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

int sig[20] = {0};    

void app_main(void) {
    esp_err_t ret;

    // Initialize DAC
    ret = dac_output_enable(DAC_CHAN_0);
    // ESP_ERROR_CHECK(ret);

    // Generate sine wave values
    for (int i = 0; i < 20; i++) {
        sig[i] = (int)((sin(2 * M_PI * i / 20) + 1) * 127.5);  // Adjusted for proper sine wave generation
    }

    while (1) {
        for (int i = 0; i < 20; i++) {
            ret = dac_output_voltage(DAC_CHAN_0, sig[i]);
            // ESP_ERROR_CHECK(ret);

            printf("The number is: %d\n", sig[i]);
            vTaskDelay(pdMS_TO_TICKS(100));  // Proper delay conversion
        }
    }
}