Hüseyin

/** \file main.c
*
*
*/

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

void partOne(void){
    //LED 0 on and off
    if (!(BUTTON_LOW_PORT.IN & BUTTON4_PIN_bm)) {
        LED_PORT.OUT |= LED0_PIN_bm;
    }
    if (!(BUTTON_LOW_PORT.IN & BUTTON0_PIN_bm)) {
        LED_PORT.OUT &= ~LED0_PIN_bm;
    }

    //LED 1 on and off
    if (!(BUTTON_LOW_PORT.IN & BUTTON5_PIN_bm)) {
        LED_PORT.OUT |= LED1_PIN_bm;
    }
    if (!(BUTTON_LOW_PORT.IN & BUTTON1_PIN_bm)) {
        for(int i = 0; i<1; i++){
            LED_PORT.OUT &= ~LED1_PIN_bm;
            _delay_ms(250);
            LED_PORT.OUT |= LED1_PIN_bm;
            _delay_ms(250);
        }
        LED_PORT.OUT &= ~LED1_PIN_bm;
    }

    //LED 2 on and off
    if (!(BUTTON_HIGH_PORT.IN & BUTTON6_PIN_bm)) {
        LED_PORT.OUT |= LED2_PIN_bm;
    }
    if (!(BUTTON_LOW_PORT.IN & BUTTON2_PIN_bm)) {
        for(int i = 0; i<=1; i++){
            LED_PORT.OUT &= ~LED2_PIN_bm;
            _delay_ms(250);
            LED_PORT.OUT |= LED2_PIN_bm;
            _delay_ms(250);
        }
        LED_PORT.OUT &= ~LED2_PIN_bm;
    }

    //LED3 on and off
    if (!(BUTTON_HIGH_PORT.IN & BUTTON7_PIN_bm)) {
        LED_PORT.OUT |= LED3_PIN_bm;
    }
    if (!(BUTTON_LOW_PORT.IN & BUTTON3_PIN_bm)) {
        for(int i = 0; i<=2; i++){
            LED_PORT.OUT &= ~LED3_PIN_bm;
            _delay_ms(250);
            LED_PORT.OUT |= LED3_PIN_bm;
            _delay_ms(250);
        }
        LED_PORT.OUT &= ~LED3_PIN_bm;
    }
}

int main(void)
{
    // Initialize LED
    LED_PORT.DIR = (LED0_PIN_bm|LED1_PIN_bm|LED2_PIN_bm|LED3_PIN_bm|LED4_PIN_bm);

    LED_PORT.OUT = LED4_PIN_bm;
    // Initialize push-buttons
    BUTTON0_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON1_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON2_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON3_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON4_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON5_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON6_PINCTRL = PORT_OPC_PULLUP_gc;
    BUTTON7_PINCTRL = PORT_OPC_PULLUP_gc;
    uint8_t data;

    USB_USART_PORT.DIRSET = USB_USART_TX_PIN_bm;
    USB_USART_PORT.DIRCLR = USB_USART_RX_PIN_bm;

    USB_USART_MODULE.CTRLC=(USART_CMODE_ASYNCHRONOUS_gc|USART_CHSIZE_8BIT_gc|USART_PMODE_DISABLED_gc);

    USB_USART_MODULE.BAUDCTRLA = 11;
    USB_USART_MODULE.BAUDCTRLB = (-7<<USART_BSCALE_gp);

    USB_USART_MODULE.CTRLB=(USART_RXEN_bm|USART_TXEN_bm);

    while(1)
    {
        partOne();
        if (USB_USART_MODULE.STATUS & USART_RXCIF_bm) {          // Receive complete?
            data = USB_USART_MODULE.DATA;                    // Read data
            while(!(USB_USART_MODULE.STATUS & USART_DREIF_bm));  // Wait until data register empty
            USB_USART_MODULE.DATA = data;               // send data
            LED_PORT.OUT &= ~LED4_PIN_bm;
            _delay_ms(250);
            LED_PORT.OUT |= LED4_PIN_bm;
            _delay_ms(250);

        }

    }
}