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eaef5bd133
This reverts commit 1a17e17c462bdd4e1d26d8742f8b7087273e04c2. PUBLISHED_FROM=80028de308c9a021955d1425d2bfee8feb85f193
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/* clang-format off */
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/*********************************************************************
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* SEGGER MICROCONTROLLER GmbH & Co KG *
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* Solutions for real time microcontroller applications *
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**********************************************************************
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* *
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* (c) 2014 SEGGER Microcontroller GmbH & Co KG *
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* *
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* www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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----------------------------------------------------------------------
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File : RTT_Syscalls.c
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Purpose : Low-level functions for using printf() via RTT in GCC
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-------- END-OF-HEADER ---------------------------------------------
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*/
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#include <stdlib.h>
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#include "SEGGER_RTT.h"
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/*********************************************************************
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*
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* Function prototypes
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*
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**********************************************************************
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*/
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int _write(int file, char *ptr, int len);
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int _write_r(struct _reent *r, int file, char *ptr, int len);
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/*********************************************************************
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*
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* Global functions
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* _write()
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*
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* Function description
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* Low-level write function.
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* libc subroutines will use this system routine for output to all files,
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* including stdout.
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* Write data via RTT.
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*/
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int _write(int file, char *ptr, int len) {
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(void) file; /* Not used, avoid warning */
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SEGGER_RTT_Write(0, ptr, len);
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return len;
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}
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/*********************************************************************
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*
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* _write_r()
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*
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* Function description
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* Low-level reentrant write function.
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* libc subroutines will use this system routine for output to all files,
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* including stdout.
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* Write data via RTT.
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*/
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int _write_r(struct _reent *r, int file, char *ptr, int len) {
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(void) file; /* Not used, avoid warning */
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(void) r; /* Not used, avoid warning */
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SEGGER_RTT_Write(0, ptr, len);
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return len;
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}
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