4 files changed, 849 insertions, 0 deletions
diff --git a/Projects/AVRISP/Lib/ISP/ISPProtocol.c b/Projects/AVRISP/Lib/ISP/ISPProtocol.c
new file mode 100644
index 000000000..e769cee8a
--- /dev/null
+++ b/Projects/AVRISP/Lib/ISP/ISPProtocol.c
@@ -0,0 +1,474 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  ISP Protocol handler, to process V2 Protocol wrapped ISP commands used in Atmel programmer devices.
+ */
+
+#include "ISPProtocol.h"
+
+#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__)
+
+/** Handler for the CMD_ENTER_PROGMODE_ISP command, which attempts to enter programming mode on
+ *  the attached device, returning success or failure back to the host.
+ */
+void ISPProtocol_EnterISPMode(void)
+{
+	struct
+	{
+		uint8_t TimeoutMS;
+		uint8_t PinStabDelayMS;
+		uint8_t ExecutionDelayMS;
+		uint8_t SynchLoops;
+		uint8_t ByteDelay;
+		uint8_t PollValue;
+		uint8_t PollIndex;
+		uint8_t EnterProgBytes[4];
+	} Enter_ISP_Params;
+	
+	Endpoint_Read_Stream_LE(&Enter_ISP_Params, sizeof(Enter_ISP_Params));
+
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint8_t ResponseStatus = STATUS_CMD_FAILED;
+	
+	CurrentAddress = 0;
+
+	ISPProtocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS); 
+	SPI_Init(ISPTarget_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
+		
+	while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
+	{
+		uint8_t ResponseBytes[4];
+
+		ISPTarget_ChangeTargetResetLine(true);
+		ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+
+		for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
+		{
+			ISPProtocol_DelayMS(Enter_ISP_Params.ByteDelay);
+			ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
+		}
+		
+		/* Check if polling disabled, or if the polled value matches the expected value */
+		if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue))
+		{
+			ResponseStatus = STATUS_CMD_OK;
+		}
+		else
+		{
+			ISPTarget_ChangeTargetResetLine(false);
+			ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
+		}
+	}
+
+	Endpoint_Write_Byte(CMD_ENTER_PROGMODE_ISP);
+	Endpoint_Write_Byte(ResponseStatus);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_LEAVE_ISP command, which releases the target from programming mode. */
+void ISPProtocol_LeaveISPMode(void)
+{
+	struct
+	{
+		uint8_t PreDelayMS;
+		uint8_t PostDelayMS;
+	} Leave_ISP_Params;
+
+	Endpoint_Read_Stream_LE(&Leave_ISP_Params, sizeof(Leave_ISP_Params));
+	
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	ISPProtocol_DelayMS(Leave_ISP_Params.PreDelayMS);
+	ISPTarget_ChangeTargetResetLine(false);
+	SPI_ShutDown();
+	ISPProtocol_DelayMS(Leave_ISP_Params.PostDelayMS);
+
+	Endpoint_Write_Byte(CMD_LEAVE_PROGMODE_ISP);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_PROGRAM_FLASH_ISP and CMD_PROGRAM_EEPROM_ISP commands, writing out bytes,
+ *  words or pages of data to the attached device.
