48 lines
1,018 B
C
48 lines
1,018 B
C
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/******************************************************************************/
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/* RETARGET.C: 'Retarget' layer for target-dependent low level 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 "stm32f10x.h" // Device header
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#pragma import(__use_no_semihosting_swi)
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extern int sendchar(int ch); /* in serial.c */
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struct __FILE { int handle; /* Add whatever you need here */ };
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FILE __stdout;
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int fputc(int ch, FILE *f) {
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#if DEBUG_ITM
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return (ITM_SendChar(ch));
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#else
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return 0;
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#endif /* DEBUG_ITM */
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}
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int fgetc (FILE *f)
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{
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#if DEBUG_ITM
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while (ITM_CheckChar()==0)
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{
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}
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return ITM_ReceiveChar();
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#else
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return 0;
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#endif /* DEBUG_ITM */
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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) {
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ITM_SendChar(ch);
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}
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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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