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

8 files changed, 1929 insertions, 0 deletions

diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
new file mode 100644
index 0000000000..22eb7d74cb
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c
@@ -0,0 +1,274 @@
+/*
+             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
+ *
+ *  Target-related functions for the TINY target's NVM module.
+ */
+
+#define  INCLUDE_FROM_TINYNVM_C
+#include "TINYNVM.h"
+
+#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
+
+/** Sends the given pointer address to the target's TPI pointer register */
+static void TINYNVM_SendPointerAddress(const uint16_t AbsoluteAddress)
+{
+	/* Send the given 16-bit address to the target, LSB first */
+	XPROGTarget_SendByte(TPI_CMD_SSTPR | 0);
+	XPROGTarget_SendByte(AbsoluteAddress & 0xFF);
+	XPROGTarget_SendByte(TPI_CMD_SSTPR | 1);
+	XPROGTarget_SendByte(AbsoluteAddress >> 8);
+}
+
+/** Sends a SIN command to the target with the specified I/O address, ready for the data byte to be written.
+ *
+ *  \param[in] Address  6-bit I/O address to write to in the target's I/O memory space
+ */
+static void TINYNVM_SendReadNVMRegister(const uint8_t Address)
+{
+	/* The TPI command for reading from the I/O space uses strange addressing, where the I/O address's upper
+	 * two bits of the 6-bit address are shifted left once - use function to reduce code size */
+	XPROGTarget_SendByte(TPI_CMD_SIN(Address));
+}
+
+/** Sends a SOUT command to the target with the specified I/O address, ready for the data byte to be read.
+ *
+ *  \param[in] Address  6-bit I/O address to read from in the target's I/O memory space
+ */
+static void TINYNVM_SendWriteNVMRegister(const uint8_t Address)
+{
+	/* The TPI command for reading from the I/O space uses strange addressing, where the I/O address's upper
+	 * two bits of the 6-bit address are shifted left once - use function to reduce code size */
+	XPROGTarget_SendByte(TPI_CMD_SOUT(Address));
+}
+
+/** Busy-waits while the NVM controller is busy performing a NVM operation, such as a FLASH page read.
+ *
+ *  \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
+ */
+bool TINYNVM_WaitWhileNVMBusBusy(void)
+{
+	/* Poll the STATUS register to check to see if NVM access has been enabled */
+	for (;;)
+	{
+		/* Send the SLDCS command to read the TPI STATUS register to see the NVM bus is active */
+		XPROGTarget_SendByte(TPI_CMD_SLDCS(TPI_REG_STATUS));
+
+		uint8_t StatusRegister = XPROGTarget_ReceiveByte();
+
+		/* We might have timed out waiting for the status register read response, check here */
+		if (!(TimeoutTicksRemaining))
+		  return false;
+
+		/* Check the status register read response to see if the NVM bus is enabled */
+		if (StatusRegister & TPI_STATUS_NVM)
+		  return true;
+	}
+}
+
+/** Waits while the target's NVM controller is busy performing an operation, exiting if the
+ *  timeout period expires.
+ *
+ *  \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
+ */
+bool TINYNVM_WaitWhileNVMControllerBusy(void)
+{
+	/* Poll the STATUS register to check to see if NVM access has been enabled */
+	for (;;)
+	{
+		/* Send the SIN command to read the TPI STATUS register to see the NVM bus is busy */
+		TINYNVM_SendReadNVMRegister(XPROG_Param_NVMCSRRegAddr);
+
+		uint8_t StatusRegister = XPROGTarget_ReceiveByte();
+
+		/* We might have timed out waiting for the status register read response, check here */
+		if (!(TimeoutTicksRemaining))
+		  return false;
+
+		/* Check to see if the BUSY flag is still set */
+		if (!(StatusRegister & (1 << 7)))
+		  return true;
+	}
+}
+
+/** Enables the physical TPI interface on the target and enables access to the internal NVM controller.
+ *
+ *  \return Boolean \c true if the TPI interface was enabled successfully, \c false otherwise
+ */
+bool TINYNVM_EnableTPI(void)
+{
+	/* Enable TPI programming mode with the attached target */
+	XPROGTarget_EnableTargetTPI();
+
+	/* Lower direction change guard time to 32 USART bits */
+	XPROGTarget_SendByte(TPI_CMD_SSTCS(TPI_REG_CTRL));
+	XPROGTarget_SendByte(0x02);
+
+	/* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
+	XPROGTarget_SendByte(TPI_CMD_SKEY);
+	for (uint8_t i = sizeof(TPI_NVMENABLE_KEY); i > 0; i--)
+	  XPROGTarget_SendByte(TPI_NVMENABLE_KEY[i - 1]);
+
+	/* Wait until the NVM bus becomes active */
+	return TINYNVM_WaitWhileNVMBusBusy();
+}
+
+/** Removes access to the target's NVM controller and physically disables the target's physical TPI interface. */
+void TINYNVM_DisableTPI(void)
+{
+	TINYNVM_WaitWhileNVMBusBusy();
+
+	do
+	{
+		/* Clear the NVMEN bit in the TPI STATUS register to disable TPI mode */
+		XPROGTarget_SendByte(TPI_CMD_SSTCS(TPI_REG_STATUS));
+		XPROGTarget_SendByte(0x00);
+
+		/* Read back the STATUS register, check to see if it took effect */
+		XPROGTarget_SendByte(TPI_CMD_SLDCS(TPI_REG_STATUS));
+	} while (XPROGTarget_ReceiveByte() != 0x00);
+
+	XPROGTarget_DisableTargetTPI();
+}
+
+/** Reads memory from the target's memory spaces.
+ *
+ *  \param[in]  ReadAddress  Start address to read from within the target's address space
+ *  \param[out] ReadBuffer   Buffer to store read data into
+ *  \param[in]  ReadSize     Length of the data to read from the device
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool TINYNVM_ReadMemory(const uint16_t ReadAddress,
+                        uint8_t* ReadBuffer,
+                        uint16_t ReadSize)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Set the NVM control register to the NO OP command for memory reading */
+	TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
+	XPROGTarget_SendByte(TINY_NVM_CMD_NOOP);
+
+	/* Send the address of the location to read from */
+	TINYNVM_SendPointerAddress(ReadAddress);
+
+	while (ReadSize-- && TimeoutTicksRemaining)
+	{
+		/* Read the byte of data from the target */
+		XPROGTarget_SendByte(TPI_CMD_SLD(TPI_POINTER_INDIRECT_PI));
+		*(ReadBuffer++) = XPROGTarget_ReceiveByte();
+	}
+
+	return (TimeoutTicksRemaining > 0);
+}
+
+/** Writes word addressed memory to the target's memory spaces.
+ *
+ *  \param[in] WriteAddress  Start address to write to within the target's address space
+ *  \param[in] WriteBuffer   Buffer to source data from
+ *  \param[in] WriteLength   Total number of bytes to write to the device (must be an integer multiple of 2)
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool TINYNVM_WriteMemory(const uint16_t WriteAddress,
+                         uint8_t* WriteBuffer,
+                         uint16_t WriteLength)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Must have an integer number of words to write - if extra byte, word-align via a dummy high byte */
+	if (WriteLength & 0x01)
+	  WriteBuffer[WriteLength++] = 0xFF;
+
+	/* Set the NVM control register to the WORD WRITE command for memory writing */
+	TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
+	XPROGTarget_SendByte(TINY_NVM_CMD_WORDWRITE);
+
+	/* Send the address of the location to write to */
+	TINYNVM_SendPointerAddress(WriteAddress);
+
+	while (WriteLength)
+	{
+		/* Wait until the NVM controller is no longer busy */
+		if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Write the low byte of data to the target */
+		XPROGTarget_SendByte(TPI_CMD_SST(TPI_POINTER_INDIRECT_PI));
+		XPROGTarget_SendByte(*(WriteBuffer++));
+
+		/* Write the high byte of data to the target */
+		XPROGTarget_SendByte(TPI_CMD_SST(TPI_POINTER_INDIRECT_PI));
+		XPROGTarget_SendByte(*(WriteBuffer++));
+
+		/* Need to decrement the write length twice, since we wrote a whole two-byte word */
+		WriteLength -= 2;
+	}
+
+	return true;
+}
+
+/** Erases the target's memory space.
