Add partial support for the Atmel A3BU Xplained's Dataflash IC (physical USART-as-SPI transport driver still pending).

9 files changed, 417 insertions, 15 deletions

diff --git a/LUFA/CodeTemplates/DriverStubs/Dataflash.h b/LUFA/CodeTemplates/DriverStubs/Dataflash.h
index 5edd26f62..4ab1b8dcf 100644
--- a/LUFA/CodeTemplates/DriverStubs/Dataflash.h
+++ b/LUFA/CodeTemplates/DriverStubs/Dataflash.h
@@ -88,6 +88,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Common/BoardTypes.h b/LUFA/Common/BoardTypes.h
index 7a141ac71..efd80f9fa 100644
--- a/LUFA/Common/BoardTypes.h
+++ b/LUFA/Common/BoardTypes.h
@@ -83,10 +83,10 @@
 			/** Selects the BUMBLEB specific board drivers, using the officially recommended peripheral layout. */
 			#define BOARD_BUMBLEB       6
 
-			/** Selects the XPLAIN (Revision 2 or newer) specific board drivers, including LED and Dataflash driver. */
+			/** Selects the XPLAIN (Revision 2 or newer) specific board drivers, including LED and Dataflash drivers. */
 			#define BOARD_XPLAIN        7
 
-			/** Selects the XPLAIN (Revision 1) specific board drivers, including LED and Dataflash driver. */
+			/** Selects the XPLAIN (Revision 1) specific board drivers, including LED and Dataflash drivers. */
 			#define BOARD_XPLAIN_REV1   8
 
 			/** Selects the EVK527 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
@@ -156,7 +156,7 @@
 			/** Selects the Atmel EVK1104 specific board drivers, including the Button and LED drivers. */
 			#define BOARD_EVK1104       30
 			
-			/** Selects the Atmel XMEGA A3BU Xplained specific board drivers, including the Button and LED drivers. */
+			/** Selects the Atmel XMEGA A3BU Xplained specific board drivers, including Dataflash, Button and LED drivers. */
 			#define BOARD_A3BU_XPLAINED 31
 
 			#if !defined(__DOXYGEN__)
diff --git a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
index 0b496a829..5424dc755 100644
--- a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h
@@ -92,6 +92,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Drivers/Board/AVR8/STK525/Dataflash.h b/LUFA/Drivers/Board/AVR8/STK525/Dataflash.h
index c29f18a10..5b38bf72e 100644
--- a/LUFA/Drivers/Board/AVR8/STK525/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/STK525/Dataflash.h
@@ -92,6 +92,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Drivers/Board/AVR8/STK526/Dataflash.h b/LUFA/Drivers/Board/AVR8/STK526/Dataflash.h
index 7f8f72896..b056802d9 100644
--- a/LUFA/Drivers/Board/AVR8/STK526/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/STK526/Dataflash.h
@@ -92,6 +92,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h b/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h
index f3af9bfb1..9808987ff 100644
--- a/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/USBKEY/Dataflash.h
@@ -95,6 +95,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Drivers/Board/AVR8/XPLAIN/Dataflash.h b/LUFA/Drivers/Board/AVR8/XPLAIN/Dataflash.h
index 42b9b77f5..71ff72b15 100644
--- a/LUFA/Drivers/Board/AVR8/XPLAIN/Dataflash.h
+++ b/LUFA/Drivers/Board/AVR8/XPLAIN/Dataflash.h
@@ -98,6 +98,38 @@
 				DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
 			}
 
+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
+			{
+				return SPI_TransferByte(Byte);
+			}
+
+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
+			 *
+			 *  \param[in] Byte of data to send to the dataflash
+			 */
+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
+			static inline void Dataflash_SendByte(const uint8_t Byte)
+			{
+				SPI_SendByte(Byte);
+			}
+
+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
+			 *
+			 *  \return Last response byte from the dataflash
+			 */
+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint8_t Dataflash_ReceiveByte(void)
+			{
+				return SPI_ReceiveByte();
+			}
+
 			/** Determines the currently selected dataflash chip.
 			 *
 			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
diff --git a/LUFA/Drivers/Board/Dataflash.h b/LUFA/Drivers/Board/Dataflash.h
index ff71e6f7c..f3d6dc4b2 100644
--- a/LUFA/Drivers/Board/Dataflash.h
+++ b/LUFA/Drivers/Board/Dataflash.h
@@ -206,30 +206,18 @@
 			 *  \return Last response byte from the dataflash
 			 */
 			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
-			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)
-			{
-				return SPI_TransferByte(Byte);
-			}
 
