Lab11

Additional header files into your Lab11 https://db.tt/2XuClltyg6

code

// Lab 11A
// ADC_LDR_Light_Sensor.ino
// read the LDR sensor on PC1(ADC1) and display on serial terminal
// connect LDR to PC1
#include <avr/io.h>
#include <util/delay.h>
#include "USART.h"
#include "ADC.h"
#include <stdio.h>
#include <string.h>
int main(void) {
  char text[30];
  // initialise UART
  initUSART();
  // initialise ADC, PC1
  initADC(1);
  // print some text
  printString("LDR - Light sensor program\r\n");
  printString("Getting sensor reading.\r\n");
  // keep sending AIN1 value
  while (1) {
    int LDR_reading = getADCValue(1);
    sprintf(text, "LDR = %d\r\n", LDR_reading);
    printString(text);
    _delay_ms(1000);
  }
  return 0;
}