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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
/**
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* Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted (subject to the limitations in the
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* disclaimer below) provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* - Neither the name of Analog Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
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* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
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* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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Module : retarget.c
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Description :
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Date : December 2012
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Version : v2.00
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Changelog : v1.00 Initial
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v2.00 use of UrtLib functions
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*/
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#include <stdio.h>
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#include <rt_misc.h>
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#include <include.h>
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#pragma import(__use_no_semihosting_swi)
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#define CR 0x0D
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struct __FILE { int handle; /* Add whatever you need here */ };
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FILE __stdout;
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FILE __stdin;
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// Re-targetting the Realview library functions
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/*
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* writes the character specified by c (converted to an unsigned char) to
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* the output stream pointed to by stream, at the position indicated by the
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* asociated file position indicator (if defined), and advances the
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* indicator appropriately. If the file position indicator is not defined,
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* the character is appended to the output stream.
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* Returns: the character written. If a write error occurs, the error
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* indicator is set and fputc returns EOF.
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*/
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int fputc(int ch, FILE * stream )
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{
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if(ch == '\n')
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while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
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UrtTx(0, CR); /* output CR */
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while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
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UrtTx(0, ch);
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return(ch);
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}
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int __backspace(FILE *stream)
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{
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return 0x0;
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}
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/*
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* obtains the next character (if present) as an unsigned char converted to
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* an int, from the input stream pointed to by stream, and advances the
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* associated file position indicator (if defined).
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* Returns: the next character from the input stream pointed to by stream.
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* If the stream is at end-of-file, the end-of-file indicator is
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* set and fgetc returns EOF. If a read error occurs, the error
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* indicator is set and fgetc returns EOF.
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*/
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int fgetc(FILE * stream)
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{
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return (UrtRx(0));
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}
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int ferror(FILE *f) {
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/* Your implementation of ferror */
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return EOF;
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}
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void _ttywrch(int ch) { UrtTx(0, ch); }
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void _sys_exit(int return_code) {
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label: goto label; /* endless loop */
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}
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