Analysis-Of-FreeRTOS-On-ESP32/behavior analysis/simple task/simple-task.c

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"


#define LED_RED GPIO_NUM_2
#define LED_GREEN GPIO_NUM_4
#define LED_BLUE GPIO_NUM_5


struct led_task_parameters_t
{
  gpio_num_t led_gpio;
  TickType_t blink_time;
  char led_name[10];
};


static led_task_parameters_t red_led_gpio = {LED_RED, 2000,"Red"};
static led_task_parameters_t blue_led_gpio = {LED_BLUE, 2000,"Blue"};
static led_task_parameters_t green_led_gpio = {LED_GREEN, 2000,"Green"};




void led_task(void *pvParameter)
{
  gpio_num_t led_gpio = ((led_task_parameters_t *)pvParameter)-> led_gpio;
  TickType_t blink_time = ((led_task_parameters_t *)pvParameter)-> blink_time;
  char *led_name = ((led_task_parameters_t *)pvParameter)-> led_name;
  uint8_t led_value = 0;
  gpio_reset_pin(led_gpio);
  gpio_set_direction(led_gpio, GPIO_MODE_OUTPUT);




  while (1) {
    gpio_set_level(led_gpio, led_value);
    led_value = !led_value;
    //printf("%s \n",led_name);
    //printf("%d \n",(xPortGetFreeHeapSize()));
    printf("%d in %s \n",(uxTaskGetStackHighWaterMark(NULL)),led_name);
    vTaskDelay(blink_time / portTICK_PERIOD_MS);
  }
  vTaskDelete( NULL );
}




extern "C" void app_main()
{
  xTaskCreate(
    &led_task, // task function
    "red_led_task", // task name
    2048, // stack size in words
    &red_led_gpio, // pointer to parameters
    5, // priority
    NULL); // out pointer to task handle


  xTaskCreate(
    &led_task, // task function
    "blue_led_task", // task name
    2048, // stack size in words
    &blue_led_gpio, // pointer to parameters
    5, // priority
    NULL); // out pointer to task handle


  xTaskCreate(
    &led_task, // task function
    "green_led_task", // task name
    2048, // stack size in words
    &green_led_gpio, // pointer to parameters
    5, // priority
    NULL); // out pointer to task handle
}