+ *
+ *  \param[in] EraseCommand  NVM erase command to send to the device
+ *  \param[in] Address       Address inside the memory space to erase
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool TINYNVM_EraseMemory(const uint8_t EraseCommand,
+                         const uint16_t Address)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Set the NVM control register to the target memory erase command */
+	TINYNVM_SendWriteNVMRegister(XPROG_Param_NVMCMDRegAddr);
+	XPROGTarget_SendByte(EraseCommand);
+
+	/* Write to a high byte location within the target address space to start the erase process */
+	TINYNVM_SendPointerAddress(Address | 0x0001);
+	XPROGTarget_SendByte(TPI_CMD_SST(TPI_POINTER_INDIRECT));
+	XPROGTarget_SendByte(0x00);
+
+	/* Wait until the NVM controller is no longer busy */
+	if (!(TINYNVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	return true;
+}
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.h b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.h
new file mode 100644
index 0000000000..61389bb455
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.h
@@ -0,0 +1,86 @@
+/*
+             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
+ *
+ *  Header file for TINYNVM.c.
+ */
+
+#ifndef _TINY_NVM_
+#define _TINY_NVM_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/interrupt.h>
+		#include <stdbool.h>
+
+		#include <LUFA/Common/Common.h>
+
+		#include "XPROGProtocol.h"
+		#include "XPROGTarget.h"
+		#include "Config/AppConfig.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+
+			#if !defined(ENABLE_XPROG_PROTOCOL)
+				#define ENABLE_XPROG_PROTOCOL
+			#endif
+		#endif
+
+	/* Defines: */
+		#define TINY_NVM_CMD_NOOP              0x00
+		#define TINY_NVM_CMD_CHIPERASE         0x10
+		#define TINY_NVM_CMD_SECTIONERASE      0x14
+		#define TINY_NVM_CMD_WORDWRITE         0x1D
+
+	/* Function Prototypes: */
+		bool TINYNVM_WaitWhileNVMBusBusy(void);
+		bool TINYNVM_WaitWhileNVMControllerBusy(void);
+		bool TINYNVM_EnableTPI(void);
+		void TINYNVM_DisableTPI(void);
+		bool TINYNVM_ReadMemory(const uint16_t ReadAddress,
+		                        uint8_t* ReadBuffer,
+		                        uint16_t ReadLength);
+		bool TINYNVM_WriteMemory(const uint16_t WriteAddress,
+		                         uint8_t* WriteBuffer,
+		                         uint16_t WriteLength);
+		bool TINYNVM_EraseMemory(const uint8_t EraseCommand,
+		                         const uint16_t Address);
+
+		#if (defined(INCLUDE_FROM_TINYNVM_C) && defined(ENABLE_XPROG_PROTOCOL))
+			static void TINYNVM_SendReadNVMRegister(const uint8_t Address);
+			static void TINYNVM_SendWriteNVMRegister(const uint8_t Address);
+			static void TINYNVM_SendPointerAddress(const uint16_t AbsoluteAddress);
+		#endif
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
new file mode 100644
index 0000000000..0208a634b7
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c
@@ -0,0 +1,468 @@
+/*
+             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
+ *
+ *  Target-related functions for the XMEGA target's NVM module.
+ */
+
+#define  INCLUDE_FROM_XMEGA_NVM_C
+#include "XMEGANVM.h"
+
+#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
+
+/** Sends the given 32-bit absolute address to the target.
+ *
+ *  \param[in] AbsoluteAddress  Absolute address to send to the target
+ */
+static void XMEGANVM_SendAddress(const uint32_t AbsoluteAddress)
+{
+	/* Send the given 32-bit address to the target, LSB first */
+	XPROGTarget_SendByte(AbsoluteAddress &  0xFF);
+	XPROGTarget_SendByte(AbsoluteAddress >> 8);
+	XPROGTarget_SendByte(AbsoluteAddress >> 16);
+	XPROGTarget_SendByte(AbsoluteAddress >> 24);
+}
+
+/** Sends the given NVM register address to the target.
+ *
+ *  \param[in] Register  NVM register whose absolute address is to be sent
+ */
+static void XMEGANVM_SendNVMRegAddress(const uint8_t Register)
+{
+	/* Determine the absolute register address from the NVM base memory address and the NVM register address */
+	uint32_t Address = XPROG_Param_NVMBase | Register;
+
+	/* Send the calculated 32-bit address to the target, LSB first */
+	XMEGANVM_SendAddress(Address);
+}
+
+/** Busy-waits while the NVM controller is busy performing a NVM operation, such as a FLASH page read or CRC
+ *  calculation.
+ *
+ *  \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
+ */
+bool XMEGANVM_WaitWhileNVMBusBusy(void)
+{
+	/* Poll the STATUS register to check to see if NVM access has been enabled */
+	for (;;)
+	{
+		/* Send the LDCS command to read the PDI STATUS register to see the NVM bus is active */
+		XPROGTarget_SendByte(PDI_CMD_LDCS(PDI_REG_STATUS));
+
+		uint8_t StatusRegister = XPROGTarget_ReceiveByte();
+
+		/* We might have timed out waiting for the status register read response, check here */
+		if (!(TimeoutTicksRemaining))
+		  return false;
+
+		/* Check the status register read response to see if the NVM bus is enabled */
+		if (StatusRegister & PDI_STATUS_NVM)
+		  return true;
+	}
+}
+
+/** Waits while the target's NVM controller is busy performing an operation, exiting if the
+ *  timeout period expires.
+ *
+ *  \return Boolean \c true if the NVM controller became ready within the timeout period, \c false otherwise
+ */
+bool XMEGANVM_WaitWhileNVMControllerBusy(void)
+{
+	/* Preload the pointer register with the NVM STATUS register address to check the BUSY flag */
+	XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_STATUS);
+
+	/* Poll the NVM STATUS register while the NVM controller is busy */
+	for (;;)
+	{
+		/* Fetch the current status value via the pointer register (without auto-increment afterwards) */
+		XPROGTarget_SendByte(PDI_CMD_LD(PDI_POINTER_INDIRECT, PDI_DATASIZE_1BYTE));
+
+		uint8_t StatusRegister = XPROGTarget_ReceiveByte();
+
+		/* We might have timed out waiting for the status register read response, check here */
+		if (!(TimeoutTicksRemaining))
+		  return false;
+
+		/* Check to see if the BUSY flag is still set */
+		if (!(StatusRegister & (1 << 7)))
+		  return true;
+	}
+}
+
+/** Enables the physical PDI interface on the target and enables access to the internal NVM controller.
+ *
+ *  \return Boolean \c true if the PDI interface was enabled successfully, \c false otherwise
+ */
+bool XMEGANVM_EnablePDI(void)
+{
+	/* Enable PDI programming mode with the attached target */
+	XPROGTarget_EnableTargetPDI();
+
+	/* Store the RESET key into the RESET PDI register to keep the XMEGA in reset */
+	XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_RESET));
+	XPROGTarget_SendByte(PDI_RESET_KEY);
+
+	/* Lower direction change guard time to 32 USART bits */
+	XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_CTRL));
+	XPROGTarget_SendByte(0x02);
+
+	/* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
+	XPROGTarget_SendByte(PDI_CMD_KEY);
+	for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--)
+	  XPROGTarget_SendByte(PDI_NVMENABLE_KEY[i - 1]);
+
+	/* Wait until the NVM bus becomes active */
+	return XMEGANVM_WaitWhileNVMBusBusy();
+}
+
+/** Removes access to the target's NVM controller and physically disables the target's physical PDI interface. */
+void XMEGANVM_DisablePDI(void)
+{
+	XMEGANVM_WaitWhileNVMBusBusy();
+
+	/* Clear the RESET key in the RESET PDI register to allow the XMEGA to run - must perform this until the
+	 * change takes effect, as in some cases it takes multiple writes (silicon bug?).
