diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2011-11-09 23:35:16 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-11-09 23:35:16 +0000 |
commit | e30be658c9b4d0cbbea6751c3935870165d97444 (patch) | |
tree | d37bd0aef2149822b1dc491052312221bc66853b /LUFA | |
parent | 46aea9d4ce0948f2340bfddc1c5a1bcc889e8840 (diff) | |
download | lufa-e30be658c9b4d0cbbea6751c3935870165d97444.tar.gz lufa-e30be658c9b4d0cbbea6751c3935870165d97444.tar.bz2 lufa-e30be658c9b4d0cbbea6751c3935870165d97444.zip |
Add missing SVN eol-style property to ensure that source code line endings and converted to the native values on checkout.
Diffstat (limited to 'LUFA')
-rw-r--r-- | LUFA/Common/ArchitectureSpecific.h | 296 | ||||
-rw-r--r-- | LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h | 206 | ||||
-rw-r--r-- | LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h | 440 | ||||
-rw-r--r-- | LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/LEDs.h | 254 | ||||
-rw-r--r-- | LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h | 496 |
5 files changed, 846 insertions, 846 deletions
diff --git a/LUFA/Common/ArchitectureSpecific.h b/LUFA/Common/ArchitectureSpecific.h index 502723fb7..1a125d6cb 100644 --- a/LUFA/Common/ArchitectureSpecific.h +++ b/LUFA/Common/ArchitectureSpecific.h @@ -1,148 +1,148 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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 Architecture specific definitions relating to specific processor architectures.
- *
- * \copydetails Group_ArchitectureSpecific
- *
- * \note Do not include this file directly, rather include the Common.h header file instead to gain this file's
- * functionality.
- */
-
-/** \ingroup Group_Common
- * \defgroup Group_ArchitectureSpecific Architecture Specific Definitions
- * \brief Architecture specific definitions relating to specific processor architectures.
- *
- * Architecture specific macros, functions and other definitions, which relate to specific architectures. This
- * definitions may or may not be available in some form on other architectures, and thus should be protected by
- * preprocessor checks in portable code to prevent compile errors.
- *
- * @{
- */
-
-#ifndef __LUFA_ARCHSPEC_H__
-#define __LUFA_ARCHSPEC_H__
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_COMMON_H)
- #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
- #endif
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- #if (ARCH == ARCH_AVR8) || defined(__DOXYGEN__)
- /** Disables the AVR's JTAG bus in software, until a system reset. This will override the current JTAG
- * status as set by the JTAGEN fuse, disabling JTAG debugging and reverting the JTAG pins back to GPIO
- * mode.
- *
- * \note This macro is not available for all architectures.
- */
- #define JTAG_DISABLE() MACROS{ \
- __asm__ __volatile__ ( \
- "in __tmp_reg__,__SREG__" "\n\t" \
- "cli" "\n\t" \
- "out %1, %0" "\n\t" \
- "out __SREG__, __tmp_reg__" "\n\t" \
- "out %1, %0" "\n\t" \
- : \
- : "r" (1 << JTD), \
- "M" (_SFR_IO_ADDR(MCUCR)) \
- : "r0"); \
- }MACROE
-
- /** Defines a volatile \c NOP statement which cannot be optimized out by the compiler, and thus can always
- * be set as a breakpoint in the resulting code. Useful for debugging purposes, where the optimizer
- * removes/reorders code to the point where break points cannot reliably be set.
- *
- * \note This macro is not available for all architectures.
- */
- #define JTAG_DEBUG_POINT() __asm__ __volatile__ ("nop" ::)
-
- /** Defines an explicit JTAG break point in the resulting binary via the assembly \c BREAK statement. When
- * a JTAG is used, this causes the program execution to halt when reached until manually resumed.
- *
- * \note This macro is not available for all architectures.
- */
- #define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("break" ::)
-
- /** Macro for testing condition "x" and breaking via \ref JTAG_DEBUG_BREAK() if the condition is false.
- *
- * \note This macro is not available for all architectures.
- *
- * \param[in] Condition Condition that will be evaluated.
- */
- #define JTAG_ASSERT(Condition) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE
-
- /** Macro for testing condition \c "x" and writing debug data to the stdout stream if \c false. The stdout stream
- * must be pre-initialized before this macro is run and linked to an output device, such as the microcontroller's
- * USART peripheral.
- *
- * The output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion {Condition} failed."
- *
- * \note This macro is not available for all architectures.
