mirror of
https://github.com/hathach/tinyusb.git
synced 2025-03-29 01:20:19 +00:00
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
|
|
* 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_ */
|
|
|
|
/** @} */
|