#include <stdio.h>
#include <avr/io.h>

#include "HD44780.hpp"
#include "libADC.hpp"
#include "uart_buffer.hpp"

#include "Arduino.h"

int main() {
  LCD_Initalize();
  LCD_GoTo(0, 0);
  LCD_WriteText((char*)"operations:");
  LCD_GoTo(0, 1);
  LCD_WriteText((char*)"0, 1");

  ADC_Init();

  // initialize Serial (UART) communication
  uart_init(9600,0);
  sei();				// unlock the interrupts

  uint8_t data;

  while (1) {

    // LAB 3
    if (uart_read_count() > 0) {
      data = uart_read();
      // when key '0' is pressed
      if (data == '0') {
        // do something
        uart_send_byte('*');
      }
      // when key '1' is pressed
      else if (data == '1') {
        // do something else
        uart_send_byte('_');
      }
      else {
        // send received sign as echo
        uart_send_byte(data);
      }
    }
  }
  //_delay_ms(100);
  return 0;
}