- *
- * \param[in] Condition Condition that will be evaluated,
- */
- #define STDOUT_ASSERT(Condition) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \
- "Assertion \"%s\" failed.\r\n"), \
- __FILE__, __func__, __LINE__, #Condition); } }MACROE
-
- #if !defined(pgm_read_ptr) || defined(__DOXYGEN__)
- /** Reads a pointer out of PROGMEM space on the AVR8 architecture. This is currently a wrapper for the
- * avr-libc \c pgm_read_ptr() macro with a \c void* cast, so that its value can be assigned directly
- * to a pointer variable or used in pointer arithmetic without further casting in C. In a future
- * avr-libc distribution this will be part of the standard API and will be implemented in a more formal
- * manner.
- *
- * \note This macro is not available for all architectures.
- *
- * \param[in] Address Address of the pointer to read.
- *
- * \return Pointer retrieved from PROGMEM space.
- */
- #define pgm_read_ptr(Address) (void*)pgm_read_word(Address)
- #endif
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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 disclaim 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 Architecture specific definitions relating to specific processor architectures. + * + * \copydetails Group_ArchitectureSpecific + * + * \note Do not include this file directly, rather include the Common.h header file instead to gain this file's + * functionality. + */ + +/** \ingroup Group_Common + * \defgroup Group_ArchitectureSpecific Architecture Specific Definitions + * \brief Architecture specific definitions relating to specific processor architectures. + * + * Architecture specific macros, functions and other definitions, which relate to specific architectures. This + * definitions may or may not be available in some form on other architectures, and thus should be protected by + * preprocessor checks in portable code to prevent compile errors. + * + * @{ + */ + +#ifndef __LUFA_ARCHSPEC_H__ +#define __LUFA_ARCHSPEC_H__ + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_COMMON_H) + #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality. + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + #if (ARCH == ARCH_AVR8) || defined(__DOXYGEN__) + /** Disables the AVR's JTAG bus in software, until a system reset. This will override the current JTAG + * status as set by the JTAGEN fuse, disabling JTAG debugging and reverting the JTAG pins back to GPIO + * mode. + * + * \note This macro is not available for all architectures. + */ + #define JTAG_DISABLE() MACROS{ \ + __asm__ __volatile__ ( \ + "in __tmp_reg__,__SREG__" "\n\t" \ + "cli" "\n\t" \ + "out %1, %0" "\n\t" \ + "out __SREG__, __tmp_reg__" "\n\t" \ + "out %1, %0" "\n\t" \ + : \ + : "r" (1 << JTD), \ + "M" (_SFR_IO_ADDR(MCUCR)) \ + : "r0"); \ + }MACROE + + /** Defines a volatile \c NOP statement which cannot be optimized out by the compiler, and thus can always + * be set as a breakpoint in the resulting code. Useful for debugging purposes, where the optimizer + * removes/reorders code to the point where break points cannot reliably be set. + * + * \note This macro is not available for all architectures. + */ + #define JTAG_DEBUG_POINT() __asm__ __volatile__ ("nop" ::) + + /** Defines an explicit JTAG break point in the resulting binary via the assembly \c BREAK statement. When + * a JTAG is used, this causes the program execution to halt when reached until manually resumed. + * + * \note This macro is not available for all architectures. + */ + #define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("break" ::) + + /** Macro for testing condition "x" and breaking via \ref JTAG_DEBUG_BREAK() if the condition is false. + * + * \note This macro is not available for all architectures. + * + * \param[in] Condition Condition that will be evaluated. + */ + #define JTAG_ASSERT(Condition) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE + + /** Macro for testing condition \c "x" and writing debug data to the stdout stream if \c false. The stdout stream + * must be pre-initialized before this macro is run and linked to an output device, such as the microcontroller's + * USART peripheral. + * + * The output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion {Condition} failed." + * + * \note This macro is not available for all architectures. + * + * \param[in] Condition Condition that will be evaluated, + */ + #define STDOUT_ASSERT(Condition) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \ + "Assertion \"%s\" failed.\r\n"), \ + __FILE__, __func__, __LINE__, #Condition); } }MACROE + + #if !defined(pgm_read_ptr) || defined(__DOXYGEN__) + /** Reads a pointer out of PROGMEM space on the AVR8 architecture. This is currently a wrapper for the + * avr-libc \c pgm_read_ptr() macro with a \c void* cast, so that its value can be assigned directly + * to a pointer variable or used in pointer arithmetic without further casting in C. In a future + * avr-libc distribution this will be part of the standard API and will be implemented in a more formal + * manner. + * + * \note This macro is not available for all architectures. + * + * \param[in] Address Address of the pointer to read. + * + * \return Pointer retrieved from PROGMEM space. + */ + #define pgm_read_ptr(Address) (void*)pgm_read_word(Address) + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h index fc99b9210..74233d4d5 100644 --- a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h +++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Buttons.h @@ -1,103 +1,103 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, 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 disclaim 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 Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
- * \copydetails Group_Buttons_A3BU_XPLAINED
- *
- * \note This file should not be included directly. It is automatically included as needed by the Buttons driver
- * dispatch header located in LUFA/Drivers/Board/Buttons.h.