+	 */
+	do
+	{
+		/* Clear reset register */
+		XPROGTarget_SendByte(PDI_CMD_STCS(PDI_REG_RESET));
+		XPROGTarget_SendByte(0x00);
+
+		/* Read back the reset register, check to see if it took effect */
+		XPROGTarget_SendByte(PDI_CMD_LDCS(PDI_REG_RESET));
+	} while (XPROGTarget_ReceiveByte() != 0x00);
+
+	XPROGTarget_DisableTargetPDI();
+}
+
+/** Retrieves the CRC value of the given memory space.
+ *
+ *  \param[in]  CRCCommand  NVM CRC command to issue to the target
+ *  \param[out] CRCDest     CRC Destination when read from the target
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand,
+                           uint32_t* const CRCDest)
+{
+	*CRCDest = 0;
+
+	/* Wait until the NVM controller is no longer busy */
+	if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Set the NVM command to the correct CRC read command */
+	XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+	XPROGTarget_SendByte(CRCCommand);
+
+	/* Set CMDEX bit in NVM CTRLA register to start the CRC generation */
+	XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
+	XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
+
+	/* Wait until the NVM bus is ready again */
+	if (!(XMEGANVM_WaitWhileNVMBusBusy()))
+	  return false;
+
+	/* Wait until the NVM controller is no longer busy */
+	if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Load the PDI pointer register with the DAT0 register start address */
+	XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_DAT0);
+
+	/* Send the REPEAT command to grab the CRC bytes */
+	XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_1BYTE));
+	XPROGTarget_SendByte(XMEGA_CRC_LENGTH_BYTES - 1);
+
+	/* Read in the CRC bytes from the target */
+	XPROGTarget_SendByte(PDI_CMD_LD(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
+	for (uint8_t i = 0; i < XMEGA_CRC_LENGTH_BYTES; i++)
+	  ((uint8_t*)CRCDest)[i] = XPROGTarget_ReceiveByte();
+
+	return (TimeoutTicksRemaining > 0);
+}
+
+/** Reads memory from the target's memory spaces.
+ *
+ *  \param[in]  ReadAddress  Start address to read from within the target's address space
+ *  \param[out] ReadBuffer   Buffer to store read data into
+ *  \param[in]  ReadSize     Number of bytes to read
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool XMEGANVM_ReadMemory(const uint32_t ReadAddress,
+                         uint8_t* ReadBuffer,
+                         uint16_t ReadSize)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Send the READNVM command to the NVM controller for reading of an arbitrary location */
+	XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+	XPROGTarget_SendByte(XMEGA_NVM_CMD_READNVM);
+
+	if (ReadSize > 1)
+	{
+		/* Load the PDI pointer register with the start address we want to read from */
+		XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+		XMEGANVM_SendAddress(ReadAddress);
+
+		/* Send the REPEAT command with the specified number of bytes to read */
+		XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_1BYTE));
+		XPROGTarget_SendByte(ReadSize - 1);
+
+		/* Send a LD command with indirect access and post-increment to read out the bytes */
+		XPROGTarget_SendByte(PDI_CMD_LD(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
+		while (ReadSize-- && TimeoutTicksRemaining)
+		  *(ReadBuffer++) = XPROGTarget_ReceiveByte();
+	}
+	else
+	{
+		/* Send a LDS command with the read address to read out the requested byte */
+		XPROGTarget_SendByte(PDI_CMD_LDS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendAddress(ReadAddress);
+		*(ReadBuffer++) = XPROGTarget_ReceiveByte();
+	}
+
+	return (TimeoutTicksRemaining > 0);
+}
+
+/** Writes byte addressed memory to the target's memory spaces.
+ *
+ *  \param[in]  WriteCommand  Command to send to the device to write each memory byte
+ *  \param[in]  WriteAddress  Address to write to within the target's address space
+ *  \param[in]  Byte          Byte to write to the target
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand,
+                              const uint32_t WriteAddress,
+                              const uint8_t Byte)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* Send the memory write command to the target */
+	XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+	XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+	XPROGTarget_SendByte(WriteCommand);
+
+	/* Send new memory byte to the memory of the target */
+	XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+	XMEGANVM_SendAddress(WriteAddress);
+	XPROGTarget_SendByte(Byte);
+
+	return true;
+}
+
+/** Writes page addressed memory to the target's memory spaces.
+ *
+ *  \param[in]  WriteBuffCommand  Command to send to the device to write a byte to the memory page buffer
+ *  \param[in]  EraseBuffCommand  Command to send to the device to erase the memory page buffer
+ *  \param[in]  WritePageCommand  Command to send to the device to write the page buffer to the destination memory
+ *  \param[in]  PageMode          Bitfield indicating what operations need to be executed on the specified page
+ *  \param[in]  WriteAddress      Start address to write the page data to within the target's address space
+ *  \param[in]  WriteBuffer       Buffer to source data from
+ *  \param[in]  WriteSize         Number of bytes to write
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand,
+                              const uint8_t EraseBuffCommand,
+                              const uint8_t WritePageCommand,
+                              const uint8_t PageMode,
+                              const uint32_t WriteAddress,
+                              const uint8_t* WriteBuffer,
+                              uint16_t WriteSize)
+{
+	if (PageMode & XPROG_PAGEMODE_ERASE)
+	{
+		/* Wait until the NVM controller is no longer busy */
+		if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Send the memory buffer erase command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(EraseBuffCommand);
+
+		/* Set CMDEX bit in NVM CTRLA register to start the buffer erase */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
+		XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
+	}
+
+	if (WriteSize)
+	{
+		/* Wait until the NVM controller is no longer busy */
+		if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Send the memory buffer write command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(WriteBuffCommand);
+
+		/* Load the PDI pointer register with the start address we want to write to */
+		XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+		XMEGANVM_SendAddress(WriteAddress);
+
+		/* Send the REPEAT command with the specified number of bytes to write */
+		XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_1BYTE));
+		XPROGTarget_SendByte(WriteSize - 1);
+
+		/* Send a ST command with indirect access and post-increment to write the bytes */
+		XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
+		while (WriteSize--)
+		  XPROGTarget_SendByte(*(WriteBuffer++));
+	}
+
+	if (PageMode & XPROG_PAGEMODE_WRITE)
+	{
+		/* Wait until the NVM controller is no longer busy */
+		if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Send the memory write command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(WritePageCommand);
+
+		/* Send the address of the first page location to write the memory page */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendAddress(WriteAddress);
+		XPROGTarget_SendByte(0x00);
+	}
+
+	return true;
+}
+
+/** Erases a specific memory space of the target.
