/*----------------------------------------------------------------------------
 * 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 "stm32f10x.h" 
//#include <rt_misc.h>
//#include "Serial.h"

//#pragma import(__use_no_semihosting_swi)



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


int fputc(int ch, FILE *f) {
    //return (SER_PutChar(c));
    /* Place your implementation of fputc here */
    /* e.g. write a character to the USART */ 
    /* Loop until the end of transmission */
    char i = (uint8_t)ch;
    while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
    {
    }
    USART_SendData(USART1, (uint8_t) ch); 
    return ch;
}

 
#include "modbus.h"
int fgetc(FILE *f) {
  //return (SER_GetChar());
    int ch;
    int i = 2000;
    __NOP();
    
    b485Rec = 1;    //  Rx  
    while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
    {
    }
    ch = USART_ReceiveData(USART1);     
    b485Rec = 0;    //  Tx       
    while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
    {
    }
    USART_SendData(USART1, (uint8_t) ch);  
    while(i-->0)
    {
    __NOP();
    __NOP();
    __NOP();
    __NOP();
    }
    b485Rec = 1;    //  Rx  
    return ch;
}


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


void _ttywrch(int c) {
  //SER_PutChar(c);
}


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