+ *
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
+ */
+void ISPProtocol_ProgramMemory(uint8_t V2Command)
+{
+	struct
+	{
+		uint16_t BytesToWrite;
+		uint8_t  ProgrammingMode;
+		uint8_t  DelayMS;
+		uint8_t  ProgrammingCommands[3];
+		uint8_t  PollValue1;
+		uint8_t  PollValue2;
+		uint8_t  ProgData[256]; // Note, the Jungo driver has a very short ACK timeout period, need to buffer the
+	} Write_Memory_Params;      // whole page and ACK the packet as fast as possible to prevent it from aborting
+	
+	Endpoint_Read_Stream_LE(&Write_Memory_Params, (sizeof(Write_Memory_Params) -
+	                                               sizeof(Write_Memory_Params.ProgData)));
+
+
+	Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
+	
+	if (Write_Memory_Params.BytesToWrite > sizeof(Write_Memory_Params.ProgData))
+	{
+		Endpoint_ClearOUT();
+		Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+		Endpoint_Write_Byte(V2Command);
+		Endpoint_Write_Byte(STATUS_CMD_FAILED);
+		Endpoint_ClearIN();
+		return;
+	}
+	
+	Endpoint_Read_Stream_LE(&Write_Memory_Params.ProgData, Write_Memory_Params.BytesToWrite);
+
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint8_t  ProgrammingStatus = STATUS_CMD_OK;	
+	uint16_t PollAddress       = 0;
+	uint8_t  PollValue         = (V2Command == CMD_PROGRAM_FLASH_ISP) ? Write_Memory_Params.PollValue1 :
+	                                                                    Write_Memory_Params.PollValue2;
+	uint8_t* NextWriteByte = Write_Memory_Params.ProgData;
+
+	if (MustSetAddress)
+	{
+		if (CurrentAddress & (1UL << 31))
+		  ISPTarget_LoadExtendedAddress();
+
+		MustSetAddress = false;
+	}
+
+	if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK)
+	{
+		uint16_t StartAddress = (CurrentAddress & 0xFFFF);
+	
+		/* Paged mode memory programming */
+		for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
+		{
+			bool    IsOddByte   = (CurrentByte & 0x01);
+			uint8_t ByteToWrite = *(NextWriteByte++);
+		
+			if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+			  Write_Memory_Params.ProgrammingCommands[0] |=  READ_WRITE_HIGH_BYTE_MASK;
+			else
+			  Write_Memory_Params.ProgrammingCommands[0] &= ~READ_WRITE_HIGH_BYTE_MASK;
+			  
+			SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
+			SPI_SendByte(CurrentAddress >> 8);
+			SPI_SendByte(CurrentAddress & 0xFF);
+			SPI_SendByte(ByteToWrite);
+			
+			if (!(PollAddress) && (ByteToWrite != PollValue))
+			{
+				if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+				  Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
+				  
+				PollAddress = (CurrentAddress & 0xFFFF);				
+			}		
+
+			if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
+			  CurrentAddress++;
+		}
+		
+		/* If the current page must be committed, send the PROGRAM PAGE command to the target */
+		if (Write_Memory_Params.ProgrammingMode & PROG_MODE_COMMIT_PAGE_MASK)
+		{
+			SPI_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
+			SPI_SendByte(StartAddress >> 8);
+			SPI_SendByte(StartAddress & 0xFF);
+			SPI_SendByte(0x00);
+			
+			/* Check if polling is possible, if not switch to timed delay mode */
+			if (!(PollAddress))
+			{
+				Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_VALUE_MASK;
+				Write_Memory_Params.ProgrammingMode |=  PROG_MODE_PAGED_TIMEDELAY_MASK;				
+			}
+
+			ProgrammingStatus = ISPTarget_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
+			                                                  Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
+		}
+	}
+	else
+	{
+		/* Word/byte mode memory programming */
+		for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
+		{
+			bool    IsOddByte   = (CurrentByte & 0x01);
+			uint8_t ByteToWrite = *(NextWriteByte++);
+		
+			if (IsOddByte && (V2Command == CMD_READ_FLASH_ISP))
+			  Write_Memory_Params.ProgrammingCommands[0] |=  READ_WRITE_HIGH_BYTE_MASK;
+			else
+			  Write_Memory_Params.ProgrammingCommands[0] &= ~READ_WRITE_HIGH_BYTE_MASK;			
+			  
+			SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
+			SPI_SendByte(CurrentAddress >> 8);
+			SPI_SendByte(CurrentAddress & 0xFF);
+			SPI_SendByte(ByteToWrite);
+			
+			if (ByteToWrite != PollValue)
+			{
+				if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
+				  Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
+				  
+				PollAddress = (CurrentAddress & 0xFFFF);
+			}
+
+			if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
+			  CurrentAddress++;
+			
+			ProgrammingStatus = ISPTarget_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
+			                                                  Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
+			  
+			if (ProgrammingStatus != STATUS_CMD_OK)
+			  break;
+		}
+	}
+
+	Endpoint_Write_Byte(V2Command);
+	Endpoint_Write_Byte(ProgrammingStatus);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_READ_FLASH_ISP and CMD_READ_EEPROM_ISP commands, reading in bytes,
+ *  words or pages of data from the attached device.
+ *
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
+ */
+void ISPProtocol_ReadMemory(uint8_t V2Command)
+{
+	struct
+	{
+		uint16_t BytesToRead;
+		uint8_t  ReadMemoryCommand;
+	} Read_Memory_Params;
+	
+	Endpoint_Read_Stream_LE(&Read_Memory_Params, sizeof(Read_Memory_Params));
+	Read_Memory_Params.BytesToRead = SwapEndian_16(Read_Memory_Params.BytesToRead);
+	
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+	
+	Endpoint_Write_Byte(V2Command);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	
+	if (MustSetAddress)
+	{
+		if (CurrentAddress & (1UL << 31))
+		  ISPTarget_LoadExtendedAddress();
+
+		MustSetAddress = false;
+	}
+
+	for (uint16_t CurrentByte = 0; CurrentByte < Read_Memory_Params.BytesToRead; CurrentByte++)
+	{
+		bool IsOddByte = (CurrentByte & 0x01);
+
+		if (IsOddByte && (V2Command == CMD_READ_FLASH_ISP))
+		  Read_Memory_Params.ReadMemoryCommand |=  READ_WRITE_HIGH_BYTE_MASK;
+		else
+		  Read_Memory_Params.ReadMemoryCommand &= ~READ_WRITE_HIGH_BYTE_MASK;
+
+		SPI_SendByte(Read_Memory_Params.ReadMemoryCommand);
+		SPI_SendByte(CurrentAddress >> 8);
+		SPI_SendByte(CurrentAddress & 0xFF);
+		Endpoint_Write_Byte(SPI_ReceiveByte());
+		
+		/* Check if the endpoint bank is currently full */
+		if (!(Endpoint_IsReadWriteAllowed()))
+		{
+			Endpoint_ClearIN();
+			Endpoint_WaitUntilReady();
+		}
+		
+		if ((IsOddByte && (V2Command == CMD_READ_FLASH_ISP)) || (V2Command == CMD_READ_EEPROM_ISP))
+		  CurrentAddress++;
+	}
+
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+
+	bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
+	Endpoint_ClearIN();
+	
+	/* Ensure last packet is a short packet to terminate the transfer */
+	if (IsEndpointFull)
+	{
+		Endpoint_WaitUntilReady();	
+		Endpoint_ClearIN();
+		Endpoint_WaitUntilReady();	
+	}
+}
+
+/** Handler for the CMD_CHI_ERASE_ISP command, clearing the target's FLASH memory. */
+void ISPProtocol_ChipErase(void)
+{
+	struct
+	{
+		uint8_t EraseDelayMS;
+		uint8_t PollMethod;
+		uint8_t EraseCommandBytes[4];
+	} Erase_Chip_Params;
+	
+	Endpoint_Read_Stream_LE(&Erase_Chip_Params, sizeof(Erase_Chip_Params));
+	
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+	
+	uint8_t ResponseStatus = STATUS_CMD_OK;
+	
+	for (uint8_t SByte = 0; SByte < sizeof(Erase_Chip_Params.EraseCommandBytes); SByte++)
+	  SPI_SendByte(Erase_Chip_Params.EraseCommandBytes[SByte]);
+
+	if (!(Erase_Chip_Params.PollMethod))
+	  ISPProtocol_DelayMS(Erase_Chip_Params.EraseDelayMS);
+	else
+	  ResponseStatus = ISPTarget_WaitWhileTargetBusy();
+	  
+	Endpoint_Write_Byte(CMD_CHIP_ERASE_ISP);
+	Endpoint_Write_Byte(ResponseStatus);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_READ_FUSE_ISP, CMD_READ_LOCK_ISP, CMD_READ_SIGNATURE_ISP and CMD_READ_OSCCAL commands,
+ *  reading the requested configuration byte from the device.