+ *
+ *  \param[in] EraseCommand  NVM erase command to send to the device
+ *  \param[in] Address       Address inside the memory space to erase
+ *
+ *  \return Boolean \c true if the command sequence complete successfully
+ */
+bool XMEGANVM_EraseMemory(const uint8_t EraseCommand,
+                          const uint32_t Address)
+{
+	/* Wait until the NVM controller is no longer busy */
+	if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+	  return false;
+
+	/* EEPROM and Chip erasures are triggered differently to FLASH section erasures */
+	if (EraseCommand == XMEGA_NVM_CMD_CHIPERASE)
+	{
+		/* Send the memory erase command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(EraseCommand);
+
+		/* Set CMDEX bit in NVM CTRLA register to start the erase sequence */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
+		XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
+	}
+	else if (EraseCommand == XMEGA_NVM_CMD_ERASEEEPROM)
+	{
+		/* Send the EEPROM page buffer erase command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF);
+
+		/* Set CMDEX bit in NVM CTRLA register to start the buffer erase */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
+		XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
+
+		/* Wait until the NVM controller is no longer busy */
+		if (!(XMEGANVM_WaitWhileNVMControllerBusy()))
+		  return false;
+
+		/* Send the EEPROM memory buffer write command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF);
+
+		/* Load the PDI pointer register with the EEPROM page start address */
+		XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_DIRECT, PDI_DATASIZE_4BYTES));
+		XMEGANVM_SendAddress(Address);
+
+		/* Send the REPEAT command with the specified number of bytes to write */
+		XPROGTarget_SendByte(PDI_CMD_REPEAT(PDI_DATASIZE_1BYTE));
+		XPROGTarget_SendByte(XPROG_Param_EEPageSize - 1);
+
+		/* Send a ST command with indirect access and post-increment to tag each byte in the EEPROM page buffer */
+		XPROGTarget_SendByte(PDI_CMD_ST(PDI_POINTER_INDIRECT_PI, PDI_DATASIZE_1BYTE));
+		for (uint8_t PageByte = 0; PageByte < XPROG_Param_EEPageSize; PageByte++)
+		  XPROGTarget_SendByte(0x00);
+
+		/* Send the memory erase command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(EraseCommand);
+
+		/* Set CMDEX bit in NVM CTRLA register to start the EEPROM erase sequence */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA);
+		XPROGTarget_SendByte(XMEGA_NVM_BIT_CTRLA_CMDEX);
+	}
+	else
+	{
+		/* Send the memory erase command to the target */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD);
+		XPROGTarget_SendByte(EraseCommand);
+
+		/* Other erase modes just need us to address a byte within the target memory space */
+		XPROGTarget_SendByte(PDI_CMD_STS(PDI_DATASIZE_4BYTES, PDI_DATASIZE_1BYTE));
+		XMEGANVM_SendAddress(Address);
+		XPROGTarget_SendByte(0x00);
+	}
+
+	/* Wait until the NVM bus is ready again */
+	if (!(XMEGANVM_WaitWhileNVMBusBusy()))
+	  return false;
+
+	return true;
+}
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.h b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.h
new file mode 100644
index 0000000000..8a8c5b048a
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.h
@@ -0,0 +1,140 @@
+/*
+             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
+ *
+ *  Header file for XMEGANVM.c.
+ */
+
+#ifndef _XMEGA_NVM_
+#define _XMEGA_NVM_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/interrupt.h>
+		#include <stdbool.h>
+
+		#include <LUFA/Common/Common.h>
+
+		#include "XPROGProtocol.h"
+		#include "XPROGTarget.h"
+		#include "Config/AppConfig.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+
+			#if !defined(ENABLE_XPROG_PROTOCOL)
+				#define ENABLE_XPROG_PROTOCOL
+			#endif
+		#endif
+
+	/* Defines: */
+		#define XMEGA_CRC_LENGTH_BYTES               3
+
+		#define XMEGA_NVM_REG_ADDR0                  0x00
+		#define XMEGA_NVM_REG_ADDR1                  0x01
+		#define XMEGA_NVM_REG_ADDR2                  0x02
+		#define XMEGA_NVM_REG_DAT0                   0x04
+		#define XMEGA_NVM_REG_DAT1                   0x05
+		#define XMEGA_NVM_REG_DAT2                   0x06
+		#define XMEGA_NVM_REG_CMD                    0x0A
+		#define XMEGA_NVM_REG_CTRLA                  0x0B
+		#define XMEGA_NVM_REG_CTRLB                  0x0C
+		#define XMEGA_NVM_REG_INTCTRL                0x0D
+		#define XMEGA_NVM_REG_STATUS                 0x0F
+		#define XMEGA_NVM_REG_LOCKBITS               0x10
+
+		#define XMEGA_NVM_BIT_CTRLA_CMDEX            (1 << 0)
+
+		#define XMEGA_NVM_CMD_NOOP                   0x00
+		#define XMEGA_NVM_CMD_CHIPERASE              0x40
+		#define XMEGA_NVM_CMD_READNVM                0x43
+		#define XMEGA_NVM_CMD_LOADFLASHPAGEBUFF      0x23
+		#define XMEGA_NVM_CMD_ERASEFLASHPAGEBUFF     0x26
+		#define XMEGA_NVM_CMD_ERASEFLASHPAGE         0x2B
+		#define XMEGA_NVM_CMD_WRITEFLASHPAGE         0x2E
+		#define XMEGA_NVM_CMD_ERASEWRITEFLASH        0x2F
+		#define XMEGA_NVM_CMD_FLASHCRC               0x78
+		#define XMEGA_NVM_CMD_ERASEAPPSEC            0x20
+		#define XMEGA_NVM_CMD_ERASEAPPSECPAGE        0x22
+		#define XMEGA_NVM_CMD_WRITEAPPSECPAGE        0x24
+		#define XMEGA_NVM_CMD_ERASEWRITEAPPSECPAGE   0x25
+		#define XMEGA_NVM_CMD_APPCRC                 0x38
+		#define XMEGA_NVM_CMD_ERASEBOOTSEC           0x68
+		#define XMEGA_NVM_CMD_ERASEBOOTSECPAGE       0x2A
+		#define XMEGA_NVM_CMD_WRITEBOOTSECPAGE       0x2C
+		#define XMEGA_NVM_CMD_ERASEWRITEBOOTSECPAGE  0x2D
+		#define XMEGA_NVM_CMD_BOOTCRC                0x39
+		#define XMEGA_NVM_CMD_READUSERSIG            0x03
+		#define XMEGA_NVM_CMD_ERASEUSERSIG           0x18
+		#define XMEGA_NVM_CMD_WRITEUSERSIG           0x1A
+		#define XMEGA_NVM_CMD_READCALIBRATION        0x02
+		#define XMEGA_NVM_CMD_READFUSE               0x07
+		#define XMEGA_NVM_CMD_WRITEFUSE              0x4C
+		#define XMEGA_NVM_CMD_WRITELOCK              0x08
+		#define XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF     0x33
+		#define XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF    0x36
+		#define XMEGA_NVM_CMD_ERASEEEPROM            0x30
+		#define XMEGA_NVM_CMD_ERASEEEPROMPAGE        0x32
+		#define XMEGA_NVM_CMD_WRITEEEPROMPAGE        0x34
+		#define XMEGA_NVM_CMD_ERASEWRITEEEPROMPAGE   0x35
+		#define XMEGA_NVM_CMD_READEEPROM             0x06
+
+	/* Function Prototypes: */
+		bool XMEGANVM_WaitWhileNVMBusBusy(void);
+		bool XMEGANVM_WaitWhileNVMControllerBusy(void);
+		bool XMEGANVM_EnablePDI(void);
+		void XMEGANVM_DisablePDI(void);
+		bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand,
+			                       uint32_t* const CRCDest);
+		bool XMEGANVM_ReadMemory(const uint32_t ReadAddress,
+		                         uint8_t* ReadBuffer,
+		                         uint16_t ReadSize);
+		bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand,
+		                              const uint32_t WriteAddress,
+		                              const uint8_t Byte);
+		bool XMEGANVM_WritePageMemory(const uint8_t WriteBuffCommand,
+		                              const uint8_t EraseBuffCommand,
+		                              const uint8_t WritePageCommand,
+		                              const uint8_t PageMode,
+		                              const uint32_t WriteAddress,
+		                              const uint8_t* WriteBuffer,
+		                              uint16_t WriteSize);
+		bool XMEGANVM_EraseMemory(const uint8_t EraseCommand,
+		                          const uint32_t Address);
+
+		#if defined(INCLUDE_FROM_XMEGANVM_C)
+			static void XMEGANVM_SendNVMRegAddress(const uint8_t Register);
+			static void XMEGANVM_SendAddress(const uint32_t AbsoluteAddress);
+		#endif
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c
new file mode 100644
index 0000000000..aa5503f3ff
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c
@@ -0,0 +1,480 @@
+/*
+             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
+ *
+ *  XPROG Protocol handler, to process V2 Protocol wrapped XPROG commands used in Atmel programmer devices.
