/*
   lcdlib.cpp (armazenar as funções);
   lcdlib.h  (header)
*/
#include "lcdlib.h"
Lcd display;//Cria-se o objeto chamado display;

void adc_init(void)
{
	ADMUX = (1<<REFS0);
	ADCSRA = (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
}

uint16_t adc_read( uint8_t ch )
{
	ch &= 0b00000111;  // AND operation with 7
	ADMUX = (ADMUX & 0xF8)|ch; 
	ADCSRA |= (1<<ADSC);
	while(ADCSRA & (1<<ADSC));
	return (ADCW);
}

void setup() {
  display.lcd_config(); 
  display.lcd_write_str(1, 1, "AN0:");
  display.lcd_write_str(2, 1, "AN1:");
  adc_init();

}
void loop() {
  char buffer[20] = {0,}; 
  snprintf(buffer, sizeof(buffer)-1, "%d  ", (unsigned int)(adc_read(0)*(100/1023.0)));
  display.lcd_write_str(1,5, buffer);

  snprintf(buffer, sizeof(buffer)-1, "%d  ", adc_read(1));
  display.lcd_write_str(2,5, buffer); 
}