#include <stdio.h>
#include <avr/io.h>
#include <util/delay.h>
#include "uart.h"
#include "print_helper.h"

#define BLINK_DELAY_MS 100

int main (void)
{
    /* set pin 3 of PORTA for output*/
    DDRA |= _BV(DDA3);
    /* Init stdio on UART0 and UART3 and print user code info */
    uart0_init();
    uart3_init();
    stdout = stdin = &uart0_io;
    stderr = &uart3_out;
    fprintf(stderr, "Version: %s built on: %s %s\n",
            GIT_DESCR, __DATE__, __TIME__);
    fprintf(stderr, "avr-libc version: %s\n", __AVR_LIBC_VERSION_STRING__);
    /* End stdio init and info print */

    /* ASCII table print */
    print_ascii_tbl(stderr);

    while (1) {
        /* set pin 3 high to turn led on */
        PORTA |= _BV(PORTA3);
        _delay_ms(BLINK_DELAY_MS);
        /* set pin 3 low to turn led off */
        PORTA &= ~_BV(PORTA3);
        _delay_ms(BLINK_DELAY_MS);
    }
}