1 /*
2 * FreeRTOS V202212.00
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * https://www.FreeRTOS.org
23 * https://github.com/FreeRTOS
24 *
25 */
26
27 /*-----------------------------------------------------------
28 * Example console I/O wrappers.
29 *----------------------------------------------------------*/
30
31 #include <stdarg.h>
32 #include <stdio.h>
33
34 #include <FreeRTOS.h>
35 #include <semphr.h>
36
37 SemaphoreHandle_t xStdioMutex;
38 StaticSemaphore_t xStdioMutexBuffer;
39
console_init(void)40 void console_init( void )
41 {
42 xStdioMutex = xSemaphoreCreateMutexStatic( &xStdioMutexBuffer );
43 }
44
console_print(const char * fmt,...)45 void console_print( const char * fmt,
46 ... )
47 {
48 va_list vargs;
49
50 va_start( vargs, fmt );
51
52 xSemaphoreTake( xStdioMutex, portMAX_DELAY );
53
54 vprintf( fmt, vargs );
55
56
57 va_end( vargs );
58 }
59