retarget.c

来自「STM32 USART1 2 3三串口收发」· C语言 代码 · 共 35 行

/******************************************************************************/
/* RETARGET.C: 'Retarget' layer for target-dependent low level functions      */
/******************************************************************************/
/* This file is part of the uVision/ARM development tools.                    */
/* Copyright (c) 2005-2007 Keil Software. All rights reserved.                */
/* This software may only be used under the terms of a valid, current,        */
/* end user licence from KEIL for a compatible version of KEIL software       */
/* development tools. Nothing else gives you the right to use this software.  */
/******************************************************************************/

#include <stdio.h>
#include <rt_misc.h>

#pragma import(__use_no_semihosting_swi)


extern int  SendChar (int ch);          /* In Serial.c                        */


struct __FILE { int handle; /* Add whatever you need here */ };
FILE __stdout;


int fputc (int ch, FILE *f) { return (SendChar(ch)); }

int ferror (FILE *f) {
  /* Your implementation of ferror */
  return EOF;
}

void _ttywrch (int ch) { SendChar(ch); }


void _sys_exit (int return_code) { for (;;); }