#define LED 2
#define BT 5
#define POT 34
#define MAX_PRESS 100

SemaphoreHandle_t semaforo;

TaskHandle_t taskTrataBTHandle;
TaskHandle_t xTaskADCHandle;
TaskHandle_t xTaskLEDHandle;

QueueHandle_t xQueue;

volatile int potValue;

void vTaskTrataBT(void * pvParameters) {

  int buttonState = 0;
  int lastButtonState = 0;
  unsigned long lastTime = 0;
  unsigned long debounceDelay = 50;
  int contador = 0;

  while (1) {
    xSemaphoreTake(semaforo, portMAX_DELAY);
    int currentState = digitalRead(buttonPin); 

    
    if (currentState != lastButtonState) {
      lastTime = millis();
    }

    bool value = true;
    if ((millis() - lastTime) > debounceDelay) {
      if (currentState == HIGH) {
        xQueueSend(xQueue, &value, portMAX_DELAY)
      }
    }

    lastButtonState = currentState;
    Serial.println("x: " + String(contador));
  }

}

void vTaskADC(void * pvParameters) {

  while (1) {
    xSemaphoreTake(semaforo, portMAX_DELAY);
    potValue = analogRead(POT);
    Serial.println("Valor do ADC: " + String(potValue));
    Serial.println(" ");
  }
}

voud vTaskLED(void *parameters) {
  bool receivedValue;

  xQueueReceive(xQueue, &receivedValue, portMAX_DELAY);

  int mappedDelay = map(potValue, 0, 4095, 0, 5000);

  digitalWrite(LED, HIGH);
  vTaskDelay(pdMS_TO_TICKS(mappedDelay));
  digitalWrite(LED, LOW);
  vTaskDelay(pdMS_TO_TICKS(mappedDelay));
}


void ISR_CallBack() {

  BaseType_t xHighPriorityTaskWoken = pdTRUE;

  xSemaphoreGiveFromISR(semaforo, &xHighPriorityTaskWoken);

  if (xHighPriorityTaskWoken == pdTRUE)
  {
    portYIELD_FROM_ISR();
  }

}

void setup() {
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
  pinMode(BT, INPUT_PULLUP);

  xQueue = xQueueCreate(MAX_PRESS, sizeof(bool));
  semaforo = xSemaphoreCreateBinary();
  xTaskCreate(vTaskTrataBT, "Task BT", configMINIMAL_STACK_SIZE + 1024, NULL, 3, &taskTrataBTHandle);
  xTaskCreate(vTaskADC, "TaskADC", configMINIMAL_STACK_SIZE + 1024, NULL, 1, &xTaskADCHandle);
  xTaskCreate(vTaskLED, "Task LED", configMINIMAL_STACK_SIZE + 1024, NULL, 1, &xTaskLEDHandle);


}

void loop() {

}