/*
 * AVRGCC1.c
 *
 * Created: 2018-04-27 08:43:39
 *  Author: student
 */

#define F_CPU 16000000UL

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

void clear_lcd(){
	pisz_com(0b10000000);
	for(int i=0;i<16;i++){
		pisz_ws(' ');
	}
	pisz_com(0b11000000);
	for(int i=0;i<16;i++){
		pisz_ws(' ');
	}
}
void napisz_litere(char c){
	switch(c){
		case 0x3A: c = 'A'; break;
		case 0x3B: c = 'B'; break;
		case 0x3C: c = 'C'; break;
		case 0x3D: c = 'D'; break;
		case 0x3E: c = 'E'; break;
		case 0x3F: c = 'F'; break;
	}
	pisz_ws(c);
}
void napisz_napis(char * tekst){
	while(*tekst != '\0'){
		pisz_ws(*tekst);
		tekst++;
	}
}

int main(void)
{
	char* tekst = "  Lab. 0-proc ";
	char byt;
	int stan = 0;
	int a = 255;
	int address = 0;
	int kroki = 0;
	int numbers[16];
	char byess[64];
	tekst[7] = 228;
	MCUCR = _BV(SRE) | MCUCR | _BV(SRW10) ;
	XMCRA = _BV(SRW00) | _BV(SRW01) | _BV(SRW11) | XMCRA;

	DDRD = 0x00; // Wszystkie linie portu D będą wejściami
	PORTD = 0xFF;
	DDRE = 0xFF;

	MMnet104_CONF = 0x13;

	_delay_ms(20);
	COMM_LCD = 0x30;
	_delay_ms(5);
	COMM_LCD = 0x30;
	_delay_ms(1);
	COMM_LCD = 0x30;
	_delay_ms(20);

	COMM_LCD = 0b00111000;
	_delay_ms(20);
	COMM_LCD = 0b00001100;
	_delay_ms(20);
	COMM_LCD = 0b00000001;
	_delay_ms(20);
	COMM_LCD = 0b00000110;
	_delay_ms(20);
	clear_lcd();
	pisz_com(0b10000000);
	clear_lcd();

    while(1)
    {
		byt = iB_reset();
		clear_lcd();
		pisz_com(0b10000000);
        if (byt) {
			napisz_napis("Kod pastylki");
			if (stan % 2 == 0) PORTE |= _BV(1);
			else PORTE = PORTE & ~_BV(1);
			stan++;
			PORTE = PORTE & ~_BV(2);
			_delay_ms(500);
		}
		else {
			napisz_napis("Kod pastylki");
			PORTE = PORTE & ~_BV(1);
			PORTE |= _BV(2);
			{
				iB_send_bit(1);
				iB_send_bit(1);
				iB_send_bit(0);
				iB_send_bit(0);
				iB_send_bit(1);
				iB_send_bit(1);
				iB_send_bit(0);
				iB_send_bit(0);
				for(int i=0;i<64;i++){
					byess[i] = iB_recv();
				}
				a =3;
				pisz_com(0b11000000);
				for(int i=0;i<16;i++){
					numbers[i] = 1*byess[4*i]+ 2*byess[4*i+1] + 4*byess[4*i+2] + 8*byess[4*i+3];
					napisz_litere(numbers[i]+0x30);
				}
			}
			_delay_ms(3000);
		}
    }
}