/*
  Filename: practical_1.6
  Author: George Howard
  Date: 21/02/2024
  Description: This is a program that illuminates a specific LED based on the input of switch 0;
*/

#include <avr/io.h>
#include <util/delay.h>
#define MASK01 0x01         // 0000 0001

int main(void) {
    while (1) {
        unsigned char switches = 0x00;
        unsigned char ledsOut = 0x00;

        switches = PINC;

        unsigned char masked = switches & MASK01;

        // Assigning Ports
        DDRC = 0x00;
        DDRA = 0xFF;
        PORTC = 0xFF;

        // Switch statement to decide output
        switch(masked) {
            case 0x00:
                ledsOut = 0x80;
                break;
            case MASK01:
                ledsOut = (0x80 >> 3);
                break;
            default:
                ledsOut = 0x00;
                break;
        }

        // Assigning output to ports
        PORTA = ledsOut;
    }
}