}

void loop()
{
  // Call the multi reset detector loop method every so often,
  // so that it can recognise when the timeout expires.
  // You can also call mrd.stop() when you wish to no longer
  // consider the next reset as a multi reset.
  mrd->loop();
}

Examples

  1. ConfigOnMultiReset
  2. ConfigOnMRD_ESP32_minimal
  3. ConfigOnMRD_ESP8266_minimal
  4. minimal

Examples from other libraries

1.ESP_WiFiManager Library

2. ESPAsync_WiFiManager Library

and there are many more.

Many other libraries are depending on this library's DRD and MRD feature

All examples of these following libraries are using DRD/MRD feature of this ESP_DoubleResetDetector Library or ESP_MultiResetDetector Library

Example checkWaitingMRD

ESP_MultiResetDetector/examples/checkWaitingMRD/checkWaitingMRD.ino

Lines 16 to 150 in c878d5e

// These defines must be put before #include <ESP_MultiResetDetector.h>
// to select where to store MultiResetDetector's variable.
// For ESP32, You must select one to be true (EEPROM or SPIFFS)
// For ESP8266, You must select one to be true (RTC, EEPROM, LITTLEFS or SPIFFS)
// Otherwise, library will use default EEPROM storage
// This example demonstrates how to use new function waitingForMRD() to signal the stage of MRD
// waitingForMRD() returns true if in MRD_TIMEOUT, false when out of MRD_TIMEOUT
// In this example, LED_BUILTIN will blink in MRD_TIMEOUT period, ON when DR has been detected, OFF otherwise
#ifdef ESP8266
#define ESP8266_MRD_USE_RTC false //true
#endif
#define ESP_MRD_USE_LITTLEFS true
#define ESP_MRD_USE_SPIFFS false
#define ESP_MRD_USE_EEPROM false
// Uncomment to have debug
//#define MULTIRESETDETECTOR_DEBUG true
// These definitions must be placed before #include <ESP_MultiResetDetector.h> to be used
// Otherwise, default values (MRD_TIMES = 3, MRD_TIMEOUT = 10 seconds and MRD_ADDRESS = 0) will be used
// Number of subsequent resets during MRD_TIMEOUT to activate
#define MRD_TIMES 3
// Number of seconds after reset during which a
// subsequent reset will be considered a multi reset.
#define MRD_TIMEOUT 10
// RTC/EEPROM Memory Address for the MultiResetDetector to use
#define MRD_ADDRESS 0
#include <ESP_MultiResetDetector.h> //https://github.com/khoih-prog/ESP_MultiResetDetector
MultiResetDetector* mrd;
#ifdef ESP32
// For ESP32
#ifndef LED_BUILTIN
#define LED_BUILTIN 2 // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
#endif
#define LED_OFF LOW
#define LED_ON HIGH
#else
// For ESP8266
#define LED_ON LOW
#define LED_OFF HIGH
#endif
bool MRD_Detected = false;
void check_status()
{
static ulong checkstatus_timeout = 0;
static bool LEDState = LED_OFF;
static ulong current_millis;
#define MRD_CHECK_INTERVAL 500L
current_millis = millis();
// If MRD_Detected, don't need to blink, just keep LED_BUILTIN ON
if ( !MRD_Detected && ((current_millis > checkstatus_timeout) || (checkstatus_timeout == 0)) )
{
// If in MRD checking loop, blinking the LED_BUILTIN
if ( mrd->waitingForMRD() )
{
digitalWrite(LED_BUILTIN, LEDState);
LEDState = !LEDState;
}
else
{
digitalWrite(LED_BUILTIN, LED_OFF);
}
checkstatus_timeout = current_millis + MRD_CHECK_INTERVAL;
}
}
void setup()
{
pinMode(LED_BUILTIN, OUTPUT);
Serial.begin(115200);
while (!Serial);
delay(200);
Serial.print("\nStarting checkWaitingMRD on");
Serial.println(ARDUINO_BOARD);
#if ESP_MRD_USE_LITTLEFS
Serial.println(F(" using LittleFS"));
#elif ESP_MRD_USE_SPIFFS
Serial.println(F(" using SPIFFS"));
#else
Serial.println(F(" using EEPROM"));
#endif
Serial.println(ESP_MULTI_RESET_DETECTOR_VERSION);
mrd = new MultiResetDetector(MRD_TIMEOUT, MRD_ADDRESS);
if (mrd->detectMultiReset())
{
Serial.println("Multi Reset Detected");
digitalWrite(LED_BUILTIN, LED_ON);
MRD_Detected = true;
}
else
{
Serial.println("No Multi Reset Detected");
digitalWrite(LED_BUILTIN, LED_OFF);
}
}
void loop()
{
// Call the double reset detector loop method every so often,
// so that it can recognise when the timeout expires.
// You can also call mrd.stop() when you wish to no longer
// consider the next reset as a double reset.
mrd->loop();
check_status();
}

