Add new tag for the LUFA-120219-BETA release.
[pub/USBasp.git] / LUFA / Drivers / Board / AVR8 / XPLAIN / Dataflash.h
index 7ecefba..7664fcf 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  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
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Board specific Dataflash driver header for the Atmel XPLAIN.
+ *  \brief Board specific Dataflash driver header for the original Atmel XPLAIN.
  *  \copydetails Group_Dataflash_XPLAIN
  *
  *  \note This file should not be included directly. It is automatically included as needed by the dataflash driver
  */
 
 /** \ingroup Group_Dataflash
+ *  \defgroup Group_Dataflash_XPLAIN_REV1 XPLAIN_REV1
+ *  \brief Board specific Dataflash driver header for the original Atmel XPLAIN, revision 1.
+ *
+ *  See \ref Group_Dataflash_XPLAIN for more details.
+ */
+
+/** \ingroup Group_Dataflash
  *  \defgroup Group_Dataflash_XPLAIN XPLAIN
- *  \brief Board specific Dataflash driver header for the Atmel XPLAIN.
+ *  \brief Board specific Dataflash driver header for the original Atmel XPLAIN.
+ *
+ *  \note For the first revision XPLAIN board, compile with <code>BOARD = BOARD_XPLAIN_REV1</code>.
  *
  *  Board specific Dataflash driver header for the Atmel XPLAIN.
  *
                        /** Mask for the first dataflash chip selected. */
                        #define DATAFLASH_CHIP1                      0
 
-                       #if (BOARD == BOARD_XPLAIN_REV1)
-                               #define DATAFLASH_PAGE_SIZE              256
-
-                               #define DATAFLASH_PAGES                  2048
-                       #else
+                       #if ((BOARD != BOARD_XPLAIN_REV1) || defined(__DOXYGEN__))
                                /** 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
+                       #else
+                               #define DATAFLASH_PAGE_SIZE              256
+
+                               #define DATAFLASH_PAGES                  2048
                        #endif
 
                /* Inline Functions: */
                                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
                         *  are deselected.
                         *
                         *  \param[in] PageAddress  Address of the page to manipulate, ranging from
-                        *                          ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
+                        *                          0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
                         */
                        static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
                        {
                        }
 
                        /** 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-byte address.
+                        *  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