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Diffstat (limited to 'lib/lufa/Projects/Magstripe/Lib/CircularBitBuffer.h')
m--------- | lib/lufa | 0 | ||||
-rw-r--r-- | lib/lufa/Projects/Magstripe/Lib/CircularBitBuffer.h | 97 |
2 files changed, 0 insertions, 97 deletions
diff --git a/lib/lufa b/lib/lufa new file mode 160000 +Subproject ce10f7642b0459e409839b23cc91498945119b4 diff --git a/lib/lufa/Projects/Magstripe/Lib/CircularBitBuffer.h b/lib/lufa/Projects/Magstripe/Lib/CircularBitBuffer.h deleted file mode 100644 index 0adbe0c89e..0000000000 --- a/lib/lufa/Projects/Magstripe/Lib/CircularBitBuffer.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com) - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaims all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * - * Header file for CircularBitBuffer.c. - */ - -#ifndef _CIRCULARBITBUFFER_H_ -#define _CIRCULARBITBUFFER_H_ - - /* Includes: */ - #include <avr/io.h> - #include <stdbool.h> - - #include <LUFA/Common/Common.h> - - /* Macros: */ - #if (defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) || \ - defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__)) || defined(__DOXYGEN__) - /** Maximum number of bits which can be stored into a bit buffer. The memory usage is one eighth of this value per buffer. */ - #define MAX_BITS 8192 - #else - #define MAX_BITS 1024 - #endif - - /* Type Defines: */ - /** Type define for a pointer to a bit in a bit buffer. */ - typedef struct - { - uint8_t* CurrentByte; /**< Pointer to the current byte in the buffer */ - uint8_t ByteMask; /**< Mask of the current bit in the buffer */ - } BitBufferPointer_t; - - /** Type define for a circular packet bit buffer. */ - typedef struct - { - uint8_t Data[MAX_BITS / 8]; /**< Buffer to hold the stored bits in packed form */ - uint16_t Elements; /**< Number of stored bits in the bit buffer */ - - BitBufferPointer_t In; /**< Bit pointer to the next storage location in the buffer */ - BitBufferPointer_t Out; /**< Bit pointer to the next retrieval location in the buffer */ - } BitBuffer_t; - - /* Function Prototypes: */ - /** Initializes or resets a given bit buffer, ready to store new bits. - * - * \param[in,out] Buffer Bit buffer to initialize - */ - void BitBuffer_Init(BitBuffer_t* const Buffer) ATTR_NON_NULL_PTR_ARG(1); - - /** Stores a bit into the next location inside a given bit buffer. - * - * \param[in,out] Buffer Bit buffer to store a bit into - * \param[in] Bit Bit to store into the buffer - */ - void BitBuffer_StoreNextBit(BitBuffer_t* const Buffer, - const bool Bit) ATTR_NON_NULL_PTR_ARG(1); - - /** Retrieves a bit from the next location inside a given bit buffer. - * - * \param[in,out] Buffer Bit buffer to retrieve a bit from - * - * \return Next bit from the buffer - */ - bool BitBuffer_GetNextBit(BitBuffer_t* const Buffer) ATTR_NON_NULL_PTR_ARG(1); - -#endif - |