-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * This file is the master dispatch header file for the board-specific dataflash driver, for boards containing\r
- * dataflash ICs for external non-volatile storage.\r
- *\r
- * User code should include this file, which will in turn include the correct dataflash driver header file for\r
- * the currently selected board.\r
- *\r
- * If the BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project\r
- * directory.\r
- */\r
- \r
-/** \ingroup Group_BoardDrivers\r
- * @defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h\r
- *\r
- * \section Sec_Dependencies Module Source Dependencies\r
- * The following files must be built with any user project that uses this module:\r
- * - None\r
- *\r
- * \section Module Description\r
- * Dataflash driver. This module provides an easy to use interface for the Dataflash ICs located on many boards,\r
- * for the storage of large amounts of data into the Dataflash's non-volatile memory.\r
- *\r
- * If the BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project\r
- * directory. Otherwise, it will include the appropriate built in board driver header file.\r
- *\r
- * @{\r
- */\r
- \r
-#ifndef __DATAFLASH_H__\r
-#define __DATAFLASH_H__\r
-\r
- /* Macros: */\r
- #if !defined(__DOXYGEN__)\r
- #define INCLUDE_FROM_DATAFLASH_H\r
- #endif\r
-\r
- /* Includes: */\r
- #include "../Peripheral/SPI.h"\r
- #include "../../Common/Common.h"\r
- \r
- /* Enable C linkage for C++ Compilers: */\r
- #if defined(__cplusplus)\r
- extern "C" {\r
- #endif\r
-\r
- /* Public Interface - May be used in end-application: */\r
- /* Macros: */\r
- #if !defined(__DOXYGEN__)\r
- #define __GET_DATAFLASH_MASK2(x, y) x ## y\r
- #define __GET_DATAFLASH_MASK(x) __GET_DATAFLASH_MASK2(DATAFLASH_CHIP,x)\r
- #endif\r
- \r
- /** Retrieves the Dataflash chip select mask for the given Dataflash chip index.\r
- *\r
- * \param[in] index Index of the dataflash chip mask to retrieve\r
- *\r
- * \return Mask for the given Dataflash chip's /CS pin\r
- */\r
- #define DATAFLASH_CHIP_MASK(index) __GET_DATAFLASH_MASK(index)\r
- \r
- /* Pseudo-Function Macros: */\r
- #if defined(__DOXYGEN__)\r
- /** Determines the currently selected dataflash chip.\r
- *\r
- * \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected\r
- * or a DATAFLASH_CHIPn mask (where n is the chip number).\r
- */\r
- static inline uint8_t Dataflash_GetSelectedChip(void);\r
-\r
- /** Selects the given dataflash chip.\r
- *\r
- * \param[in] ChipMask Mask of the Dataflash IC to select, in the form of DATAFLASH_CHIPn mask (where n is\r
- * the chip number).\r
- */\r
- static inline void Dataflash_SelectChip(uint8_t ChipMask);\r
-\r
- /** Deselects the current dataflash chip, so that no dataflash is selected. */\r
- static inline void Dataflash_DeselectChip(void);\r
- #else\r
- #define Dataflash_GetSelectedChip() (DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK)\r
-\r
- #define Dataflash_SelectChip(mask) MACROS{ DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT \\r
- & ~DATAFLASH_CHIPCS_MASK) | mask); }MACROE\r
- \r
- #define Dataflash_DeselectChip() Dataflash_SelectChip(DATAFLASH_NO_CHIP)\r
- #endif\r
- \r
- /* Inline Functions: */\r
- /** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.\r
- *\r
- * \param[in] Byte of data to send to the dataflash\r
- *\r
- * \return Last response byte from the dataflash\r
- */\r
- static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;\r
- static inline uint8_t Dataflash_TransferByte(const uint8_t Byte)\r
- {\r
- return SPI_TransferByte(Byte);\r
- }\r
-\r
- /** Sends a byte to the currently selected dataflash IC, and ignores the next byte from the dataflash.\r
- *\r
- * \param[in] Byte of data to send to the dataflash\r
- */\r
- static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;\r
- static inline void Dataflash_SendByte(const uint8_t Byte)\r
- {\r
- SPI_SendByte(Byte);\r
- }\r
- \r
- /** Sends a dummy byte to the currently selected dataflash IC, and returns the next byte from the dataflash.\r
- *\r
- * \return Last response byte from the dataflash\r
- */\r
- static inline uint8_t Dataflash_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;\r
