3.创建多任务-优快云博客

本文链接：https://blog.youkuaiyun.com/ciqujinnian_/article/details/135391256

本文介绍了如何在ESP32开发中使用FreeRTOS创建两个任务，包括任务1和任务2，以及如何调整任务2的堆栈大小以避免崩溃。同时展示了GPIO控制LED的代码和示例。

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在这一章我们使用函数创建了两个任务

/* Hello World Example

   This example code is in the Public Domain (or CC0 licensed, at your option.)

   Unless required by applicable law or agreed to in writing, this
   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
   CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_spi_flash.h"
#include "esp_log.h"
#include "driver/gpio.h"

static const char *TAG ="GPIO_BLINK";
#define LED_PIN 2
void gpio_config_init(void);
void gpio_toggle_level(gpio_num_t gpio_num);
void HeartbeatLED(void);


//任务1
static void task1(void* arg)
{
    for(;;){
    printf("TASK1 IS RUNNING!\n");
    HeartbeatLED();
    vTaskDelay(1000 / portTICK_RATE_MS);
    }
    
}


//任务2
 void task2(void *arg)
{
    char i=0;
    for(i=0;i<100;i++){
        printf("[TASK2]NO.%d hello,world\n",i);
        vTaskDelay(600 / portTICK_RATE_MS);
    }
    printf("[TASK2]Good bye i will die\n");
     vTaskDelete(NULL);
}
void app_main()
{
    printf("Hello world!\n");
    ESP_LOGI(TAG,"LED BLINK");
    printf("SDK Version:%s\n",esp_get_idf_version());
    gpio_config_init();
    //创建任务
    xTaskCreate(task1, "task1_test", 512, NULL, 3, NULL);
    xTaskCreate(task2,"task2_test",1024,NULL,5,NULL);
    // xTaskCreate(spi_master_write_slave_task, "spi_master_write_slave_task", 2048, NULL, 3, NULL);
    // gpio_set_level(GPIO_Pin_2,1);

    // while(1)
    // {
        
    //     vTaskDelay(1000 / portTICK_RATE_MS);
    // }
    
}



// void get_boardver(void)
// {
//     printf("SDK Version:%s\n",system_get_sdk_version());
// }


//GPIO 初始化代码
void gpio_config_init(void)
{
    gpio_config_t gpio_conf;

    gpio_conf.mode=GPIO_MODE_OUTPUT;
    gpio_conf.pin_bit_mask=(1ULL << LED_PIN);
    gpio_conf.pull_up_en=0;
    gpio_conf.pull_down_en=0;
    gpio_conf.intr_type=GPIO_INTR_DISABLE;
    gpio_config(&gpio_conf);

    // gpio_set_level(GPIO_Pin_2,1);

}

//GPIO翻转电平代码
void gpio_toggle_level(gpio_num_t gpio_num)
{
    bool gpio_level = gpio_get_level(gpio_num);
    gpio_set_level(gpio_num,!gpio_level);
    printf("get vaal:%d val2:%d\n",gpio_level,(!gpio_level));

}


void HeartbeatLED(void)
{
    gpio_set_level(LED_PIN,0);
    oled_delay_ms(40);
    gpio_set_level(LED_PIN,1);
    oled_delay_ms(70);

    gpio_set_level(LED_PIN,0);
    oled_delay_ms(40);
    gpio_set_level(LED_PIN,1);


}