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authorDean Camera <dean@fourwalledcubicle.com>2011-07-15 08:46:08 +0000
committerDean Camera <dean@fourwalledcubicle.com>2011-07-15 08:46:08 +0000
commit0c2ad9eb349e1a5676468af3b407329dde4a53b4 (patch)
treeb3e3ee89775704f827926613b9924d927e06acd5 /LUFA/Drivers/Misc
parenta36012fc4b057dc1fe96f75a005cd8ba017a6a71 (diff)
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Add missing SVN eol-style property to files where it was missing.
Diffstat (limited to 'LUFA/Drivers/Misc')
-rw-r--r--LUFA/Drivers/Misc/AT45DB321C.h198
-rw-r--r--LUFA/Drivers/Misc/AT45DB642D.h218
-rw-r--r--LUFA/Drivers/Misc/RingBuffer.h606
3 files changed, 511 insertions, 511 deletions
diff --git a/LUFA/Drivers/Misc/AT45DB321C.h b/LUFA/Drivers/Misc/AT45DB321C.h
index 725738bcf..e06cdc4b7 100644
--- a/LUFA/Drivers/Misc/AT45DB321C.h
+++ b/LUFA/Drivers/Misc/AT45DB321C.h
@@ -1,99 +1,99 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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
- * \brief Command constants for the Atmel AT45DB321C Dataflash.
- * \copydetails Group_AT45DB321C
- */
-
-/** \ingroup Group_MiscDrivers
- * \defgroup Group_AT45DB321C Atmel AT45DB321C Dataflash Commands
- * \brief Command constants for the Atmel AT45DB321C Dataflash.
- *
- * Dataflash command constants for the Atmel AT45DB321C Dataflash IC.
- *
- * @{
- */
-
-#ifndef __AT45DB321C_CMDS_H__
-#define __AT45DB321C_CMDS_H__
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** \name Dataflash Status Values */
- //@{
- #define DF_STATUS_READY (1 << 7)
- #define DF_STATUS_COMPMISMATCH (1 << 6)
- #define DF_STATUS_SECTORPROTECTION_ON (1 << 1)
- //@}
-
- #define DF_MANUFACTURER_ATMEL 0x1F
-
- /** \name Dataflash Commands */
- //@{
- #define DF_CMD_GETSTATUS 0xD7
-
- #define DF_CMD_MAINMEMTOBUFF1 0x53
- #define DF_CMD_MAINMEMTOBUFF2 0x55
- #define DF_CMD_MAINMEMTOBUFF1COMP 0x60
- #define DF_CMD_MAINMEMTOBUFF2COMP 0x61
- #define DF_CMD_AUTOREWRITEBUFF1 0x58
- #define DF_CMD_AUTOREWRITEBUFF2 0x59
-
- #define DF_CMD_MAINMEMPAGEREAD 0xD2
- #define DF_CMD_CONTARRAYREAD_LF 0xE8
- #define DF_CMD_BUFF1READ_LF 0xD4
- #define DF_CMD_BUFF2READ_LF 0xD6
-
- #define DF_CMD_BUFF1WRITE 0x84
- #define DF_CMD_BUFF2WRITE 0x87
- #define DF_CMD_BUFF1TOMAINMEMWITHERASE 0x83
- #define DF_CMD_BUFF2TOMAINMEMWITHERASE 0x86
- #define DF_CMD_BUFF1TOMAINMEM 0x88
- #define DF_CMD_BUFF2TOMAINMEM 0x89
- #define DF_CMD_MAINMEMPAGETHROUGHBUFF1 0x82
- #define DF_CMD_MAINMEMPAGETHROUGHBUFF2 0x85
-
- #define DF_CMD_PAGEERASE 0x81
- #define DF_CMD_BLOCKERASE 0x50
-
- #define DF_CMD_SECTORPROTECTIONOFF ((char[]){0x3D, 0x2A, 0x7F, 0xCF})
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE1 0x3D
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE2 0x2A
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE3 0x7F
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE4 0xCF
-
- #define DF_CMD_READMANUFACTURERDEVICEINFO 0x9F
- //@}
-
-#endif
-
-/** @} */
-
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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 disclaim 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
+ * \brief Command constants for the Atmel AT45DB321C Dataflash.
+ * \copydetails Group_AT45DB321C
+ */
+
+/** \ingroup Group_MiscDrivers
+ * \defgroup Group_AT45DB321C Atmel AT45DB321C Dataflash Commands
+ * \brief Command constants for the Atmel AT45DB321C Dataflash.