- static inline uint8_t Dataflash_ReceiveByte(void)\r
- {\r
- return SPI_ReceiveByte();\r
- }\r
-\r
- /* Includes: */\r
- #if !defined(BOARD)\r
- #error BOARD must be set in makefile to a value specified in BoardTypes.h.\r
- #elif (BOARD == BOARD_USBKEY)\r
- #include "USBKEY/Dataflash.h"\r
- #elif (BOARD == BOARD_STK525)\r
- #include "STK525/Dataflash.h"\r
- #elif (BOARD == BOARD_STK526)\r
- #include "STK526/Dataflash.h"\r
- #elif (BOARD == BOARD_USER)\r
- #include "Board/Dataflash.h"\r
- #else\r
- #error The selected board does not contain a dataflash IC.\r
- #endif\r
- \r
- /* Inline Functions: */\r
- /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.\r
- * The AVR's SPI driver MUST be initialized before any of the dataflash commands are used.\r
- */\r
- static inline void Dataflash_Init(void)\r
- {\r
- DATAFLASH_CHIPCS_DDR |= DATAFLASH_CHIPCS_MASK;\r
- DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;\r
- }\r
- \r
- /** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive\r
- * a new command.\r
- */\r
- static inline void Dataflash_ToggleSelectedChipCS(void)\r
- {\r
- uint8_t SelectedChipMask = Dataflash_GetSelectedChip();\r
- \r
- Dataflash_DeselectChip();\r
- Dataflash_SelectChip(SelectedChipMask);\r
- }\r
-\r
- /** Spin-loops while the currently selected dataflash is busy executing a command, such as a main\r
- * memory page program or main memory to buffer transfer.\r
- */\r
- static inline void Dataflash_WaitWhileBusy(void)\r
- {\r
- Dataflash_ToggleSelectedChipCS();\r
- Dataflash_SendByte(DF_CMD_GETSTATUS);\r
- while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));\r
- Dataflash_ToggleSelectedChipCS(); \r
- }\r
-\r
- /** Selects a dataflash IC from the given page number, which should range from 0 to\r
- * ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one\r
- * dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside\r
- * the total number of pages contained in the boards dataflash ICs, all dataflash ICs\r
- * are deselected.\r
- *\r
- * \param[in] PageAddress Address of the page to manipulate, ranging from\r
- * ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).\r
- */\r
- static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress);\r
-\r
- /** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with\r
- * dataflash commands which require a complete 24-byte address.\r
- *\r
- * \param[in] PageAddress Page address within the selected dataflash IC\r
- * \param[in] BufferByte Address within the dataflash's buffer\r
- */\r
- static inline void Dataflash_SendAddressBytes(uint16_t PageAddress, const uint16_t BufferByte);\r
-\r
- /* Disable C linkage for C++ Compilers: */\r
- #if defined(__cplusplus)\r
- }\r
- #endif\r
- \r
-#endif\r
-\r
-/** @} */\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2021.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2021 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
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \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 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.
+ *
+ * If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Dataflash.h file in the user project
+ * directory.
+ *
+ * For possible \c BOARD makefile values, see \ref Group_BoardTypes.
+ */
+
+/** \ingroup Group_BoardDrivers
+ * \defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
+ * \brief Atmel Dataflash storage IC board hardware driver.
+ *
+ * \section Sec_Dataflash_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - None
+ *
+ * \section Sec_Dataflash_ModDescription Module Description
+ * Dataflash driver. This module provides an easy to use interface for the Dataflash ICs located on many boards,
+ * for the storage of large amounts of data into the Dataflash's non-volatile memory.
+ *
+ * If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Dataflash.h file in the user project
+ * directory. Otherwise, it will include the appropriate built-in board driver header file.
+ *
+ * For possible \c BOARD makefile values, see \ref Group_BoardTypes.
+ *
+ * \section Sec_Dataflash_ExampleUsage Example Usage
+ * The following snippet is an example of how this module may be used within a typical
+ * application.
