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/*
* binary.h
*
* Created on: Jan 11, 2013
* Author: hathach
*/
/*
* Software License Agreement (BSD License)
* Copyright (c) 2012, hathach (tinyusb.net)
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the tiny usb stack.
*/
/** \file
* \brief TBD
*
* \note TBD
*/
/** \ingroup TBD
* \defgroup TBD
* \brief TBD
*
* @{
*/
#ifndef _TUSB_BINARY_H_
#define _TUSB_BINARY_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/// 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)) )
#if defined(__GNUC__)
#define BIN8(x) (0b##x)
#define BIN16(b1, b2) (0b##b1##b2)
#define BIN32(b1, b2, b3, b4) (0b##b1##b2##b3##b4)
#else
// internal macro of B8, B16, B32
#define _B8__(x) ((x&0x0000000FLU)?1:0) \
+((x&0x000000F0LU)?2:0) \
+((x&0x00000F00LU)?4:0) \
+((x&0x0000F000LU)?8:0) \
+((x&0x000F0000LU)?16:0) \
+((x&0x00F00000LU)?32:0) \
+((x&0x0F000000LU)?64:0) \
+((x&0xF0000000LU)?128:0)
#define BIN8(d) ((uint8_t)_B8__(0x##d##LU))
#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 /* _TUSB_BINARY_H_ */
/** @} */
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