 			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.
 			 *
 			 *  \param[in] Byte of data to send to the dataflash
 			 */
 			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
-			static inline void Dataflash_SendByte(const uint8_t Byte)
-			{
-				SPI_SendByte(Byte);
-			}
 
 			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.
 			 *
 			 *  \return Last response byte from the dataflash
 			 */
 			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
-			static inline uint8_t Dataflash_ReceiveByte(void)
-			{
-				return SPI_ReceiveByte();
-			}
 
 		/* Includes: */
 			#if (BOARD == BOARD_NONE)
@@ -244,6 +232,8 @@
 				#include "AVR8/XPLAIN/Dataflash.h"
 			#elif (BOARD == BOARD_EVK527)
 				#include "AVR8/EVK527/Dataflash.h"
+			#elif (BOARD == BOARD_A3BU_XPLAINED)
+				#include "XMEGA/A3BU_XPLAINED/Dataflash.h"			
 			#else
 				#include "Board/Dataflash.h"
 			#endif
diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h
new file mode 100644
index 000000000..a03878f5c
--- /dev/null
+++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h
@@ -0,0 +1,220 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2011.

+

+  dean [at] fourwalledcubicle [dot] com

+           www.lufa-lib.org

+*/

+

+/*

+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, distribute, and sell this

+  software and its documentation for any purpose is hereby granted

+  without fee, provided that the above copyright notice appear in

+  all copies and that both that the copyright notice and this

+  permission notice and warranty disclaimer appear in supporting

+  documentation, and that the name of the author not be used in

+  advertising or publicity pertaining to distribution of the

+  software without specific, written prior permission.

+

+  The author disclaim all warranties with regard to this

+  software, including all implied warranties of merchantability

+  and fitness.  In no event shall the author be liable for any

+  special, indirect or consequential damages or any damages

+  whatsoever resulting from loss of use, data or profits, whether

+  in an action of contract, negligence or other tortious action,

+  arising out of or in connection with the use or performance of

+  this software.

+*/

+

+/** \file

+ *  \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.

+ *  \copydetails Group_Dataflash_A3BU_XPLAINED

+ *

+ *  \note This file should not be included directly. It is automatically included as needed by the dataflash driver

+ *        dispatch header located in LUFA/Drivers/Board/Dataflash.h.

+ */

+

+/** \ingroup Group_Dataflash

+ *  \defgroup Group_Dataflash_A3BU_XPLAINED XMEGA A3BU Xplained.

+ *  \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.

+ *

+ *  Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board.

+ *

+ *  @{

+ */

+

+#ifndef __DATAFLASH_A3BU_XPLAINED_H__

+#define __DATAFLASH_A3BU_XPLAINED_H__

+

+	/* Includes: */

+		#include "../../../../Common/Common.h"

+		#include "../../../Misc/AT45DB642D.h"

+

+	/* Preprocessor Checks: */

+		#if !defined(__INCLUDE_FROM_DATAFLASH_H)

+			#error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.

+		#endif

+

+	/* Private Interface - For use in library only: */

+	#if !defined(__DOXYGEN__)

+		/* Macros: */

+			#define DATAFLASH_CHIPCS_MASK                (1 << 4)

+			#define DATAFLASH_CHIPCS_PORT                PORTF

+	#endif

+

+	/* Public Interface - May be used in end-application: */

+		/* Macros: */

+			/** Constant indicating the total number of dataflash ICs mounted on the selected board. */

+			#define DATAFLASH_TOTALCHIPS                 1

+

+			/** Mask for no dataflash chip selected. */

+			#define DATAFLASH_NO_CHIP                    DATAFLASH_CHIPCS_MASK

+

+			/** Mask for the first dataflash chip selected. */

+			#define DATAFLASH_CHIP1                      0

+

+			/** Internal main memory page size for the board's dataflash ICs. */

+			#define DATAFLASH_PAGE_SIZE                  1024

+

+			/** Total number of pages inside each of the board's dataflash ICs. */

+			#define DATAFLASH_PAGES                      8192

+

+		/* Inline Functions: */

+			/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.

