/*
 * Mainboard.c
 *
 * Created: 06.10.2013 19:12:35
 *  Author: netz
 */ 

#define F_CPU 16000000
//#define F_CPU 8000000
//#define F_CPU 2000000

#include <avr/io.h>
#include <util/delay.h>

//#include "config.h"
//#include <avr/io.h>
//#include "led.h"
//#include "rs232.h"
//#include "usb.h"

/*void wait_for_usb() {
	while(true) {
		if(usb_getstatus() == USB_STATUS_DISCONNECTED) {
			led(YELLOW);
			if(!(PINC & (1<<PINC7))) {
				return;
			}				
		}
		if(usb_getstatus() == USB_STATUS_ENUMERATED) {
			led(CYAN);
		}
		if(usb_getstatus() == USB_STATUS_CONFIGURED) {
			led(GREEN);
			return;
		}
	}	
}

void init()
{
	led(YELLOW);
	sei();
	init_led();
	init_rs232();
	//init_usb();
	DDRC &= ~(1<<PINC7);
	PORTC |= (1<<PINC7);
	//wait_for_usb();
}

void send(char * text) {
	uint8_t l = strlen(text);
	if(l >= 29) {
		text[29] = 13;
		text[30] = 10;
		text[31] = 0;
	} else {
		text[l] = 13;
		text[l+1] = 10;
		text[l+2] = 0;
	}
	led(MAGENTA);
	rs232_send(text);
	if(usb_getstatus() == USB_STATUS_CONFIGURED && usb_ready()) {
		usb_send(text);
	}
	led(GREEN);
}

void resi(char * text) {
	_delay_ms(10);
	send("Nachricht bekommen!");
	//send(text);
	led(RED);
	_delay_ms(2000);
}*/

uint8_t spi_putc( uint8_t data ) {
	SPDR = data;
	
	while(!(SPSR & (1<<SPIF))) {
		PORTB ^= (1<<PINB6);
		_delay_ms(100);
	}
	
	return SPDR;
}

int main(void)
{
	DDRB  =   (1<<PINB1) | (1<<PINB2) | (0<<PINB3) | (1<<PINB4) | (1<<PINB7) | (1<<PINB6);
	PORTB = 0 | (1<<PINB4);
	
	SPSR = 0;//(1<<SPI2X);
	SPCR = (1<<SPE) | (1<<MSTR) | (1<<SPR1) | (1<<SPR0);
	
	_delay_ms(10);
	
	PORTB &= ~(1<<PINB4);
	spi_putc( 0xC0 );
	_delay_ms(1);
	PORTB |= (1<<PINB4);
	
	PORTB &= ~(1<<PINB4);
	spi_putc( 0xC0 );
	_delay_ms(1);
	PORTB |= (1<<PINB4);
	
	PORTB |= (1<<PINB7);
	
	/*init();
	
	led(GREEN);
	char text[32];
	uint16_t i=0;
    while(1)
    {
		snprintf(text, 32, "blafoo %d ich bin ein lager doofer text",i++);
		send(text);
		_delay_ms(100);
		led_rainbow(5);
    }*/
	while(1) {
		
	}
}