AVR-LibC  2.2.0
Standard C library for AVR-GCC
 

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uart.h
1/*
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <joerg@FreeBSD.ORG> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Joerg Wunsch
7 * ----------------------------------------------------------------------------
8 *
9 * Stdio demo, UART declarations
10 *
11 * $Id$
12 */
13
14/*
15 * Perform UART startup initialization.
16 */
17void uart_init(void);
18
19/*
20 * Send one character to the UART.
21 */
22int uart_putchar(char c, FILE *stream);
23
24/*
25 * Size of internal line buffer used by uart_getchar().
26 */
27#define RX_BUFSIZE 80
28
29/*
30 * Receive one character from the UART. The actual reception is
31 * line-buffered, and one character is returned from the buffer at
32 * each invokation.
33 */
34int uart_getchar(FILE *stream);
struct __file FILE
Definition: stdio.h:283