Speed up Mass Storage bootloader by turning off the internal clock divider, as there...

[pub/USBasp.git] / LUFA / Drivers / Board / Dataflash.h

diff --git a/LUFA/Drivers/Board/Dataflash.h b/LUFA/Drivers/Board/Dataflash.h
index d8da754..e05c4e7 100644 (file)
--- a/LUFA/Drivers/Board/Dataflash.h
+++ b/LUFA/Drivers/Board/Dataflash.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2013.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2013  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
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 

-  The author disclaim all warranties with regard to this
+  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
   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


@@ -30,21 +30,23 @@
 
 /** \file
  *  \brief Master include file for the board dataflash IC driver.
 
 /** \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.
  *
  *
  *  User code should include this file, which will in turn include the correct dataflash driver header file for
  *  the currently selected board.
  *

- *  If the BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project
+ *  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.
  *
  *  directory.
  *

- *  For possible BOARD makefile values, see \ref Group_BoardTypes.
+ *  For possible \c BOARD makefile values, see \ref Group_BoardTypes.

  */
 
 /** \ingroup Group_BoardDrivers
  */
 
 /** \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:
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:


@@ -54,58 +56,58 @@
  *  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.
  *
  *  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 BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project
- *  directory. Otherwise, it will include the appropriate built in board driver header file.
+ *  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 BOARD makefile values, see \ref Group_BoardTypes.
+ *  For possible \c BOARD makefile values, see \ref Group_BoardTypes.

  *
  *  \section Sec_ExampleUsage Example Usage
  *  The following snippet is an example of how this module may be used within a typical
  *  application.
  *
  *  \code
  *
  *  \section Sec_ExampleUsage Example Usage
  *  The following snippet is an example of how this module may be used within a typical
  *  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();
  *      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];
  *      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);
  *      // 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);
  *      // 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);
  *      // 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]);
  *      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();
  *      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();
  *      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);
  *      // 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();
  *      for (uint16_t i = 0; i < DATAFLASH_PAGE_SIZE; i++)
  *        ReadBuffer[i] = Dataflash_ReceiveByte();

- *
+ *      

  *      // Deselect the chip after use
  *      Dataflash_DeselectChip();
  *  \endcode
  *      // Deselect the chip after use
  *      Dataflash_DeselectChip();
  *  \endcode


@@ -117,14 +119,10 @@
 #define __DATAFLASH_H__
 
        /* Macros: */
 #define __DATAFLASH_H__
 
        /* Macros: */

-       #if !defined(__DOXYGEN__)

                #define __INCLUDE_FROM_DATAFLASH_H
                #define __INCLUDE_FROM_DATAFLASH_H

-               #define INCLUDE_FROM_DATAFLASH_H
-       #endif

 
        /* Includes: */
 
        /* Includes: */

-       #include "../Peripheral/SPI.h"
-       #include "../../Common/Common.h"
+               #include "../../Common/Common.h"

 
        /* Enable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
 
        /* Enable C linkage for C++ Compilers: */
                #if defined(__cplusplus)


@@ -147,22 +145,24 @@
                        #define DATAFLASH_CHIP_MASK(index)      __GET_DATAFLASH_MASK(index)
 
                /* Inline Functions: */
                        #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);
 
                        /** Determines the currently selected dataflash chip.
                         *
                         *  \return Mask of the currently selected Dataflash chip, either \ref DATAFLASH_NO_CHIP if no chip is selected
                         */
                        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 DATAFLASH_CHIPn mask (where n is the chip number).
+                        *  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.
                         *
                         */
                        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 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;
                         *              the chip number).
                         */
                        static inline void Dataflash_SelectChip(const uint8_t ChipMask) ATTR_ALWAYS_INLINE;


@@ -172,12 +172,12 @@
 
                        /** 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
 
                        /** 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 DATAFLASH_CHIP1. If the given page number is outside
+                        *  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
                         *  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

-                        *                          ((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_SelectChipFromPage(const uint16_t PageAddress);
 


@@ -192,7 +192,7 @@
                        static inline void Dataflash_WaitWhileBusy(void);
 
                        /** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with
                        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
                         *
                         *  \param[in] PageAddress  Page address within the selected dataflash IC
                         *  \param[in] BufferByte   Address within the dataflash's buffer


@@ -202,55 +202,43 @@
 
                        /** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.
                         *
 
                        /** 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;
                         *
                         *  \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.
                         *
 
                        /** 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) 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;
 
                        /** 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)
 
                /* 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)
                        #elif (BOARD == BOARD_USBKEY)

-                               #include "USBKEY/Dataflash.h"
+                               #include "AVR8/USBKEY/Dataflash.h"

                        #elif (BOARD == BOARD_STK525)
                        #elif (BOARD == BOARD_STK525)

-                               #include "STK525/Dataflash.h"
+                               #include "AVR8/STK525/Dataflash.h"

                        #elif (BOARD == BOARD_STK526)
                        #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)
                        #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
                        #else

-                               #error The selected board does not contain a dataflash IC.
+                               #include "Board/Dataflash.h"

                        #endif
 
        /* Disable C linkage for C++ Compilers: */
                        #endif
 
        /* Disable C linkage for C++ Compilers: */