1 /*********************************************************************
2 * SEGGER Microcontroller GmbH *
3 * The Embedded Experts *
4 **********************************************************************
5 * *
6 * (c) 1995 - 2019 SEGGER Microcontroller GmbH *
7 * *
8 * www.segger.com Support: [email protected] *
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 * condition is met: *
25 * *
26 * o Redistributions of source code must retain the above copyright *
27 * notice, this condition and the following disclaimer. *
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29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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43 **********************************************************************
44 ---------------------------END-OF-HEADER------------------------------
45 File : SEGGER_RTT_Syscalls_IAR.c
46 Purpose : Low-level functions for using printf() via RTT in IAR.
47 To use RTT for printf output, include this file in your
48 application and set the Library Configuration to Normal.
49 Revision: $Rev: 24316 $
50 ----------------------------------------------------------------------
51 */
52 #ifdef __IAR_SYSTEMS_ICC__
53
54 //
55 // Since IAR EWARM V8 and EWRX V4, yfuns.h is considered as deprecated and LowLevelIOInterface.h
56 // shall be used instead. To not break any compatibility with older compiler versions, we have a
57 // version check in here.
58 //
59 #if ((defined __ICCARM__) && (__VER__ >= 8000000)) || ((defined __ICCRX__) && (__VER__ >= 400))
60 #include <LowLevelIOInterface.h>
61 #else
62 #include <yfuns.h>
63 #endif
64
65 #include "SEGGER_RTT.h"
66 #pragma module_name = "?__write"
67
68 /*********************************************************************
69 *
70 * Function prototypes
71 *
72 **********************************************************************
73 */
74 size_t __write(int handle, const unsigned char * buffer, size_t size);
75
76 /*********************************************************************
77 *
78 * Global functions
79 *
80 **********************************************************************
81 */
82 /*********************************************************************
83 *
84 * __write()
85 *
86 * Function description
87 * Low-level write function.
88 * Standard library subroutines will use this system routine
89 * for output to all files, including stdout.
90 * Write data via RTT.
91 */
__write(int handle,const unsigned char * buffer,size_t size)92 size_t __write(int handle, const unsigned char * buffer, size_t size) {
93 (void) handle; /* Not used, avoid warning */
94 SEGGER_RTT_Write(0, (const char*)buffer, size);
95 return size;
96 }
97
98 /*********************************************************************
99 *
100 * __write_buffered()
101 *
102 * Function description
103 * Low-level write function.
104 * Standard library subroutines will use this system routine
105 * for output to all files, including stdout.
106 * Write data via RTT.
107 */
__write_buffered(int handle,const unsigned char * buffer,size_t size)108 size_t __write_buffered(int handle, const unsigned char * buffer, size_t size) {
109 (void) handle; /* Not used, avoid warning */
110 SEGGER_RTT_Write(0, (const char*)buffer, size);
111 return size;
112 }
113
114 #endif
115 /****** End Of File *************************************************/
116