arduio IDE的开发环境 跑FreeRTOS操作系统 的重启问题
2020-07-153633
AI 快速预览详细
本文讨论了在Arduino IDE开发环境下，ESP32开发板运行FreeRTOS操作系统时遇到的任务看门狗触发导致的频繁重启问题。通过串口打印信息分析，发现IDLE0任务未能及时重置看门狗计时器，导致系统重启。文章提供了一个有效的解决方案，即将串口事件处理从任务函数移到loop函数中，从而避免了任务看门狗触发。这个方法可以帮助开发者快速解决问题，节省调试时间。
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硬件和环境：是ESP32开发板 arduio IDE的开发环境 跑FreeRTOS操作系统 问题 :会一直重启 串口打印信息如下 [mw_shl_code=cpp,false][10:41:42.083]收←◆E (12434) task_wdt: Task watchdog got triggered. The following tasks did not reset the watchdog in time: E (12434) task_wdt: - IDLE0 (CPU 0) E (12434) task_wdt: Tasks currently running: E (12434) task_wdt: CPU 0: TaskOne E (12434) task_wdt: CPU 1: IDLE1 E (12434) task_wdt: Aborting. abort() was called at PC 0x400d43e7 on core 0 Backtrace: 0x400907f0:0x3ffbe190 0x40090a21:0x3ffbe1b0 0x400d43e7:0x3ffbe1d0 0x40084729:0x3ffbe1f0 0x400d14d4:0x3ffc76f0 0x4008d2ed:0x3ffc7710 Rebooting... ets Jun 8 2016 00:22:57 rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:1 load:0x3fff0018,len:4 load:0x3fff001c,len:1216 ho 0 tail 12 room 4 load:0x40078000,len:9720 ho 0 tail 12 room 4 load:0x40080400,len:6352 entry 0x400806b8 代码： #include "WiFi.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "BluetoothSerial.h" #if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED) #error Bluetooth is not enabled! Please run `make menuconfig` to and enable it #endif BluetoothSerial SerialBT; //蓝牙定义 WiFiServer server(80); //定义服务器 int wstatus=0; String comdata = ""; String currentLine = ""; // 制作一个字符串以容纳来自客户端的传入数据 void BLInit(); //蓝牙初始化 void setup() { Serial.begin(115200); //串口初始化 delay(1000); vTaskDelay(pdMS_TO_TICKS(100));//等待系统初始化 xTaskCreate( taskOne, /* Task function. */ "TaskOne", /* String with name of task. */ 10000, /* Stack size in bytes. */ NULL, /* Parameter passed as input of the task */ 1, /* Priority of the task. */ NULL); /* Task handle. */ xTaskCreate( taskTwo, /* Task function. */ "TaskTwo", /* String with name of task. */ 10000, /* Stack size in bytes. */ NULL, /* Parameter passed as input of the task */ 2, /* Priority of the task. */ NULL); /* Task handle. */ } void loop() { vTaskDelay(1000); } void taskOne( void * parameter ) { while(1) { comdata=""; while (Serial.available()) //时刻读取硬件串口数据 { comdata += char(Serial.read()); vTaskDelay(2); } while (Serial.read() >= 0) {} //清除串口缓存 if (comdata.length() > 0) { Serial.println(comdata); } } Serial.println("Ending task 1"); vTaskDelete( NULL ); } void taskTwo( void * parameter) { while(1){ //Serial.println("taskTwo"); vTaskDelay(1000); } Serial.println("Ending task 2"); vTaskDelete( NULL ); } void BLInit() { SerialBT.begin("ESP32test"); //蓝牙名字设定Bluetooth device name }[/mw_shl_code] 尝试过 把串事件处理放到 loop 函数就没有问题 求助 ！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！ |