+ *
+ * Dataflash command constants for the Atmel AT45DB321C Dataflash IC.
+ *
+ * @{
+ */
+
+#ifndef __AT45DB321C_CMDS_H__
+#define __AT45DB321C_CMDS_H__
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** \name Dataflash Status Values */
+ //@{
+ #define DF_STATUS_READY (1 << 7)
+ #define DF_STATUS_COMPMISMATCH (1 << 6)
+ #define DF_STATUS_SECTORPROTECTION_ON (1 << 1)
+ //@}
+
+ #define DF_MANUFACTURER_ATMEL 0x1F
+
+ /** \name Dataflash Commands */
+ //@{
+ #define DF_CMD_GETSTATUS 0xD7
+
+ #define DF_CMD_MAINMEMTOBUFF1 0x53
+ #define DF_CMD_MAINMEMTOBUFF2 0x55
+ #define DF_CMD_MAINMEMTOBUFF1COMP 0x60
+ #define DF_CMD_MAINMEMTOBUFF2COMP 0x61
+ #define DF_CMD_AUTOREWRITEBUFF1 0x58
+ #define DF_CMD_AUTOREWRITEBUFF2 0x59
+
+ #define DF_CMD_MAINMEMPAGEREAD 0xD2
+ #define DF_CMD_CONTARRAYREAD_LF 0xE8
+ #define DF_CMD_BUFF1READ_LF 0xD4
+ #define DF_CMD_BUFF2READ_LF 0xD6
+
+ #define DF_CMD_BUFF1WRITE 0x84
+ #define DF_CMD_BUFF2WRITE 0x87
+ #define DF_CMD_BUFF1TOMAINMEMWITHERASE 0x83
+ #define DF_CMD_BUFF2TOMAINMEMWITHERASE 0x86
+ #define DF_CMD_BUFF1TOMAINMEM 0x88
+ #define DF_CMD_BUFF2TOMAINMEM 0x89
+ #define DF_CMD_MAINMEMPAGETHROUGHBUFF1 0x82
+ #define DF_CMD_MAINMEMPAGETHROUGHBUFF2 0x85
+
+ #define DF_CMD_PAGEERASE 0x81
+ #define DF_CMD_BLOCKERASE 0x50
+
+ #define DF_CMD_SECTORPROTECTIONOFF ((char[]){0x3D, 0x2A, 0x7F, 0xCF})
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE1 0x3D
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE2 0x2A
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE3 0x7F
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE4 0xCF
+
+ #define DF_CMD_READMANUFACTURERDEVICEINFO 0x9F
+ //@}
+
+#endif
+
+/** @} */
+
diff --git a/LUFA/Drivers/Misc/AT45DB642D.h b/LUFA/Drivers/Misc/AT45DB642D.h
index 98041167e..0cbf3da8f 100644
--- a/LUFA/Drivers/Misc/AT45DB642D.h
+++ b/LUFA/Drivers/Misc/AT45DB642D.h
@@ -1,109 +1,109 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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
- * \brief Command constants for the Atmel AT45DB642D Dataflash.
- * \copydetails Group_AT45DB642D
- */
-
-/** \ingroup Group_MiscDrivers
- * \defgroup Group_AT45DB642D Atmel AT45DB642D Dataflash Commands
- * \brief Command constants for the Atmel AT45DB642D Dataflash.
- *
- * Dataflash command constants for the Atmel AT45DB642D Dataflash IC.