+ *
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
+ */
+void ISPProtocol_ReadFuseLockSigOSCCAL(uint8_t V2Command)
+{
+	struct
+	{
+		uint8_t RetByte;
+		uint8_t ReadCommandBytes[4];
+	} Read_FuseLockSigOSCCAL_Params;
+	
+	Endpoint_Read_Stream_LE(&Read_FuseLockSigOSCCAL_Params, sizeof(Read_FuseLockSigOSCCAL_Params));
+
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	uint8_t ResponseBytes[4];
+		
+	for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
+	  ResponseBytes[RByte] = SPI_TransferByte(Read_FuseLockSigOSCCAL_Params.ReadCommandBytes[RByte]);
+		
+	Endpoint_Write_Byte(V2Command);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_Write_Byte(ResponseBytes[Read_FuseLockSigOSCCAL_Params.RetByte - 1]);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_WRITE_FUSE_ISP and CMD_WRITE_LOCK_ISP commands, writing the requested configuration
+ *  byte to the device.
+ *
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
+ */
+void ISPProtocol_WriteFuseLock(uint8_t V2Command)
+{
+	struct
+	{
+		uint8_t WriteCommandBytes[4];
+	} Write_FuseLockSig_Params;
+	
+	Endpoint_Read_Stream_LE(&Write_FuseLockSig_Params, sizeof(Write_FuseLockSig_Params));
+
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+
+	for (uint8_t SByte = 0; SByte < sizeof(Write_FuseLockSig_Params.WriteCommandBytes); SByte++)
+	  SPI_SendByte(Write_FuseLockSig_Params.WriteCommandBytes[SByte]);
+		
+	Endpoint_Write_Byte(V2Command);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_ClearIN();
+}
+
+/** Handler for the CMD_SPI_MULTI command, writing and reading arbitrary SPI data to and from the attached device. */
+void ISPProtocol_SPIMulti(void)
+{
+	struct
+	{
+		uint8_t TxBytes;
+		uint8_t RxBytes;
+		uint8_t RxStartAddr;
+		uint8_t TxData[255];
+	} SPI_Multi_Params;
+	
+	Endpoint_Read_Stream_LE(&SPI_Multi_Params, sizeof(SPI_Multi_Params) - sizeof(SPI_Multi_Params.TxData));
+	Endpoint_Read_Stream_LE(&SPI_Multi_Params.TxData, SPI_Multi_Params.TxBytes);
+	
+	Endpoint_ClearOUT();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
+	
+	Endpoint_Write_Byte(CMD_SPI_MULTI);
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+
+	uint8_t CurrTxPos = 0;
+	uint8_t CurrRxPos = 0;
+
+	/* Write out bytes to transmit until the start of the bytes to receive is met */
+	while (CurrTxPos < SPI_Multi_Params.RxStartAddr)
+	{
+		if (CurrTxPos < SPI_Multi_Params.TxBytes)
+		  SPI_SendByte(SPI_Multi_Params.TxData[CurrTxPos]);
+		else
+		  SPI_SendByte(0);
+		
+		CurrTxPos++;
+	}
+
+	/* Transmit remaining bytes with padding as needed, read in response bytes */
+	while (CurrRxPos < SPI_Multi_Params.RxBytes)
+	{
+		if (CurrTxPos < SPI_Multi_Params.TxBytes)
+		  Endpoint_Write_Byte(SPI_TransferByte(SPI_Multi_Params.TxData[CurrTxPos++]));
+		else
+		  Endpoint_Write_Byte(SPI_ReceiveByte());
+		
+		CurrRxPos++;
+	}	
+	
+	Endpoint_Write_Byte(STATUS_CMD_OK);
+	Endpoint_ClearIN();
+}
+
+#endif
+\ No newline at end of file
diff --git a/Projects/AVRISP/Lib/ISP/ISPProtocol.h b/Projects/AVRISP/Lib/ISP/ISPProtocol.h
new file mode 100644
index 000000000..85a669a4e
--- /dev/null
+++ b/Projects/AVRISP/Lib/ISP/ISPProtocol.h
@@ -0,0 +1,97 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Header file for ISPProtocol.c.