- */
-
-/** \ingroup Group_Buttons
- * \defgroup Group_Buttons_A3BU_XPLAINED XMEGA A3BU Xplained.
- * \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
- *
- * Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
- *
- * @{
- */
-
-#ifndef __BUTTONS_A3BU_XPLAINED_H__
-#define __BUTTONS_A3BU_XPLAINED_H__
-
- /* Includes: */
- #include <avr/io.h>
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_BUTTONS_H)
- #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Button mask for the first button on the board. */
- #define BUTTONS_BUTTON1 (1 << 5)
-
- /** Button mask for the second button on the board. */
- #define BUTTONS_BUTTON2 (1 << 1)
-
- /** Button mask for the third button on the board. */
- #define BUTTONS_BUTTON3 (1 << 2)
-
- /* Inline Functions: */
- #if !defined(__DOXYGEN__)
- static inline void Buttons_Init(void)
- {
- PORTE_OUTCLR = BUTTONS_BUTTON1;
- PORTF_OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
-
- PORTE_PIN5CTRL = PORT_OPC_PULLUP_gc;
- PORTF_PIN1CTRL = PORT_OPC_PULLUP_gc;
- PORTF_PIN2CTRL = PORT_OPC_PULLUP_gc;
- }
-
- static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t Buttons_GetStatus(void)
- {
- return ((~PORTE_IN & BUTTONS_BUTTON1) | (~PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3)));
- }
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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 disclaim 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 Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained. + * \copydetails Group_Buttons_A3BU_XPLAINED + * + * \note This file should not be included directly. It is automatically included as needed by the Buttons driver + * dispatch header located in LUFA/Drivers/Board/Buttons.h. + */ + +/** \ingroup Group_Buttons + * \defgroup Group_Buttons_A3BU_XPLAINED XMEGA A3BU Xplained. + * \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained. + * + * Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained. + * + * @{ + */ + +#ifndef __BUTTONS_A3BU_XPLAINED_H__ +#define __BUTTONS_A3BU_XPLAINED_H__ + + /* Includes: */ + #include <avr/io.h> + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_BUTTONS_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Button mask for the first button on the board. */ + #define BUTTONS_BUTTON1 (1 << 5) + + /** Button mask for the second button on the board. */ + #define BUTTONS_BUTTON2 (1 << 1) + + /** Button mask for the third button on the board. */ + #define BUTTONS_BUTTON3 (1 << 2) + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void Buttons_Init(void) + { + PORTE_OUTCLR = BUTTONS_BUTTON1; + PORTF_OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3); + + PORTE_PIN5CTRL = PORT_OPC_PULLUP_gc; + PORTF_PIN1CTRL = PORT_OPC_PULLUP_gc; + PORTF_PIN2CTRL = PORT_OPC_PULLUP_gc; + } + + static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT; + static inline uint8_t Buttons_GetStatus(void) + { + return ((~PORTE_IN & BUTTONS_BUTTON1) | (~PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3))); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + + diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h index a03878f5c..18c66078e 100644 --- a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h +++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/Dataflash.h @@ -1,220 +1,220 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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 Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
- * \copydetails Group_Dataflash_A3BU_XPLAINED
- *
- * \note This file should not be included directly. It is automatically included as needed by the dataflash driver
- * dispatch header located in LUFA/Drivers/Board/Dataflash.h.
- */
-
-/** \ingroup Group_Dataflash
- * \defgroup Group_Dataflash_A3BU_XPLAINED XMEGA A3BU Xplained.
- * \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained.
- *
- * Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board.