Debug Terminal Output Samples

1. ESP32_FSWebServer_DRD on ESP32_DEV

This is terminal debug output when running ESP32_FSWebServer_DRD on ESP32 ESP32_DEV.. Config Portal was requested by DRD to input and save Credentials. The boards then connected to WiFi AP HueNet1 using new Static IP successfully. WiFi AP HueNet1 is then lost, and board autoreconnects itself to backup WiFi AP HueNet2.

Starting ESP32_FSWebServer_DRD with DoubleResetDetect using SPIFFS on ESP32_DEV
ESP_WiFiManager v1.12.1
ESP_MultiResetDetector v1.3.2
FS File: /ConfigSW.json, size: 150B
FS File: /CanadaFlag_1.png, size: 40.25KB
FS File: /CanadaFlag_2.png, size: 8.12KB
FS File: /CanadaFlag_3.jpg, size: 10.89KB
FS File: /edit.htm.gz, size: 4.02KB
FS File: /favicon.ico, size: 1.12KB
FS File: /graphs.js.gz, size: 1.92KB
FS File: /index.htm, size: 3.63KB
FS File: /drd.dat, size: 4B
FS File: /wifi_cred.dat, size: 192B

[WM] RFC925 Hostname = ESP32-FSWebServerDRD
[WM] setAPStaticIPConfig
[WM] setSTAStaticIPConfig for USE_CONFIGURABLE_DNS
[WM] Set CORS Header to :  Your Access-Control-Allow-Origin
Stored: SSID = HueNet2, Pass = 12345678
[WM] * Add SSID =  HueNet2 , PW =  12345678
Got stored Credentials. Timeout 120s for Config Portal
SPIFFS Flag read = 0xd0d04321
No multiResetDetected
Saving config file...
Saving config file OK
[WM] LoadWiFiCfgFile 
[WM] OK
[WM] * Add SSID =  HueNet1 , PW =  12345678
[WM] * Add SSID =  HueNet2 , PW =  12345678
ConnectMultiWiFi in setup
[WM] ConnectMultiWiFi with :
[WM] * Flash-stored Router_SSID =  HueNet2 , Router_Pass =  12345678
[WM] * Additional SSID =  HueNet1 , PW =  12345678
[WM] * Additional SSID =  HueNet2 , PW =  12345678
[WM] Connecting MultiWifi...
[WM] WiFi connected after time:  1
[WM] SSID: HueNet1 ,RSSI= -27
[WM] Channel: 2 ,IP address: 192.168.2.232
After waiting 3.16 secs more in setup(), connection result is connected. Local IP: 192.168.2.232
HTTP server started @ 192.168.2.232
Open http://esp32-fs-browser.local/edit to see the file browser
[WM] freeing allocated params!
Stop multiResetDetecting
Saving config file...
Saving config file OK

WiFi lost. Call connectMultiWiFi in loop
[WM] ConnectMultiWiFi with :
[WM] * Flash-stored Router_SSID =  HueNet2 , Router_Pass =  12345678
[WM] * Additional SSID =  HueNet1 , PW =  12345678
[WM] * Additional SSID =  HueNet2 , PW =  12345678
[WM] Connecting MultiWifi...
[WM] WiFi connected after time:  3
[WM] SSID: HueNet2 ,RSSI= -59
[WM] Channel: 4 ,IP address: 192.168.2.232
HHHHHHHHHH HHHHHHHHHH HHHHHHHHHH HHHHHHHHHH

2. minimal on ESP32_DEV

This is terminal debug output when running minimal on ESP32 ESP32_DEV using LittleFS.. Config Portal was requested by MRD to input and save Credentials.

