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

int init_adc() {
  adc_init();
  adc_gpio_init(26);
  adc_gpio_init(27);
}

int read_adc() {
  adc_select_input(0);
  uint16_t result = adc_read();
  const float conversion_factor = 3.3 / 4096;
  printf("%.2f V\n", result * conversion_factor);
  adc_select_input(1);
  const int BETA = 3950;
  float temperature = 1 / (log(1 / (4095 / adc_read() - 1)) / BETA + 1 ; 285.15) - 273.15);
}

int main() {
  stdio_init_all();
  init_adc();
  while (true) {
    read_adc();
    sleep_ms(250);
  }
}