- *
- * @{
- */
-
-#ifndef __DATAFLASH_A3BU_XPLAINED_H__
-#define __DATAFLASH_A3BU_XPLAINED_H__
-
- /* Includes: */
- #include "../../../../Common/Common.h"
- #include "../../../Misc/AT45DB642D.h"
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_DATAFLASH_H)
- #error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define DATAFLASH_CHIPCS_MASK (1 << 4)
- #define DATAFLASH_CHIPCS_PORT PORTF
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Constant indicating the total number of dataflash ICs mounted on the selected board. */
- #define DATAFLASH_TOTALCHIPS 1
-
- /** Mask for no dataflash chip selected. */
- #define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
-
- /** Mask for the first dataflash chip selected. */
- #define DATAFLASH_CHIP1 0
-
- /** Internal main memory page size for the board's dataflash ICs. */
- #define DATAFLASH_PAGE_SIZE 1024
-
- /** Total number of pages inside each of the board's dataflash ICs. */
- #define DATAFLASH_PAGES 8192
-
- /* Inline Functions: */
- /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.
- * The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.
- */
- static inline void Dataflash_Init(void)
- {
- DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK;
- DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK;
- }
-
- /** 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
- *
- * \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)
- {
- // TODO
- return 0;
- }
-
- /** 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
- */
- static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline void Dataflash_SendByte(const uint8_t Byte)
- {
- // TODO
- }
-
- /** 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)
- {
- // TODO
- return 0;
- }
-
- /** 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;
- static inline uint8_t Dataflash_GetSelectedChip(void)
- {
- return (DATAFLASH_CHIPCS_PORT.OUT & 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
- * 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.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask);
- }
-
- /** Deselects the current dataflash chip, so that no dataflash is selected. */
- static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE;
- static inline void Dataflash_DeselectChip(void)
- {
- Dataflash_SelectChip(DATAFLASH_NO_CHIP);
- }
-
- /** 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
- * 0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
- */
- static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
- {
- Dataflash_DeselectChip();
-
- if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))
- return;
-
- if (PageAddress & 0x01)
- Dataflash_SelectChip(DATAFLASH_CHIP2);
- else
- Dataflash_SelectChip(DATAFLASH_CHIP1);
- }
-
- /** 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();
- }
-
- /** 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)
- {
- PageAddress >>= 1;
-
- Dataflash_SendByte(PageAddress >> 5);
- Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
- Dataflash_SendByte(BufferByte);
- }
-
-#endif
-
-/** @} */
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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 disclaim 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 Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained. + * \copydetails Group_Dataflash_A3BU_XPLAINED + * + * \note This file should not be included directly. It is automatically included as needed by the dataflash driver + * dispatch header located in LUFA/Drivers/Board/Dataflash.h. + */ + +/** \ingroup Group_Dataflash + * \defgroup Group_Dataflash_A3BU_XPLAINED XMEGA A3BU Xplained. + * \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained. + * + * Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board. + * + * @{ + */ + +#ifndef __DATAFLASH_A3BU_XPLAINED_H__ +#define __DATAFLASH_A3BU_XPLAINED_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../../../Misc/AT45DB642D.h" + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_DATAFLASH_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define DATAFLASH_CHIPCS_MASK (1 << 4) + #define DATAFLASH_CHIPCS_PORT PORTF + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Constant indicating the total number of dataflash ICs mounted on the selected board. */ + #define DATAFLASH_TOTALCHIPS 1 + + /** Mask for no dataflash chip selected. */ + #define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK + + /** Mask for the first dataflash chip selected. */ + #define DATAFLASH_CHIP1 0 + + /** Internal main memory page size for the board's dataflash ICs. */ + #define DATAFLASH_PAGE_SIZE 1024 + + /** Total number of pages inside each of the board's dataflash ICs. */ + #define DATAFLASH_PAGES 8192 + + /* Inline Functions: */ + /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC. + * The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used. + */ + static inline void Dataflash_Init(void) + { + DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK; + DATAFLASH_CHIPCS_PORT.OUTSET = DATAFLASH_CHIPCS_MASK; + } + + /** 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 + * + * \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) + { + // TODO + return 0; + } + + /** 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 + */ + static inline void Dataflash_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE; + static inline void Dataflash_SendByte(const uint8_t Byte) + { + // TODO + } + + /** 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) + { + // TODO + return 0; + } + + /** 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; + static inline uint8_t Dataflash_GetSelectedChip(void) + { + return (DATAFLASH_CHIPCS_PORT.OUT & 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 + * 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.OUT = ((DATAFLASH_CHIPCS_PORT.OUT & ~DATAFLASH_CHIPCS_MASK) | ChipMask); + } + + /** Deselects the current dataflash chip, so that no dataflash is selected. */ + static inline void Dataflash_DeselectChip(void) ATTR_ALWAYS_INLINE; + static inline void Dataflash_DeselectChip(void) + { + Dataflash_SelectChip(DATAFLASH_NO_CHIP); + } + + /** 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 + * 0 to ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). + */ + static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress) + { + Dataflash_DeselectChip(); + + if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS)) + return; + + if (PageAddress & 0x01) + Dataflash_SelectChip(DATAFLASH_CHIP2); + else + Dataflash_SelectChip(DATAFLASH_CHIP1); + } + + /** 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(); + } + + /** 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) + { + PageAddress >>= 1; + + Dataflash_SendByte(PageAddress >> 5); + Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8)); + Dataflash_SendByte(BufferByte); + } + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/LEDs.h b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/LEDs.h index ad6d9070f..eb37ae4c6 100644 --- a/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/LEDs.h +++ b/LUFA/Drivers/Board/XMEGA/A3BU_XPLAINED/LEDs.h @@ -1,127 +1,127 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, 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 disclaim 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 Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
- * \copydetails Group_LEDs_A3BU_XPLAINED
- *
- * \note This file should not be included directly. It is automatically included as needed by the LEDs driver
- * dispatch header located in LUFA/Drivers/Board/LEDs.h.
