线程资源监视,需menuconfig->FreeRTOS->开启trace

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/ledc.h"
#include "esp_err.h"
#include "string.h"
#define LEDC_TIMER              LEDC_TIMER_0            //LEDC定时器
#define LEDC_MODE               LEDC_LOW_SPEED_MODE     //LEDC的速度模式
#define LEDC_OUTPUT_IO          (12)                     //LEDC绑定引脚
#define LEDC_CHANNEL            LEDC_CHANNEL_0          //LEDC通道
#define LEDC_DUTY_RES           LEDC_TIMER_13_BIT       //LEDC占空比分辨率
#define LEDC_DUTY               (4095)                  //LEDC占空比
#define LEDC_FREQUENCY          (5000)                  //LEDC频率 5 kHz

static void example_ledc_init(void)
{
    //LEDC定时器配置
    ledc_timer_config_t ledc_timer = {
        .speed_mode       = LEDC_MODE,                  //设置定时器低速模式           
        .timer_num        = LEDC_TIMER,                 //设置定时器0  
        .duty_resolution  = LEDC_DUTY_RES,              //设置定时器分辨率 13位
        .freq_hz          = LEDC_FREQUENCY,             //设置定时器频率 5kHz
        .clk_cfg          = LEDC_AUTO_CLK               //设置定时器时钟选择
    };  
    ESP_ERROR_CHECK(ledc_timer_config(&ledc_timer));    //设置定时器配置

    //配置LEDC通道
    ledc_channel_config_t ledc_channel = {                          
        .speed_mode     = LEDC_MODE,                    //设置通道模式低速模式
        .channel        = LEDC_CHANNEL,                 //设置LEDC通道0
        .timer_sel      = LEDC_TIMER,                   //设置LEDC定时器
        .intr_type      = LEDC_INTR_DISABLE,            //设置LEDC中断类型       
        .gpio_num       = LEDC_OUTPUT_IO,               //设置LEDCGPIO引脚   
        .duty           = 0, // Set duty to 0%          //设置占空比
        .hpoint         = 0                             //LEDC通道hpoint值
    };
    ESP_ERROR_CHECK(ledc_channel_config(&ledc_channel));//配置LEDC通道参数
}

void cpu_task(void *ptr){
    uint8_t cpu_info[400];
    while (1)
    {
        memset(cpu_info,0,400);
        vTaskList((char *)&cpu_info);
        printf("%s",cpu_info);
        printf("--------------\r\n");
        memset(cpu_info,0,400);
        vTaskGetRunTimeStats((char*)&cpu_info);
        printf("%s",cpu_info);
        printf("--------------\r\n");

        vTaskDelay(5000/portTICK_PERIOD_MS);
    }
    
}

void app_main(void)
{
    // 配置LEDC外设
    example_ledc_init();
    // 设置占空比(LEDC的速度模式,LEDC通道,4095+1) 50% 2^13 = 8192  4096即占一半，占空比50%
    ESP_ERROR_CHECK(ledc_set_duty(LEDC_MODE, LEDC_CHANNEL, LEDC_DUTY));
    // 更新占空比
    ESP_ERROR_CHECK(ledc_update_duty(LEDC_MODE, LEDC_CHANNEL));
    xTaskCreate(cpu_task,"cpu_task_name",4096,NULL,1,NULL);
    
}