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