- */
-
-/** \ingroup Group_LEDs
- * \defgroup Group_LEDs_A3BU_XPLAINED XMEGA A3BU Xplained
- * \brief Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
- *
- * Board specific LED driver header for the Atmel XMEGA A3BU Xplained.
- *
- * @{
- */
-
-#ifndef __LEDS_A3BU_XPLAINED_H__
-#define __LEDS_A3BU_XPLAINED_H__
-
- /* Includes: */
- #include <avr/io.h>
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_LEDS_H)
- #error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** LED mask for the first LED on the board. */
- #define LEDS_LED1 (1 << 0)
-
- /** LED mask for the second LED on the board. */
- #define LEDS_LED2 (1 << 1)
-
- /** LED mask for all the LEDs on the board. */
- #define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2)
-
- /** LED mask for none of the board LEDs. */
- #define LEDS_NO_LEDS 0
-
- /* Inline Functions: */
- #if !defined(__DOXYGEN__)
- static inline void LEDs_Init(void)
- {
- PORTR_DIRSET = LEDS_ALL_LEDS;
- PORTR_OUTSET = LEDS_ALL_LEDS;
- }
-
- static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
- {
- PORTR_OUTCLR = LEDMask;
- }
-
- static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
- {
- PORTR_OUTSET = LEDMask;
- }
-
- static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
- {
- PORTR_OUT = (PORTR.OUT & ~LEDS_ALL_LEDS) | LEDMask;
- }
-
- static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask)
- {
- PORTR_OUT = (PORTR.OUT & ~LEDMask) | ActiveMask;
- }
-
- static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
- {
- PORTR_OUTTGL = LEDMask;
- }
-
- static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t LEDs_GetLEDs(void)
- {
- return (PORTR_OUT & LEDS_ALL_LEDS);
- }
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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 disclaim 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 Board specific LED driver header for the Atmel XMEGA A3BU Xplained. + * \copydetails Group_LEDs_A3BU_XPLAINED + * + * \note This file should not be included directly. It is automatically included as needed by the LEDs driver + * dispatch header located in LUFA/Drivers/Board/LEDs.h. + */ + +/** \ingroup Group_LEDs + * \defgroup Group_LEDs_A3BU_XPLAINED XMEGA A3BU Xplained + * \brief Board specific LED driver header for the Atmel XMEGA A3BU Xplained. + * + * Board specific LED driver header for the Atmel XMEGA A3BU Xplained. + * + * @{ + */ + +#ifndef __LEDS_A3BU_XPLAINED_H__ +#define __LEDS_A3BU_XPLAINED_H__ + + /* Includes: */ + #include <avr/io.h> + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_LEDS_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** LED mask for the first LED on the board. */ + #define LEDS_LED1 (1 << 0) + + /** LED mask for the second LED on the board. */ + #define LEDS_LED2 (1 << 1) + + /** LED mask for all the LEDs on the board. */ + #define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2) + + /** LED mask for none of the board LEDs. */ + #define LEDS_NO_LEDS 0 + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void LEDs_Init(void) + { + PORTR_DIRSET = LEDS_ALL_LEDS; + PORTR_OUTSET = LEDS_ALL_LEDS; + } + + static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask) + { + PORTR_OUTCLR = LEDMask; + } + + static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask) + { + PORTR_OUTSET = LEDMask; + } + + static inline void LEDs_SetAllLEDs(const uint8_t LEDMask) + { + PORTR_OUT = (PORTR.OUT & ~LEDS_ALL_LEDS) | LEDMask; + } + + static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask) + { + PORTR_OUT = (PORTR.OUT & ~LEDMask) | ActiveMask; + } + + static inline void LEDs_ToggleLEDs(const uint8_t LEDMask) + { + PORTR_OUTTGL = LEDMask; + } + + static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT; + static inline uint8_t LEDs_GetLEDs(void) + { + return (PORTR_OUT & LEDS_ALL_LEDS); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + + diff --git a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h index 688b91684..91e86c38f 100644 --- a/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h +++ b/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h @@ -1,248 +1,248 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim 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 SPI Peripheral Driver (XMEGA)
- *
- * On-chip SPI driver for the XMEGA microcontrollers.
