diff --git a/Demos/Device/ClassDriver/MassStorage/MassStorage.c b/Demos/Device/ClassDriver/MassStorage/MassStorage.c
index 52ed2d93837c11b2829eb7b376eed76ddaa9b84d..4092680c48c66ef0a96234fa4455bad356793859 100644
--- a/Demos/Device/ClassDriver/MassStorage/MassStorage.c
+++ b/Demos/Device/ClassDriver/MassStorage/MassStorage.c
@@ -84,7 +84,8 @@ void SetupHardware(void)
 
 	/* Hardware Initialization */
 	LEDs_Init();
-	Dataflash_Init(SPI_SPEED_FCPU_DIV_2);
+	SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
+	Dataflash_Init();
 	USB_Init();
 
 	/* Clear Dataflash sector protections, if enabled */
diff --git a/Demos/Device/LowLevel/MassStorage/MassStorage.c b/Demos/Device/LowLevel/MassStorage/MassStorage.c
index 1a2d8d468a6f27de66c2e61aec9c34027bffb629..cf276fd81dc4c9f80ac52442fbdc2cb7b2c4b3d2 100644
--- a/Demos/Device/LowLevel/MassStorage/MassStorage.c
+++ b/Demos/Device/LowLevel/MassStorage/MassStorage.c
@@ -75,7 +75,8 @@ void SetupHardware(void)
 
 	/* Hardware Initialization */
 	LEDs_Init();
-	Dataflash_Init(SPI_SPEED_FCPU_DIV_2);
+	SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
+	Dataflash_Init();
 	USB_Init();
 
 	/* Clear Dataflash sector protections, if enabled */
diff --git a/LUFA/Drivers/Board/Dataflash.h b/LUFA/Drivers/Board/Dataflash.h
index acdcc4c40104a47b134b1381bb460d045d9de516..8c2b69d991dc362fe080a43784beaaf3202a17d5 100644
--- a/LUFA/Drivers/Board/Dataflash.h
+++ b/LUFA/Drivers/Board/Dataflash.h
@@ -164,17 +164,13 @@
 			#endif
 		
 		/* Inline Functions: */
-			/** Initializes the dataflash driver (including the SPI driver) so that commands and data may be
-			 *  sent to an attached dataflash IC.
-			 *
-			 *  \param[in] PrescalerMask  SPI prescaler mask, see SPI.h documentation
+			/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
+			 *  The AVR's SPI driver MUST be initialized before any of the dataflash commands are used.
 			 */
-			static inline void Dataflash_Init(const uint8_t PrescalerMask)
+			static inline void Dataflash_Init(void)
 			{
 				DATAFLASH_CHIPCS_DDR  |= DATAFLASH_CHIPCS_MASK;
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
-
-				SPI_Init(PrescalerMask, true);
 			}
 			
 			/** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive
diff --git a/LUFA/Drivers/Peripheral/SPI.h b/LUFA/Drivers/Peripheral/SPI.h
index df741d7b873a348d4cb7a551265178d56da2e426..dcc58ce494d791c2b13141ae4ed9e9326ac1c612 100644
--- a/LUFA/Drivers/Peripheral/SPI.h
+++ b/LUFA/Drivers/Peripheral/SPI.h
@@ -61,7 +61,7 @@
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Macros: */
-			#define SPI_USE_DOUBLESPEED            (1 << 7)
+			#define SPI_USE_DOUBLESPEED            (1 << SPE)
 	#endif
 	
 	/* Public Interface - May be used in end-application: */
@@ -86,23 +86,40 @@
 
 			/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 128. */
 			#define SPI_SPEED_FCPU_DIV_128         ((1 << SPR1) | (1 << SPR0))
+			
+			/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the rising edge. */
+			#define SPI_SCK_LEAD_RISING            (0 << CPOL)
+
+			/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the falling edge. */
+			#define SPI_SCK_LEAD_FALLING           (1 << CPOL)
+
+			/** SPI data sample mode mask for SPI_Init(). Indicates that the data should sampled on the leading edge. */
+			#define SPI_SAMPLE_LEADING             (0 << CPHA)
+
+			/** SPI data sample mode mask for SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
+			#define SPI_SAMPLE_TRAILING            (1 << CPHA)
+			
+			/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
+			#define SPI_MODE_SLAVE                 (0 << MSTR)
+
+			/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
+			#define SPI_MODE_MASTER                (1 << MSTR)
 
