Neil Johnson / microbit-ARMBand

Official Sheffield ARMBand micro:bit program

microbit/microbit-dal/nRF51822/source/common/binary.h@0:b9164b348919, 2016-10-17 (annotated)

Committer:
MrBedfordVan
Date:
Mon Oct 17 12:41:20 2016 +0000
Revision:
0:b9164b348919
Official Sheffield ARMBand Micro:bit program

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MrBedfordVan 0:b9164b348919 1 /**************************************************************************/
MrBedfordVan 0:b9164b348919 2 /*!
MrBedfordVan 0:b9164b348919 3 @file binary.h
MrBedfordVan 0:b9164b348919 4 @author hathach (tinyusb.org)
MrBedfordVan 0:b9164b348919 5
MrBedfordVan 0:b9164b348919 6 @section LICENSE
MrBedfordVan 0:b9164b348919 7
MrBedfordVan 0:b9164b348919 8 Software License Agreement (BSD License)
MrBedfordVan 0:b9164b348919 9
MrBedfordVan 0:b9164b348919 10 Copyright (c) 2013, K. Townsend (microBuilder.eu)
MrBedfordVan 0:b9164b348919 11 All rights reserved.
MrBedfordVan 0:b9164b348919 12
MrBedfordVan 0:b9164b348919 13 Redistribution and use in source and binary forms, with or without
MrBedfordVan 0:b9164b348919 14 modification, are permitted provided that the following conditions are met:
MrBedfordVan 0:b9164b348919 15 1. Redistributions of source code must retain the above copyright
MrBedfordVan 0:b9164b348919 16 notice, this list of conditions and the following disclaimer.
MrBedfordVan 0:b9164b348919 17 2. Redistributions in binary form must reproduce the above copyright
MrBedfordVan 0:b9164b348919 18 notice, this list of conditions and the following disclaimer in the
MrBedfordVan 0:b9164b348919 19 documentation and/or other materials provided with the distribution.
MrBedfordVan 0:b9164b348919 20 3. Neither the name of the copyright holders nor the
MrBedfordVan 0:b9164b348919 21 names of its contributors may be used to endorse or promote products
MrBedfordVan 0:b9164b348919 22 derived from this software without specific prior written permission.
MrBedfordVan 0:b9164b348919 23
MrBedfordVan 0:b9164b348919 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
MrBedfordVan 0:b9164b348919 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
MrBedfordVan 0:b9164b348919 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
MrBedfordVan 0:b9164b348919 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
MrBedfordVan 0:b9164b348919 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
MrBedfordVan 0:b9164b348919 29 INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
MrBedfordVan 0:b9164b348919 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
MrBedfordVan 0:b9164b348919 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
MrBedfordVan 0:b9164b348919 32 INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
MrBedfordVan 0:b9164b348919 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
MrBedfordVan 0:b9164b348919 34 */
MrBedfordVan 0:b9164b348919 35 /**************************************************************************/
MrBedfordVan 0:b9164b348919 36