- *
- * \note This file should not be included directly. It is automatically included as needed by the SPI driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- */
-
-/** \ingroup Group_SPI
- * \defgroup Group_SPI_XMEGA SPI Peripheral Driver (XMEGA)
- *
- * \section Sec_ModDescription Module Description
- * Driver for the hardware SPI port(s) available on XMEGA AVR microcontroller models. This
- * module provides an easy to use driver for the setup and transfer of data over the AVR's
- * SPI ports.
- *
- * \note This file should not be included directly. It is automatically included as needed by the SPI driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- *
- * \code
- * // Initialize the SPI driver before first use
- * SPI_Init(&SPIC,
- * SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
- * SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
- *
- * // Send several bytes, ignoring the returned data
- * SPI_SendByte(&SPIC, 0x01);
- * SPI_SendByte(&SPIC, 0x02);
- * SPI_SendByte(&SPIC, 0x03);
- *
- * // Receive several bytes, sending a dummy 0x00 byte each time
- * uint8_t Byte1 = SPI_ReceiveByte(&SPIC);
- * uint8_t Byte2 = SPI_ReceiveByte(&SPIC);
- * uint8_t Byte3 = SPI_ReceiveByte(&SPIC);
- *
- * // Send a byte, and store the received byte from the same transaction
- * uint8_t ResponseByte = SPI_TransferByte(&SPIC, 0xDC);
- * \endcode
- *
- * @{
- */
-
-#ifndef __SPI_XMEGA_H__
-#define __SPI_XMEGA_H__
-
- /* Includes: */
- #include "../../../Common/Common.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_SPI_H)
- #error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead.
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define SPI_USE_DOUBLESPEED SPI_CLK2X_bm
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** \name SPI Prescaler Configuration Masks */
- //@{
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 2. */
- #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 4. */
- #define SPI_SPEED_FCPU_DIV_4 0
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 8. */
- #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPI_PRESCALER_gp))
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 16. */
- #define SPI_SPEED_FCPU_DIV_16 (1 << SPI_PRESCALER_gp)
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 32. */
- #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (2 << SPI_PRESCALER_gp))
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 64. */
- #define SPI_SPEED_FCPU_DIV_64 (2 << SPI_PRESCALER_gp)
-
- /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 128. */
- #define SPI_SPEED_FCPU_DIV_128 (3 << SPI_PRESCALER_gp)
- //@}
-
- /** \name SPI SCK Polarity Configuration Masks */
- //@{
- /** SPI clock polarity mask for \c SPI_Init(). Indicates that the SCK should lead on the rising edge. */
- #define SPI_SCK_LEAD_RISING 0
-
- /** SPI clock polarity mask for \c SPI_Init(). Indicates that the SCK should lead on the falling edge. */
- #define SPI_SCK_LEAD_FALLING SPI_MODE1_bm
- //@}
-
- /** \name SPI Sample Edge Configuration Masks */
- //@{
- /** SPI data sample mode mask for \c SPI_Init(). Indicates that the data should sampled on the leading edge. */
- #define SPI_SAMPLE_LEADING 0
-
- /** SPI data sample mode mask for \c SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
- #define SPI_SAMPLE_TRAILING SPI_MODE0_bm
- //@}
-
- /** \name SPI Data Ordering Configuration Masks */
- //@{
- /** SPI data order mask for \c SPI_Init(). Indicates that data should be shifted out MSB first. */
- #define SPI_ORDER_MSB_FIRST 0
-
- /** SPI data order mask for \c SPI_Init(). Indicates that data should be shifted out LSB first. */
- #define SPI_ORDER_LSB_FIRST SPI_DORD_bm
- //@}
-
- /** \name SPI Mode Configuration Masks */
- //@{
- /** SPI mode mask for \c SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
- #define SPI_MODE_SLAVE 0
-
- /** SPI mode mask for \c SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
- #define SPI_MODE_MASTER SPI_MASTER_bm
- //@}
-
- /* Inline Functions: */
- /** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
- * SPI routines.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] SPIOptions SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*,
- * \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks.
