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//=============================================================================

//

//      io_utils.c - Cyclone Diagnostics

//

//=============================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

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//

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// WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// You should have received a copy of the GNU General Public License along

// with eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

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//####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   Scott Coulter, Jeff Frazier, Eric Breeden

// Contributors: Mark Salter

// Date:        2001-01-25

// Purpose:     

// Description: 

//

//####DESCRIPTIONEND####

//

//===========================================================================*/

/*

 * i/o routines for tests.  Greg Ames, 9/17/90.

 *

 * Version: @(#)test_io.c       1.2 8/26/93

 */

#include <redboot.h>

/* Returns true if theChar is a valid hex digit, false if not */

int

diag_ishex(char theChar)

{

    switch(theChar) {

      case '0':

      case '1':

      case '2':

      case '3':

      case '4':

      case '5':

      case '6':

      case '7':

      case '8':

      case '9':

      case 'A':

      case 'a':

      case 'B':

      case 'b':

      case 'C':

      case 'c':

      case 'D':

      case 'd':

      case 'E':

      case 'e':

      case 'F':

      case 'f':

        return 1;

      default:

        return 0;

    }

}

/* Convert ascii code of hex digit to number (0-15) */

int

diag_hex2dec(char hex)

{

    if ((hex >= '0') && (hex <= '9'))

        return hex - '0';

    else if ((hex >= 'a') && (hex <= 'f'))

        return hex - 'a' + 10;

    else

        return hex - 'A' + 10;

}

/* Input a number as (at most 8) hex digits - returns value entered */

CYG_ADDRWORD

hexIn(void)

{

    char input[40], *p;

    CYG_ADDRWORD num;

    while (_rb_gets(input, sizeof(input), 0) != _GETS_OK)

        ;

    for (num = 0, p = input; diag_ishex(*p); p++)

        num = num*16 + diag_hex2dec(*p);

    return num;

}

/* Input a number as decimal digits - returns value entered */

CYG_ADDRWORD

decIn(void)

{

    char input[40], *p;

    CYG_ADDRWORD num;

    while (_rb_gets(input, sizeof(input), 0) != _GETS_OK)

        ;

    for (num = 0, p = input; '0' <= *p && *p <= '9'; p++)

        num = num*10 + (*p - '0');

    return num;

}