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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: uart_8h_source.html,v 1.1.1.5 2014/08/13 06:29:35 joerg_wunsch Exp $
12  */
13 
14 /*
15  * Perform UART startup initialization.
16  */
17 void uart_init(void);
18 
19 /*
20  * Send one character to the UART.
21  */
22 int 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  */
34 int uart_getchar(FILE *stream);
struct __file FILE
Definition: stdio.h:275

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