Fixed HID hpst class driver incorrectly binding to HID devices that do not have an...
[pub/USBasp.git] / LUFA / Drivers / Board / Dataflash.h
index 5281a19..31e3115 100644 (file)
@@ -1,21 +1,21 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
-              
+
   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
   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 
+  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 disclaim all warranties with regard to this
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
  *
  *  If the BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project
  *  directory.
  *
  *  If the BOARD value is set to BOARD_USER, this will include the /Board/Dataflash.h file in the user project
  *  directory.
+ *
+ *  For possible BOARD makefile values, see \ref Group_BoardTypes.
  */
  */
+
 /** \ingroup Group_BoardDrivers
  *  @defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
  *
 /** \ingroup Group_BoardDrivers
  *  @defgroup Group_Dataflash Dataflash Driver - LUFA/Drivers/Board/Dataflash.h
  *
  *  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 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.
  *
+ *  For possible BOARD makefile values, see \ref Group_BoardTypes.
+ *
  *  @{
  */
  *  @{
  */
+
 #ifndef __DATAFLASH_H__
 #define __DATAFLASH_H__
 
 #ifndef __DATAFLASH_H__
 #define __DATAFLASH_H__
 
@@ -70,7 +74,7 @@
        /* Includes: */
        #include "../Peripheral/SPI.h"
        #include "../../Common/Common.h"
        /* Includes: */
        #include "../Peripheral/SPI.h"
        #include "../../Common/Common.h"
-               
+
        /* Enable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
                        extern "C" {
        /* Enable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
                        extern "C" {
@@ -82,7 +86,7 @@
                                #define __GET_DATAFLASH_MASK2(x, y) x ## y
                                #define __GET_DATAFLASH_MASK(x)     __GET_DATAFLASH_MASK2(DATAFLASH_CHIP,x)
                        #endif
                                #define __GET_DATAFLASH_MASK2(x, y) x ## y
                                #define __GET_DATAFLASH_MASK(x)     __GET_DATAFLASH_MASK2(DATAFLASH_CHIP,x)
                        #endif
-       
+
                        /** Retrieves the Dataflash chip select mask for the given Dataflash chip index.
                         *
                         *  \param[in] index  Index of the dataflash chip mask to retrieve
                        /** Retrieves the Dataflash chip select mask for the given Dataflash chip index.
                         *
                         *  \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)      __GET_DATAFLASH_MASK(index)
                         *  \return Mask for the given Dataflash chip's /CS pin
                         */
                        #define DATAFLASH_CHIP_MASK(index)      __GET_DATAFLASH_MASK(index)
-                       
-               /* Pseudo-Function Macros: */
-                       #if defined(__DOXYGEN__)
-                               /** 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).
-                                */
-                               static inline uint8_t Dataflash_GetSelectedChip(void);
-
-                               /** 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
-                                *              the chip number).
-                                */
-                               static inline void Dataflash_SelectChip(uint8_t ChipMask);
-
-                               /** Deselects the current dataflash chip, so that no dataflash is selected. */
-                               static inline void Dataflash_DeselectChip(void);
-                       #else
-                               #define Dataflash_GetSelectedChip()          (DATAFLASH_CHIPCS_PORT & DATAFLASH_CHIPCS_MASK)
 
 
-                               #define Dataflash_SelectChip(mask)   MACROS{ DATAFLASH_CHIPCS_PORT = ((DATAFLASH_CHIPCS_PORT \
-                                                                                                                        & ~DATAFLASH_CHIPCS_MASK) | (mask));            }MACROE
-                               
-                               #define Dataflash_DeselectChip()             Dataflash_SelectChip(DATAFLASH_NO_CHIP)
-                       #endif
-                       
                /* Inline Functions: */
                /* Inline Functions: */
+                       /** Initialises the dataflash driver so that commands and data may be sent to an attached dataflash IC.
+                        *  The AVR's SPI driver MUST be initialized before any of the dataflash commands are used.
+                        */
+                       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).
+                        */
+                       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
+                        *              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 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
+                        *                          ((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-byte 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 of data to send to 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
                        {
                                SPI_SendByte(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
                        /** 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
                        #else
                                #error The selected board does not contain a dataflash IC.
                        #endif
                        #else
                                #error The selected board does not contain a dataflash IC.
                        #endif
-               
-               /* Inline Functions: */
-                       /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
-                        *  The AVR's SPI driver MUST be initialized before any of the dataflash commands are used.
-                        */
-                       static inline void Dataflash_Init(void)
-                       {
-                               DATAFLASH_CHIPCS_DDR  |= DATAFLASH_CHIPCS_MASK;
-                               DATAFLASH_CHIPCS_PORT |= DATAFLASH_CHIPCS_MASK;
-                       }
-                       
-                       /** 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)
-                       {
-                               uint8_t SelectedChipMask = Dataflash_GetSelectedChip();
-                                       
-                               Dataflash_DeselectChip();
-                               Dataflash_SelectChip(SelectedChipMask);
-                       }
-
-                       /** 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)
-                       {
-                               Dataflash_ToggleSelectedChipCS();
-                               Dataflash_SendByte(DF_CMD_GETSTATUS);
-                               while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));
-                               Dataflash_ToggleSelectedChipCS();                               
-                       }
-
-                       /** 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
-                        *  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).
-                        */
-                       static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress);
-
-                       /** 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.
-                        *
-                        *  \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);
 
        /* Disable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
                        }
                #endif
 
        /* Disable C linkage for C++ Compilers: */
                #if defined(__cplusplus)
                        }
                #endif
-       
+
 #endif
 
 /** @} */
 #endif
 
 /** @} */
+