- */
- static inline void SPI_Init(const SPI_t* SPI,
- const uint8_t SPIOptions)
- {
- SPI->CTRL = (SPIOptions | SPI_ENABLE_bm);
- }
-
- /** Turns off the SPI driver, disabling and returning used hardware to their default configuration.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- */
- static inline void SPI_Disable(const SPI_t* SPI)
- {
- SPI->CTRL &= ~SPI_ENABLE_bm;
- }
-
- /** Retrieves the currently selected SPI mode, once the SPI interface has been configured.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- *
- * \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise
- */
- static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI) ATTR_ALWAYS_INLINE;
- static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI)
- {
- return (SPI->CTRL & SPI_MASTER_bm);
- }
-
- /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] Byte Byte to send through the SPI interface.
- *
- * \return Response byte from the attached SPI device.
- */
- static inline uint8_t SPI_TransferByte(const SPI_t* SPI,
- const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline uint8_t SPI_TransferByte(const SPI_t* SPI,
- const uint8_t Byte)
- {
- SPI->DATA = Byte;
- while (!(SPI->STATUS & SPI_IF_bm));
- return SPI->DATA;
- }
-
- /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
- * byte sent to from the attached SPI device is ignored.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- * \param[in] Byte Byte to send through the SPI interface.
- */
- static inline void SPI_SendByte(const SPI_t* SPI,
- const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline void SPI_SendByte(const SPI_t* SPI,
- const uint8_t Byte)
- {
- SPI->DATA = Byte;
- while (!(SPI->STATUS & SPI_IF_bm));
- }
-
- /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
- * byte from the attached SPI device is returned.
- *
- * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device.
- *
- * \return The response byte from the attached SPI device.
- */
- static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI)
- {
- SPI->DATA = 0;
- while (!(SPI->STATUS & SPI_IF_bm));
- return SPI->DATA;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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 disclaim 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 SPI Peripheral Driver (XMEGA) + * + * On-chip SPI driver for the XMEGA microcontrollers. + * + * \note This file should not be included directly. It is automatically included as needed by the SPI driver + * dispatch header located in LUFA/Drivers/Peripheral/SPI.h. + */ + +/** \ingroup Group_SPI + * \defgroup Group_SPI_XMEGA SPI Peripheral Driver (XMEGA) + * + * \section Sec_ModDescription Module Description + * Driver for the hardware SPI port(s) available on XMEGA AVR microcontroller models. This + * module provides an easy to use driver for the setup and transfer of data over the AVR's + * SPI ports. + * + * \note This file should not be included directly. It is automatically included as needed by the SPI driver + * dispatch header located in LUFA/Drivers/Peripheral/SPI.h. + * + * \code + * // Initialize the SPI driver before first use + * SPI_Init(&SPIC, + * SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING | + * SPI_SAMPLE_TRAILING | SPI_MODE_MASTER); + * + * // Send several bytes, ignoring the returned data + * SPI_SendByte(&SPIC, 0x01); + * SPI_SendByte(&SPIC, 0x02); + * SPI_SendByte(&SPIC, 0x03); + * + * // Receive several bytes, sending a dummy 0x00 byte each time + * uint8_t Byte1 = SPI_ReceiveByte(&SPIC); + * uint8_t Byte2 = SPI_ReceiveByte(&SPIC); + * uint8_t Byte3 = SPI_ReceiveByte(&SPIC); + * + * // Send a byte, and store the received byte from the same transaction + * uint8_t ResponseByte = SPI_TransferByte(&SPIC, 0xDC); + * \endcode + * + * @{ + */ + +#ifndef __SPI_XMEGA_H__ +#define __SPI_XMEGA_H__ + + /* Includes: */ + #include "../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_SPI_H) + #error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define SPI_USE_DOUBLESPEED SPI_CLK2X_bm + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name SPI Prescaler Configuration Masks */ + //@{ + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 2. */ + #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 4. */ + #define SPI_SPEED_FCPU_DIV_4 0 + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 8. */ + #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPI_PRESCALER_gp)) + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 