+			 *  The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.

+			 */

+			static inline void Dataflash_Init(void)

+			{

+				DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK;

+				DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK;

+			}

+

+			/** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.

+			 *

+			 *  \param[in] Byte of data to send to the dataflash

+			 *

+			 *  \return Last response byte from the dataflash

+			 */

+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;

+			static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)

+			{

+				// TODO

+				return 0;

+			}

+

+			/** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.

+			 *

+			 *  \param[in] Byte of data to send to the dataflash

+			 */

+			static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;

+			static inline void Dataflash_SendByte(const uint8_t Byte)

+			{

+				// TODO

+			}

+

+			/** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.

+			 *

+			 *  \return Last response byte from the dataflash

+			 */

+			static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;

+			static inline uint8_t Dataflash_ReceiveByte(void)

+			{

+				// TODO

+				return 0;

+			}

+

+			/** Determines the currently selected dataflash chip.

+			 *

+			 *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected

+			 *  or a DATAFLASH_CHIPn mask (where n is the chip number).

+			 */

+			static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;

+			static inline uint8_t Dataflash_GetSelectedChip(void)

+			{

+				return (DATAFLASH_CHIPCS_PORT.OUT & DATAFLASH_CHIPCS_MASK);

+			}

+

+			/** Selects the given dataflash chip.

+			 *

+			 *  \param[in]  ChipMask  Mask of the Dataflash IC to select, in the form of DATAFLASH_CHIPn mask (where n is

+			 *              the chip number).

+			 */

+			static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;

+			static inline void Dataflash_SelectChip(const uint8_t ChipMask)

+			{

+				DATAFLASH_CHIPCS_PORT.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);

+			}

+

+			/** Deselects the current dataflash chip, so that no dataflash is selected. */

+			static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE;

+			static inline void Dataflash_DeselectChip(void)

+			{

+				Dataflash_SelectChip(DATAFLASH_NO_CHIP);

+			}

+

+			/** Selects a dataflash IC from the given page number, which should range from 0 to

+			 *  ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one

+			 *  dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside

+			 *  the total number of pages contained in the boards dataflash ICs, all dataflash ICs

+			 *  are deselected.

+			 *

+			 *  \param[in] PageAddress  Address of the page to manipulate, ranging from

+			 *                          0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).

+			 */

+			static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)

+			{

+				Dataflash_DeselectChip();

+

+				if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))

+				  return;

+

+				if (PageAddress & 0x01)

+				  Dataflash_SelectChip(DATAFLASH_CHIP2);

+				else

+				  Dataflash_SelectChip(DATAFLASH_CHIP1);

+			}

+

+			/** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive

+			 *  a new command.

+			 */

+			static inline void Dataflash_ToggleSelectedChipCS(void)

+			{

+				uint8_t SelectedChipMask = Dataflash_GetSelectedChip();

+

+				Dataflash_DeselectChip();

+				Dataflash_SelectChip(SelectedChipMask);

+			}

+

+			/** Spin-loops while the currently selected dataflash is busy executing a command, such as a main

+			 *  memory page program or main memory to buffer transfer.

+			 */

+			static inline void Dataflash_WaitWhileBusy(void)

+			{

+				Dataflash_ToggleSelectedChipCS();

+				Dataflash_SendByte(DF_CMD_GETSTATUS);

+				while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));

+				Dataflash_ToggleSelectedChipCS();

+			}

+

+			/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with

+			 *  dataflash commands which require a complete 24-bit address.

+			 *

+			 *  \param[in] PageAddress  Page address within the selected dataflash IC

+			 *  \param[in] BufferByte   Address within the dataflash's buffer

+			 */

+			static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,

+			                                              const uint16_t BufferByte)

+			{

+				PageAddress >>= 1;

+

+				Dataflash_SendByte(PageAddress >> 5);

+				Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));

+				Dataflash_SendByte(BufferByte);

+			}

+

+#endif

+

+/** @} */

+