#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#define LED_RED GPIO_NUM_5
#define LED_GREEN GPIO_NUM_2
#define LED_BLUE GPIO_NUM_4
struct led_task_parameters_t
{
 gpio_num_t led_gpio;
 TickType_t blink_time;
};
static led_task_parameters_t red_led_gpio = {LED_RED, 2000};
static led_task_parameters_t blue_led_gpio = {LED_BLUE, 1000};
static led_task_parameters_t green_led_gpio = {LED_GREEN, 500};
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;
 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;
 vTaskDelay(blink_time / portTICK_PERIOD_MS);
 }
 vTaskDelete(NULL);
}
extern "C" void app_main()
{
 xTaskCreate(
 &led_task, "red_led_task", 2048, &red_led_gpio, 5, NULL);
 xTaskCreate(
 &led_task, "blue_led_task", 2048, &blue_led_gpio, 5, NULL);
 xTaskCreate(
 &led_task, "green_led_task", 2048, &green_led_gpio, 5, NULL);
}