MrBedfordVan 0:b9164b348919 37 /** \ingroup TBD
MrBedfordVan 0:b9164b348919 38 * \defgroup TBD
MrBedfordVan 0:b9164b348919 39 * \brief TBD
MrBedfordVan 0:b9164b348919 40 *
MrBedfordVan 0:b9164b348919 41 * @{
MrBedfordVan 0:b9164b348919 42 */
MrBedfordVan 0:b9164b348919 43
MrBedfordVan 0:b9164b348919 44 #ifndef _BINARY_H_
MrBedfordVan 0:b9164b348919 45 #define _BINARY_H_
MrBedfordVan 0:b9164b348919 46
MrBedfordVan 0:b9164b348919 47 #ifdef __cplusplus
MrBedfordVan 0:b9164b348919 48 extern "C" {
MrBedfordVan 0:b9164b348919 49 #endif
MrBedfordVan 0:b9164b348919 50
MrBedfordVan 0:b9164b348919 51 /// n-th Bit
MrBedfordVan 0:b9164b348919 52 #define BIT(n) (1 << (n))
MrBedfordVan 0:b9164b348919 53
MrBedfordVan 0:b9164b348919 54 /// set n-th bit of x to 1
MrBedfordVan 0:b9164b348919 55 #define BIT_SET(x, n) ( (x) | BIT(n) )
MrBedfordVan 0:b9164b348919 56
MrBedfordVan 0:b9164b348919 57 /// clear n-th bit of x
MrBedfordVan 0:b9164b348919 58 #define BIT_CLR(x, n) ( (x) & (~BIT(n)) )
MrBedfordVan 0:b9164b348919 59
MrBedfordVan 0:b9164b348919 60 /// test n-th bit of x
MrBedfordVan 0:b9164b348919 61 #define BIT_TEST(x, n) ( (x) & BIT(n) )
MrBedfordVan 0:b9164b348919 62
MrBedfordVan 0:b9164b348919 63 #if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format
MrBedfordVan 0:b9164b348919 64
MrBedfordVan 0:b9164b348919 65 #define BIN8(x) ((uint8_t) (0b##x))
MrBedfordVan 0:b9164b348919 66 #define BIN16(b1, b2) ((uint16_t) (0b##b1##b2))
MrBedfordVan 0:b9164b348919 67 #define BIN32(b1, b2, b3, b4) ((uint32_t) (0b##b1##b2##b3##b4))
MrBedfordVan 0:b9164b348919 68
MrBedfordVan 0:b9164b348919 69 #else
MrBedfordVan 0:b9164b348919 70
MrBedfordVan 0:b9164b348919 71 // internal macro of B8, B16, B32
MrBedfordVan 0:b9164b348919 72 #define _B8__(x) (((x&0x0000000FUL)?1:0) \
MrBedfordVan 0:b9164b348919 73 +((x&0x000000F0UL)?2:0) \
MrBedfordVan 0:b9164b348919 74 +((x&0x00000F00UL)?4:0) \
MrBedfordVan 0:b9164b348919 75 +((x&0x0000F000UL)?8:0) \
MrBedfordVan 0:b9164b348919 76 +((x&0x000F0000UL)?16:0) \
MrBedfordVan 0:b9164b348919 77 +((x&0x00F00000UL)?32:0) \
MrBedfordVan 0:b9164b348919 78 +((x&0x0F000000UL)?64:0) \
MrBedfordVan 0:b9164b348919 79 +((x&0xF0000000UL)?128:0))
MrBedfordVan 0:b9164b348919 80
MrBedfordVan 0:b9164b348919 81 #define BIN8(d) ((uint8_t) _B8__(0x##d##UL))
MrBedfordVan 0:b9164b348919 82 #define BIN16(dmsb,dlsb) (((uint16_t)BIN8(dmsb)<<8) + BIN8(dlsb))
MrBedfordVan 0:b9164b348919 83 #define BIN32(dmsb,db2,db3,dlsb) \
MrBedfordVan 0:b9164b348919 84 (((uint32_t)BIN8(dmsb)<<24) \
MrBedfordVan 0:b9164b348919 85 + ((uint32_t)BIN8(db2)<<16) \
MrBedfordVan 0:b9164b348919 86 + ((uint32_t)BIN8(db3)<<8) \
MrBedfordVan 0:b9164b348919 87 + BIN8(dlsb))
MrBedfordVan 0:b9164b348919 88 #endif
MrBedfordVan 0:b9164b348919 89
MrBedfordVan 0:b9164b348919 90 #ifdef __cplusplus
MrBedfordVan 0:b9164b348919 91 }
MrBedfordVan 0:b9164b348919 92 #endif
MrBedfordVan 0:b9164b348919 93
MrBedfordVan 0:b9164b348919 94 #endif /* _BINARY_H_ */
MrBedfordVan 0:b9164b348919 95
MrBedfordVan 0:b9164b348919 96 /** @} */