#include <stdio.h>
#include "pico/stdlib.h"
#include "hardware/gpio.h"
#include "hardware/adc.h"

#define buffer_max 1000
#define buffer_min 0

int buffer_tap = 0;
int buffer_delay = 100;

int buffer[buffer_max];



int main() {
  stdio_init_all();

  printf("Starting...");
  printf("Running...");

  adc_init();
  adc_gpio_init(26);
  adc_select_input(0);
  uint16_t adc_raw;



  // 12-bit conversion, assume max value == ADC_VREF == 3.3 V
  const float conversion_factor = 3.3f / (1 << 12);
  uint16_t result; // = adc_read();
  //printf("Raw value: 0x%03x, voltage: %f V\n", result, result * conversion_factor);



  while (true) {

    printf("Recording...\n");

    buffer_tap = 0;

    while (buffer_tap <= buffer_max) 
    {
      buffer_tap++;
      //if (buffer_tap > buffer_max)
      //{
      //  buffer_tap = buffer_min;
      //}
  
      result = adc_read();
      buffer[buffer_tap] = result;
      sleep_ms(10);
    }

    buffer_tap = 0;

    printf("Playback...\n");

    while (buffer_tap <= buffer_max) 
    {
      buffer_tap++;
      printf("[%i] Raw value: %i, voltage: %f V\n", buffer_tap, buffer[buffer_tap], buffer[buffer_tap] * conversion_factor);
      sleep_ms(10);
  }



  }


}