WantClue/NerdNos-Firmware
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Add watchdog timer to miner task

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Set a 120s timeout for the watchdog to catch a starving miner task.
If the miner task fails to reset the watchdog, the ESP32 will reboot.
This commit is contained in:
Stefan Berger 2023-07-11 17:12:02 +02:00
parent 35474c1bc5
commit 146d0497d6
2 changed files with 12 additions and 3 deletions
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12
src/NerdMinerV2.ino.cpp
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@ -20,6 +20,8 @@
//3 seconds WDT
#define WDT_TIMEOUT 3
//120 seconds WDT for miner task
#define WDT_MINER_TIMEOUT 120
OneButton button1(PIN_BUTTON_1);
OneButton button2(PIN_BUTTON_2);
@ -56,6 +58,7 @@ void setup()
Serial.setTimeout(0);
delay(100);
esp_task_wdt_init(WDT_MINER_TIMEOUT, true);
// Idle task that would reset WDT never runs, because core 0 gets fully utilized
disableCore0WDT();
//disableCore1WDT();
@ -137,8 +140,11 @@ void setup()
// Start mining tasks
//BaseType_t res = xTaskCreate(runWorker, name, 35000, (void*)name, 1, NULL);
xTaskCreate(runMiner, "Miner0", 15000, NULL, 1, NULL);
xTaskCreate(runMiner, "Miner1", 15000, NULL, 1, NULL);
TaskHandle_t minerTask1, minerTask2 = NULL;
xTaskCreate(runMiner, "Miner0", 15000, NULL, 1, &minerTask1);
xTaskCreate(runMiner, "Miner1", 15000, NULL, 1, &minerTask2);
esp_task_wdt_add(minerTask1);
esp_task_wdt_add(minerTask2);
/******** MONITOR SETUP *****/
setup_monitor();
@ -164,4 +170,4 @@ void loop() {
wifiManagerProcess(); // avoid delays() in loop when non-blocking and other long running code
vTaskDelay(50 / portTICK_PERIOD_MS);
}
}

3
src/mining.cpp
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@ -1,6 +1,7 @@
#include <Arduino.h>
#include <ArduinoJson.h>
#include <WiFi.h>
#include <esp_task_wdt.h>
#include <TFT_eSPI.h> // Graphics and font library for ILI9341 driver chip
#include <wolfssl/wolfcrypt/sha256.h>
#include "media/Free_Fonts.h"
@ -338,6 +339,8 @@ void runMiner(void * name){
}
uint32_t duration = micros() - startT;
if (esp_task_wdt_reset() == ESP_OK)
Serial.print(">>> Resetting watchdog timer");
}
}