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65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
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/*
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* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup cc2538
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* @{
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*
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* \defgroup cc2538-reg cc2538 Register Manipulation
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*
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* Macros for hardware access, both direct and via the bit-band region.
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* @{
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*
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* \file
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* Header file with register manipulation macro definitions
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*/
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#ifndef REG_H_
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#define REG_H_
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#define REG(x) (*((volatile unsigned long *)(x)))
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#define REG_H(x) (*((volatile unsigned short *)(x)))
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#define REG_B(x) (*((volatile unsigned char *)(x)))
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#define REG_BIT_W(x, b) \
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REG(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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#define REG_BIT_H(x, b) \
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REG_H(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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#define REG_BIT_B(x, b) \
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REG_B(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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#endif /* REG_H_ */
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/**
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* @}
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* @}
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*/
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