+ */
+
+#define  INCLUDE_FROM_XPROGPROTOCOL_C
+#include "XPROGProtocol.h"
+
+#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
+/** Base absolute address for the target's NVM controller for PDI programming */
+uint32_t XPROG_Param_NVMBase       = 0x010001C0;
+
+/** Size in bytes of the target's EEPROM page */
+uint16_t XPROG_Param_EEPageSize    = 32;
+
+/** Address of the TPI device's NVMCMD register for TPI programming */
+uint8_t  XPROG_Param_NVMCMDRegAddr = 0x33;
+
+/** Address of the TPI device's NVMCSR register for TPI programming */
+uint8_t  XPROG_Param_NVMCSRRegAddr = 0x32;
+
+/** Currently selected XPROG programming protocol */
+uint8_t  XPROG_SelectedProtocol    = XPROG_PROTOCOL_PDI;
+
+/** Handler for the CMD_XPROG_SETMODE command, which sets the programmer-to-target protocol used for PDI/TPI
+ *  programming.
+ */
+void XPROGProtocol_SetMode(void)
+{
+	struct
+	{
+		uint8_t Protocol;
+	} SetMode_XPROG_Params;
+
+	Endpoint_Read_Stream_LE(&SetMode_XPROG_Params, sizeof(SetMode_XPROG_Params), NULL);
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	XPROG_SelectedProtocol = SetMode_XPROG_Params.Protocol;
+
+	Endpoint_Write_8(CMD_XPROG_SETMODE);
+	Endpoint_Write_8((SetMode_XPROG_Params.Protocol != XPROG_PROTOCOL_JTAG) ? STATUS_CMD_OK : STATUS_CMD_FAILED);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_XPROG command, which wraps up XPROG commands in a V2 wrapper which need to be
+ *  removed and processed so that the underlying XPROG command can be handled.
+ */
+void XPROGProtocol_Command(void)
+{
+	uint8_t XPROGCommand = Endpoint_Read_8();
+
+	switch (XPROGCommand)
+	{
+		case XPROG_CMD_ENTER_PROGMODE:
+			XPROGProtocol_EnterXPROGMode();
+			break;
+		case XPROG_CMD_LEAVE_PROGMODE:
+			XPROGProtocol_LeaveXPROGMode();
+			break;
+		case XPROG_CMD_ERASE:
+			XPROGProtocol_Erase();
+			break;
+		case XPROG_CMD_WRITE_MEM:
+			XPROGProtocol_WriteMemory();
+			break;
+		case XPROG_CMD_READ_MEM:
+			XPROGProtocol_ReadMemory();
+			break;
+		case XPROG_CMD_CRC:
+			XPROGProtocol_ReadCRC();
+			break;
+		case XPROG_CMD_SET_PARAM:
+			XPROGProtocol_SetParam();
+			break;
+	}
+}
+
+/** Handler for the XPROG ENTER_PROGMODE command to establish a connection with the attached device. */
+static void XPROGProtocol_EnterXPROGMode(void)
+{
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	bool NVMBusEnabled = false;
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	  NVMBusEnabled = XMEGANVM_EnablePDI();
+	else if (XPROG_SelectedProtocol == XPROG_PROTOCOL_TPI)
+	  NVMBusEnabled = TINYNVM_EnableTPI();
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_ENTER_PROGMODE);
+	Endpoint_Write_8(NVMBusEnabled ? XPROG_ERR_OK : XPROG_ERR_FAILED);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPROG LEAVE_PROGMODE command to terminate the PDI programming connection with
+ *  the attached device.
+ */
+static void XPROGProtocol_LeaveXPROGMode(void)
+{
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	  XMEGANVM_DisablePDI();
+	else
+	  TINYNVM_DisableTPI();
+
+	#if defined(XCK_RESCUE_CLOCK_ENABLE) && defined(ENABLE_ISP_PROTOCOL)
+	/* If the XCK rescue clock option is enabled, we need to restart it once the
+	 * XPROG mode has been exited, since the XPROG protocol stops it after use. */
+	ISPTarget_ConfigureRescueClock();
+	#endif
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_LEAVE_PROGMODE);
+	Endpoint_Write_8(XPROG_ERR_OK);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPRG ERASE command to erase a specific memory address space in the attached device. */
+static void XPROGProtocol_Erase(void)
+{
+	uint8_t ReturnStatus = XPROG_ERR_OK;
+
+	struct
+	{
+		uint8_t  MemoryType;
+		uint32_t Address;
+	} Erase_XPROG_Params;
+
+	Endpoint_Read_Stream_LE(&Erase_XPROG_Params, sizeof(Erase_XPROG_Params), NULL);
+	Erase_XPROG_Params.Address = SwapEndian_32(Erase_XPROG_Params.Address);
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint8_t EraseCommand;
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	{
+		/* Determine which NVM command to send to the device depending on the memory to erase */
+		switch (Erase_XPROG_Params.MemoryType)
+		{
+			case XPROG_ERASE_CHIP:
+				EraseCommand = XMEGA_NVM_CMD_CHIPERASE;
+				break;
+			case XPROG_ERASE_APP:
+				EraseCommand = XMEGA_NVM_CMD_ERASEAPPSEC;
+				break;
+			case XPROG_ERASE_BOOT:
+				EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSEC;
+				break;
+			case XPROG_ERASE_EEPROM:
+				EraseCommand = XMEGA_NVM_CMD_ERASEEEPROM;
+				break;
+			case XPROG_ERASE_APP_PAGE:
+				EraseCommand = XMEGA_NVM_CMD_ERASEAPPSECPAGE;
+				break;
+			case XPROG_ERASE_BOOT_PAGE:
+				EraseCommand = XMEGA_NVM_CMD_ERASEBOOTSECPAGE;
+				break;
+			case XPROG_ERASE_EEPROM_PAGE:
+				EraseCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGE;
+				break;
+			case XPROG_ERASE_USERSIG:
+				EraseCommand = XMEGA_NVM_CMD_ERASEUSERSIG;
+				break;
+			default:
+				EraseCommand = XMEGA_NVM_CMD_NOOP;
+				break;
+		}
+
+		/* Erase the target memory, indicate timeout if occurred */
+		if (!(XMEGANVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address)))
+		  ReturnStatus = XPROG_ERR_TIMEOUT;
+	}
+	else
+	{
+		if (Erase_XPROG_Params.MemoryType == XPROG_ERASE_CHIP)
+		  EraseCommand = TINY_NVM_CMD_CHIPERASE;
+		else
+		  EraseCommand = TINY_NVM_CMD_SECTIONERASE;
+
+		/* Erase the target memory, indicate timeout if occurred */
+		if (!(TINYNVM_EraseMemory(EraseCommand, Erase_XPROG_Params.Address)))
+		  ReturnStatus = XPROG_ERR_TIMEOUT;
+	}
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_ERASE);
+	Endpoint_Write_8(ReturnStatus);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPROG WRITE_MEMORY command to write to a specific memory space within the attached device. */
+static void XPROGProtocol_WriteMemory(void)
+{
+	uint8_t ReturnStatus = XPROG_ERR_OK;
+
+	struct
+	{
+		uint8_t  MemoryType;
+		uint8_t  PageMode;
+		uint32_t Address;
+		uint16_t Length;
+		uint8_t  ProgData[256];
+	} WriteMemory_XPROG_Params;
+
+	Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params, (sizeof(WriteMemory_XPROG_Params) -
+	                                                    sizeof(WriteMemory_XPROG_Params).ProgData), NULL);
+	WriteMemory_XPROG_Params.Address = SwapEndian_32(WriteMemory_XPROG_Params.Address);
+	WriteMemory_XPROG_Params.Length  = SwapEndian_16(WriteMemory_XPROG_Params.Length);
+	Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length, NULL);
+
+	// The driver will terminate transfers that are a round multiple of the endpoint bank in size with a ZLP, need
+	// to catch this and discard it before continuing on with packet processing to prevent communication issues
+	if (((sizeof(uint8_t) + sizeof(WriteMemory_XPROG_Params) - sizeof(WriteMemory_XPROG_Params.ProgData)) +
