shunpei kataoka / nRF51822

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Fork of nRF51822 by Shuta Nakamae

TARGET_NRF5/source/common/binary.h@640:819c58e5bd42, 2017-01-24 (annotated)

Committer:
kataokashunpei
Date:
Tue Jan 24 23:44:29 2017 +0000
Revision:
640:819c58e5bd42
Parent:
638:c90ae1400bf2 
update final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 638:c90ae1400bf2 1 /**************************************************************************/
Vincent Coubard 638:c90ae1400bf2 2 /*!
Vincent Coubard 638:c90ae1400bf2 3 @file binary.h
Vincent Coubard 638:c90ae1400bf2 4 @author hathach (tinyusb.org)
Vincent Coubard 638:c90ae1400bf2 5
Vincent Coubard 638:c90ae1400bf2 6 @section LICENSE
Vincent Coubard 638:c90ae1400bf2 7
Vincent Coubard 638:c90ae1400bf2 8 Software License Agreement (BSD License)
Vincent Coubard 638:c90ae1400bf2 9
Vincent Coubard 638:c90ae1400bf2 10 Copyright (c) 2013, K. Townsend (microBuilder.eu)
Vincent Coubard 638:c90ae1400bf2 11 All rights reserved.
Vincent Coubard 638:c90ae1400bf2 12
Vincent Coubard 638:c90ae1400bf2 13 Redistribution and use in source and binary forms, with or without
Vincent Coubard 638:c90ae1400bf2 14 modification, are permitted provided that the following conditions are met:
Vincent Coubard 638:c90ae1400bf2 15 1. Redistributions of source code must retain the above copyright
Vincent Coubard 638:c90ae1400bf2 16 notice, this list of conditions and the following disclaimer.
Vincent Coubard 638:c90ae1400bf2 17 2. Redistributions in binary form must reproduce the above copyright
Vincent Coubard 638:c90ae1400bf2 18 notice, this list of conditions and the following disclaimer in the
Vincent Coubard 638:c90ae1400bf2 19 documentation and/or other materials provided with the distribution.
Vincent Coubard 638:c90ae1400bf2 20 3. Neither the name of the copyright holders nor the
Vincent Coubard 638:c90ae1400bf2 21 names of its contributors may be used to endorse or promote products
Vincent Coubard 638:c90ae1400bf2 22 derived from this software without specific prior written permission.
Vincent Coubard 638:c90ae1400bf2 23
Vincent Coubard 638:c90ae1400bf2 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Vincent Coubard 638:c90ae1400bf2 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Vincent Coubard 638:c90ae1400bf2 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Vincent Coubard 638:c90ae1400bf2 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Vincent Coubard 638:c90ae1400bf2 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Vincent Coubard 638:c90ae1400bf2 29 INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Vincent Coubard 638:c90ae1400bf2 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
Vincent Coubard 638:c90ae1400bf2 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Vincent Coubard 638:c90ae1400bf2 32 INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
Vincent Coubard 638:c90ae1400bf2 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Vincent Coubard 638:c90ae1400bf2 34 */
Vincent Coubard 638:c90ae1400bf2 35 /**************************************************************************/
Vincent Coubard 638:c90ae1400bf2 36
Vincent Coubard 638:c90ae1400bf2 37 /** \ingroup TBD
Vincent Coubard 638:c90ae1400bf2 38 * \defgroup TBD