2.1 Data Corrupted => reset to 0

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
/home/kh/Arduino/libraries/LITTLEFS-master/src/lfs.c:1003:error: Corrupted dir pair at {0x0, 0x1}
E (241) esp_littlefs: mount failed,  (-84)
E (245) esp_littlefs: Failed to initialize LittleFS
multiResetDetectorFlag = 0xFEFEFEFE
lowerBytes = 0xFEFE, upperBytes = 0x0101
lowerBytes = 0xFEFE, upperBytes = 0x0101
detectRecentlyResetFlag: Data corrupted. Reset to 0
No multiResetDetected, number of times = 0
Saving config file...
Saving config file OK
No Multi Reset Detected
Stop multiResetDetecting
Saving config file...
Saving config file OK

2.2 Reset Detected => Reporting 1

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFE0001
multiResetDetectorFlag = 0xFFFE0001
lowerBytes = 0x0001, upperBytes = 0x0001
No multiResetDetected, number of times = 1
LittleFS Flag read = 0xFFFE0001
Saving config file...
Saving config file OK
No Multi Reset Detected

2.3 Reset Detected => Reporting 2

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFD0002
multiResetDetectorFlag = 0xFFFD0002
lowerBytes = 0x0002, upperBytes = 0x0002
No multiResetDetected, number of times = 2
LittleFS Flag read = 0xFFFD0002
Saving config file...
Saving config file OK
No Multi Reset Detected

2.4 Reset Detected => Reporting 3

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFC0003
multiResetDetectorFlag = 0xFFFC0003
lowerBytes = 0x0003, upperBytes = 0x0003
No multiResetDetected, number of times = 3
LittleFS Flag read = 0xFFFC0003
Saving config file...
Saving config file OK
No Multi Reset Detected

2.5 Reset Detected => Reporting 4

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFB0004
multiResetDetectorFlag = 0xFFFB0004
lowerBytes = 0x0004, upperBytes = 0x0004
No multiResetDetected, number of times = 4
LittleFS Flag read = 0xFFFB0004
Saving config file...
Saving config file OK
No Multi Reset Detected

2.6 Reset Detected => Reporting 5. Multi Reset Detected

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFA0005
multiResetDetectorFlag = 0xFFFA0005
lowerBytes = 0x0005, upperBytes = 0x0005
multiResetDetected, number of times = 5
Saving config file...
Saving config file OK
Multi Reset Detected

2.7 Timed out => reset to 1

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFB0004
multiResetDetectorFlag = 0xFFFB0004
lowerBytes = 0x0004, upperBytes = 0x0004
No multiResetDetected, number of times = 4
LittleFS Flag read = 0xFFFB0004
Saving config file...
Saving config file OK
No Multi Reset Detected
Stop multiResetDetecting
Saving config file...
Saving config file OK

2.8 Reset Detected => Reporting 1

Starting ESP_MultiResetDetector minimal on ESP32_DEV using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFE0001
multiResetDetectorFlag = 0xFFFE0001
lowerBytes = 0x0001, upperBytes = 0x0001
No multiResetDetected, number of times = 1
LittleFS Flag read = 0xFFFE0001
Saving config file...
Saving config file OK
No Multi Reset Detected

3. minimal on ESP8266_NODEMCU

This is terminal debug output when running minimal on ESP8266_NODEMCU using LittleFS.. Config Portal was requested by MRD to input and save Credentials.

