/*
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
/** \file
* \brief Master include file for the board dataflash IC driver.
+ * \brief Atmel Dataflash storage IC board hardware driver.
*
- * This file is the master dispatch header file for the board-specific dataflash driver, for boards containing
- * dataflash ICs for external non-volatile storage.
+ * This file is the master dispatch header file for the board-specific Atmel dataflash driver, for boards containing
+ * Atmel Dataflash ICs for external non-volatile storage.
*
* User code should include this file, which will in turn include the correct dataflash driver header file for
* the currently selected board.
*/
/** \ingroup Group_BoardDrivers
- * @defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
+ * \defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
+ * \brief Atmel Dataflash storage IC board hardware driver.
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* application.
*
* \code
- * // Initialise the SPI and board Dataflash drivers before first use
+ * // Initialize the SPI and board Dataflash drivers before first use
* SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
* SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
* Dataflash_Init();
- *
+ *
* uint8_t WriteBuffer[DATAFLASH_PAGE_SIZE];
* uint8_t ReadBuffer[DATAFLASH_PAGE_SIZE];
- *
+ *
* // Fill page write buffer with a repeating pattern
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* WriteBuffer[i] = (i & 0xFF);
- *
+ *
* // Must select the chip of interest first before operating on it
* Dataflash_SelectChip(DATAFLASH_CHIP1);
- *
+ *
* // Write to the Dataflash's first internal memory buffer
* printf("Writing data to first dataflash buffer:\r\n");
* Dataflash_SendByte(DF_CMD_BUFF1WRITE);
* Dataflash_SendAddressBytes(0, 0);
- *
+ *
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* Dataflash_SendByte(WriteBuffer[i]);
- *
- * // Commit the Dataflash's first memory buffer to the non-voltatile FLASH memory
+ *
+ * // Commit the Dataflash's first memory buffer to the non-volatile FLASH memory
* printf("Committing page to non-volatile memory page index 5:\r\n");
* Dataflash_SendByte(DF_CMD_BUFF1TOMAINMEMWITHERASE);
* Dataflash_SendAddressBytes(5, 0);
* Dataflash_WaitWhileBusy();
- *
- * // Read the page from non-voltatile FLASH memory into the Dataflash's second memory buffer
+ *
+ * // Read the page from non-volatile FLASH memory into the Dataflash's second memory buffer
* printf("Reading data into second dataflash buffer:\r\n");
* Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF2);
* Dataflash_SendAddressBytes(5, 0);
* Dataflash_WaitWhileBusy();
- *
+ *
* // Read the Dataflash's second internal memory buffer
* Dataflash_SendByte(DF_CMD_BUFF2READ);
* Dataflash_SendAddressBytes(0, 0);
- *
+ *
* for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
* ReadBuffer[i] = Dataflash_ReceiveByte();
- *
+ *
* // Deselect the chip after use
* Dataflash_DeselectChip();
* \endcode
#define __DATAFLASH_H__
/* Macros: */
- #if !defined(__DOXYGEN__)
#define __INCLUDE_FROM_DATAFLASH_H
- #define INCLUDE_FROM_DATAFLASH_H
- #endif
/* Includes: */
- #include "../Peripheral/SPI.h"
- #include "../../Common/Common.h"
+ #include "../../Common/Common.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
#define DATAFLASH_CHIP_MASK(index) __GET_DATAFLASH_MASK(index)
/* 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.
*
- * \note The AVR's SPI driver must be initialized before any of the dataflash commands are used.
+ * \note The microcontroller's physical interface driver connected to the Dataflash IC must be initialized before
+ * any of the dataflash commands are used. This is usually a SPI hardware port, but on some devices/boards may
+ * be a USART operating in SPI Master mode.
*/
static inline void Dataflash_Init(void);
* 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);
static inline void Dataflash_WaitWhileBusy(void);
/** 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
/** 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);
- }
/** 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);
- }
/** 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)
- #error The Board Buttons driver cannot be used if the makefile BOARD option is not set.
+ #error The Board Dataflash driver cannot be used if the makefile BOARD option is not set.
#elif (BOARD == BOARD_USBKEY)
- #include "USBKEY/Dataflash.h"
+ #include "AVR8/USBKEY/Dataflash.h"
#elif (BOARD == BOARD_STK525)
- #include "STK525/Dataflash.h"
+ #include "AVR8/STK525/Dataflash.h"
#elif (BOARD == BOARD_STK526)
- #include "STK526/Dataflash.h"
- #elif (BOARD == BOARD_XPLAIN)
- #include "XPLAIN/Dataflash.h"
- #elif (BOARD == BOARD_XPLAIN_REV1)
- #include "XPLAIN/Dataflash.h"
+ #include "AVR8/STK526/Dataflash.h"
+ #elif ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+ #include "AVR8/XPLAIN/Dataflash.h"
#elif (BOARD == BOARD_EVK527)
- #include "EVK527/Dataflash.h"
- #elif (BOARD == BOARD_USER)
- #include "Board/Dataflash.h"
+ #include "AVR8/EVK527/Dataflash.h"
+ #elif (BOARD == BOARD_A3BU_XPLAINED)
+ #include "XMEGA/A3BU_XPLAINED/Dataflash.h"
+ #elif (BOARD == BOARD_B1_XPLAINED)
+ #include "XMEGA/B1_XPLAINED/Dataflash.h"
#else
- #error The selected board does not contain a dataflash IC.
+ #include "Board/Dataflash.h"
#endif
/* Disable C linkage for C++ Compilers: */