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/**
* \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
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* 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__
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