Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'

4 files changed, 755 insertions, 0 deletions

diff --git a/lib/lufa/LUFA/Drivers/Misc/AT45DB321C.h b/lib/lufa/LUFA/Drivers/Misc/AT45DB321C.h
new file mode 100644
index 0000000000..e354ca47be
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/Misc/AT45DB321C.h
@@ -0,0 +1,100 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  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
+ *  \brief Command constants for the Atmel AT45DB321C Dataflash.
+ *  \copydetails Group_AT45DB321C
+ */
+
+/** \ingroup Group_MiscDrivers
+ *  \defgroup Group_AT45DB321C Atmel AT45DB321C Dataflash Commands - LUFA/Drivers/Misc/AT45DB321C.h
+ *  \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)
+			//@}
+
+			/** \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
+			//@}
+
+			/** Manufacturer code for Atmel Corporation, returned by Atmel Dataflash ICs in response to the \c DF_CMD_READMANUFACTURERDEVICEINFO command. */
+			#define DF_MANUFACTURER_ATMEL                   0x1F
+
+#endif
+
+/** @} */
+
diff --git a/lib/lufa/LUFA/Drivers/Misc/AT45DB642D.h b/lib/lufa/LUFA/Drivers/Misc/AT45DB642D.h
new file mode 100644
index 0000000000..76a7a5cb6c
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/Misc/AT45DB642D.h
@@ -0,0 +1,116 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  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
+ *  \brief Command constants for the Atmel AT45DB642D Dataflash.
+ *  \copydetails Group_AT45DB642D
+ */
+
+/** \ingroup Group_MiscDrivers
+ *  \defgroup Group_AT45DB642D Atmel AT45DB642D Dataflash Commands - LUFA/Drivers/Misc/AT45DB642D.h
+ *  \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)
+			//@}
+
+			/** \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_BINARYPAGESIZEMODEON             ((char[]){0x3D, 0x2A, 0x80, 0xA6})
+			#define DF_CMD_BINARYPAGESIZEMODEON_BYTE1       0x3D
+			#define DF_CMD_BINARYPAGESIZEMODEON_BYTE2       0x2A
+			#define DF_CMD_BINARYPAGESIZEMODEON_BYTE3       0x80
+			#define DF_CMD_BINARYPAGESIZEMODEON_BYTE4       0xA6
+
+			#define DF_CMD_READMANUFACTURERDEVICEINFO       0x9F
+			//@}
+
+			/** Manufacturer code for Atmel Corporation, returned by Atmel Dataflash ICs in response to the \c DF_CMD_READMANUFACTURERDEVICEINFO command. */
+			#define DF_MANUFACTURER_ATMEL                   0x1F
+
+#endif
+
+/** @} */
+
diff --git a/lib/lufa/LUFA/Drivers/Misc/RingBuffer.h b/lib/lufa/LUFA/Drivers/Misc/RingBuffer.h
new file mode 100644
index 0000000000..0e76a0779a
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/Misc/RingBuffer.h
@@ -0,0 +1,308 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  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
+ *  \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_RingBuff_Dependencies Module Source Dependencies
+ *  The following files must be built with any user project that uses this module:
+ *    - None
+ *
+ *  \section Sec_RingBuff_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_RingBuff_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. */
+			uint16_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, \c 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, \c 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.
+		 *
+		 *  \warning 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.
+		 *
+		 *  \warning 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
+
+/** @} */
+
diff --git a/lib/lufa/LUFA/Drivers/Misc/TerminalCodes.h b/lib/lufa/LUFA/Drivers/Misc/TerminalCodes.h
new file mode 100644
index 0000000000..b12a247ed1
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/Misc/TerminalCodes.h
@@ -0,0 +1,231 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  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
+ *  \brief ANSI terminal special escape code macros.
+ *
+ *  ANSI terminal compatible escape sequences. These escape sequences are designed to be concatenated with existing
+ *  strings to modify their display on a compatible terminal application.
+ */
+
+/** \ingroup Group_MiscDrivers
+ *  \defgroup Group_Terminal ANSI Terminal Escape Codes - LUFA/Drivers/Misc/TerminalCodes.h
+ *  \brief ANSI terminal special escape code macros.
+ *
+ *  \section Sec_Terminal_Dependencies Module Source Dependencies
+ *  The following files must be built with any user project that uses this module:
+ *    - None
+ *
+ *  \section Sec_Terminal_ModDescription Module Description
+ *  Escape code macros for ANSI compliant text terminals.