+ */
+
+#ifndef _ISP_PROTOCOL_
+#define _ISP_PROTOCOL_
+
+	/* Includes: */
+		#include <avr/io.h>
+		
+		#include "V2Protocol.h"
+		
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+			#undef ENABLE_TPI_PROTOCOL
+			
+			#if !defined(ENABLE_PDI_PROTOCOL)
+				#define ENABLE_PDI_PROTOCOL
+			#endif
+		#endif
+
+	/* Macros: */
+		/** Mask for the reading or writing of the high byte in a FLASH word when issuing a low-level programming command */
+		#define READ_WRITE_HIGH_BYTE_MASK       (1 << 3)
+
+		#define PROG_MODE_PAGED_WRITES_MASK     (1 << 0)
+		#define PROG_MODE_WORD_TIMEDELAY_MASK   (1 << 1)
+		#define PROG_MODE_WORD_VALUE_MASK       (1 << 2)
+		#define PROG_MODE_WORD_READYBUSY_MASK   (1 << 3)
+		#define PROG_MODE_PAGED_TIMEDELAY_MASK  (1 << 4)
+		#define PROG_MODE_PAGED_VALUE_MASK      (1 << 5)
+		#define PROG_MODE_PAGED_READYBUSY_MASK  (1 << 6)
+		#define PROG_MODE_COMMIT_PAGE_MASK      (1 << 7)
+
+	/* Inline Functions: */
+		/** Blocking delay for a given number of milliseconds, via a hardware timer.
+		 *
+		 *  \param[in] DelayMS  Number of milliseconds to delay for
+		 */
+		static inline void ISPProtocol_DelayMS(uint8_t DelayMS)
+		{
+			TCNT0 = 0;
+			TIFR0 = (1 << OCF1A);
+
+			while (DelayMS)
+			{
+				if (TIFR0 & (1 << OCF1A))
+				{
+					TIFR0 = (1 << OCF1A);
+					DelayMS--;
+				}
+			}
+		}
+
+	/* Function Prototypes: */
+		void ISPProtocol_EnterISPMode(void);
+		void ISPProtocol_LeaveISPMode(void);
+		void ISPProtocol_ProgramMemory(const uint8_t V2Command);
+		void ISPProtocol_ReadMemory(const uint8_t V2Command);
+		void ISPProtocol_ChipErase(void);
+		void ISPProtocol_ReadFuseLockSigOSCCAL(const uint8_t V2Command);
+		void ISPProtocol_WriteFuseLock(const uint8_t V2Command);
+		void ISPProtocol_SPIMulti(void);
+
+#endif
diff --git a/Projects/AVRISP/Lib/ISP/ISPTarget.c b/Projects/AVRISP/Lib/ISP/ISPTarget.c
new file mode 100644
index 000000000..e99e3e53c
--- /dev/null
+++ b/Projects/AVRISP/Lib/ISP/ISPTarget.c
@@ -0,0 +1,202 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Target-related functions for the ISP Protocol decoder.
+ */
+
+#include "ISPTarget.h"
+
+#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__)
+
+/** Converts the given AVR Studio SCK duration parameter (set by a SET PARAM command from the host) to the nearest
+ *  possible SPI clock prescaler mask for passing to the SPI_Init() routine.