16. */ + #define SPI_SPEED_FCPU_DIV_16 (1 << SPI_PRESCALER_gp) + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 32. */ + #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (2 << SPI_PRESCALER_gp)) + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 64. */ + #define SPI_SPEED_FCPU_DIV_64 (2 << SPI_PRESCALER_gp) + + /** SPI prescaler mask for \c SPI_Init(). Divides the system clock by a factor of 128. */ + #define SPI_SPEED_FCPU_DIV_128 (3 << SPI_PRESCALER_gp) + //@} + + /** \name SPI SCK Polarity Configuration Masks */ + //@{ + /** SPI clock polarity mask for \c SPI_Init(). Indicates that the SCK should lead on the rising edge. */ + #define SPI_SCK_LEAD_RISING 0 + + /** SPI clock polarity mask for \c SPI_Init(). Indicates that the SCK should lead on the falling edge. */ + #define SPI_SCK_LEAD_FALLING SPI_MODE1_bm + //@} + + /** \name SPI Sample Edge Configuration Masks */ + //@{ + /** SPI data sample mode mask for \c SPI_Init(). Indicates that the data should sampled on the leading edge. */ + #define SPI_SAMPLE_LEADING 0 + + /** SPI data sample mode mask for \c SPI_Init(). Indicates that the data should be sampled on the trailing edge. */ + #define SPI_SAMPLE_TRAILING SPI_MODE0_bm + //@} + + /** \name SPI Data Ordering Configuration Masks */ + //@{ + /** SPI data order mask for \c SPI_Init(). Indicates that data should be shifted out MSB first. */ + #define SPI_ORDER_MSB_FIRST 0 + + /** SPI data order mask for \c SPI_Init(). Indicates that data should be shifted out LSB first. */ + #define SPI_ORDER_LSB_FIRST SPI_DORD_bm + //@} + + /** \name SPI Mode Configuration Masks */ + //@{ + /** SPI mode mask for \c SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */ + #define SPI_MODE_SLAVE 0 + + /** SPI mode mask for \c SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */ + #define SPI_MODE_MASTER SPI_MASTER_bm + //@} + + /* Inline Functions: */ + /** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other + * SPI routines. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + * \param[in] SPIOptions SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*, + * \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks. + */ + static inline void SPI_Init(const SPI_t* SPI, + const uint8_t SPIOptions) + { + SPI->CTRL = (SPIOptions | SPI_ENABLE_bm); + } + + /** Turns off the SPI driver, disabling and returning used hardware to their default configuration. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + */ + static inline void SPI_Disable(const SPI_t* SPI) + { + SPI->CTRL &= ~SPI_ENABLE_bm; + } + + /** Retrieves the currently selected SPI mode, once the SPI interface has been configured. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + * + * \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise + */ + static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI) ATTR_ALWAYS_INLINE; + static inline uint8_t SPI_GetCurrentMode(const SPI_t* SPI) + { + return (SPI->CTRL & SPI_MASTER_bm); + } + + /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + * \param[in] Byte Byte to send through the SPI interface. + * + * \return Response byte from the attached SPI device. + */ + static inline uint8_t SPI_TransferByte(const SPI_t* SPI, + const uint8_t Byte) ATTR_ALWAYS_INLINE; + static inline uint8_t SPI_TransferByte(const SPI_t* SPI, + const uint8_t Byte) + { + SPI->DATA = Byte; + while (!(SPI->STATUS & SPI_IF_bm)); + return SPI->DATA; + } + + /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response + * byte sent to from the attached SPI device is ignored. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + * \param[in] Byte Byte to send through the SPI interface. + */ + static inline void SPI_SendByte(const SPI_t* SPI, + const uint8_t Byte) ATTR_ALWAYS_INLINE; + static inline void SPI_SendByte(const SPI_t* SPI, + const uint8_t Byte) + { + SPI->DATA = Byte; + while (!(SPI->STATUS & SPI_IF_bm)); + } + + /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response + * byte from the attached SPI device is returned. + * + * \param[in, out] SPI Pointer to the base of the SPI peripheral within the device. + * + * \return The response byte from the attached SPI device. + */ + static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline uint8_t SPI_ReceiveByte(const SPI_t* SPI) + { + SPI->DATA = 0; + while (!(SPI->STATUS & SPI_IF_bm)); + return SPI->DATA; + } + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + |