

/**
 * \file  hw_types.h
 *
 * \brief Common type definitions and macros
 */

/*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
*/
/*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions
*  are met:
*
*    Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
*    Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the
*    distribution.
*
*    Neither the name of Texas Instruments Incorporated nor the names of
*    its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/


#ifndef _HW_TYPES_H_
#define _HW_TYPES_H_

//*****************************************************************************
//
// Define a boolean type, and values for true and false.
//
//*****************************************************************************
typedef unsigned char tBoolean;

#ifndef true
#define true 1
#endif

#ifndef false
#define false 0
#endif

#ifndef NULL
#define NULL ((void*) 0)
#endif
//*****************************************************************************
//
// Macros for hardware access, both direct and via the bit-band region.
//
//*****************************************************************************
#define HWREG(x)                                                              \
        (*((volatile unsigned int *)(x)))
#define HWREGH(x)                                                             \
        (*((volatile unsigned short *)(x)))
#define HWREGB(x)                                                             \
        (*((volatile unsigned char *)(x)))
#define HWREGBITW(x, b)                                                       \
        HWREG(((unsigned int)(x) & 0xF0000000) | 0x02000000 |                \
              (((unsigned int)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITH(x, b)                                                       \
        HWREGH(((unsigned int)(x) & 0xF0000000) | 0x02000000 |               \
               (((unsigned int)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITB(x, b)                                                       \
        HWREGB(((unsigned int)(x) & 0xF0000000) | 0x02000000 |               \
               (((unsigned int)(x) & 0x000FFFFF) << 5) | ((b) << 2))

#define TRUE    1
#define FALSE   0

#endif // __HW_TYPES_H__
