diff options
Diffstat (limited to 'tinyusb/common/binary.h')
| -rw-r--r-- | tinyusb/common/binary.h | 268 |
1 files changed, 134 insertions, 134 deletions
diff --git a/tinyusb/common/binary.h b/tinyusb/common/binary.h index d704f93b8..1c284890f 100644 --- a/tinyusb/common/binary.h +++ b/tinyusb/common/binary.h @@ -1,134 +1,134 @@ -/**************************************************************************/ -/*! - @file binary.h - @author hathach (tinyusb.org) - - @section LICENSE - - Software License Agreement (BSD License) - - Copyright (c) 2013, hathach (tinyusb.org) - 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. - - This file is part of the tinyusb stack. -*/ -/**************************************************************************/ - -/** \ingroup TBD - * \defgroup TBD - * \brief TBD - * - * @{ - */ - -#ifndef _TUSB_BINARY_H_ -#define _TUSB_BINARY_H_ - -#ifdef __cplusplus - extern "C" { -#endif - -#include "primitive_types.h" -#include "compiler/compiler.h" - -//------------- Bit manipulation -------------// -#define BIT_(n) (1U << (n)) ///< n-th Bit -#define BIT_SET_(x, n) ( (x) | BIT_(n) ) ///< set n-th bit of x to 1 -#define BIT_CLR_(x, n) ( (x) & (~BIT_(n)) ) ///< clear n-th bit of x -#define BIT_TEST_(x, n) ( ((x) & BIT_(n)) ? true : false ) ///< check if n-th bit of x is 1 - -static inline uint32_t bit_set(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline uint32_t bit_set(uint32_t value, uint8_t n) -{ - return value | BIT_(n); -} - -static inline uint32_t bit_clear(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline uint32_t bit_clear(uint32_t value, uint8_t n) -{ - return value & (~BIT_(n)); -} - -static inline bool bit_test(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline bool bit_test(uint32_t value, uint8_t n) -{ - return (value & BIT_(n)) ? true : false; -} - -///< create a mask with n-bit lsb set to 1 -static inline uint32_t bit_mask(uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline uint32_t bit_mask(uint8_t n) -{ - return (n < 32) ? ( BIT_(n) - 1 ) : UINT32_MAX; -} - -static inline uint32_t bit_mask_range(uint8_t start, uint32_t end) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline uint32_t bit_mask_range(uint8_t start, uint32_t end) -{ - return bit_mask(end+1) & ~ bit_mask(start); -} - -static inline uint32_t bit_set_range(uint32_t value, uint8_t start, uint8_t end, uint32_t pattern) ATTR_CONST ATTR_ALWAYS_INLINE; -static inline uint32_t bit_set_range(uint32_t value, uint8_t start, uint8_t end, uint32_t pattern) -{ - return ( value & ~bit_mask_range(start, end) ) | (pattern << start); -} - - -//------------- Binary Constant -------------// -#if defined(__GNUC__) && !defined(__CC_ARM) - -#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 /* _TUSB_BINARY_H_ */ - -/** @} */ +/**************************************************************************/
+/*!
+ @file binary.h
+ @author hathach (tinyusb.org)
+
+ @section LICENSE
+
+ Software License Agreement (BSD License)
+
+ Copyright (c) 2013, hathach (tinyusb.org)
+ 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.
+
+ This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+/** \ingroup TBD
+ * \defgroup TBD
+ * \brief TBD
+ *
+ * @{
+ */
+
+#ifndef _TUSB_BINARY_H_
+#define _TUSB_BINARY_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "primitive_types.h"
+#include "compiler/compiler.h"
+
+//------------- Bit manipulation -------------//
+#define BIT_(n) (1U << (n)) ///< n-th Bit
+#define BIT_SET_(x, n) ( (x) | BIT_(n) ) ///< set n-th bit of x to 1
+#define BIT_CLR_(x, n) ( (x) & (~BIT_(n)) ) ///< clear n-th bit of x
+#define BIT_TEST_(x, n) ( ((x) & BIT_(n)) ? true : false ) ///< check if n-th bit of x is 1
+
+static inline uint32_t bit_set(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint32_t bit_set(uint32_t value, uint8_t n)
+{
+ return value | BIT_(n);
+}
+
+static inline uint32_t bit_clear(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint32_t bit_clear(uint32_t value, uint8_t n)
+{
+ return value & (~BIT_(n));
+}
+
+static inline bool bit_test(uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline bool bit_test(uint32_t value, uint8_t n)
+{
+ return (value & BIT_(n)) ? true : false;
+}
+
+///< create a mask with n-bit lsb set to 1
+static inline uint32_t bit_mask(uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint32_t bit_mask(uint8_t n)
+{
+ return (n < 32) ? ( BIT_(n) - 1 ) : UINT32_MAX;
+}
+
+static inline uint32_t bit_mask_range(uint8_t start, uint32_t end) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint32_t bit_mask_range(uint8_t start, uint32_t end)
+{
+ return bit_mask(end+1) & ~ bit_mask(start);
+}
+
+static inline uint32_t bit_set_range(uint32_t value, uint8_t start, uint8_t end, uint32_t pattern) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint32_t bit_set_range(uint32_t value, uint8_t start, uint8_t end, uint32_t pattern)
+{
+ return ( value & ~bit_mask_range(start, end) ) | (pattern << start);
+}
+
+
+//------------- Binary Constant -------------//
+#if defined(__GNUC__) && !defined(__CC_ARM)
+
+#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 /* _TUSB_BINARY_H_ */
+
+/** @} */
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