1 /*********************************************************************
2 * SEGGER Microcontroller GmbH *
3 * Solutions for real time microcontroller applications *
4 **********************************************************************
5 * *
6 * (c) 1995 - 2018 SEGGER Microcontroller GmbH *
7 * *
8 * www.segger.com Support: support@segger.com *
9 * *
10 **********************************************************************
11 * *
12 * SEGGER RTT * Real Time Transfer for embedded targets *
13 * *
14 **********************************************************************
15 * *
16 * All rights reserved. *
17 * *
18 * SEGGER strongly recommends to not make any changes *
19 * to or modify the source code of this software in order to stay *
20 * compatible with the RTT protocol and J-Link. *
21 * *
22 * Redistribution and use in source and binary forms, with or *
23 * without modification, are permitted provided that the following *
24 * conditions are met: *
25 * *
26 * o Redistributions of source code must retain the above copyright *
27 * notice, this list of conditions and the following disclaimer. *
28 * *
29 * o Redistributions in binary form must reproduce the above *
30 * copyright notice, this list of conditions and the following *
31 * disclaimer in the documentation and/or other materials provided *
32 * with the distribution. *
33 * *
34 * o Neither the name of SEGGER Microcontroller GmbH *
35 * nor the names of its contributors may be used to endorse or *
36 * promote products derived from this software without specific *
37 * prior written permission. *
38 * *
39 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
40 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
41 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
42 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
43 * DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
44 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
45 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
46 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
47 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
48 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
50 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
51 * DAMAGE. *
52 * *
53 **********************************************************************
54 ---------------------------END-OF-HEADER------------------------------
55 File : SEGGER_RTT_Syscalls_IAR.c
56 Purpose : Low-level functions for using printf() via RTT in IAR.
57 To use RTT for printf output, include this file in your
58 application and set the Library Configuration to Normal.
59 Revision: $Rev: 12303 $
60 ----------------------------------------------------------------------
61 */
62 #ifdef __IAR_SYSTEMS_ICC__
63
64 //
65 // Since IAR EWARM V8 yfuns.h is considered as deprecated and LowLevelIOInterface.h shall be used instead
66 // To not break any compatibility with older compiler versions, we have a version check in here
67 //
68 #if __VER__ >= 8000000
69 #include <LowLevelIOInterface.h>
70 #else
71 #include <yfuns.h>
72 #endif
73
74 #include "SEGGER_RTT.h"
75 #pragma module_name = "?__write"
76
77 /*********************************************************************
78 *
79 * Function prototypes
80 *
81 **********************************************************************
82 */
83 size_t __write(int handle, const unsigned char * buffer, size_t size);
84
85 /*********************************************************************
86 *
87 * Global functions
88 *
89 **********************************************************************
90 */
91 /*********************************************************************
92 *
93 * __write()
94 *
95 * Function description
96 * Low-level write function.
97 * Standard library subroutines will use this system routine
98 * for output to all files, including stdout.
99 * Write data via RTT.
100 */
__write(int handle,const unsigned char * buffer,size_t size)101 size_t __write(int handle, const unsigned char * buffer, size_t size) {
102 (void) handle; /* Not used, avoid warning */
103 SEGGER_RTT_Write(0, (const char*)buffer, size);
104 return size;
105 }
106
107 /*********************************************************************
108 *
109 * __write_buffered()
110 *
111 * Function description
112 * Low-level write function.
113 * Standard library subroutines will use this system routine
114 * for output to all files, including stdout.
115 * Write data via RTT.
116 */
__write_buffered(int handle,const unsigned char * buffer,size_t size)117 size_t __write_buffered(int handle, const unsigned char * buffer, size_t size) {
118 (void) handle; /* Not used, avoid warning */
119 SEGGER_RTT_Write(0, (const char*)buffer, size);
120 return size;
121 }
122
123 #endif
124 /****** End Of File *************************************************/
125