- *
- * @{
- */
-
-#ifndef __AT45DB642D_CMDS_H__
-#define __AT45DB642D_CMDS_H__
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** \name Dataflash Status Values */
- //@{
- #define DF_STATUS_READY (1 << 7)
- #define DF_STATUS_COMPMISMATCH (1 << 6)
- #define DF_STATUS_SECTORPROTECTION_ON (1 << 1)
- #define DF_STATUS_BINARYPAGESIZE_ON (1 << 0)
- //@}
-
- #define DF_MANUFACTURER_ATMEL 0x1F
-
- /** \name Dataflash Commands */
- //@{
- #define DF_CMD_GETSTATUS 0xD7
- #define DF_CMD_POWERDOWN 0xB9
- #define DF_CMD_WAKEUP 0xAB
-
- #define DF_CMD_MAINMEMTOBUFF1 0x53
- #define DF_CMD_MAINMEMTOBUFF2 0x55
- #define DF_CMD_MAINMEMTOBUFF1COMP 0x60
- #define DF_CMD_MAINMEMTOBUFF2COMP 0x61
- #define DF_CMD_AUTOREWRITEBUFF1 0x58
- #define DF_CMD_AUTOREWRITEBUFF2 0x59
-
- #define DF_CMD_MAINMEMPAGEREAD 0xD2
- #define DF_CMD_CONTARRAYREAD_LF 0x03
- #define DF_CMD_BUFF1READ_LF 0xD1
- #define DF_CMD_BUFF2READ_LF 0xD3
-
- #define DF_CMD_BUFF1WRITE 0x84
- #define DF_CMD_BUFF2WRITE 0x87
- #define DF_CMD_BUFF1TOMAINMEMWITHERASE 0x83
- #define DF_CMD_BUFF2TOMAINMEMWITHERASE 0x86
- #define DF_CMD_BUFF1TOMAINMEM 0x88
- #define DF_CMD_BUFF2TOMAINMEM 0x89
- #define DF_CMD_MAINMEMPAGETHROUGHBUFF1 0x82
- #define DF_CMD_MAINMEMPAGETHROUGHBUFF2 0x85
-
- #define DF_CMD_PAGEERASE 0x81
- #define DF_CMD_BLOCKERASE 0x50
- #define DF_CMD_SECTORERASE 0x7C
-
- #define DF_CMD_CHIPERASE ((char[]){0xC7, 0x94, 0x80, 0x9A})
- #define DF_CMD_CHIPERASE_BYTE1 0xC7
- #define DF_CMD_CHIPERASE_BYTE2 0x94
- #define DF_CMD_CHIPERASE_BYTE3 0x80
- #define DF_CMD_CHIPERASE_BYTE4 0x9A
-
- #define DF_CMD_SECTORPROTECTIONOFF ((char[]){0x3D, 0x2A, 0x7F, 0x9A})
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE1 0x3D
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE2 0x2A
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE3 0x7F
- #define DF_CMD_SECTORPROTECTIONOFF_BYTE4 0x9A
-
- #define DF_CMD_READMANUFACTURERDEVICEINFO 0x9F
- //@}
-
-#endif
-
-/** @} */
-
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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 disclaim 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
+ * \brief Command constants for the Atmel AT45DB642D Dataflash.
+ * \copydetails Group_AT45DB642D
+ */
+
+/** \ingroup Group_MiscDrivers
+ * \defgroup Group_AT45DB642D Atmel AT45DB642D Dataflash Commands
+ * \brief Command constants for the Atmel AT45DB642D Dataflash.
+ *
+ * Dataflash command constants for the Atmel AT45DB642D Dataflash IC.
+ *
+ * @{
+ */
+
+#ifndef __AT45DB642D_CMDS_H__
+#define __AT45DB642D_CMDS_H__
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** \name Dataflash Status Values */
+ //@{
+ #define DF_STATUS_READY (1 << 7)
+ #define DF_STATUS_COMPMISMATCH (1 << 6)
+ #define DF_STATUS_SECTORPROTECTION_ON (1 << 1)
+ #define DF_STATUS_BINARYPAGESIZE_ON (1 << 0)
+ //@}
+
+ #define DF_MANUFACTURER_ATMEL 0x1F
+
+ /** \name Dataflash Commands */
+ //@{
+ #define DF_CMD_GETSTATUS 0xD7
+ #define DF_CMD_POWERDOWN 0xB9
+ #define DF_CMD_WAKEUP 0xAB
+
+ #define DF_CMD_MAINMEMTOBUFF1 0x53
+ #define DF_CMD_MAINMEMTOBUFF2 0x55
+ #define DF_CMD_MAINMEMTOBUFF1COMP 0x60
+ #define DF_CMD_MAINMEMTOBUFF2COMP 0x61
+ #define DF_CMD_AUTOREWRITEBUFF1 0x58
+ #define DF_CMD_AUTOREWRITEBUFF2 0x59
+
+ #define DF_CMD_MAINMEMPAGEREAD 0xD2
+ #define DF_CMD_CONTARRAYREAD_LF 0x03
+ #define DF_CMD_BUFF1READ_LF 0xD1
+ #define DF_CMD_BUFF2READ_LF 0xD3
+
+ #define DF_CMD_BUFF1WRITE 0x84
+ #define DF_CMD_BUFF2WRITE 0x87
+ #define DF_CMD_BUFF1TOMAINMEMWITHERASE 0x83
+ #define DF_CMD_BUFF2TOMAINMEMWITHERASE 0x86
+ #define DF_CMD_BUFF1TOMAINMEM 0x88
+ #define DF_CMD_BUFF2TOMAINMEM 0x89
+ #define DF_CMD_MAINMEMPAGETHROUGHBUFF1 0x82
+ #define DF_CMD_MAINMEMPAGETHROUGHBUFF2 0x85