+ *
+ *  \return Nearest SPI prescaler mask for the given SCK frequency
+ */
+uint8_t ISPTarget_GetSPIPrescalerMask(void)
+{
+	static const uint8_t SPIMaskFromSCKDuration[] =
+	{
+	#if (F_CPU == 8000000)
+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   8MHz SPI, Actual =   4MHz SPI
+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   4MHz SPI, Actual =   4MHz SPI
+		SPI_SPEED_FCPU_DIV_4,    // AVRStudio =   2MHz SPI, Actual =   2MHz SPI
+		SPI_SPEED_FCPU_DIV_8,    // AVRStudio =   1MHz SPI, Actual =   1MHz SPI
+		SPI_SPEED_FCPU_DIV_16,   // AVRStudio = 500KHz SPI, Actual = 500KHz SPI
+		SPI_SPEED_FCPU_DIV_32,   // AVRStudio = 250KHz SPI, Actual = 250KHz SPI
+		SPI_SPEED_FCPU_DIV_64    // AVRStudio = 125KHz SPI, Actual = 125KHz SPI	
+	#elif (F_CPU == 16000000)
+		SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   8MHz SPI, Actual =   8MHz SPI
+		SPI_SPEED_FCPU_DIV_4,    // AVRStudio =   4MHz SPI, Actual =   4MHz SPI
+		SPI_SPEED_FCPU_DIV_8,    // AVRStudio =   2MHz SPI, Actual =   2MHz SPI
+		SPI_SPEED_FCPU_DIV_16,   // AVRStudio =   1MHz SPI, Actual =   1MHz SPI
+		SPI_SPEED_FCPU_DIV_32,   // AVRStudio = 500KHz SPI, Actual = 500KHz SPI
+		SPI_SPEED_FCPU_DIV_64,   // AVRStudio = 250KHz SPI, Actual = 250KHz SPI		
+		SPI_SPEED_FCPU_DIV_128   // AVRStudio = 125KHz SPI, Actual = 125KHz SPI
+	#else
+		#error No SPI prescaler masks for chosen F_CPU speed.
+	#endif
+	};
+
+	uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
+
+	if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))
+	  SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);
+	  
+	return SPIMaskFromSCKDuration[SCKDuration];
+}
+
+/** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command.
+ *  When not asserted, the line is tristated so as not to interfere with normal device operation.
+ *
+ *  \param[in] ResetTarget Boolean true when the target should be held in reset, false otherwise
+ */
+void ISPTarget_ChangeTargetResetLine(const bool ResetTarget)
+{
+	if (ResetTarget)
+	{
+		RESET_LINE_DDR |= RESET_LINE_MASK;
+		
+		if (!(V2Params_GetParameterValue(PARAM_RESET_POLARITY)))
+		  RESET_LINE_PORT |= RESET_LINE_MASK;
+	}
+	else
+	{
+		RESET_LINE_DDR  &= ~RESET_LINE_MASK;
+		RESET_LINE_PORT &= ~RESET_LINE_MASK;
+	}
+}
+
+/** Waits until the last issued target memory programming command has completed, via the check mode given and using
+ *  the given parameters.
+ *
+ *  \param[in] ProgrammingMode  Programming mode used and completion check to use, a mask of PROG_MODE_* constants
+ *  \param[in] PollAddress  Memory address to poll for completion if polling check mode used
+ *  \param[in] PollValue  Poll value to check against if polling check mode used
+ *  \param[in] DelayMS  Milliseconds to delay before returning if delay check mode used
+ *  \param[in] ReadMemCommand  Device low-level READ MEMORY command to send if value check mode used
+ *
+ *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT or
+ *          \ref STATUS_CMD_TOUT otherwise
+ */
+uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint16_t PollAddress, const uint8_t PollValue,
+                                      const uint8_t DelayMS, const uint8_t ReadMemCommand)
+{
+	uint8_t ProgrammingStatus = STATUS_CMD_OK;
+
+	/* Determine method of Programming Complete check */
+	switch (ProgrammingMode & ~(PROG_MODE_PAGED_WRITES_MASK | PROG_MODE_COMMIT_PAGE_MASK))
+	{
+		case PROG_MODE_WORD_TIMEDELAY_MASK:
+		case PROG_MODE_PAGED_TIMEDELAY_MASK:
+			ISPProtocol_DelayMS(DelayMS);
+			break;
+		case PROG_MODE_WORD_VALUE_MASK:
+		case PROG_MODE_PAGED_VALUE_MASK:
+			TCNT0 = 0;
+			TIFR0 = (1 << OCF1A);
+			
+			uint8_t TimeoutMS = TARGET_BUSY_TIMEOUT_MS;
+
+			do
+			{
+				SPI_SendByte(ReadMemCommand);
+				SPI_SendByte(PollAddress >> 8);
+				SPI_SendByte(PollAddress & 0xFF);
+
+				if (TIFR0 & (1 << OCF1A))
+				{
+					TIFR0 = (1 << OCF1A);
+					TimeoutMS--;
+				}
+			}
+			while ((SPI_TransferByte(0x00) != PollValue) && TimeoutMS);
+
+			if (!(TimeoutMS))
+			 ProgrammingStatus = STATUS_CMD_TOUT;
+			
+			break;		
+		case PROG_MODE_WORD_READYBUSY_MASK:
+		case PROG_MODE_PAGED_READYBUSY_MASK:
+			ProgrammingStatus = ISPTarget_WaitWhileTargetBusy();
+			break;
+	}
+
+	return ProgrammingStatus;
+}
+
+/** Waits until the target has completed the last operation, by continuously polling the device's
+ *  BUSY flag until it is cleared, or until the \ref TARGET_BUSY_TIMEOUT_MS timeout period has expired.
