Fixed AVRISP-MKII Clone failing to start application firmware once a TPI programming...
[pub/USBasp.git] / LUFA / Drivers / Board / AVR8 / USBKEY / Dataflash.h
index 239828f..9808987 100644 (file)
@@ -86,7 +86,7 @@
                        #define DATAFLASH_PAGES                      8192
 
                /* Inline Functions: */
-                       /** Initialises the dataflash driver so that commands and data may be sent to an attached dataflash IC.
+                       /** 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 |= 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