mirror of
https://github.com/espressif/esp-idf.git
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99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
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/* Task_Watchdog Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "esp_task_wdt.h"
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#ifndef CONFIG_TASK_WDT_LEGACY_BEHAVIOR
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#define TIMEOUT 4000
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#define TASK_PERIOD 2000
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#define ASSERT_PRINT_ERROR(cond, str) ({ \
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if(!(cond)){ \
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printf("%s\n",str); \
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} \
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})
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void feeding_task(void *arg){
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int core = xPortGetCoreID();
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//Simple task that periodically feeds watchdog
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while(1){
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if(esp_task_wdt_feed() == ESP_OK){
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printf("Feed Task %d\n", core);
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}
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vTaskDelay(pdMS_TO_TICKS(TASK_PERIOD));
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}
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}
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void app_main(void)
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{
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//Initialize task watchdog
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if(esp_task_wdt_init(TIMEOUT, false) != ESP_OK){
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printf("Error\n");
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}
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//Create tasks
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TaskHandle_t handle_0;
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TaskHandle_t handle_1;
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xTaskCreatePinnedToCore(feeding_task, "Feed Task 0", 2000, NULL, 15, &handle_0, 0);
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xTaskCreatePinnedToCore(feeding_task, "Feed Task 1", 2000, NULL, 15, &handle_1, 1);
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//Add tasks to wdt
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ASSERT_PRINT_ERROR(esp_task_wdt_add(handle_0) == ESP_OK, "Add failed");
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ASSERT_PRINT_ERROR(esp_task_wdt_add(handle_1) == ESP_OK, "Add failed");
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0
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//Adding Idles. Idle hook will call feed automatically
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TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
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ASSERT_PRINT_ERROR(idle_0 != NULL, "Get Idle handle failed");
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ASSERT_PRINT_ERROR(esp_task_wdt_add(idle_0) == ESP_OK, "Add failed");
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#endif
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1
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TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
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ASSERT_PRINT_ERROR(idle_1 != NULL, "Get Idle handle failed");
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ASSERT_PRINT_ERROR(esp_task_wdt_add(idle_1) == ESP_OK, "Add failed");
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#endif
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//Wait 10 seconds
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vTaskDelay(pdMS_TO_TICKS(10000));
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//Remove tasks form wdt
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ASSERT_PRINT_ERROR(esp_task_wdt_delete(handle_0) == ESP_OK, "Failed to delete");
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ASSERT_PRINT_ERROR(esp_task_wdt_delete(handle_1) == ESP_OK, "Failed to delete");
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//Delete tasks
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vTaskDelete(handle_0);
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vTaskDelete(handle_1);
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0
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ASSERT_PRINT_ERROR(esp_task_wdt_delete(idle_0) == ESP_OK, "Failed to delete");
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#endif
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1
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ASSERT_PRINT_ERROR(esp_task_wdt_delete(idle_1) == ESP_OK, "Failed to delete");
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#endif
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0
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#ifndef CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1
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//Deinit task watchdog. Can only do so once all tasks (including idle) are deleted from wdt
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ASSERT_PRINT_ERROR(esp_task_wdt_deinit() == ESP_OK, "deinit failed");
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#endif
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#endif
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printf("Complete\n");
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}
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#endif
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