+ *
+ * \code
+ * // Initialize the board Dataflash driver before first use
+ * 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-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-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
+ *
+ * @{
+ */
+
+#ifndef __DATAFLASH_H__
+#define __DATAFLASH_H__
+
+ /* Macros: */
+ #define __INCLUDE_FROM_DATAFLASH_H
+
+ /* Includes: */
+ #include "../../Common/Common.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Retrieves the Dataflash chip select mask for the given Dataflash chip index.
+ *
+ * \attention This macro will only work correctly on chip index numbers that are compile-time
+ * constants defined by the preprocessor.
+ *
+ * \param[in] index Index of the dataflash chip mask to retrieve.
+ *
+ * \return Mask for the given Dataflash chip's /CS pin
+ */
+ #define DATAFLASH_CHIP_MASK(index) CONCAT_EXPANDED(DATAFLASH_CHIP, index)
+
+ /* Inline Functions: */
+ /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
+ *
+ * \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);
+
+ /** Determines the currently selected dataflash chip.
+ *
+ * \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
+ * or a \c DATAFLASH_CHIPn mask (where n is the chip number).
+ */
+ static inline uint8_t Dataflash_GetSelectedChip(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+
+ /** Selects the given dataflash chip.
+ *
+ * \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;
+
+ /** Deselects the current dataflash chip, so that no dataflash is selected. */
+ static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE;
+
+ /** Selects a dataflash IC from the given page number, which should range from 0 to
+ * ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one
+ * dataflash IC, this will select \ref DATAFLASH_CHIP1. If the given page number is outside
+ * the total number of pages contained in the boards dataflash ICs, all dataflash ICs
+ * are deselected.
+ *
+ * \param[in] PageAddress Address of the page to manipulate, ranging from
+ * 0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
+ */
+ static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress);
+
+ /** Toggles the select line of the currently selected dataflash IC, so that it is ready to receive
+ * a new command.
+ */
+ static inline void Dataflash_ToggleSelectedChipCS(void);
+
+ /** Spin-loops while the currently selected dataflash is busy executing a command, such as a main
+ * memory page program or main memory to buffer transfer.
+ */
+ 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-bit address.
+ *
+ * \param[in] PageAddress Page address within the selected dataflash IC
+ * \param[in] BufferByte Address within the dataflash's buffer
+ */
+ static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,
+ const uint16_t BufferByte);
+
+ /** Sends a byte to the currently selected dataflash IC, and returns a byte from 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;
+
+ /** Sends a byte to the currently selected dataflash IC, and ignores the next byte from 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;
+
+ /** 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;
+
+ /* Includes: */
+ #if (BOARD == BOARD_NONE)
+ #define DATAFLASH_TOTALCHIPS 0
+ #define DATAFLASH_NO_CHIP 0
+ #define DATAFLASH_CHIP1 0
+ #define DATAFLASH_PAGE_SIZE 0
+ #define DATAFLASH_PAGES 0
+ static inline void Dataflash_Init(void) {};
+ static inline uint8_t Dataflash_TransferByte(const uint8_t Byte) { return 0; };
+ static inline void Dataflash_SendByte(const uint8_t Byte) {};
+ static inline uint8_t Dataflash_ReceiveByte(void) { return 0; };
+ static inline uint8_t Dataflash_GetSelectedChip(void) { return 0; };
+ static inline void Dataflash_SelectChip(const uint8_t ChipMask) {};
+ static inline void Dataflash_DeselectChip(void) {};
+ static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress) {};
+ static inline void Dataflash_ToggleSelectedChipCS(void) {};
+ static inline void Dataflash_WaitWhileBusy(void) {};
+ static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,
+ const uint16_t BufferByte) {};
+ #elif (BOARD == BOARD_USBKEY)
+ #include "AVR8/USBKEY/Dataflash.h"
+ #elif (BOARD == BOARD_STK525)
+ #include "AVR8/STK525/Dataflash.h"
+ #elif (BOARD == BOARD_STK526)
+ #include "AVR8/STK526/Dataflash.h"
+ #elif ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+ #include "AVR8/XPLAIN/Dataflash.h"
+ #elif (BOARD == BOARD_EVK527)
+ #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
+ #include "Board/Dataflash.h"
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+
projects / pub / lufa.git / blobdiff