/* * Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/ * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * 3. Neither the name of the copyright holder 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 HOLDER 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. */ /** * \addtogroup cc2538 * @{ * * \defgroup cc2538-reg cc2538 Register Manipulation * * Macros for hardware access, both direct and via the bit-band region. * @{ * * \file * Header file with register manipulation macro definitions */ #ifndef REG_H_ #define REG_H_ #define REG(x) (*((volatile unsigned long *)(x))) #define REG_H(x) (*((volatile unsigned short *)(x))) #define REG_B(x) (*((volatile unsigned char *)(x))) #define REG_BIT_W(x, b) \ REG(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \ (((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2)) #define REG_BIT_H(x, b) \ REG_H(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \ (((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2)) #define REG_BIT_B(x, b) \ REG_B(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \ (((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2)) #endif /* REG_H_ */ /** * @} * @} */