Analysis-Of-FreeRTOS-On-ESP32/behavior analysis/software timers/software-timer-same-callback.c

#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




static TimerHandle_t led1 , led2 ,led3= NULL ;  










void TimerLedControl(TimerHandle_t xtimer){
  uint32_t led_timer_id = (uint32_t) pvTimerGetTimerID(xtimer) ;
  //red led
  if (led_timer_id == 0){
  gpio_set_level(LED_RED,!gpio_get_level(LED_RED));
  }
  //green led
  if (led_timer_id == 1){
  gpio_set_level(LED_GREEN,!gpio_get_level(LED_GREEN));
  }
  //blue led
  if (led_timer_id == 2){
  gpio_set_level(LED_BLUE,!gpio_get_level(LED_BLUE));
  }
  printf("inside timer\n");


}


extern "C" void app_main()
{




  //setting GPIO Direction (INPUT , OUTPUT)


  gpio_set_direction(LED_RED, GPIO_MODE_OUTPUT);
  gpio_set_direction(LED_GREEN, GPIO_MODE_OUTPUT);
  gpio_set_direction(LED_BLUE, GPIO_MODE_OUTPUT);
 
  //timer tasks


  led1 = xTimerCreate("LED Red", pdMS_TO_TICKS(100),pdTRUE,(void *) 0,TimerLedControl);
  led2 = xTimerCreate("LED Green", pdMS_TO_TICKS(100),pdTRUE,(void *) 1,TimerLedControl);
  led3 = xTimerCreate("LED Blue", pdMS_TO_TICKS(100),pdTRUE,(void *) 2,TimerLedControl);
  xTimerStart(led1,0);
  xTimerStart(led2,0);
  xTimerStart(led3,0);