| [6] | 1 | /*********************************************************************
|
|---|
| 2 | * SEGGER Microcontroller GmbH *
|
|---|
| 3 | * The Embedded Experts *
|
|---|
| 4 | **********************************************************************
|
|---|
| 5 | * *
|
|---|
| 6 | * (c) 2014 - 2019 SEGGER Microcontroller GmbH *
|
|---|
| 7 | * *
|
|---|
| 8 | * www.segger.com Support: support@segger.com *
|
|---|
| 9 | * *
|
|---|
| 10 | **********************************************************************
|
|---|
| 11 | * *
|
|---|
| 12 | * All rights reserved. *
|
|---|
| 13 | * *
|
|---|
| 14 | * Redistribution and use in source and binary forms, with or *
|
|---|
| 15 | * without modification, are permitted provided that the following *
|
|---|
| 16 | * conditions are met: *
|
|---|
| 17 | * *
|
|---|
| 18 | * - Redistributions of source code must retain the above copyright *
|
|---|
| 19 | * notice, this list of conditions and the following disclaimer. *
|
|---|
| 20 | * *
|
|---|
| 21 | * - Neither the name of SEGGER Microcontroller GmbH *
|
|---|
| 22 | * nor the names of its contributors may be used to endorse or *
|
|---|
| 23 | * promote products derived from this software without specific *
|
|---|
| 24 | * prior written permission. *
|
|---|
| 25 | * *
|
|---|
| 26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
|
|---|
| 27 | * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
|
|---|
| 28 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
|
|---|
| 29 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
|
|---|
| 30 | * DISCLAIMED. *
|
|---|
| 31 | * IN NO EVENT SHALL SEGGER Microcontroller GmbH BE LIABLE FOR *
|
|---|
| 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
|
|---|
| 33 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
|
|---|
| 34 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
|
|---|
| 35 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
|
|---|
| 36 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
|
|---|
| 37 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
|
|---|
| 38 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
|
|---|
| 39 | * DAMAGE. *
|
|---|
| 40 | * *
|
|---|
| 41 | **********************************************************************
|
|---|
| 42 | * *
|
|---|
| 43 | * RTT version: 5.12e *
|
|---|
| 44 | * *
|
|---|
| 45 | **********************************************************************
|
|---|
| 46 | -------- END-OF-HEADER ---------------------------------------------
|
|---|
| 47 | File : SEGGER_RTT_Syscalls_GCC.c
|
|---|
| 48 | Purpose : Low-level functions for using printf() via RTT in GCC.
|
|---|
| 49 | To use RTT for printf output, include this file in your
|
|---|
| 50 | application.
|
|---|
| 51 | ----------------------------------------------------------------------
|
|---|
| 52 | */
|
|---|
| 53 | //#include <reent.h> // required for _write_r
|
|---|
| 54 | #include "SEGGER_RTT.h"
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | /*********************************************************************
|
|---|
| 58 | *
|
|---|
| 59 | * Types
|
|---|
| 60 | *
|
|---|
| 61 | **********************************************************************
|
|---|
| 62 | */
|
|---|
| 63 | //
|
|---|
| 64 | // If necessary define the _reent struct
|
|---|
| 65 | // to match the one passed by the used standard library.
|
|---|
| 66 | //
|
|---|
| 67 | struct _reent;
|
|---|
| 68 |
|
|---|
| 69 | /*********************************************************************
|
|---|
| 70 | *
|
|---|
| 71 | * Function prototypes
|
|---|
| 72 | *
|
|---|
| 73 | **********************************************************************
|
|---|
| 74 | */
|
|---|
| 75 | int _write(int file, char *ptr, int len);
|
|---|
| 76 | int _write_r(struct _reent *r, int file, const void *ptr, int len);
|
|---|
| 77 |
|
|---|
| 78 | /*********************************************************************
|
|---|
| 79 | *
|
|---|
| 80 | * Global functions
|
|---|
| 81 | *
|
|---|
| 82 | **********************************************************************
|
|---|
| 83 | */
|
|---|
| 84 |
|
|---|
| 85 | /*********************************************************************
|
|---|
| 86 | *
|
|---|
| 87 | * _write()
|
|---|
| 88 | *
|
|---|
| 89 | * Function description
|
|---|
| 90 | * Low-level write function.
|
|---|
| 91 | * libc subroutines will use this system routine for output to all files,
|
|---|
| 92 | * including stdout.
|
|---|
| 93 | * Write data via RTT.
|
|---|
| 94 | */
|
|---|
| 95 | int _write(int file, char *ptr, int len) {
|
|---|
| 96 | (void) file; /* Not used, avoid warning */
|
|---|
| 97 | SEGGER_RTT_Write(0, ptr, len);
|
|---|
| 98 | return len;
|
|---|
| 99 | }
|
|---|
| 100 |
|
|---|
| 101 | /*********************************************************************
|
|---|
| 102 | *
|
|---|
| 103 | * _write_r()
|
|---|
| 104 | *
|
|---|
| 105 | * Function description
|
|---|
| 106 | * Low-level reentrant write function.
|
|---|
| 107 | * libc subroutines will use this system routine for output to all files,
|
|---|
| 108 | * including stdout.
|
|---|
| 109 | * Write data via RTT.
|
|---|
| 110 | */
|
|---|
| 111 | int _write_r(struct _reent *r, int file, const void *ptr, int len) {
|
|---|
| 112 | (void) file; /* Not used, avoid warning */
|
|---|
| 113 | (void) r; /* Not used, avoid warning */
|
|---|
| 114 | SEGGER_RTT_Write(0, ptr, len);
|
|---|
| 115 | return len;
|
|---|
| 116 | }
|
|---|
| 117 |
|
|---|
| 118 | /****** End Of File *************************************************/
|
|---|
