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Enable ESP watchdog by default

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Use the ESP watchdog to detect hanging ESP and reset the firmware.
Can be disable by defining WLED_WATCHDOG_TIMOUT 0
Default timeout is 3 seconds on ESP32 and 8 seconds on ESP2688
This commit is contained in:
Daniel Poelzleithner 2022-05-05 11:24:41 +00:00
parent 099d2fd03d
commit 213e3e998a
2 changed files with 32 additions and 0 deletions
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25
wled00/wled.cpp
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@ -276,6 +276,15 @@ void WLED::loop()
loops++;
#endif // WLED_DEBUG
toki.resetTick();
#if WLED_WATCHDOG_TIMEOUT > 0
// we finished our mainloop, reset the watchdog timer
#ifdef ARDUINO_ARCH_ESP32
esp_task_wdt_reset();
#else
ESP.wdtFeed();
#endif
#endif
}
void WLED::setup()
@ -302,6 +311,22 @@ void WLED::setup()
DEBUG_PRINT(F("heap "));
DEBUG_PRINTLN(ESP.getFreeHeap());
#if WLED_WATCHDOG_TIMEOUT > 0
#ifdef ARDUINO_ARCH_ESP32
esp_err_t watchdog = esp_task_wdt_init(WLED_WATCHDOG_TIMEOUT, true);
DEBUG_PRINT(F("Enable watchdog "));
if (watchdog == ESP_OK) {
DEBUG_PRINTLN(F(" OK"));
} else {
DEBUG_PRINTLN(watchdog);
}
esp_task_wdt_add(NULL);
#else
// any timeout possible ?
ESP.wdtEnable(WLED_WATCHDOG_TIMEOUT * 1000);
#endif
#endif
#if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_PSRAM)
if (psramFound()) {
// GPIO16/GPIO17 reserved for SPI RAM

7
wled00/wled.h
View File

@ -49,6 +49,12 @@
// filesystem specific debugging
//#define WLED_DEBUG_FS
#ifndef WLED_WATCHDOG_TIMEOUT
// 3 seconds should be enough to detect a lockup
// define WLED_WATCHDOG_TIMEOUT=0 to disable watchdog
#define WLED_WATCHDOG_TIMEOUT 3
#endif
//optionally disable brownout detector on ESP32.
//This is generally a terrible idea, but improves boot success on boards with a 3.3v regulator + cap setup that can't provide 400mA peaks
//#define WLED_DISABLE_BROWNOUT_DET
@ -78,6 +84,7 @@
#else
#include <LittleFS.h>
#endif
#include "esp_task_wdt.h"
#endif
#include "src/dependencies/network/Network.h"