#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/semphr.h>

const int relayPin = 2;   // Change this to the appropriate pin for the relay
const int led1Pin = 13;   // Change this to the appropriate pin for the first LED
const int led2Pin = 14;   // Change this to the appropriate pin for the second LED

SemaphoreHandle_t relaySemaphore;
SemaphoreHandle_t led1Semaphore;
SemaphoreHandle_t led2Semaphore;

void relayTask(void *pvParameters) {
  while (1) {
    xSemaphoreTake(relaySemaphore, portMAX_DELAY);
    digitalWrite(relayPin, !digitalRead(relayPin));  // Toggle relay state
    xSemaphoreGive(relaySemaphore);
    vTaskDelay(1000 / portTICK_PERIOD_MS);  // Adjust delay as needed
  }
}

void led1Task(void *pvParameters) {
  while (1) {
    xSemaphoreTake(led1Semaphore, portMAX_DELAY);
    digitalWrite(led1Pin, !digitalRead(led1Pin));  // Toggle LED1 state
    xSemaphoreGive(led1Semaphore);
    vTaskDelay(500 / portTICK_PERIOD_MS);  // Adjust delay as needed
  }
}

void led2Task(void *pvParameters) {
  while (1) {
    xSemaphoreTake(led2Semaphore, portMAX_DELAY);
    digitalWrite(led2Pin, !digitalRead(led2Pin));  // Toggle LED2 state
    xSemaphoreGive(led2Semaphore);
    vTaskDelay(700 / portTICK_PERIOD_MS);  // Adjust delay as needed
  }
}

void setup() {
  pinMode(relayPin, OUTPUT);
  pinMode(led1Pin, OUTPUT);
  pinMode(led2Pin, OUTPUT);

  Serial.begin(115200);
  Serial.println("ESP32 Simultaneous Blinking LEDs and Relay FreeRTOS Example");

  relaySemaphore = xSemaphoreCreateMutex();
  led1Semaphore = xSemaphoreCreateMutex();
  led2Semaphore = xSemaphoreCreateMutex();

  xTaskCreatePinnedToCore(relayTask, "RelayTask", 10000, NULL, 1, NULL, 0);
  xTaskCreatePinnedToCore(led1Task, "Led1Task", 10000, NULL, 1, NULL, 1);
  xTaskCreatePinnedToCore(led2Task, "Led2Task", 10000, NULL, 1, NULL, 1);
}

void loop() {
  // The loop is not used for tasks; it's just to satisfy the Arduino framework
  vTaskDelay(1000 / portTICK_PERIOD_MS);
}