2020-08-24 16:47:22 +08:00

56 lines
1.5 KiB
C

/******************************************************************************/
/* RETARGET.C: 'Retarget' layer for target-dependent low level functions */
/******************************************************************************/
/* This file is part of the uVision/ARM development tools. */
/* Copyright (c) 2005 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 "CM3DS_MPS2.h"
//#pragma import(__use_no_semihosting_swi)
extern int sendchar(int ch); /* in Serial.c */
extern int getkey(void); /* in Serial.c */
extern long timeval; /* in Time.c */
struct __FILE { int handle; /* Add whatever you need here */ };
FILE __stdout;
FILE __stdin;
int fputc(int ch, FILE *f) {
if(ch == '\n') uart_SendChar(UART,'\r');
uart_SendChar(UART,ch);
return (ch);
}
int fgetc(FILE *f) {
char buf;
buf = uart_ReceiveChar(UART);
uart_SendChar(UART,buf);
if(buf == '\r') buf = '\n';
return (buf);
}
int ferror(FILE *f) {
/* Your implementation of ferror */
return EOF;
}
void _ttywrch(int ch) {
uart_SendChar(UART,ch);
}
void _sys_exit(int return_code) {
while (1); /* endless loop */
}