X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/910bca557cbdc34dbc8db9df91d00103ffd73c88..ecba8bcecfa7c8cde46de5392d5852d0c3e9b07a:/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h?ds=inline diff --git a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h index 9a5d98557..5424dc755 100644 --- a/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h +++ b/LUFA/Drivers/Board/AVR8/EVK527/Dataflash.h @@ -83,7 +83,7 @@ #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) @@ -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 @@ -128,7 +160,7 @@ * 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) { @@ -163,7 +195,7 @@ } /** 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