Jurica Resetar / aconno_SEGGER_RTT

Segger rtt lib

Dependents:   acnSensa_LIS acd52832_Indoor_Posit_Peripheral acd52832_Indoor_Posit_Central iBeacon acnsensa ... more

SEGGER_RTT_Syscalls_GCC.c@0:e61e7fc7cfe1, 2017-09-22 (annotated)

Committer:
jurica238814
Date:
Fri Sep 22 10:36:47 2017 +0000
Revision:
0:e61e7fc7cfe1
Child:
1:5acbf302ee01
SEGER RTT library init commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jurica238814 0:e61e7fc7cfe1 1 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 2 * SEGGER MICROCONTROLLER GmbH & Co. KG *
jurica238814 0:e61e7fc7cfe1 3 * Solutions for real time microcontroller applications *
jurica238814 0:e61e7fc7cfe1 4 **********************************************************************
jurica238814 0:e61e7fc7cfe1 5 * *
jurica238814 0:e61e7fc7cfe1 6 * (c) 2014 - 2015 SEGGER Microcontroller GmbH & Co. KG *
jurica238814 0:e61e7fc7cfe1 7 * *
jurica238814 0:e61e7fc7cfe1 8 * www.segger.com Support: support@segger.com *
jurica238814 0:e61e7fc7cfe1 9 * *
jurica238814 0:e61e7fc7cfe1 10 **********************************************************************
jurica238814 0:e61e7fc7cfe1 11 * *
jurica238814 0:e61e7fc7cfe1 12 * All rights reserved. *
jurica238814 0:e61e7fc7cfe1 13 * *
jurica238814 0:e61e7fc7cfe1 14 * * This software may in its unmodified form be freely redistributed *
jurica238814 0:e61e7fc7cfe1 15 * in source form. *
jurica238814 0:e61e7fc7cfe1 16 * * The source code may be modified, provided the source code *
jurica238814 0:e61e7fc7cfe1 17 * retains the above copyright notice, this list of conditions and *
jurica238814 0:e61e7fc7cfe1 18 * the following disclaimer. *
jurica238814 0:e61e7fc7cfe1 19 * * Modified versions of this software in source or linkable form *
jurica238814 0:e61e7fc7cfe1 20 * may not be distributed without prior consent of SEGGER. *
jurica238814 0:e61e7fc7cfe1 21 * * This software may only be used for communication with SEGGER *
jurica238814 0:e61e7fc7cfe1 22 * J-Link debug probes. *
jurica238814 0:e61e7fc7cfe1 23 * *
jurica238814 0:e61e7fc7cfe1 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
jurica238814 0:e61e7fc7cfe1 25 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
jurica238814 0:e61e7fc7cfe1 26 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
jurica238814 0:e61e7fc7cfe1 27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
jurica238814 0:e61e7fc7cfe1 28 * DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
jurica238814 0:e61e7fc7cfe1 29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
jurica238814 0:e61e7fc7cfe1 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
jurica238814 0:e61e7fc7cfe1 31 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
jurica238814 0:e61e7fc7cfe1 32 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
jurica238814 0:e61e7fc7cfe1 33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
jurica238814 0:e61e7fc7cfe1 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
jurica238814 0:e61e7fc7cfe1 35 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
jurica238814 0:e61e7fc7cfe1 36 * DAMAGE. *
jurica238814 0:e61e7fc7cfe1 37 * *
jurica238814 0:e61e7fc7cfe1 38 **********************************************************************
jurica238814 0:e61e7fc7cfe1 39 -------- END-OF-HEADER ---------------------------------------------
jurica238814 0:e61e7fc7cfe1 40 File : SEGGER_RTT_Syscalls_GCC.c
jurica238814 0:e61e7fc7cfe1 41 Purpose : Low-level functions for using printf() via RTT in GCC.
jurica238814 0:e61e7fc7cfe1 42 To use RTT for printf output, include this file in your
jurica238814 0:e61e7fc7cfe1 43 application.
jurica238814 0:e61e7fc7cfe1 44 ----------------------------------------------------------------------