3.1 Data Corrupted => reset to 0

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
multiResetDetectorFlag = 0x00000000
lowerBytes = 0x0000, upperBytes = 0xFFFF
lowerBytes = 0x0000, upperBytes = 0xFFFF
detectRecentlyResetFlag: Data corrupted. Reset to 0
No multiResetDetected, number of times = 0
Saving config file...
Saving config file OK
No Multi Reset Detected

3.2 Reset Detected => Reporting 1

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFE0001
multiResetDetectorFlag = 0xFFFE0001
lowerBytes = 0x0001, upperBytes = 0x0001
No multiResetDetected, number of times = 1
LittleFS Flag read = 0xFFFE0001
Saving config file...
Saving config file OK
No Multi Reset Detected

3.3 Reset Detected => Reporting 2

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFD0002
multiResetDetectorFlag = 0xFFFD0002
lowerBytes = 0x0002, upperBytes = 0x0002
No multiResetDetected, number of times = 2
LittleFS Flag read = 0xFFFD0002
Saving config file...
Saving config file OK
No Multi Reset Detected

3.4 Reset Detected => Reporting 3

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFC0003
multiResetDetectorFlag = 0xFFFC0003
lowerBytes = 0x0003, upperBytes = 0x0003
No multiResetDetected, number of times = 3
LittleFS Flag read = 0xFFFC0003
Saving config file...
Saving config file OK
No Multi Reset Detected

3.5 Reset Detected => Reporting 4

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFB0004
multiResetDetectorFlag = 0xFFFB0004
lowerBytes = 0x0004, upperBytes = 0x0004
No multiResetDetected, number of times = 4
LittleFS Flag read = 0xFFFB0004
Saving config file...
Saving config file OK

3.6 Reset Detected => Reporting 5. Multi Reset Detected

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFA0005
multiResetDetectorFlag = 0xFFFA0005
lowerBytes = 0x0005, upperBytes = 0x0005
multiResetDetected, number of times = 5
Saving config file...
Saving config file OK
Multi Reset Detected

3.7 Timed out => reset to 1

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFB0004
multiResetDetectorFlag = 0xFFFB0004
lowerBytes = 0x0004, upperBytes = 0x0004
No multiResetDetected, number of times = 4
LittleFS Flag read = 0xFFFB0004
Saving config file...
Saving config file OK
No Multi Reset Detected
Stop multiResetDetecting
Saving config file...
Saving config file OK

3.8 Reset Detected => Reporting 1

Starting ESP_MultiResetDetector minimal on ESP8266_NODEMCU using LittleFS
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFE0001
multiResetDetectorFlag = 0xFFFE0001
lowerBytes = 0x0001, upperBytes = 0x0001
No multiResetDetected, number of times = 1
LittleFS Flag read = 0xFFFE0001
Saving config file...
Saving config file OK
No Multi Reset Detected

4. ESPAsync_WiFi using LittleFS on ESP32S3_DEV

This is terminal debug output when running ESPAsync_WiFi on ESP32 ESP32S3_DEV.. Config Portal was requested by MRD to input and save Credentials.

Starting ESPAsync_WiFi using LittleFS on ESP32S3_DEV
ESPAsync_WiFiManager_Lite v1.9.0
ESP_MultiResetDetector v1.3.2
LittleFS Flag read = 0xFFFC0003
multiResetDetectorFlag = 0xFFFC0003
lowerBytes = 0x0003, upperBytes = 0x0003
multiResetDetected, number of times = 3
Saving config file...
Saving config file OK
[WML] Hdr=ESP_WM_LITE,SSID=HueNet1,PW=12345678
[WML] SSID1=HueNet2,PW1=12345678
[WML] BName=ESP32_S3
[WML] Hdr=ESP_WM_LITE,SSID=HueNet1,PW=12345678
[WML] SSID1=HueNet2,PW1=12345678
[WML] BName=ESP32_S3
[WML] WiFi networks found:
[WML] 1: HueNetTek, -30dB
[WML] 2: HueNet, -31dB
[WML] 3: HueNet1, -36dB
[WML] 4: HueNet2, -55dB
[WML] 5: SmartRG-02a2, -75dB
[WML] 6: AT_301_WLREL6325F_f66d, -75dB
[WML] 7: Linksys00043, -77dB
[WML] 8: El khoury, -79dB
[WML] 9: house, -79dB
[WML] 10: Waterhome, -87dB
[WML] 11: Offline5, -89dB
[WML] 12: Access, -90dB
[WML] 13: ESP151CD5, -90dB
[WML] 14: Jessie, -90dB
[WML] 15: AdeyemiHome, -90dB
[WML] 16: BELL627, -90dB
[WML] 17: JJ Realestate Investments, -90dB
[WML] 18: BELL042, -92dB
[WML] 19: VIRGIN874, -93dB
[WML] 20: BELL905, -95dB
[WML] 
stConf:SSID=ESP_E1A1DF7C,PW=MyESP_E1A1DF7C
[WML] IP=192.168.4.1,ch=6
F
Your stored Credentials :
Blynk Server1 = account.duckdns.org
Token1 = token1
Blynk Server2 = account.ddns.net
Token2 = token2
Port = 8080
MQTT Server = mqtt.duckdns.org

