#include "hw.h"
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/eeprom.h>
#include "hbw.h"

uint8_t expled;
uint8_t expbutton;

uint8_t hbw_get_channel(uint8_t channel, uint8_t data[])
{
	if (channel == 1) {
		if (bit_is_clear(PIND, ExpButton))
			data[0] = 0xC8;
		else
			data[0] = 0;
		return 1;
	}
	if (channel == 0) {
		if (bit_is_clear(PIND, ExpLED))
			data[0] = 0;
		else
			data[0] = 0xC8;
		return 1;
	}
	return 0;
}

void hbw_set_channel(uint8_t channel, uint8_t len, uint8_t data[])
{
	if (channel == 0) {
		if (data[0]) 
			PORTD |= (1<<ExpLED);
		else
			PORTD &= ~(1<<ExpLED);
	}
}

int main(void)
{
	uint8_t state;

	DDRD |= (1<<ConfigLED);
	DDRD &= ~(1<<ConfigButton);
	DDRD |= (1<<ExpLED);
	DDRD &= ~(1<<ExpButton);

	PORTD &= ~(1<<ConfigLED);
	PORTD |= (1<<ConfigButton);
	PORTD &= ~(1<<ExpLED);
	PORTD |= (1<<ExpButton);

	expled = 0;
	expbutton = 0;

	hbw_init();

	while(1) {
		hbw_loop();

		if (bit_is_clear(PIND, ExpButton) && (!expbutton)) {
			state = 0xC8;
			
			if (hbw_send_channel(1, 1, &state, 0)) {
				expbutton = ~0;
			}
		}

		if (bit_is_set(PIND, ExpButton) && expbutton) {
			state = 0;

			if (hbw_send_channel(1, 1, &state, 0)) {
				expbutton = 0;
			}
		}
	}
}