+	    WriteMemory_XPROG_Params.Length) % AVRISP_DATA_EPSIZE == 0)
+	{
+		Endpoint_ClearOUT();
+		Endpoint_WaitUntilReady();
+	}
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	{
+		/* Assume FLASH page programming by default, as it is the common case */
+		uint8_t WriteCommand     = XMEGA_NVM_CMD_WRITEFLASHPAGE;
+		uint8_t WriteBuffCommand = XMEGA_NVM_CMD_LOADFLASHPAGEBUFF;
+		uint8_t EraseBuffCommand = XMEGA_NVM_CMD_ERASEFLASHPAGEBUFF;
+		bool    PagedMemory      = true;
+
+		switch (WriteMemory_XPROG_Params.MemoryType)
+		{
+			case XPROG_MEM_TYPE_APPL:
+				WriteCommand     = XMEGA_NVM_CMD_WRITEAPPSECPAGE;
+				break;
+			case XPROG_MEM_TYPE_BOOT:
+				WriteCommand     = XMEGA_NVM_CMD_WRITEBOOTSECPAGE;
+				break;
+			case XPROG_MEM_TYPE_EEPROM:
+				WriteCommand     = XMEGA_NVM_CMD_ERASEWRITEEEPROMPAGE;
+				WriteBuffCommand = XMEGA_NVM_CMD_LOADEEPROMPAGEBUFF;
+				EraseBuffCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF;
+				break;
+			case XPROG_MEM_TYPE_USERSIG:
+				WriteCommand     = XMEGA_NVM_CMD_WRITEUSERSIG;
+				break;
+			case XPROG_MEM_TYPE_FUSE:
+				WriteCommand     = XMEGA_NVM_CMD_WRITEFUSE;
+				PagedMemory      = false;
+				break;
+			case XPROG_MEM_TYPE_LOCKBITS:
+				WriteCommand     = XMEGA_NVM_CMD_WRITELOCK;
+				PagedMemory      = false;
+				break;
+		}
+
+		/* Send the appropriate memory write commands to the device, indicate timeout if occurred */
+		if ((PagedMemory && !(XMEGANVM_WritePageMemory(WriteBuffCommand, EraseBuffCommand, WriteCommand,
+													   WriteMemory_XPROG_Params.PageMode, WriteMemory_XPROG_Params.Address,
+													   WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length))) ||
+		   (!PagedMemory && !(XMEGANVM_WriteByteMemory(WriteCommand, WriteMemory_XPROG_Params.Address,
+													   WriteMemory_XPROG_Params.ProgData[0]))))
+		{
+			ReturnStatus = XPROG_ERR_TIMEOUT;
+		}
+	}
+	else
+	{
+		/* Send write command to the TPI device, indicate timeout if occurred */
+		if (!(TINYNVM_WriteMemory(WriteMemory_XPROG_Params.Address, WriteMemory_XPROG_Params.ProgData,
+		      WriteMemory_XPROG_Params.Length)))
+		{
+			ReturnStatus = XPROG_ERR_TIMEOUT;
+		}
+	}
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_WRITE_MEM);
+	Endpoint_Write_8(ReturnStatus);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPROG READ_MEMORY command to read data from a specific address space within the
+ *  attached device.
+ */
+static void XPROGProtocol_ReadMemory(void)
+{
+	uint8_t ReturnStatus = XPROG_ERR_OK;
+
+	struct
+	{
+		uint8_t  MemoryType;
+		uint32_t Address;
+		uint16_t Length;
+	} ReadMemory_XPROG_Params;
+
+	Endpoint_Read_Stream_LE(&ReadMemory_XPROG_Params, sizeof(ReadMemory_XPROG_Params), NULL);
+	ReadMemory_XPROG_Params.Address = SwapEndian_32(ReadMemory_XPROG_Params.Address);
+	ReadMemory_XPROG_Params.Length  = SwapEndian_16(ReadMemory_XPROG_Params.Length);
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint8_t ReadBuffer[256];
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	{
+		/* Read the PDI target's memory, indicate timeout if occurred */
+		if (!(XMEGANVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length)))
+		  ReturnStatus = XPROG_ERR_TIMEOUT;
+	}
+	else
+	{
+		/* Read the TPI target's memory, indicate timeout if occurred */
+		if (!(TINYNVM_ReadMemory(ReadMemory_XPROG_Params.Address, ReadBuffer, ReadMemory_XPROG_Params.Length)))
+		  ReturnStatus = XPROG_ERR_TIMEOUT;
+	}
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_READ_MEM);
+	Endpoint_Write_8(ReturnStatus);
+
+	if (ReturnStatus == XPROG_ERR_OK)
+	  Endpoint_Write_Stream_LE(ReadBuffer, ReadMemory_XPROG_Params.Length, NULL);
+
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPROG CRC command to read a specific memory space's CRC value for comparison between the
+ *  attached device's memory and a data set on the host.
+ */
+static void XPROGProtocol_ReadCRC(void)
+{
+	uint8_t ReturnStatus = XPROG_ERR_OK;
+
+	struct
+	{
+		uint8_t CRCType;
+	} ReadCRC_XPROG_Params;
+
+	Endpoint_Read_Stream_LE(&ReadCRC_XPROG_Params, sizeof(ReadCRC_XPROG_Params), NULL);
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint32_t MemoryCRC;
+
+	if (XPROG_SelectedProtocol == XPROG_PROTOCOL_PDI)
+	{
+		uint8_t CRCCommand;
+
+		/* Determine which NVM command to send to the device depending on the memory to CRC */
+		switch (ReadCRC_XPROG_Params.CRCType)
+		{
+			case XPROG_CRC_APP:
+				CRCCommand = XMEGA_NVM_CMD_APPCRC;
+				break;
+			case XPROG_CRC_BOOT:
+				CRCCommand = XMEGA_NVM_CMD_BOOTCRC;
+				break;
+			default:
+				CRCCommand = XMEGA_NVM_CMD_FLASHCRC;
+				break;
+		}
+
+		/* Perform and retrieve the memory CRC, indicate timeout if occurred */
+		if (!(XMEGANVM_GetMemoryCRC(CRCCommand, &MemoryCRC)))
+		  ReturnStatus = XPROG_ERR_TIMEOUT;
+	}
+	else
+	{
+		/* TPI does not support memory CRC */
+		ReturnStatus = XPROG_ERR_FAILED;
+	}
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_CRC);
+	Endpoint_Write_8(ReturnStatus);
+
+	if (ReturnStatus == XPROG_ERR_OK)
+	{
+		Endpoint_Write_8(MemoryCRC >> 16);
+		Endpoint_Write_16_LE(MemoryCRC & 0xFFFF);
+	}
+
+	Endpoint_ClearIN();
+}
+
+/** Handler for the XPROG SET_PARAM command to set a XPROG parameter for use when communicating with the
+ *  attached device.
+ */
+static void XPROGProtocol_SetParam(void)
+{
+	uint8_t ReturnStatus = XPROG_ERR_OK;
+
+	uint8_t XPROGParam = Endpoint_Read_8();
+
+	/* Determine which parameter is being set, store the new parameter value */
+	switch (XPROGParam)
+	{
+		case XPROG_PARAM_NVMBASE:
+			XPROG_Param_NVMBase       = Endpoint_Read_32_BE();
+			break;
+		case XPROG_PARAM_EEPPAGESIZE:
+			XPROG_Param_EEPageSize    = Endpoint_Read_16_BE();
+			break;
+		case XPROG_PARAM_NVMCMD_REG:
+			XPROG_Param_NVMCMDRegAddr = Endpoint_Read_8();
+			break;
+		case XPROG_PARAM_NVMCSR_REG:
+			XPROG_Param_NVMCSRRegAddr = Endpoint_Read_8();
+			break;
+		case XPROG_PARAM_UNKNOWN_1:
+			/* TODO: Undocumented parameter added in AVRStudio 5.1, purpose unknown. Must ACK and discard or
+			         the communication with AVRStudio 5.1 will fail.
+			*/
+			Endpoint_Discard_16();
+			break;
+		default:
+			ReturnStatus = XPROG_ERR_FAILED;
+			break;
+	}
+
+	Endpoint_ClearOUT();
+	Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPADDR);
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	Endpoint_Write_8(CMD_XPROG);
+	Endpoint_Write_8(XPROG_CMD_SET_PARAM);
+	Endpoint_Write_8(ReturnStatus);
+	Endpoint_ClearIN();
+}
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.h b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.h
new file mode 100644
index 0000000000..e35a1e4a19
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.h
@@ -0,0 +1,136 @@
+/*
+             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
+ *
+ *  Header file for XPROGProtocol.c.