 		/* Inline Functions: */
 			/** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
 			 *  SPI routines.
 			 *
-			 *  \param[in] PrescalerMask  Prescaler mask to set the SPI clock speed
-			 *  \param[in] Master         If true, sets the SPI system to use master mode, slave if false
+			 *  \param[in] SPIOptions  SPI Options, a mask consisting of one of each of the SPI_SPEED_*,
+			 *                         SPI_SCK_*, SPI_SAMPLE_* and SPI_MODE_* masks
 			 */
-			static inline void SPI_Init(const uint8_t PrescalerMask, const bool Master)
+			static inline void SPI_Init(const uint8_t SPIOptions)
 			{
 				DDRB  |= ((1 << 1) | (1 << 2));
 				PORTB |= ((1 << 0) | (1 << 3));
 				
-				SPCR   = ((1 << SPE) | (Master << MSTR) | (1 << CPOL) | (1 << CPHA) |
-				          (PrescalerMask & ~SPI_USE_DOUBLESPEED));
+				SPCR   = ((1 << SPE) | SPIOptions);
 				
-				if (PrescalerMask & SPI_USE_DOUBLESPEED)
+				if (SPIOptions & SPI_USE_DOUBLESPEED)
 				  SPSR |= (1 << SPI2X);
 				else
 				  SPSR &= ~(1 << SPI2X);
diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index 058d55c5cf1f3c7fe2d2567a66d63e6af41adf7b..da4c007f036b6192cad7d82820884f8c89855238 100644
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -23,6 +23,7 @@
   *  - Added new CDC_Device_Flush() command to the device mode CDC Class driver
   *  - Added explicit attribute masks to the device mode demos' descriptors
   *  - Added return values to the CDC and MIDI class driver transmit functions
+  *  - Added extra masks to the SPI driver, changed SPI_Init() so that the clock polarity and sample modes can be set
   *
   *  <b>Fixed:</b>
   *  - Fixed possible lockup in the CDC device class driver, when the host sends data that is a multiple of the
diff --git a/LUFA/ManPages/MigrationInformation.txt b/LUFA/ManPages/MigrationInformation.txt
index f65539d563f5758a91c2937165c6c9637ede3369..d83043182b33e823ef9f0ee46293bb633265a8bd 100644
--- a/LUFA/ManPages/MigrationInformation.txt
+++ b/LUFA/ManPages/MigrationInformation.txt
@@ -14,6 +14,10 @@
  *
  *  <b>Non-USB Library Components</b>
  *    - The ADC_Off() function has been renamed to \ref ADC_ShutDown() to be consistent with the rest of the library.
+ *    - The Dataflash_Init() routine no longer initializes the SPI bus - the SPI bus should be initialized manually via a
+ *      call to SPI_Init() before using the Dataflash driver
+ *    - The SPI_Init() routine's parameters have changed, so that the clock polarity and data sampling modes can be set. See
+ *      the SPI_Init() function documentation for more details
  *
  * \section Sec_Migration090810 Migrating from 090605 to 090810
  *
diff --git a/Projects/Incomplete/AVRISP/Lib/V2Protocol.c b/Projects/Incomplete/AVRISP/Lib/V2Protocol.c
index c31fd0eb5c6635672d701ce90f5a3fd41775e094..dc6d3c66838a1b6d02580b4f9034496a0b005f29 100644
--- a/Projects/Incomplete/AVRISP/Lib/V2Protocol.c
+++ b/Projects/Incomplete/AVRISP/Lib/V2Protocol.c
@@ -150,10 +150,8 @@ void V2Protocol_ProcessCommand(void)
 			break;
 	}
 	
