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char_handle.h
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1 /*
2 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * o Redistributions of source code must retain the above copyright notice, this list
9 * of conditions and the following disclaimer.
10 *
11 * o Redistributions in binary form must reproduce the above copyright notice, this
12 * list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef __CHAR_HANDLE_H__
32 #define __CHAR_HANDLE_H__
33
34 #include "board.h"
35 #include "fsl_uart_hal.h"
36
40 #undef getc
41 #define getc(x) \
42 { \
43 if (uart_hal_is_receive_data_register_full(BOARD_DEBUG_UART_INSTANCE)) \
44 uart_hal_getchar(BOARD_DEBUG_UART_INSTANCE, x); \
45 }
46
50 #undef putc
51 #define putc(x) \
52 { \
53 while (!uart_hal_is_transmit_data_register_empty(BOARD_DEBUG_UART_INSTANCE)) \
54 { \
55 } \
56 uart_hal_putchar(BOARD_DEBUG_UART_INSTANCE, x); \
57 }
58
65 static inline void cmd_puts(const char *s)
66 {
67 while (*s)
68 {
69 while (!uart_hal_is_transmit_data_register_empty(BOARD_DEBUG_UART_INSTANCE))
70 {
71 }
72
73 putc(*s++);
74 }
75 }
76
77 #endif
cmd_puts
static void cmd_puts(const char *s)
Output a string via uart. No /n appended.
Definition: char_handle.h:65
putc
#define putc(x)
putc redefine to uart putchar function.
Definition: char_handle.h:51