+
+ #define DF_CMD_PAGEERASE 0x81
+ #define DF_CMD_BLOCKERASE 0x50
+ #define DF_CMD_SECTORERASE 0x7C
+
+ #define DF_CMD_CHIPERASE ((char[]){0xC7, 0x94, 0x80, 0x9A})
+ #define DF_CMD_CHIPERASE_BYTE1 0xC7
+ #define DF_CMD_CHIPERASE_BYTE2 0x94
+ #define DF_CMD_CHIPERASE_BYTE3 0x80
+ #define DF_CMD_CHIPERASE_BYTE4 0x9A
+
+ #define DF_CMD_SECTORPROTECTIONOFF ((char[]){0x3D, 0x2A, 0x7F, 0x9A})
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE1 0x3D
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE2 0x2A
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE3 0x7F
+ #define DF_CMD_SECTORPROTECTIONOFF_BYTE4 0x9A
+
+ #define DF_CMD_READMANUFACTURERDEVICEINFO 0x9F
+ //@}
+
+#endif
+
+/** @} */
+
diff --git a/LUFA/Drivers/Misc/RingBuffer.h b/LUFA/Drivers/Misc/RingBuffer.h
index 64587e64c..3c5552143 100644
--- a/LUFA/Drivers/Misc/RingBuffer.h
+++ b/LUFA/Drivers/Misc/RingBuffer.h
@@ -1,303 +1,303 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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
- * \brief Lightweight ring (circular) buffer, for fast insertion/deletion of bytes.
- *
- * Lightweight ring buffer, for fast insertion/deletion. Multiple buffers can be created of
- * different sizes to suit different needs.
- *
- * Note that for each buffer, insertion and removal operations may occur at the same time (via
- * a multi-threaded ISR based system) however the same kind of operation (two or more insertions
- * or deletions) must not overlap. If there is possibility of two or more of the same kind of
- * operating occurring at the same point in time, atomic (mutex) locking should be used.
- */
-
-/** \ingroup Group_MiscDrivers
- * \defgroup Group_RingBuff Generic Byte Ring Buffer - LUFA/Drivers/Misc/RingBuffer.h
- * \brief Lightweight ring buffer, for fast insertion/deletion of bytes.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - None
- *
- * \section Sec_ModDescription Module Description
- * Lightweight ring buffer, for fast insertion/deletion. Multiple buffers can be created of
- * different sizes to suit different needs.
- *
- * Note that for each buffer, insertion and removal operations may occur at the same time (via
- * a multi-threaded ISR based system) however the same kind of operation (two or more insertions
- * or deletions) must not overlap. If there is possibility of two or more of the same kind of
- * operating occurring at the same point in time, atomic (mutex) locking should be used.
- *
- * \section Sec_ExampleUsage Example Usage
- * The following snippet is an example of how this module may be used within a typical
- * application.
- *
- * \code
- * // Create the buffer structure and its underlying storage array
- * RingBuffer_t Buffer;
- * uint8_t BufferData[128];
- *
- * // Initialize the buffer with the created storage array
- * RingBuffer_InitBuffer(&Buffer, BufferData, sizeof(BufferData));
- *
- * // Insert some data into the buffer
- * RingBuffer_Insert(Buffer, 'H');
- * RingBuffer_Insert(Buffer, 'E');
- * RingBuffer_Insert(Buffer, 'L');
- * RingBuffer_Insert(Buffer, 'L');
- * RingBuffer_Insert(Buffer, 'O');
- *
- * // Cache the number of stored bytes in the buffer
- * uint16_t BufferCount = RingBuffer_GetCount(&Buffer);
- *
- * // Printer stored data length
- * printf("Buffer Length: %d, Buffer Data: \r\n", BufferCount);
- *
- * // Print contents of the buffer one character at a time
- * while (BufferCount--)
- * putc(RingBuffer_Remove(&Buffer));
- * \endcode
- *
- * @{
- */
-
-#ifndef __RING_BUFFER_H__
-#define __RING_BUFFER_H__
-
- /* Includes: */
- #include "../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Type Defines: */
- /** \brief Ring Buffer Management Structure.
