*/
/*
- 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
this software.
*/
-/*
- This is a stub driver header file, for implementing custom board
- layout hardware with compatible LUFA board specific drivers. If
- the library is configured to use the BOARD_USER board mode, this
- driver file should be completed and copied into the "/Board/" folder
- inside the application's folder.
-
- This stub is for the board-specific component of the LUFA Dataflash
- driver.
+/** \file
+ * \brief LUFA Custom Board Dataflash Hardware Driver (Template)
+ *
+ * This is a stub driver header file, for implementing custom board
+ * layout hardware with compatible LUFA board specific drivers. If
+ * the library is configured to use the BOARD_USER board mode, this
+ * driver file should be completed and copied into the "/Board/" folder
+ * inside the application's folder.
+ *
+ * This stub is for the board-specific component of the LUFA Dataflash
+ * driver.
*/
#ifndef __DATAFLASH_USER_H__
#define DATAFLASH_TOTALCHIPS 1 // TODO: Replace with the number of Dataflashes on the board, max 2
/** Mask for no dataflash chip selected. */
- #define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
+ #define DATAFLASH_NO_CHIP 0
/** Mask for the first dataflash chip selected. */
- #define DATAFLASH_CHIP1 // TODO: Replace with mask to hold /CS of first Dataflash low, and all others high
+ #define DATAFLASH_CHIP1 // TODO: Replace with mask with the pin attached to the first Dataflash /CS set
/** Mask for the second dataflash chip selected. */
- #define DATAFLASH_CHIP2 // TODO: Replace with mask to hold /CS of second Dataflash low, and all others high
+ #define DATAFLASH_CHIP2 // TODO: Replace with mask with the pin attached to the second Dataflash /CS set
/** Internal main memory page size for the board's dataflash ICs. */
#define DATAFLASH_PAGE_SIZE // TODO: Replace with the page size for the Dataflash ICs
/** 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
+ * \param[in] Byte 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);
+ // TODO
}
/** 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
+ * \param[in] Byte 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);
+ // TODO
}
/** Sends a dummy byte to the currently selected dataflash IC, and returns the next 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();
+ // TODO
}
/** Determines the currently selected dataflash chip.
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 & DATAFLASH_CHIPCS_MASK);
+ return (~DATAFLASH_CHIPCS_PORT & 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
+ * \param[in] ChipMask Mask of the Dataflash IC to select, in the form of a \c 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 = ((DATAFLASH_CHIPCS_PORT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
+ DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT | DATAFLASH_CHIPCS_MASK) & ~ChipMask);
}
/** Deselects the current dataflash chip, so that no dataflash is selected. */