1 /******************************************************************************
2 * *
3 * License Agreement *
4 * *
5 * Copyright (c) 2010 Altera Corporation, San Jose, California, USA. *
6 * All rights reserved. *
7 * *
8 * Permission is hereby granted, free of charge, to any person obtaining a *
9 * copy of this software and associated documentation files (the "Software"), *
10 * to deal in the Software without restriction, including without limitation *
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12 * and/or sell copies of the Software, and to permit persons to whom the *
13 * Software is furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included in *
16 * all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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27 ******************************************************************************/
28
29 #include "altera_avalon_uart_regs.h"
30 #include "altera_avalon_uart_lwhal.h"
31
32
33 /** @Function Description: Writes a single character to the UART.
34 * @API Type: External
35 * @param base UART base address
36 * @param character Character to be written
37 * @return None
38 *
39 */
altera_avalon_uart_lwhal_putchar(void * base,int character)40 void altera_avalon_uart_lwhal_putchar(void *base, int character)
41 {
42 unsigned int status;
43
44 do {
45 status = IORD_ALTERA_AVALON_UART_STATUS(base);
46
47 if (status & ALTERA_AVALON_UART_STATUS_TRDY_MSK)
48 {
49 IOWR_ALTERA_AVALON_UART_TXDATA(base, (character & 0xff));
50 return;
51 }
52 }while (1);
53
54 return;
55 }
56
