1 /**
2 *
3 * \file
4 *
5 * \brief
6 *
7 * Copyright (c) 2015 Atmel Corporation. All rights reserved.
8 *
9 * \asf_license_start
10 *
11 * \page License
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions are met:
15 *
16 * 1. Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above copyright notice,
20 * this list of conditions and the following disclaimer in the documentation
21 * and/or other materials provided with the distribution.
22 *
23 * 3. The name of Atmel may not be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * 4. This software may only be redistributed and used in connection with an
27 * Atmel microcontroller product.
28 *
29 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
30 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
31 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
32 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
33 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
38 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
40 *
41 * \asf_license_stop
42 *
43 */
44 #include "asf.h"
45 #include <stdio.h>
46 #include <stdarg.h>
47 #include "FreeRTOS.h"
48 #include "osprintf.h"
49
50 xSemaphoreHandle trace_lock;
51
osprintf_init(void * usart,const void * opt)52 void osprintf_init(void *usart, const void *opt)
53 {
54 trace_lock = xSemaphoreCreateMutex();
55 stdio_serial_init(usart, opt);
56 }
57
osprintf(const char * fmt,...)58 void osprintf(const char *fmt, ...)
59 {
60 va_list args;
61 va_start(args, fmt);
62 xSemaphoreTake(trace_lock, portMAX_DELAY);
63 vprintf(fmt, args);
64 xSemaphoreGive(trace_lock);
65 va_end(args);
66 }
67
osprint(const char * s)68 void osprint(const char *s)
69 {
70 xSemaphoreTake(trace_lock, portMAX_DELAY);
71 puts(s);
72 xSemaphoreGive(trace_lock);
73 }
74
osprint_hex_array(uint8_t * p,int sz)75 void osprint_hex_array(uint8_t *p, int sz)
76 {
77 xSemaphoreTake(trace_lock, portMAX_DELAY);
78 while (sz) {
79 if (sz < 8) {
80 while (sz--) {
81 printf("%02x ", *p);
82 p++;
83 }
84 break;
85 }
86 printf("%02x %02x %02x %02x %02x %02x %02x %02x\n",
87 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
88 p += 8;
89 sz -= 8;
90 }
91 printf("\n");
92 xSemaphoreGive(trace_lock);
93 }
94
osprint_sem_take(void)95 void osprint_sem_take(void)
96 {
97 xSemaphoreTake(trace_lock, portMAX_DELAY);
98 }
99
osprint_sem_give(void)100 void osprint_sem_give(void)
101 {
102 xSemaphoreGive(trace_lock);
103 }
104