-	printf("COMMAND 0x%02x\r\n", V2Command);
-
-	Endpoint_WaitUntilReady();	
-	Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);	
+	Endpoint_WaitUntilReady();
+	Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
 }
 
 static void V2Protocol_Command_Unknown(uint8_t V2Command)
@@ -167,7 +165,6 @@ static void V2Protocol_Command_Unknown(uint8_t V2Command)
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
 	Endpoint_Write_Byte(V2Command);
 	Endpoint_Write_Byte(STATUS_CMD_UNKNOWN);
@@ -178,7 +175,6 @@ static void V2Protocol_Command_SignOn(void)
 {
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
 	Endpoint_Write_Byte(CMD_SIGN_ON);
 	Endpoint_Write_Byte(STATUS_CMD_OK);
@@ -189,31 +185,28 @@ static void V2Protocol_Command_SignOn(void)
 
 static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
 {
-	struct
-	{
-		uint8_t ParamID;
-		uint8_t ParamValue;
-	} Get_Set_Param_Params;
+	uint8_t ParamID = Endpoint_Read_Byte();
+	uint8_t ParamValue;
 	
-	Endpoint_Read_Stream_LE(&Get_Set_Param_Params, sizeof(Get_Set_Param_Params));
+	if (V2Command == CMD_SET_PARAMETER)
+	  ParamValue = Endpoint_Read_Byte();
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
-	
-	uint8_t ParamPrivs = V2Params_GetParameterPrivellages(Get_Set_Param_Params.ParamID);
 	
 	Endpoint_Write_Byte(V2Command);
 	
+	uint8_t ParamPrivs = V2Params_GetParameterPrivellages(ParamID);
+	
 	if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
 	{
 		Endpoint_Write_Byte(STATUS_CMD_OK);
-		V2Params_SetParameterValue(Get_Set_Param_Params.ParamID, Get_Set_Param_Params.ParamValue);
+		V2Params_SetParameterValue(ParamID, ParamValue);
 	}
 	else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
 	{
 		Endpoint_Write_Byte(STATUS_CMD_OK);
-		Endpoint_Write_Byte(V2Params_GetParameterValue(Get_Set_Param_Params.ParamID));
+		Endpoint_Write_Byte(V2Params_GetParameterValue(ParamID));
 	}
 	else
 	{	
@@ -229,7 +222,6 @@ static void V2Protocol_Command_LoadAddress(void)
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 	
 	// TODO: Check for extended address
 
@@ -256,40 +248,28 @@ static void V2Protocol_Command_EnterISPMode(void)
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
-	uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
 	uint8_t ResponseStatus = STATUS_CMD_FAILED;
-
-	Enter_ISP_Params.TimeoutMS -= Enter_ISP_Params.ExecutionDelayMS +
-	                              Enter_ISP_Params.PinStabDelayMS;
 	
 	CurrentAddress = 0;
 
-	if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))
-	  SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);
-
 	V2Protocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);	  
-	SPI_Init(SPIMaskFromSCKDuration[SCKDuration], true);
+	SPI_Init(V2Protocol_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
 	V2Protocol_ChangeTargetResetLine(true);
 	V2Protocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
 		
 	while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
 	{
 		uint8_t ResponseBytes[4];
-		
+
 		for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
 		{
-			ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
 			V2Protocol_DelayMS(Enter_ISP_Params.ByteDelay);
-			
-			if (Enter_ISP_Params.TimeoutMS >= Enter_ISP_Params.ByteDelay)
-			  Enter_ISP_Params.TimeoutMS -= Enter_ISP_Params.ByteDelay;
-			else
-			  ResponseStatus = STATUS_CMD_TOUT;
+			ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
 		}
 		
-		if (ResponseBytes[Enter_ISP_Params.PollIndex] == Enter_ISP_Params.PollValue)
+		/* 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;
 	}
 
@@ -310,7 +290,6 @@ static void V2Protocol_Command_LeaveISPMode(void)
 	
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
 	V2Protocol_DelayMS(Leave_ISP_Params.PreDelayMS);
 	V2Protocol_ChangeTargetResetLine(false);
@@ -335,7 +314,6 @@ static void V2Protocol_Command_ChipErase(void)
 	