+ *
+ *  \note If desired, the macro \c DISABLE_TERMINAL_CODES can be defined in the project makefile and passed to the GCC
+ *        compiler via the -D switch to disable the terminal codes without modifying the source, for use with non
+ *        compatible terminals (any terminal codes then equate to empty strings).
+ *
+ *  \section Sec_Terminal_ExampleUsage Example Usage
+ *  The following snippet is an example of how this module may be used within a typical
+ *  application.
+ *
+ *  \code
+ *      printf("Normal String, "
+ *             ESC_BOLD_ON "Bold String, "
+ *             ESC_UNDERLINE_ON "Bold and Underlined String"
+ *             ESC_RESET ESC_FG_BLUE ESC_BG_YELLOW "Normal Blue-on-Yellow String");
+ *  \endcode
+ *
+ *  @{
+ */
+
+#ifndef __TERMINALCODES_H__
+#define __TERMINALCODES_H__
+
+	/* Public Interface - May be used in end-application: */
+		/* Macros: */
+			#if !defined(DISABLE_TERMINAL_CODES)
+				/** Creates an ANSI escape sequence with the specified payload.
+				 *
+				 *  \param[in] EscapeSeq  Payload to encode as an ANSI escape sequence, a \c ESC_* mask.
+				 */
+				#define ANSI_ESCAPE_SEQUENCE(EscapeSeq)  "\33[" EscapeSeq
+			#else
+				#define ANSI_ESCAPE_SEQUENCE(EscapeSeq)
+			#endif
+
+			/** \name Text Display Modifier Control Sequences */
+			//@{
+			/** Turns on bold so that any following text is printed to the terminal in bold. */
+			#define ESC_BOLD_ON                     ANSI_ESCAPE_SEQUENCE("1m")
+
+			/** Turns on italics so that any following text is printed to the terminal in italics. */
+			#define ESC_ITALICS_ON                  ANSI_ESCAPE_SEQUENCE("3m")
+
+			/** Turns on underline so that any following text is printed to the terminal underlined. */
+			#define ESC_UNDERLINE_ON                ANSI_ESCAPE_SEQUENCE("4m")
+
+			/** Turns on inverse so that any following text is printed to the terminal in inverted colours. */
+			#define ESC_INVERSE_ON                  ANSI_ESCAPE_SEQUENCE("7m")
+
+			/** Turns on strike-through so that any following text is printed to the terminal with a line through the
+			 *  center.
+			 */
+			#define ESC_STRIKETHROUGH_ON            ANSI_ESCAPE_SEQUENCE("9m")
+
+			/** Turns off bold so that any following text is printed to the terminal in non bold. */
+			#define ESC_BOLD_OFF                    ANSI_ESCAPE_SEQUENCE("22m")
+
+			/** Turns off italics so that any following text is printed to the terminal in non italics. */
+			#define ESC_ITALICS_OFF                 ANSI_ESCAPE_SEQUENCE("23m")
+
+			/** Turns off underline so that any following text is printed to the terminal non underlined. */
+			#define ESC_UNDERLINE_OFF               ANSI_ESCAPE_SEQUENCE("24m")
+
+			/** Turns off inverse so that any following text is printed to the terminal in non inverted colours. */
+			#define ESC_INVERSE_OFF                 ANSI_ESCAPE_SEQUENCE("27m")
+
+			/** Turns off strike-through so that any following text is printed to the terminal without a line through
+			 *  the center.
