retarget.c

/*---------------------------------------------------------------------------- 

* Name:    Retarget.c 

* Purpose: 'Retarget' layer for target-dependent low level functions 

* Note(s): 

*---------------------------------------------------------------------------- 

* This file is part of the uVision/ARM development tools. 

* 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. 

* 

* This software is supplied "AS IS" without warranties of any kind. 

* 

* Copyright (c) 2011 Keil - An ARM Company. All rights reserved. 

*----------------------------------------------------------------------------*/ 

#include <stdio.h> 

#include <rt_misc.h> 

#include <stm32f3xx.h> 

#include "MyUSART.h"

#pragma import(__use_no_semihosting_swi) 

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

FILE __stdout; 

FILE __stdin; 

int fputc(int c, FILE *f) { 

  // put char 
  return MyUSART_Write(MY_USART, c); 
} 

int fgetc(FILE *f) { 

    return (1);   // todo: add receive ability 

} 

int ferror(FILE *f) { 

  /* Your implementation of ferror */ 

  return EOF; 

} 

  

  

void _ttywrch(int c) { 

  // putchar 

} 

void _sys_exit(int return_code) { 

label:  goto label;  /* endless loop */ 

}