- *
- * Type define for a new ring buffer object. Buffers should be initialized via a call to
- * \ref RingBuffer_InitBuffer() before use.
- */
- typedef struct
- {
- uint8_t* In; /**< Current storage location in the circular buffer. */
- uint8_t* Out; /**< Current retrieval location in the circular buffer. */
- uint8_t* Start; /**< Pointer to the start of the buffer's underlying storage array. */
- uint8_t* End; /**< Pointer to the end of the buffer's underlying storage array. */
- uint8_t Size; /**< Size of the buffer's underlying storage array. */
- uint16_t Count; /**< Number of bytes currently stored in the buffer. */
- } RingBuffer_t;
-
- /* Inline Functions: */
- /** Initializes a ring buffer ready for use. Buffers must be initialized via this function
- * before any operations are called upon them. Already initialized buffers may be reset
- * by re-initializing them using this function.
- *
- * \param[out] Buffer Pointer to a ring buffer structure to initialize.
- * \param[out] DataPtr Pointer to a global array that will hold the data stored into the ring buffer.
- * \param[out] Size Maximum number of bytes that can be stored in the underlying data array.
- */
- static inline void RingBuffer_InitBuffer(RingBuffer_t* Buffer, uint8_t* const DataPtr, const uint16_t Size)
- ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
- static inline void RingBuffer_InitBuffer(RingBuffer_t* Buffer, uint8_t* const DataPtr, const uint16_t Size)
- {
- GCC_FORCE_POINTER_ACCESS(Buffer);
-
- uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
- GlobalInterruptDisable();
-
- Buffer->In = DataPtr;
- Buffer->Out = DataPtr;
- Buffer->Start = &DataPtr[0];
- Buffer->End = &DataPtr[Size];
- Buffer->Size = Size;
- Buffer->Count = 0;
-
- SetGlobalInterruptMask(CurrentGlobalInt);
- }
-
- /** Retrieves the current number of bytes stored in a particular buffer. This value is computed
- * by entering an atomic lock on the buffer, so that the buffer cannot be modified while the
- * computation takes place. This value should be cached when reading out the contents of the buffer,
- * so that as small a time as possible is spent in an atomic lock.
- *
- * \note The value returned by this function is guaranteed to only be the minimum number of bytes
- * stored in the given buffer; this value may change as other threads write new data, thus
- * the returned number should be used only to determine how many successive reads may safely
- * be performed on the buffer.
- *
- * \param[in] Buffer Pointer to a ring buffer structure whose count is to be computed.
- *
- * \return Number of bytes currently stored in the buffer.
- */
- static inline uint16_t RingBuffer_GetCount(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static inline uint16_t RingBuffer_GetCount(RingBuffer_t* const Buffer)
- {
- uint16_t Count;
-
- uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
- GlobalInterruptDisable();
-
- Count = Buffer->Count;
-
- SetGlobalInterruptMask(CurrentGlobalInt);
- return Count;
- }
-
- /** Retrieves the free space in a particular buffer. This value is computed by entering an atomic lock
- * on the buffer, so that the buffer cannot be modified while the computation takes place.
- *
- * \note The value returned by this function is guaranteed to only be the maximum number of bytes
- * free in the given buffer; this value may change as other threads write new data, thus
- * the returned number should be used only to determine how many successive writes may safely
- * be performed on the buffer when there is a single writer thread.
- *
- * \param[in] Buffer Pointer to a ring buffer structure whose free count is to be computed.
- *
- * \return Number of free bytes in the buffer.
- */
- static inline uint16_t RingBuffer_GetFreeCount(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static inline uint16_t RingBuffer_GetFreeCount(RingBuffer_t* const Buffer)
- {
- return (Buffer->Size - RingBuffer_GetCount(Buffer));
- }
-
- /** Atomically determines if the specified ring buffer contains any data. This should
- * be tested before removing data from the buffer, to ensure that the buffer does not
- * underflow.
- *
- * If the data is to be removed in a loop, store the total number of bytes stored in the
- * buffer (via a call to the \ref RingBuffer_GetCount() function) in a temporary variable
- * to reduce the time spent in atomicity locks.
- *
- * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
- *
- * \return Boolean \c true if the buffer contains no free space, false otherwise.