+ *
+ *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT otherwise
+ */
+uint8_t ISPTarget_WaitWhileTargetBusy(void)
+{
+	TCNT0 = 0;
+	TIFR0 = (1 << OCF1A);
+			
+	uint8_t TimeoutMS = TARGET_BUSY_TIMEOUT_MS;
+	
+	do
+	{
+		SPI_SendByte(0xF0);
+		SPI_SendByte(0x00);
+
+		SPI_SendByte(0x00);
+
+		if (TIFR0 & (1 << OCF1A))
+		{
+			TIFR0 = (1 << OCF1A);
+			TimeoutMS--;
+		}
+	}
+	while ((SPI_ReceiveByte() & 0x01) && TimeoutMS);
+
+	if (!(TimeoutMS))
+	  return STATUS_RDY_BSY_TOUT;
+	else
+	  return STATUS_CMD_OK;
+}
+
+/** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the
+ *  64KB boundary. This sends the command with the correct address as indicated by the current address
+ *  pointer variable set by the host when a SET ADDRESS command is issued.
+ */
+void ISPTarget_LoadExtendedAddress(void)
+{
+	SPI_SendByte(0x4D);
+	SPI_SendByte(0x00);
+	SPI_SendByte((CurrentAddress & 0x00FF0000) >> 16);
+	SPI_SendByte(0x00);	
+}
+
+#endif
diff --git a/Projects/AVRISP/Lib/ISP/ISPTarget.h b/Projects/AVRISP/Lib/ISP/ISPTarget.h
new file mode 100644
index 000000000..62d8bbb4b
--- /dev/null
+++ b/Projects/AVRISP/Lib/ISP/ISPTarget.h
@@ -0,0 +1,76 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Header file for ISPTarget.c.
+ */
+
+#ifndef _ISP_TARGET_
+#define _ISP_TARGET_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <util/delay.h>
+
+		#include <LUFA/Drivers/USB/USB.h>
+		#include <LUFA/Drivers/Peripheral/SPI.h>
+		
+		#include "../Descriptors.h"
+		#include "V2ProtocolConstants.h"
+		#include "V2ProtocolParams.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+			#undef ENABLE_TPI_PROTOCOL
+			
+			#if !defined(ENABLE_PDI_PROTOCOL)
+				#define ENABLE_PDI_PROTOCOL
+			#endif
+		#endif
+
+	/* Macros: */
+		/** Total number of allowable ISP programming speeds supported by the device */
+		#define TOTAL_ISP_PROGRAMMING_SPEEDS  7
+
+		/** Timeout in milliseconds of target busy-wait loops waiting for a command to complete */
+		#define TARGET_BUSY_TIMEOUT_MS        100
+
+	/* Function Prototypes: */
+		uint8_t ISPTarget_GetSPIPrescalerMask(void);
+		void    ISPTarget_ChangeTargetResetLine(const bool ResetTarget);
+		uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint16_t PollAddress,
+		                                      const uint8_t PollValue, const uint8_t DelayMS,
+		                                      const uint8_t ReadMemCommand);
+		uint8_t ISPTarget_WaitWhileTargetBusy(void);
+		void    ISPTarget_LoadExtendedAddress(void);
+
+#endif