rt-thread/bsp/CME_M7/StdPeriph_Driver/inc/cmem7_retarget.h

/**
	*****************************************************************************
	* @file     cmem7_retarget.h
	*
	* @brief    CMEM7 retarget header file
	*
	*
	* @version  V1.0
	* @date     3. September 2013
	*
	* @note               
	*           
	*****************************************************************************
	* @attention
	*
	* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
	* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
	* TIME. AS A RESULT, CAPITAL-MICRO SHALL NOT BE HELD LIABLE FOR ANY DIRECT, 
	* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
	* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
	* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
	*
	* <h2><center>&copy; COPYRIGHT 2013 Capital-micro </center></h2>
	*****************************************************************************
	*/

#ifndef __CMEM7_RETARGET_H
#define __CMEM7_RETARGET_H

#include <stdio.h>
#include "cmem7.h"
#include "cmem7_conf.h"

#ifdef __cplusplus
 extern "C" {
#endif


#pragma import(__use_no_semihosting_swi)

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


int fputc(int c, FILE *f) {
  uint8_t ch = c;
	if (c == '\n')  {
		ch = '\r';
    while (0 == UART_Write(PRINT_UART, 1, &ch));
		ch = '\n';
  }
	
	while (0 == UART_Write(PRINT_UART, 1, &ch)) ;
  return ch;
}


int fgetc(FILE *f) {
	uint8_t ch;
	
	while (0 == UART_Read(PRINT_UART, 1, &ch)) ;
  return ch;
}

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


void _ttywrch(int c) {
  while (0 == UART_Write(PRINT_UART, 1, (uint8_t *)&c));
}


void _sys_exit(int return_code) {
label:  goto label;  /* endless loop */
}


#ifdef __cplusplus
}
#endif

#endif /* __CMEM7_RETARGET_H */