Vincent Coubard 638:c90ae1400bf2 39 * \brief TBD
Vincent Coubard 638:c90ae1400bf2 40 *
Vincent Coubard 638:c90ae1400bf2 41 * @{
Vincent Coubard 638:c90ae1400bf2 42 */
Vincent Coubard 638:c90ae1400bf2 43
Vincent Coubard 638:c90ae1400bf2 44 #ifndef _BINARY_H_
Vincent Coubard 638:c90ae1400bf2 45 #define _BINARY_H_
Vincent Coubard 638:c90ae1400bf2 46
Vincent Coubard 638:c90ae1400bf2 47 #ifdef __cplusplus
Vincent Coubard 638:c90ae1400bf2 48 extern "C" {
Vincent Coubard 638:c90ae1400bf2 49 #endif
Vincent Coubard 638:c90ae1400bf2 50
Vincent Coubard 638:c90ae1400bf2 51 /// n-th Bit
Vincent Coubard 638:c90ae1400bf2 52 #define BIT(n) (1 << (n))
Vincent Coubard 638:c90ae1400bf2 53
Vincent Coubard 638:c90ae1400bf2 54 /// set n-th bit of x to 1
Vincent Coubard 638:c90ae1400bf2 55 #define BIT_SET(x, n) ( (x) | BIT(n) )
Vincent Coubard 638:c90ae1400bf2 56
Vincent Coubard 638:c90ae1400bf2 57 /// clear n-th bit of x
Vincent Coubard 638:c90ae1400bf2 58 #define BIT_CLR(x, n) ( (x) & (~BIT(n)) )
Vincent Coubard 638:c90ae1400bf2 59
Vincent Coubard 638:c90ae1400bf2 60 /// test n-th bit of x
Vincent Coubard 638:c90ae1400bf2 61 #define BIT_TEST(x, n) ( (x) & BIT(n) )
Vincent Coubard 638:c90ae1400bf2 62
Vincent Coubard 638:c90ae1400bf2 63 #if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format
Vincent Coubard 638:c90ae1400bf2 64
Vincent Coubard 638:c90ae1400bf2 65 #define BIN8(x) ((uint8_t) (0b##x))
Vincent Coubard 638:c90ae1400bf2 66 #define BIN16(b1, b2) ((uint16_t) (0b##b1##b2))
Vincent Coubard 638:c90ae1400bf2 67 #define BIN32(b1, b2, b3, b4) ((uint32_t) (0b##b1##b2##b3##b4))
Vincent Coubard 638:c90ae1400bf2 68
Vincent Coubard 638:c90ae1400bf2 69 #else
Vincent Coubard 638:c90ae1400bf2 70
Vincent Coubard 638:c90ae1400bf2 71 // internal macro of B8, B16, B32
Vincent Coubard 638:c90ae1400bf2 72 #define _B8__(x) (((x&0x0000000FUL)?1:0) \
Vincent Coubard 638:c90ae1400bf2 73 +((x&0x000000F0UL)?2:0) \
Vincent Coubard 638:c90ae1400bf2 74 +((x&0x00000F00UL)?4:0) \
Vincent Coubard 638:c90ae1400bf2 75 +((x&0x0000F000UL)?8:0) \
Vincent Coubard 638:c90ae1400bf2 76 +((x&0x000F0000UL)?16:0) \
Vincent Coubard 638:c90ae1400bf2 77 +((x&0x00F00000UL)?32:0) \
Vincent Coubard 638:c90ae1400bf2 78 +((x&0x0F000000UL)?64:0) \
Vincent Coubard 638:c90ae1400bf2 79 +((x&0xF0000000UL)?128:0))
Vincent Coubard 638:c90ae1400bf2 80
Vincent Coubard 638:c90ae1400bf2 81 #define BIN8(d) ((uint8_t) _B8__(0x##d##UL))
Vincent Coubard 638:c90ae1400bf2 82 #define BIN16(dmsb,dlsb) (((uint16_t)BIN8(dmsb)<<8) + BIN8(dlsb))
Vincent Coubard 638:c90ae1400bf2 83 #define BIN32(dmsb,db2,db3,dlsb) \
Vincent Coubard 638:c90ae1400bf2 84 (((uint32_t)BIN8(dmsb)<<24) \
Vincent Coubard 638:c90ae1400bf2 85 + ((uint32_t)BIN8(db2)<<16) \
Vincent Coubard 638:c90ae1400bf2 86 + ((uint32_t)BIN8(db3)<<8) \
Vincent Coubard 638:c90ae1400bf2 87 + BIN8(dlsb))
Vincent Coubard 638:c90ae1400bf2 88 #endif
Vincent Coubard 638:c90ae1400bf2 89
Vincent Coubard 638:c90ae1400bf2 90 #ifdef __cplusplus
Vincent Coubard 638:c90ae1400bf2 91 }
Vincent Coubard 638:c90ae1400bf2 92 #endif
Vincent Coubard 638:c90ae1400bf2 93
Vincent Coubard 638:c90ae1400bf2 94 #endif /* _BINARY_H_ */
Vincent Coubard 638:c90ae1400bf2 95
Vincent Coubard 638:c90ae1400bf2 96 /** @} */