+			 */
+			#define ESC_STRIKETHROUGH_OFF           ANSI_ESCAPE_SEQUENCE("29m")
+			//@}
+
+			/** \name Text Colour Control Sequences */
+			//@{
+			/** Sets the foreground (text) colour to black. */
+			#define ESC_FG_BLACK                    ANSI_ESCAPE_SEQUENCE("30m")
+
+			/** Sets the foreground (text) colour to red. */
+			#define ESC_FG_RED                      ANSI_ESCAPE_SEQUENCE("31m")
+
+			/** Sets the foreground (text) colour to green. */
+			#define ESC_FG_GREEN                    ANSI_ESCAPE_SEQUENCE("32m")
+
+			/** Sets the foreground (text) colour to yellow. */
+			#define ESC_FG_YELLOW                   ANSI_ESCAPE_SEQUENCE("33m")
+
+			/** Sets the foreground (text) colour to blue. */
+			#define ESC_FG_BLUE                     ANSI_ESCAPE_SEQUENCE("34m")
+
+			/** Sets the foreground (text) colour to magenta. */
+			#define ESC_FG_MAGENTA                  ANSI_ESCAPE_SEQUENCE("35m")
+
+			/** Sets the foreground (text) colour to cyan. */
+			#define ESC_FG_CYAN                     ANSI_ESCAPE_SEQUENCE("36m")
+
+			/** Sets the foreground (text) colour to white. */
+			#define ESC_FG_WHITE                    ANSI_ESCAPE_SEQUENCE("37m")
+
+			/** Sets the foreground (text) colour to the terminal's default. */
+			#define ESC_FG_DEFAULT                  ANSI_ESCAPE_SEQUENCE("39m")
+
+			/** Sets the text background colour to black. */
+			#define ESC_BG_BLACK                    ANSI_ESCAPE_SEQUENCE("40m")
+
+			/** Sets the text background colour to red. */
+			#define ESC_BG_RED                      ANSI_ESCAPE_SEQUENCE("41m")
+
+			/** Sets the text background colour to green. */
+			#define ESC_BG_GREEN                    ANSI_ESCAPE_SEQUENCE("42m")
+
+			/** Sets the text background colour to yellow. */
+			#define ESC_BG_YELLOW                   ANSI_ESCAPE_SEQUENCE("43m")
+
+			/** Sets the text background colour to blue. */
+			#define ESC_BG_BLUE                     ANSI_ESCAPE_SEQUENCE("44m")
+
+			/** Sets the text background colour to magenta. */
+			#define ESC_BG_MAGENTA                  ANSI_ESCAPE_SEQUENCE("45m")
+
+			/** Sets the text background colour to cyan. */
+			#define ESC_BG_CYAN                     ANSI_ESCAPE_SEQUENCE("46m")
+
+			/** Sets the text background colour to white. */
+			#define ESC_BG_WHITE                    ANSI_ESCAPE_SEQUENCE("47m")
+
+			/** Sets the text background colour to the terminal's default. */
+			#define ESC_BG_DEFAULT                  ANSI_ESCAPE_SEQUENCE("49m")
+			//@}
+
+			/** \name Cursor Positioning Control Sequences */
+			//@{
+			/** Saves the current cursor position so that it may be restored with \ref ESC_CURSOR_POS_RESTORE. */
+			#define ESC_CURSOR_POS_SAVE             ANSI_ESCAPE_SEQUENCE("s")
+
+			/** Restores the cursor position to the last position saved with \ref ESC_CURSOR_POS_SAVE. */
+			#define ESC_CURSOR_POS_RESTORE          ANSI_ESCAPE_SEQUENCE("u")
+
+			/** Sets the cursor position to the given line and column.
+			 *
+			 *  \param[in] Line    Line number to position the cursor at.
+			 *  \param[in] Column  Column number to position the cursor at.
+			 */
+			#define ESC_CURSOR_POS(Line, Column)    ANSI_ESCAPE_SEQUENCE(#Line ";" #Column "H")
+
+			/** Moves the cursor up the given number of lines.
+			 *
+			 *  \param[in] Lines  Number of lines to move the cursor position
+			 */
+			#define ESC_CURSOR_UP(Lines)            ANSI_ESCAPE_SEQUENCE(#Lines "A")
+
+			/** Moves the cursor down the given number of lines.
+			 *
+			 *  \param[in] Lines  Number of lines to move the cursor position
+			 */
+			#define ESC_CURSOR_DOWN(Lines)          ANSI_ESCAPE_SEQUENCE(#Lines "B")
+
+			/** Moves the cursor to the right the given number of columns.
+			 *
+			 *  \param[in] Columns  Number of columns to move the cursor position
+			 */
+			#define ESC_CURSOR_FORWARD(Columns)     ANSI_ESCAPE_SEQUENCE(#Columns "C")
+
+			/** Moves the cursor to the left the given number of columns.
+			 *
+			 *  \param[in] Columns  Number of columns to move the cursor position
+			 */
+			#define ESC_CURSOR_BACKWARD(Columns)    ANSI_ESCAPE_SEQUENCE(#Columns "D")
+			//@}
+
+			/** \name Miscellaneous Control Sequences */
+			//@{
+			/** Resets any escape sequence modifiers back to their defaults. */
+			#define ESC_RESET                       ANSI_ESCAPE_SEQUENCE("0m")
+
+			/** Erases the entire display, returning the cursor to the top left. */
+			#define ESC_ERASE_DISPLAY               ANSI_ESCAPE_SEQUENCE("2J")
+
+			/** Erases the current line, returning the cursor to the far left. */
+			#define ESC_ERASE_LINE                  ANSI_ESCAPE_SEQUENCE("K")
+			//@}
+
+#endif
+
+/** @} */
+