jurica238814 0:e61e7fc7cfe1 45 */
jurica238814 0:e61e7fc7cfe1 46 //#include <reent.h> // required for _write_r
jurica238814 0:e61e7fc7cfe1 47 #include "SEGGER_RTT.h"
jurica238814 0:e61e7fc7cfe1 48 #include <stdint.h>
jurica238814 0:e61e7fc7cfe1 49 typedef uint32_t size_t;
jurica238814 0:e61e7fc7cfe1 50
jurica238814 0:e61e7fc7cfe1 51 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 52 *
jurica238814 0:e61e7fc7cfe1 53 * Types
jurica238814 0:e61e7fc7cfe1 54 *
jurica238814 0:e61e7fc7cfe1 55 **********************************************************************
jurica238814 0:e61e7fc7cfe1 56 */
jurica238814 0:e61e7fc7cfe1 57 //
jurica238814 0:e61e7fc7cfe1 58 // If necessary define the _reent struct
jurica238814 0:e61e7fc7cfe1 59 // to match the one passed by the used standard library.
jurica238814 0:e61e7fc7cfe1 60 //
jurica238814 0:e61e7fc7cfe1 61 struct _reent;
jurica238814 0:e61e7fc7cfe1 62
jurica238814 0:e61e7fc7cfe1 63 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 64 *
jurica238814 0:e61e7fc7cfe1 65 * Function prototypes
jurica238814 0:e61e7fc7cfe1 66 *
jurica238814 0:e61e7fc7cfe1 67 **********************************************************************
jurica238814 0:e61e7fc7cfe1 68 */
jurica238814 0:e61e7fc7cfe1 69 int _write(int file, char *ptr, int len);
jurica238814 0:e61e7fc7cfe1 70 int _write_r(struct _reent *r, int file, const void *ptr, size_t len);
jurica238814 0:e61e7fc7cfe1 71
jurica238814 0:e61e7fc7cfe1 72 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 73 *
jurica238814 0:e61e7fc7cfe1 74 * Global functions
jurica238814 0:e61e7fc7cfe1 75 *
jurica238814 0:e61e7fc7cfe1 76 **********************************************************************
jurica238814 0:e61e7fc7cfe1 77 */
jurica238814 0:e61e7fc7cfe1 78
jurica238814 0:e61e7fc7cfe1 79 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 80 *
jurica238814 0:e61e7fc7cfe1 81 * _write()
jurica238814 0:e61e7fc7cfe1 82 *
jurica238814 0:e61e7fc7cfe1 83 * Function description
jurica238814 0:e61e7fc7cfe1 84 * Low-level write function.
jurica238814 0:e61e7fc7cfe1 85 * libc subroutines will use this system routine for output to all files,
jurica238814 0:e61e7fc7cfe1 86 * including stdout.
jurica238814 0:e61e7fc7cfe1 87 * Write data via RTT.
jurica238814 0:e61e7fc7cfe1 88 */
jurica238814 0:e61e7fc7cfe1 89 int _write(int file, char *ptr, int len) {
jurica238814 0:e61e7fc7cfe1 90 (void) file; /* Not used, avoid warning */
jurica238814 0:e61e7fc7cfe1 91 SEGGER_RTT_Write(0, ptr, len);
jurica238814 0:e61e7fc7cfe1 92 return len;
jurica238814 0:e61e7fc7cfe1 93 }
jurica238814 0:e61e7fc7cfe1 94
jurica238814 0:e61e7fc7cfe1 95 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 96 *
jurica238814 0:e61e7fc7cfe1 97 * _write_r()
jurica238814 0:e61e7fc7cfe1 98 *
jurica238814 0:e61e7fc7cfe1 99 * Function description
jurica238814 0:e61e7fc7cfe1 100 * Low-level reentrant write function.
jurica238814 0:e61e7fc7cfe1 101 * libc subroutines will use this system routine for output to all files,
jurica238814 0:e61e7fc7cfe1 102 * including stdout.
jurica238814 0:e61e7fc7cfe1 103 * Write data via RTT.
jurica238814 0:e61e7fc7cfe1 104 */
jurica238814 0:e61e7fc7cfe1 105 int _write_r(struct _reent *r, int file, const void *ptr, size_t len) {
jurica238814 0:e61e7fc7cfe1 106 (void) file; /* Not used, avoid warning */
jurica238814 0:e61e7fc7cfe1 107 (void) r; /* Not used, avoid warning */
jurica238814 0:e61e7fc7cfe1 108 SEGGER_RTT_Write(0, ptr, len);
jurica238814 0:e61e7fc7cfe1 109 return len;
jurica238814 0:e61e7fc7cfe1 110 }
jurica238814 0:e61e7fc7cfe1 111
jurica238814 0:e61e7fc7cfe1 112 /****** End Of File *************************************************/