+ */
+
+#ifndef _XPROG_PROTOCOL_
+#define _XPROG_PROTOCOL_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <util/delay.h>
+		#include <stdio.h>
+
+		#include <LUFA/Drivers/USB/USB.h>
+
+		#include "../V2Protocol.h"
+		#include "XMEGANVM.h"
+		#include "TINYNVM.h"
+		#include "Config/AppConfig.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			/* On the XPLAIN board, we only need PDI programming
+			   for the ATXMEGA128A1 - disable ISP to prevent hardware
+			   damage and force-enable XPROG.
+			 */
+			#undef ENABLE_ISP_PROTOCOL
+
+			#if !defined(ENABLE_XPROG_PROTOCOL)
+				#define ENABLE_XPROG_PROTOCOL
+			#endif
+		#endif
+
+	/* Macros: */
+		#define XPROG_CMD_ENTER_PROGMODE             0x01
+		#define XPROG_CMD_LEAVE_PROGMODE             0x02
+		#define XPROG_CMD_ERASE                      0x03
+		#define XPROG_CMD_WRITE_MEM                  0x04
+		#define XPROG_CMD_READ_MEM                   0x05
+		#define XPROG_CMD_CRC                        0x06
+		#define XPROG_CMD_SET_PARAM                  0x07
+
+		#define XPROG_MEM_TYPE_APPL                  1
+		#define XPROG_MEM_TYPE_BOOT                  2
+		#define XPROG_MEM_TYPE_EEPROM                3
+		#define XPROG_MEM_TYPE_FUSE                  4
+		#define XPROG_MEM_TYPE_LOCKBITS              5
+		#define XPROG_MEM_TYPE_USERSIG               6
+		#define XPROG_MEM_TYPE_FACTORY_CALIBRATION   7
+
+		#define XPROG_ERASE_CHIP                     1
+		#define XPROG_ERASE_APP                      2
+		#define XPROG_ERASE_BOOT                     3
+		#define XPROG_ERASE_EEPROM                   4
+		#define XPROG_ERASE_APP_PAGE                 5
+		#define XPROG_ERASE_BOOT_PAGE                6
+		#define XPROG_ERASE_EEPROM_PAGE              7
+		#define XPROG_ERASE_USERSIG                  8
+
+		#define XPROG_MEM_WRITE_ERASE                0
+		#define XPROG_MEM_WRITE_WRITE                1
+
+		#define XPROG_CRC_APP                        1
+		#define XPROG_CRC_BOOT                       2
+		#define XPROG_CRC_FLASH                      3
+
+		#define XPROG_ERR_OK                         0
+		#define XPROG_ERR_FAILED                     1
+		#define XPROG_ERR_COLLISION                  2
+		#define XPROG_ERR_TIMEOUT                    3
+
+		#define XPROG_PARAM_NVMBASE                  0x01
+		#define XPROG_PARAM_EEPPAGESIZE              0x02
+		#define XPROG_PARAM_NVMCMD_REG               0x03
+		#define XPROG_PARAM_NVMCSR_REG               0x04
+		#define XPROG_PARAM_UNKNOWN_1                0x05
+
+		#define XPROG_PROTOCOL_PDI                   0x00
+		#define XPROG_PROTOCOL_JTAG                  0x01
+		#define XPROG_PROTOCOL_TPI                   0x02
+
+		#define XPROG_PAGEMODE_WRITE                 (1 << 1)
+		#define XPROG_PAGEMODE_ERASE                 (1 << 0)
+
+	/* External Variables: */
+		extern uint32_t XPROG_Param_NVMBase;
+		extern uint16_t XPROG_Param_EEPageSize;
+		extern uint8_t  XPROG_Param_NVMCSRRegAddr;
+		extern uint8_t  XPROG_Param_NVMCMDRegAddr;
+
+	/* Function Prototypes: */
+		void XPROGProtocol_SetMode(void);
+		void XPROGProtocol_Command(void);
+
+		#if (defined(INCLUDE_FROM_XPROGPROTOCOL_C) && defined(ENABLE_XPROG_PROTOCOL))
+			static void XPROGProtocol_EnterXPROGMode(void);
+			static void XPROGProtocol_LeaveXPROGMode(void);
+			static void XPROGProtocol_SetParam(void);
+			static void XPROGProtocol_Erase(void);
+			static void XPROGProtocol_WriteMemory(void);
+			static void XPROGProtocol_ReadMemory(void);
+			static void XPROGProtocol_ReadCRC(void);
+		#endif
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
new file mode 100644
index 0000000000..0455329c3d
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
@@ -0,0 +1,209 @@
+/*
+             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
+ *
+ *  Target-related functions for the PDI Protocol decoder.
+ */
+
+#define  INCLUDE_FROM_XPROGTARGET_C
+#include "XPROGTarget.h"
+
+#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
+
+/** Flag to indicate if the USART is currently in Tx or Rx mode. */
+bool IsSending;
+
+/** Enables the target's PDI interface, holding the target in reset until PDI mode is exited. */
+void XPROGTarget_EnableTargetPDI(void)
+{
+	IsSending = false;
+
+	/* Set Tx and XCK as outputs, Rx as input */
+	DDRD |=  (1 << 5) | (1 << 3);
+	DDRD &= ~(1 << 2);
+
+	/* Set DATA line high for at least 90ns to disable /RESET functionality */
+	PORTD |= (1 << 3);
+	_delay_us(100);
+
+	/* Set up the synchronous USART for XMEGA communications - 8 data bits, even parity, 2 stop bits */
+	UBRR1  = ((F_CPU / 2 / XPROG_HARDWARE_SPEED) - 1);
+	UCSR1B = (1 << TXEN1);
+	UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
+
+	/* Send two IDLEs of 12 bits each to enable PDI interface (need at least 16 idle bits) */
+	XPROGTarget_SendIdle();
+	XPROGTarget_SendIdle();
+}
+
+/** Enables the target's TPI interface, holding the target in reset until TPI mode is exited. */
+void XPROGTarget_EnableTargetTPI(void)
+{
+	IsSending = false;
+
+	/* Set /RESET line low for at least 400ns to enable TPI functionality */
+	AUX_LINE_DDR  |=  AUX_LINE_MASK;
+	AUX_LINE_PORT &= ~AUX_LINE_MASK;
+	_delay_us(100);
+
+	/* Set Tx and XCK as outputs, Rx as input */
+	DDRD |=  (1 << 5) | (1 << 3);
+	DDRD &= ~(1 << 2);
+
+	/* Set up the synchronous USART for TPI communications - 8 data bits, even parity, 2 stop bits */
+	UBRR1  = ((F_CPU / 2 / XPROG_HARDWARE_SPEED) - 1);
+	UCSR1B = (1 << TXEN1);
+	UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
+
+	/* Send two IDLEs of 12 bits each to enable TPI interface (need at least 16 idle bits) */
+	XPROGTarget_SendIdle();
+	XPROGTarget_SendIdle();
+}
+
+/** Disables the target's PDI interface, exits programming mode and starts the target's application. */
+void XPROGTarget_DisableTargetPDI(void)
+{
+	/* Switch to Rx mode to ensure that all pending transmissions are complete */
+	if (IsSending)
+	  XPROGTarget_SetRxMode();
+
+	/* Turn off receiver and transmitter of the USART, clear settings */
+	UCSR1A  = ((1 << TXC1) | (1 << RXC1));
+	UCSR1B  = 0;
+	UCSR1C  = 0;
+
+	/* Tristate all pins */
+	DDRD  &= ~((1 << 5) | (1 << 3));
+	PORTD &= ~((1 << 5) | (1 << 3) | (1 << 2));
+}
+
+/** Disables the target's TPI interface, exits programming mode and starts the target's application. */
+void XPROGTarget_DisableTargetTPI(void)
+{
+	/* Switch to Rx mode to ensure that all pending transmissions are complete */
+	if (IsSending)
+	  XPROGTarget_SetRxMode();
+
+	/* Turn off receiver and transmitter of the USART, clear settings */
+	UCSR1A |= (1 << TXC1) | (1 << RXC1);
+	UCSR1B  = 0;
+	UCSR1C  = 0;
+
+	/* Set all USART lines as inputs, tristate */
+	DDRD  &= ~((1 << 5) | (1 << 3));
+	PORTD &= ~((1 << 5) | (1 << 3) | (1 << 2));
+
+	/* Tristate target /RESET line */
+	AUX_LINE_DDR  &= ~AUX_LINE_MASK;
+	AUX_LINE_PORT &= ~AUX_LINE_MASK;
+}
+
+/** Sends a byte via the USART.