- */
- static inline bool RingBuffer_IsEmpty(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static inline bool RingBuffer_IsEmpty(RingBuffer_t* const Buffer)
- {
- return (RingBuffer_GetCount(Buffer) == 0);
- }
-
- /** Atomically determines if the specified ring buffer contains any free space. This should
- * be tested before storing data to the buffer, to ensure that no data is lost due to a
- * buffer overrun.
- *
- * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
- *
- * \return Boolean \c true if the buffer contains no free space, false otherwise.
- */
- static inline bool RingBuffer_IsFull(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static inline bool RingBuffer_IsFull(RingBuffer_t* const Buffer)
- {
- return (RingBuffer_GetCount(Buffer) == Buffer->Size);
- }
-
- /** Inserts an element into the ring buffer.
- *
- * \note Only one execution thread (main program thread or an ISR) may insert into a single buffer
- * otherwise data corruption may occur. Insertion and removal may occur from different execution
- * threads.
- *
- * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
- * \param[in] Data Data element to insert into the buffer.
- */
- static inline void RingBuffer_Insert(RingBuffer_t* Buffer, const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
- static inline void RingBuffer_Insert(RingBuffer_t* Buffer, const uint8_t Data)
- {
- GCC_FORCE_POINTER_ACCESS(Buffer);
-
- *Buffer->In = Data;
-
- if (++Buffer->In == Buffer->End)
- Buffer->In = Buffer->Start;
-
- uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
- GlobalInterruptDisable();
-
- Buffer->Count++;
-
- SetGlobalInterruptMask(CurrentGlobalInt);
- }
-
- /** Removes an element from the ring buffer.
- *
- * \note Only one execution thread (main program thread or an ISR) may remove from a single buffer
- * otherwise data corruption may occur. Insertion and removal may occur from different execution
- * threads.
- *
- * \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from.
- *
- * \return Next data element stored in the buffer.
- */
- static inline uint8_t RingBuffer_Remove(RingBuffer_t* Buffer) ATTR_NON_NULL_PTR_ARG(1);
- static inline uint8_t RingBuffer_Remove(RingBuffer_t* Buffer)
- {
- GCC_FORCE_POINTER_ACCESS(Buffer);
-
- uint8_t Data = *Buffer->Out;
-
- if (++Buffer->Out == Buffer->End)
- Buffer->Out = Buffer->Start;
-
- uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
- GlobalInterruptDisable();
-
- Buffer->Count--;
-
- SetGlobalInterruptMask(CurrentGlobalInt);
-
- return Data;
- }
-
- /** Returns the next element stored in the ring buffer, without removing it.
- *
- * \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from.
- *
- * \return Next data element stored in the buffer.
- */
- static inline uint8_t RingBuffer_Peek(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static inline uint8_t RingBuffer_Peek(RingBuffer_t* const Buffer)
- {
- return *Buffer->Out;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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 disclaim 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
+ * \brief Lightweight ring (circular) buffer, for fast insertion/deletion of bytes.
+ *
+ * Lightweight ring buffer, for fast insertion/deletion. Multiple buffers can be created of
+ * different sizes to suit different needs.
+ *
+ * Note that for each buffer, insertion and removal operations may occur at the same time (via
+ * a multi-threaded ISR based system) however the same kind of operation (two or more insertions
+ * or deletions) must not overlap. If there is possibility of two or more of the same kind of
+ * operating occurring at the same point in time, atomic (mutex) locking should be used.
+ */
+
+/** \ingroup Group_MiscDrivers
+ * \defgroup Group_RingBuff Generic Byte Ring Buffer - LUFA/Drivers/Misc/RingBuffer.h
+ * \brief Lightweight ring buffer, for fast insertion/deletion of bytes.
+ *
+ * \section Sec_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - None
+ *
+ * \section Sec_ModDescription Module Description
+ * Lightweight ring buffer, for fast insertion/deletion. Multiple buffers can be created of
+ * different sizes to suit different needs.
+ *
+ * Note that for each buffer, insertion and removal operations may occur at the same time (via
+ * a multi-threaded ISR based system) however the same kind of operation (two or more insertions
+ * or deletions) must not overlap. If there is possibility of two or more of the same kind of
+ * operating occurring at the same point in time, atomic (mutex) locking should be used.
+ *
+ * \section Sec_ExampleUsage Example Usage
+ * The following snippet is an example of how this module may be used within a typical
+ * application.
