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

const int buttonPin = 2;  // Change this to the pin you are using for the button
const int dacChannel = 0; // DAC channel to use
const int toneFrequency = 1000;  // Frequency of the tone (Hz)
 
TaskHandle_t buttonTaskHandle = NULL;
 
void buttonTask(void* parameter) {
  while (1) {
    if (digitalRead(buttonPin) == LOW) {
      // Button is pressed, generate a tone
      dacWrite(dacChannel, 2047);  // Set DAC to a value for the desired tone
      delay(100);  // Adjust the duration of the tone as needed
      dacWrite(dacChannel, 0);  // Turn off the tone
    }
    vTaskDelay(10 / portTICK_PERIOD_MS);  // Adjust the delay as needed
  }
}
 
void setup() {
  pinMode(buttonPin, INPUT_PULLUP);  // Use INPUT_PULLUP to enable the internal pull-up resistor
 
  // Initialize the DAC
  dacWrite(dacChannel, 0); // Start with 0 output
 
  xTaskCreate(buttonTask, "ButtonTask", 1000, NULL, 1, &buttonTaskHandle);
  vTaskStartScheduler();  // Start FreeRTOS
}
void loop(){}