/*
 * Testprogramm2.c
 *
 * Created: 18.01.2017 17:52:09
 * Author : Andre
 */

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

void ClearLEDS(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);
}

void one(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
}

void two(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
}

void three(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
		LED_PORT.OUT &= ~LED3_PIN_bm;
		_delay_ms(350);
}

void four(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
		LED_PORT.OUT &= ~LED3_PIN_bm;
		_delay_ms(350);
		LED_PORT.OUT &= ~LED4_PIN_bm;
		_delay_ms(400);
}

void five(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
		LED_PORT.OUT &= ~LED3_PIN_bm;
		_delay_ms(350);
		LED_PORT.OUT &= ~LED4_PIN_bm;
		_delay_ms(400);
		LED_PORT.OUT &= ~LED5_PIN_bm;
		_delay_ms(350);
}

void six(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
		LED_PORT.OUT &= ~LED3_PIN_bm;
		_delay_ms(350);
		LED_PORT.OUT &= ~LED4_PIN_bm;
		_delay_ms(400);
		LED_PORT.OUT &= ~LED5_PIN_bm;
		_delay_ms(450);
		LED_PORT.OUT &= ~LED6_PIN_bm;
		_delay_ms(500);
}

void seven(void){
		LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

		LED_PORT.OUT &= ~LED1_PIN_bm;
		_delay_ms(250);
		LED_PORT.OUT &= ~LED2_PIN_bm;
		_delay_ms(300);
		LED_PORT.OUT &= ~LED3_PIN_bm;
		_delay_ms(350);
		LED_PORT.OUT &= ~LED4_PIN_bm;
		_delay_ms(400);
		LED_PORT.OUT &= ~LED5_PIN_bm;
		_delay_ms(450);
		LED_PORT.OUT &= ~LED6_PIN_bm;
		_delay_ms(500);
		LED_PORT.OUT &= ~LED7_PIN_bm;
		_delay_ms(550);
}

int main(void)
{

	//initialize LED
	LED_PORT.DIR = (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

	//Initialize state
	LED_PORT.OUT = (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);

	//Initialize buttons
	BUTTON4_PINCTRL = PORT_OPC_PULLUP_gc;

    uint8_t buffer;
    USB_USART_PORT.DIRSET = USB_USART_TX_PIN_bm;                 // TX is output.
    USB_USART_PORT.DIRCLR = USB_USART_RX_PIN_bm;                 // RX is input.
    // Asynchronous, 8 data bits, no parity, 1 stop bit
    USB_USART_MODULE.CTRLC = ( USART_CMODE_ASYNCHRONOUS_gc | USART_CHSIZE_8BIT_gc | USART_PMODE_DISABLED_gc);
    // 115200 baud -> BSCALE = -7, BSEL = 11, CLK2X = 0. Target: Internal RC 2MHz (default)
    USB_USART_MODULE.BAUDCTRLA = 11;
    USB_USART_MODULE.BAUDCTRLB = (-7<<USART_BSCALE_gp);
    // Enable receiver and transmitter
    USB_USART_MODULE.CTRLB = (USART_RXEN_bm | USART_TXEN_bm);

	int x = 0;

    while (1)
    {
		if(!(BUTTON_LOW_PORT.IN & BUTTON4_PIN_bm)){
			if(x == 0){
				LED_PORT.OUT |= (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm|LED5_PIN_bm|LED6_PIN_bm|LED7_PIN_bm);
				x = 1;
				}else if(x == 1){
				x = 0;
			}
		}
			if (USB_USART_MODULE.STATUS & USART_RXCIF_bm) {          // Receive complete?
				buffer = USB_USART_MODULE.DATA;                      // Read data
				while(!(USB_USART_MODULE.STATUS & USART_DREIF_bm));  // Wait until data register empty
				USB_USART_MODULE.DATA = buffer;                      // Send data

				if(x == 0){
					if (buffer == 0x30) // 1
					{
						one();
					}

					else if (buffer == 0x31) // 2
					{
						two();
					}
					else if (buffer == 0x32) // 3
					{
						three();
					}
					else if (buffer == 0x33) // 4
					{
						four();
					}
					else if (buffer == 0x34) // 5
					{
						five();
					}
					else if (buffer == 0x35) // 6
					{
						six();

					}
					else if (buffer == 0x36) // 7
					{
						seven();
					}
				}
			}
	}
}