+ *
+ *  \param[in] Byte  Byte to send through the USART
+ */
+void XPROGTarget_SendByte(const uint8_t Byte)
+{
+	/* Switch to Tx mode if currently in Rx mode */
+	if (!(IsSending))
+	  XPROGTarget_SetTxMode();
+
+	/* Wait until there is space in the hardware Tx buffer before writing */
+	while (!(UCSR1A & (1 << UDRE1)));
+	UCSR1A |= (1 << TXC1);
+	UDR1    = Byte;
+}
+
+/** Receives a byte via the hardware USART, blocking until data is received or timeout expired.
+ *
+ *  \return Received byte from the USART
+ */
+uint8_t XPROGTarget_ReceiveByte(void)
+{
+	/* Switch to Rx mode if currently in Tx mode */
+	if (IsSending)
+	  XPROGTarget_SetRxMode();
+
+	/* Wait until a byte has been received before reading */
+	while (!(UCSR1A & (1 << RXC1)) && TimeoutTicksRemaining);
+
+	return UDR1;
+}
+
+/** Sends an IDLE via the USART to the attached target, consisting of a full frame of idle bits. */
+void XPROGTarget_SendIdle(void)
+{
+	/* Switch to Tx mode if currently in Rx mode */
+	if (!(IsSending))
+	  XPROGTarget_SetTxMode();
+
+	/* Need to do nothing for a full frame to send an IDLE */
+	for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++)
+	{
+		/* Wait for a full cycle of the clock */
+		while (PIND & (1 << 5));
+		while (!(PIND & (1 << 5)));
+		while (PIND & (1 << 5));
+	}
+}
+
+static void XPROGTarget_SetTxMode(void)
+{
+	/* Wait for a full cycle of the clock */
+	while (PIND & (1 << 5));
+	while (!(PIND & (1 << 5)));
+	while (PIND & (1 << 5));
+
+	PORTD  |=  (1 << 3);
+	DDRD   |=  (1 << 3);
+
+	UCSR1B &= ~(1 << RXEN1);
+	UCSR1B |=  (1 << TXEN1);
+
+	IsSending = true;
+}
+
+static void XPROGTarget_SetRxMode(void)
+{
+	while (!(UCSR1A & (1 << TXC1)));
+	UCSR1A |=  (1 << TXC1);
+
+	UCSR1B &= ~(1 << TXEN1);
+	UCSR1B |=  (1 << RXEN1);
+
+	DDRD   &= ~(1 << 3);
+	PORTD  &= ~(1 << 3);
+
+	IsSending = false;
+}
+
+#endif
+
diff --git a/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
new file mode 100644
index 0000000000..1341384f2f
--- /dev/null
+++ b/lib/lufa/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
@@ -0,0 +1,136 @@
+/*
+             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
+ *
+ *  Header file for XPROGTarget.c.
+ */
+
+#ifndef _XPROG_TARGET_
+#define _XPROG_TARGET_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/interrupt.h>
+		#include <stdbool.h>
+
+		#include <LUFA/Common/Common.h>
+
+		#include "../V2Protocol.h"
+		#include "XPROGProtocol.h"
+		#include "Config/AppConfig.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+
+			#if !defined(ENABLE_XPROG_PROTOCOL)
+				#define ENABLE_XPROG_PROTOCOL
+			#endif
+		#endif
+
+		/** Serial carrier TPI/PDI speed in Hz, when hardware TPI/PDI mode is used. */
+		#define XPROG_HARDWARE_SPEED       2000000
+
+		/** Total number of bits in a single USART frame. */
+		#define BITS_IN_USART_FRAME        12
+
+ 		/** \name PDI Related Constants
+ 		 * @{
+ 		 */
+		#define PDI_CMD_LDS(AddressSize, DataSize)  (0x00 | (  AddressSize << 2) | DataSize)
+		#define PDI_CMD_LD(PointerAccess, DataSize) (0x20 | (PointerAccess << 2) | DataSize)
+		#define PDI_CMD_STS(AddressSize, DataSize)  (0x40 | (  AddressSize << 2) | DataSize)
+		#define PDI_CMD_ST(PointerAccess, DataSize) (0x60 | (PointerAccess << 2) | DataSize)
+		#define PDI_CMD_LDCS(PDIReg)                (0x80 | PDIReg)
+		#define PDI_CMD_REPEAT(DataSize)            (0xA0 | DataSize)
+		#define PDI_CMD_STCS(PDIReg)                (0xC0 | PDIReg)
+		#define PDI_CMD_KEY                         0xE0
+
+		#define PDI_REG_STATUS             0
+		#define PDI_REG_RESET              1
+		#define PDI_REG_CTRL               2
+
+		#define PDI_STATUS_NVM             (1 << 1)
+
+		#define PDI_RESET_KEY              0x59
+		#define PDI_NVMENABLE_KEY          (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
+
+		#define PDI_DATASIZE_1BYTE         0
+		#define PDI_DATASIZE_2BYTES        1
+		#define PDI_DATASIZE_3BYTES        2
+		#define PDI_DATASIZE_4BYTES        3
+
+		#define PDI_POINTER_INDIRECT       0
+		#define PDI_POINTER_INDIRECT_PI    1
+		#define PDI_POINTER_DIRECT         2
+ 		/** @} */
+
+ 		/** \name TPI Related Constants
+ 		 * @{
+ 		 */
+ 		#define TPI_CMD_SLD(PointerAccess) (0x20 | PointerAccess)
+		#define TPI_CMD_SST(PointerAccess) (0x60 | PointerAccess)
+		#define TPI_CMD_SSTPR              0x68
+		#define TPI_CMD_SIN(Address)       (0x10 | ((Address & 0x30) << 1) | (Address & 0x0F))
+		#define TPI_CMD_SOUT(Address)      (0x90 | ((Address & 0x30) << 1) | (Address & 0x0F))
+		#define TPI_CMD_SLDCS(TPIReg)      (0x80 | TPIReg)
+		#define TPI_CMD_SSTCS(TPIReg)      (0xC0 | TPIReg)
+		#define TPI_CMD_SKEY               0xE0
+
+		#define TPI_REG_STATUS             0x00
+		#define TPI_REG_CTRL               0x02
+		#define TPI_REG_ID                 0x0F
+
+		#define TPI_STATUS_NVM             (1 << 1)
+
+		#define TPI_NVMENABLE_KEY          (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
+
+		#define TPI_POINTER_INDIRECT       0
+		#define TPI_POINTER_INDIRECT_PI    4
+ 		/** @} */
+
+	/* Function Prototypes: */
+		void    XPROGTarget_EnableTargetPDI(void);
+		void    XPROGTarget_EnableTargetTPI(void);
+		void    XPROGTarget_DisableTargetPDI(void);
+		void    XPROGTarget_DisableTargetTPI(void);
+		void    XPROGTarget_SendByte(const uint8_t Byte);
+		uint8_t XPROGTarget_ReceiveByte(void);
+		void    XPROGTarget_SendIdle(void);
+		bool    XPROGTarget_WaitWhileNVMBusBusy(void);
+
+		#if (defined(INCLUDE_FROM_XPROGTARGET_C) && defined(ENABLE_XPROG_PROTOCOL))
+			static void XPROGTarget_SetTxMode(void);
+			static void XPROGTarget_SetRxMode(void);
+		#endif
+
+#endif
+