Functions Prototypes Required By in uart.c FDEV_SETUP_STREAM();

[AldanisVigo]

include <avr/io.h>

include

ifndef BAUD

define BAUD 9600

endif

include <util/setbaud.h>

/* http://www.cs.mun.ca/~rod/Winter2007/4723/notes/serial/serial.html / int uart_putchar(char c, FILE stream); // <=======//// RIGHT HERE int uart_getchar(FILE *stream); // <=======//// AND HERE

// ////REQUIRED BY ======v===================v FILE uart_output = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE); FILE uart_input = FDEV_SETUP_STREAM(NULL,uart_getchar, _FDEV_SETUP_READ);

void uart_init(void) { UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;

UCSR0C = _BV(UCSZ01) | _BV(UCSZ00); /* 8-bit data */ 
UCSR0B = _BV(RXEN0) | _BV(TXEN0);   /* Enable RX and TX */    

}

int uart_putchar(char c, FILE *stream) { if (c == '\n') { uart_putchar('\r', stream); } loop_until_bit_is_set(UCSR0A, UDRE0); UDR0 = c; return 0; }

int uart_getchar(FILE *stream) { loop_until_bit_is_set(UCSR0A, RXC0); return UDR0; }

[AldanisVigo]

Thank you for this, very awesome reference.