#include <stdlib.h>
#include "uart.h"
void uart_init() {
    /* This make stuff not work, idk
    // set baud rate
    UBRR0H = (MYUBRR>>8);
    UBRR0L = MYUBRR;
    */

    /* Enable receiver and transmitter */
    UCSR0B |= (1<<RXEN0) | (1<<TXEN0);
    /* Set frame format: 8data, 2stop bit */
    UCSR0C |= (1<<UCSZ01)|(3<<UCSZ00);

    //Lokales interrupt enable
    UCSR0B |= (1 << RXCIE0);
}

void uart_printc(char c) {
        /* Wait for empty transmit buffer */
        while ( !( UCSR0A & (1<<UDRE0)) )
        {
            // wartet nur
        }
        /* Put data into buffer, sends the data */
        UDR0 = c;
}
void uart_printsnl(char* s) {
    while(*s)
        uart_printc(*s++);
    uart_printc('\n');
}
void uart_prints(char* s) {
    while(*s)
        uart_printc(*s++);
}
void uart_printi(char* pre, int i) {
    // we want to print this,
    // so we store the ascii repr in our buffer
    char buf[10];
    itoa(i, buf, 10); // base 10
    uart_prints(pre);
    uart_printsnl(buf);

}
char uart_getc() {
    while (UCSR0A & (1 << RXC0));
    return UDR0;
}