+ *
+ * \code
+ * // Create the buffer structure and its underlying storage array
+ * RingBuffer_t Buffer;
+ * uint8_t BufferData[128];
+ *
+ * // Initialize the buffer with the created storage array
+ * RingBuffer_InitBuffer(&Buffer, BufferData, sizeof(BufferData));
+ *
+ * // Insert some data into the buffer
+ * RingBuffer_Insert(Buffer, 'H');
+ * RingBuffer_Insert(Buffer, 'E');
+ * RingBuffer_Insert(Buffer, 'L');
+ * RingBuffer_Insert(Buffer, 'L');
+ * RingBuffer_Insert(Buffer, 'O');
+ *
+ * // Cache the number of stored bytes in the buffer
+ * uint16_t BufferCount = RingBuffer_GetCount(&Buffer);
+ *
+ * // Printer stored data length
+ * printf("Buffer Length: %d, Buffer Data: \r\n", BufferCount);
+ *
+ * // Print contents of the buffer one character at a time
+ * while (BufferCount--)
+ * putc(RingBuffer_Remove(&Buffer));
+ * \endcode
+ *
+ * @{
+ */
+
+#ifndef __RING_BUFFER_H__
+#define __RING_BUFFER_H__
+
+ /* Includes: */
+ #include "../../Common/Common.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Type Defines: */
+ /** \brief Ring Buffer Management Structure.
+ *
+ * Type define for a new ring buffer object. Buffers should be initialized via a call to
+ * \ref RingBuffer_InitBuffer() before use.
+ */
+ typedef struct
+ {
+ uint8_t* In; /**< Current storage location in the circular buffer. */
+ uint8_t* Out; /**< Current retrieval location in the circular buffer. */
+ uint8_t* Start; /**< Pointer to the start of the buffer's underlying storage array. */
+ uint8_t* End; /**< Pointer to the end of the buffer's underlying storage array. */
+ uint8_t Size; /**< Size of the buffer's underlying storage array. */
+ uint16_t Count; /**< Number of bytes currently stored in the buffer. */
+ } RingBuffer_t;
+
+ /* Inline Functions: */
+ /** Initializes a ring buffer ready for use. Buffers must be initialized via this function
+ * before any operations are called upon them. Already initialized buffers may be reset
+ * by re-initializing them using this function.
+ *
+ * \param[out] Buffer Pointer to a ring buffer structure to initialize.
+ * \param[out] DataPtr Pointer to a global array that will hold the data stored into the ring buffer.
+ * \param[out] Size Maximum number of bytes that can be stored in the underlying data array.
+ */
+ static inline void RingBuffer_InitBuffer(RingBuffer_t* Buffer, uint8_t* const DataPtr, const uint16_t Size)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+ static inline void RingBuffer_InitBuffer(RingBuffer_t* Buffer, uint8_t* const DataPtr, const uint16_t Size)
+ {
+ GCC_FORCE_POINTER_ACCESS(Buffer);
+
+ uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
+ GlobalInterruptDisable();
+
+ Buffer->In = DataPtr;
+ Buffer->Out = DataPtr;
+ Buffer->Start = &DataPtr[0];
+ Buffer->End = &DataPtr[Size];
+ Buffer->Size = Size;
+ Buffer->Count = 0;
+
+ SetGlobalInterruptMask(CurrentGlobalInt);
+ }
+
+ /** Retrieves the current number of bytes stored in a particular buffer. This value is computed
+ * by entering an atomic lock on the buffer, so that the buffer cannot be modified while the
+ * computation takes place. This value should be cached when reading out the contents of the buffer,
+ * so that as small a time as possible is spent in an atomic lock.
+ *
+ * \note The value returned by this function is guaranteed to only be the minimum number of bytes
+ * stored in the given buffer; this value may change as other threads write new data, thus
+ * the returned number should be used only to determine how many successive reads may safely
+ * be performed on the buffer.
+ *
+ * \param[in] Buffer Pointer to a ring buffer structure whose count is to be computed.
+ *
+ * \return Number of bytes currently stored in the buffer.
+ */
+ static inline uint16_t RingBuffer_GetCount(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+ static inline uint16_t RingBuffer_GetCount(RingBuffer_t* const Buffer)
+ {
+ uint16_t Count;
+
+ uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
+ GlobalInterruptDisable();
+
+ Count = Buffer->Count;
+
+ SetGlobalInterruptMask(CurrentGlobalInt);
+ return Count;
+ }
+
+ /** Retrieves the free space in a particular buffer. This value is computed by entering an atomic lock
+ * on the buffer, so that the buffer cannot be modified while the computation takes place.
+ *
+ * \note The value returned by this function is guaranteed to only be the maximum number of bytes
+ * free in the given buffer; this value may change as other threads write new data, thus
+ * the returned number should be used only to determine how many successive writes may safely
+ * be performed on the buffer when there is a single writer thread.
+ *
+ * \param[in] Buffer Pointer to a ring buffer structure whose free count is to be computed.
+ *
+ * \return Number of free bytes in the buffer.
+ */
+ static inline uint16_t RingBuffer_GetFreeCount(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+ static inline uint16_t RingBuffer_GetFreeCount(RingBuffer_t* const Buffer)
+ {
+ return (Buffer->Size - RingBuffer_GetCount(Buffer));
+ }
+
+ /** Atomically determines if the specified ring buffer contains any data. This should
+ * be tested before removing data from the buffer, to ensure that the buffer does not
+ * underflow.
+ *
+ * If the data is to be removed in a loop, store the total number of bytes stored in the
+ * buffer (via a call to the \ref RingBuffer_GetCount() function) in a temporary variable
+ * to reduce the time spent in atomicity locks.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
+ *
+ * \return Boolean \c true if the buffer contains no free space, false otherwise.
+ */
+ static inline bool RingBuffer_IsEmpty(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+ static inline bool RingBuffer_IsEmpty(RingBuffer_t* const Buffer)
+ {
+ return (RingBuffer_GetCount(Buffer) == 0);
+ }
+
+ /** Atomically determines if the specified ring buffer contains any free space. This should
+ * be tested before storing data to the buffer, to ensure that no data is lost due to a
+ * buffer overrun.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
+ *
+ * \return Boolean \c true if the buffer contains no free space, false otherwise.
+ */
+ static inline bool RingBuffer_IsFull(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+ static inline bool RingBuffer_IsFull(RingBuffer_t* const Buffer)
+ {
+ return (RingBuffer_GetCount(Buffer) == Buffer->Size);
+ }
+
+ /** Inserts an element into the ring buffer.
+ *
+ * \note Only one execution thread (main program thread or an ISR) may insert into a single buffer
+ * otherwise data corruption may occur. Insertion and removal may occur from different execution
+ * threads.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
+ * \param[in] Data Data element to insert into the buffer.
+ */
+ static inline void RingBuffer_Insert(RingBuffer_t* Buffer, const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
+ static inline void RingBuffer_Insert(RingBuffer_t* Buffer, const uint8_t Data)
+ {
+ GCC_FORCE_POINTER_ACCESS(Buffer);
+
+ *Buffer->In = Data;
+
+ if (++Buffer->In == Buffer->End)
+ Buffer->In = Buffer->Start;
+
+ uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
+ GlobalInterruptDisable();
+
+ Buffer->Count++;
+
+ SetGlobalInterruptMask(CurrentGlobalInt);
+ }
+
+ /** Removes an element from the ring buffer.
+ *
+ * \note Only one execution thread (main program thread or an ISR) may remove from a single buffer
+ * otherwise data corruption may occur. Insertion and removal may occur from different execution
+ * threads.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from.
+ *
+ * \return Next data element stored in the buffer.
+ */
+ static inline uint8_t RingBuffer_Remove(RingBuffer_t* Buffer) ATTR_NON_NULL_PTR_ARG(1);
+ static inline uint8_t RingBuffer_Remove(RingBuffer_t* Buffer)
+ {
+ GCC_FORCE_POINTER_ACCESS(Buffer);
+
+ uint8_t Data = *Buffer->Out;
+
+ if (++Buffer->Out == Buffer->End)
+ Buffer->Out = Buffer->Start;
+
+ uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
+ GlobalInterruptDisable();
+
+ Buffer->Count--;
+
+ SetGlobalInterruptMask(CurrentGlobalInt);
+
+ return Data;
+ }
+
+ /** Returns the next element stored in the ring buffer, without removing it.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from.
+ *
+ * \return Next data element stored in the buffer.
+ */
+ static inline uint8_t RingBuffer_Peek(RingBuffer_t* const Buffer) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+ static inline uint8_t RingBuffer_Peek(RingBuffer_t* const Buffer)
+ {
+ return *Buffer->Out;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+