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 	
 	uint8_t ResponseStatus = STATUS_CMD_OK;
 	
@@ -364,7 +342,6 @@ static void V2Protocol_Command_ReadFuseLockSigOSCCAL(uint8_t V2Command)
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
 	uint8_t ResponseBytes[4];
 		
@@ -389,7 +366,6 @@ static void V2Protocol_Command_WriteFuseLock(uint8_t V2Command)
 
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 
 	for (uint8_t SByte = 0; SByte < sizeof(Write_FuseLockSig_Params.WriteCommandBytes); SByte++)
 	  SPI_SendByte(Write_FuseLockSig_Params.WriteCommandBytes[SByte]);
@@ -416,7 +392,6 @@ static void V2Protocol_Command_SPIMulti(void)
 	
 	Endpoint_ClearOUT();
 	Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
-	Endpoint_WaitUntilReady();
 	
 	Endpoint_Write_Byte(CMD_SPI_MULTI);
 	Endpoint_Write_Byte(STATUS_CMD_OK);
diff --git a/Projects/Incomplete/AVRISP/Lib/V2ProtocolParams.c b/Projects/Incomplete/AVRISP/Lib/V2ProtocolParams.c
index 3a42ba32de8608bb8f83a89434438df9cdabd012..9e6467244d83a4e1a15d14988ac289f4d69de722 100644
--- a/Projects/Incomplete/AVRISP/Lib/V2ProtocolParams.c
+++ b/Projects/Incomplete/AVRISP/Lib/V2ProtocolParams.c
@@ -51,7 +51,7 @@ static ParameterItem_t ParameterTable[] =
 		  .ParamPrivellages = PARAM_PRIV_READ                    },
 
 		{ .ParamID          = PARAM_HW_VER,
-		  .ParamValue       = 0x01,
+		  .ParamValue       = 0x00,
 		  .ParamPrivellages = PARAM_PRIV_READ                    },
 
 		{ .ParamID          = PARAM_SW_MAJOR,
@@ -59,7 +59,7 @@ static ParameterItem_t ParameterTable[] =
 		  .ParamPrivellages = PARAM_PRIV_READ                    },
 
 		{ .ParamID          = PARAM_SW_MINOR,
-		  .ParamValue       = 0x00,
+		  .ParamValue       = 0x0C,
 		  .ParamPrivellages = PARAM_PRIV_READ                    },
 
 		{ .ParamID          = PARAM_VTARGET,
@@ -67,7 +67,7 @@ static ParameterItem_t ParameterTable[] =
 		  .ParamPrivellages = PARAM_PRIV_READ                    },
 
 		{ .ParamID          = PARAM_SCK_DURATION,
-		  .ParamValue       = 0,
+		  .ParamValue       = 0xFF,
 		  .ParamPrivellages = PARAM_PRIV_READ | PARAM_PRIV_WRITE },
 
 		{ .ParamID          = PARAM_RESET_POLARITY,
diff --git a/Projects/Incomplete/AVRISP/makefile b/Projects/Incomplete/AVRISP/makefile
index 958d9abae80fa2bae8adf7afdbd9d6509bf78fed..b9aee4848c3ca560ae7d6594127f4218de288cf1 100644
--- a/Projects/Incomplete/AVRISP/makefile
+++ b/Projects/Incomplete/AVRISP/makefile
@@ -60,7 +60,7 @@
 
 
 # MCU name
-MCU = at90usb1287
+MCU = at90usb647
 
 
 # Target board (see library "Board Types" documentation, USER or blank for projects not requiring
@@ -194,9 +194,9 @@ CSTANDARD = -std=gnu99
 
 # Place -D or -U options here for C sources
 CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DRESET_LINE_PORT=PORTA
-CDEFS += -DRESET_LINE_DDR=DDRA
-CDEFS += -DRESET_LINE_MASK="(1 << 0)"
+CDEFS += -DRESET_LINE_PORT=PORTB
+CDEFS += -DRESET_LINE_DDR=DDRB
+CDEFS += -DRESET_LINE_MASK="(1 << 4)"
 
 
 # Place -D or -U options here for ASM sources