Libraries using ESP_MultiResetDetector, ESP_DoubleResetDetector or DoubleResetDetector_Generic library

You can also see how ESP_MultiResetDetector and DoubleResetDetector_Generic are applied in many other libraries, such as:

  1. Blynk_WM
  2. BlynkEthernet_WM
  3. WiFiManager_NINA_Lite
  4. BlynkESP32_BT_WF,
  5. Blynk_GSM_Manager,
  6. Blynk_Esp8266AT_WM,
  7. Blynk_WiFiNINA_WM,
  8. Blynk_Async_WM,
  9. Blynk_Async_ESP32_BT_WF,
  10. Blynk_Async_GSM_Manager,
  11. ESP_WiFiManager
  12. ESPAsync_WiFiManager
  13. WiFiManager_NINA_Lite
  14. BlynkEthernet_STM32_WM,
  15. ESP_AT_WM_Lite
  16. WIOTerminal_WiFiManager
  17. Ethernet_Manager
  18. Ethernet_Manager_STM32

and the list is growing fast.

Debug

Debug is disabled by default. To enable debug:

// Use this to output debug msgs to Serial
#define MULTIRESETDETECTOR_DEBUG       true

Troubleshooting

If you get compilation errors, more often than not, you may need to install a newer version of the ESP32 / ESP8266 core for Arduino.

Sometimes, the library will only work if you update the ESP32 / ESP8266 core to the latest version because I am using some newly added function.

Issues

Submit issues to: ESP_MultiResetDetector issues

TO DO

  1. Search for bug and improvement.
  2. Similar features for Arduino (UNO, Mega, SAM DUE, SAMD21/SAMD51, nRF52, STM32, Teensy, etc.). Look at DoubleResetDetector_Generic

DONE

  1. Multi Reset Detector for ESP32 (EEPROM, SPIFFS and LittleFS) and ESP8266 (RTC, EEPROM, SPIFFS and LittleFS).
  2. Add support to ESP32_C3, ESP32_S2
  3. Add support to ESP32_S3 using ESP32 core v2.0.2+
  4. Add waitingForMRD() function to signal in MRD waiting period.
  5. Fix ESP32 chipID for exampleConfigOnMultiReset
  6. Remove dependency on LittleFS_esp32 library to prevent PIO error when using new ESP32 core v1.0.6+
  7. Add astyle using allman style. Restyle the library

Contributions and thanks

  1. Thanks to kbssa for request enhancement in Issue 9: Not an issue, but a question, leading to this new ESP_MultiResetDetector Library
  2. Thanks to Tochi Moreno for enhancement request in DRD is waiting for a double reset? #14 leading to v1.3.1 to add waitingForMRD() function to signal in MRD waiting period
kbssa
kbssa
 tochimoreno
Tochi Moreno

Contributing

If you want to contribute to this project:

  • Report bugs and errors
  • Ask for enhancements
  • Create issues and pull requests
  • Tell other people about this library

License

  • The library is licensed under MIT

Copyright

Copyright (c) 2020- Khoi Hoang