/
11111
1
Fork of nRF51822 by
common/binary.h
- Committer:
- ssenwkdw
- Date:
- 2015-09-03
- Revision:
- 429:9c91c46c004c
- Parent:
- 0:eff01767de02
File content as of revision 429:9c91c46c004c:
/**************************************************************************/ /*! @file binary.h @author hathach (tinyusb.org) @section LICENSE Software License Agreement (BSD License) Copyright (c) 2013, K. Townsend (microBuilder.eu) 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 holders 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 ''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 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. */ /**************************************************************************/ /** \ingroup TBD * \defgroup TBD * \brief TBD * * @{ */ #ifndef _BINARY_H_ #define _BINARY_H_ #ifdef __cplusplus extern "C" { #endif /// n-th Bit #define BIT(n) (1 << (n)) /// set n-th bit of x to 1 #define BIT_SET(x, n) ( (x) | BIT(n) ) /// clear n-th bit of x #define BIT_CLR(x, n) ( (x) & (~BIT(n)) ) /// test n-th bit of x #define BIT_TEST(x, n) ( (x) & BIT(n) ) #if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format #define BIN8(x) ((uint8_t) (0b##x)) #define BIN16(b1, b2) ((uint16_t) (0b##b1##b2)) #define BIN32(b1, b2, b3, b4) ((uint32_t) (0b##b1##b2##b3##b4)) #else // internal macro of B8, B16, B32 #define _B8__(x) (((x&0x0000000FUL)?1:0) \ +((x&0x000000F0UL)?2:0) \ +((x&0x00000F00UL)?4:0) \ +((x&0x0000F000UL)?8:0) \ +((x&0x000F0000UL)?16:0) \ +((x&0x00F00000UL)?32:0) \ +((x&0x0F000000UL)?64:0) \ +((x&0xF0000000UL)?128:0)) #define BIN8(d) ((uint8_t) _B8__(0x##d##UL)) #define BIN16(dmsb,dlsb) (((uint16_t)BIN8(dmsb)<<8) + BIN8(dlsb)) #define BIN32(dmsb,db2,db3,dlsb) \ (((uint32_t)BIN8(dmsb)<<24) \ + ((uint32_t)BIN8(db2)<<16) \ + ((uint32_t)BIN8(db3)<<8) \ + BIN8(dlsb)) #endif #ifdef __cplusplus } #endif #endif /* _BINARY_H_ */ /** @} */