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-rw-r--r--LUFA/Common/Attributes.h276
-rw-r--r--LUFA/Common/BoardTypes.h240
-rw-r--r--LUFA/Common/Common.h370
3 files changed, 443 insertions, 443 deletions
diff --git a/LUFA/Common/Attributes.h b/LUFA/Common/Attributes.h
index fed511a50..a3247b0c7 100644
--- a/LUFA/Common/Attributes.h
+++ b/LUFA/Common/Attributes.h
@@ -1,138 +1,138 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 AVR-GCC special function/variable attribute macros.
- *
- * This file contains macros for applying GCC specific attributes to functions and variables to control various
- * optimizer and code generation features of the compiler. Attributes may be placed in the function prototype
- * or variable declaration in any order, and multiple attributes can be specified for a single item via a space
- * separated list.
- *
- * On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are
- * critical to the code's function and thus must throw a compiler error when used.
- *
- * \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_GCCAttr Function/Variable Attributes
- *
- * Macros for easy access GCC function and variable attributes, which can be applied to function prototypes or
- * variable attributes.
- *
- * @{
- */
-
-#ifndef __FUNCATTR_H__
-#define __FUNCATTR_H__
-
- /* Preprocessor Checks: */
- #if !defined(__COMMON_H__)
- #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- #if (__GNUC__ >= 3) || defined(__DOXYGEN__)
- /** Indicates to the compiler that the function can not ever return, so that any stack restoring or
- * return code may be omitted by the compiler in the resulting binary.
- */
- #define ATTR_NO_RETURN __attribute__ ((noreturn))
-
- /** Indicates that the function returns a value which should not be ignored by the user code. When
- * applied, any ignored return value from calling the function will produce a compiler warning.
- */
- #define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
-
- /** Indicates that the specified parameters of the function are pointers which should never be NULL.
- * When applied as a 1-based comma separated list the compiler will emit a warning if the specified
- * parameters are known at compiler time to be NULL at the point of calling the function.
- */
- #define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__)))
-
- /** Removes any preamble or postamble from the function. When used, the function will not have any
- * register or stack saving code. This should be used with caution, and when used the programmer
- * is responsible for maintaining stack and register integrity.
- */
- #define ATTR_NAKED __attribute__ ((naked))
-
- /** Prevents the compiler from considering a specified function for inlining. When applied, the given
- * function will not be inlined under any circumstances.
- */
- #define ATTR_NO_INLINE __attribute__ ((noinline))
-
- /** Forces the compiler to inline the specified function. When applied, the given function will be
- * inlined under all circumstances.
- */
- #define ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
-
- /** Indicates that the specified function is pure, in that it has no side-effects other than global
- * or parameter variable access.
- */
- #define ATTR_PURE __attribute__ ((pure))
-
- /** Indicates that the specified function is constant, in that it has no side effects other than
- * parameter access.
- */
- #define ATTR_CONST __attribute__ ((const))
-
- /** Marks a given function as deprecated, which produces a warning if the function is called. */
- #define ATTR_DEPRECATED __attribute__ ((deprecated))
-
- /** Marks a function as a weak reference, which can be overridden by other functions with an
- * identical name (in which case the weak reference is discarded at link time).
- */
- #define ATTR_WEAK __attribute__ ((weak))
-
- /** Forces the compiler to not automatically zero the given global variable on startup, so that the
- * current RAM contents is retained. Under most conditions this value will be random due to the
- * behaviour of volatile memory once power is removed, but may be used in some specific circumstances,
- * like the passing of values back after a system watchdog reset.
- */
- #define ATTR_NO_INIT __attribute__ ((section (".noinit")))
- #endif
-
- /** Places the function in one of the initialization sections, which execute before the main function
- * of the application. Refer to the avr-libc manual for more information on the initialization sections.
- *
- * \param[in] x Initialization section number where the function should be placed
- */
- #define ATTR_INIT_SECTION(x) __attribute__ ((naked, section (".init" #x )))
-
- /** Marks a function as an alias for another function.
- *
- * \param[in] x Name of the function which the given function name should alias
- */
- #define ATTR_ALIAS(x) __attribute__ ((alias( #x )))
-#endif
-
-/** @} */
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 AVR-GCC special function/variable attribute macros.
+ *
+ * This file contains macros for applying GCC specific attributes to functions and variables to control various
+ * optimizer and code generation features of the compiler. Attributes may be placed in the function prototype
+ * or variable declaration in any order, and multiple attributes can be specified for a single item via a space
+ * separated list.
+ *
+ * On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are
+ * critical to the code's function and thus must throw a compiler error when used.
+ *
+ * \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_GCCAttr Function/Variable Attributes
+ *
+ * Macros for easy access GCC function and variable attributes, which can be applied to function prototypes or
+ * variable attributes.
+ *
+ * @{
+ */
+
+#ifndef __FUNCATTR_H__
+#define __FUNCATTR_H__
+
+ /* Preprocessor Checks: */
+ #if !defined(__COMMON_H__)
+ #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ #if (__GNUC__ >= 3) || defined(__DOXYGEN__)
+ /** Indicates to the compiler that the function can not ever return, so that any stack restoring or
+ * return code may be omitted by the compiler in the resulting binary.
+ */
+ #define ATTR_NO_RETURN __attribute__ ((noreturn))
+
+ /** Indicates that the function returns a value which should not be ignored by the user code. When
+ * applied, any ignored return value from calling the function will produce a compiler warning.
+ */
+ #define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
+
+ /** Indicates that the specified parameters of the function are pointers which should never be NULL.
+ * When applied as a 1-based comma separated list the compiler will emit a warning if the specified
+ * parameters are known at compiler time to be NULL at the point of calling the function.
+ */
+ #define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__)))
+
+ /** Removes any preamble or postamble from the function. When used, the function will not have any
+ * register or stack saving code. This should be used with caution, and when used the programmer
+ * is responsible for maintaining stack and register integrity.
+ */
+ #define ATTR_NAKED __attribute__ ((naked))
+
+ /** Prevents the compiler from considering a specified function for inlining. When applied, the given
+ * function will not be inlined under any circumstances.
+ */
+ #define ATTR_NO_INLINE __attribute__ ((noinline))
+
+ /** Forces the compiler to inline the specified function. When applied, the given function will be
+ * inlined under all circumstances.
+ */
+ #define ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
+
+ /** Indicates that the specified function is pure, in that it has no side-effects other than global
+ * or parameter variable access.
+ */
+ #define ATTR_PURE __attribute__ ((pure))
+
+ /** Indicates that the specified function is constant, in that it has no side effects other than
+ * parameter access.
+ */
+ #define ATTR_CONST __attribute__ ((const))
+
+ /** Marks a given function as deprecated, which produces a warning if the function is called. */
+ #define ATTR_DEPRECATED __attribute__ ((deprecated))
+
+ /** Marks a function as a weak reference, which can be overridden by other functions with an
+ * identical name (in which case the weak reference is discarded at link time).
+ */
+ #define ATTR_WEAK __attribute__ ((weak))
+
+ /** Forces the compiler to not automatically zero the given global variable on startup, so that the
+ * current RAM contents is retained. Under most conditions this value will be random due to the
+ * behaviour of volatile memory once power is removed, but may be used in some specific circumstances,
+ * like the passing of values back after a system watchdog reset.
+ */
+ #define ATTR_NO_INIT __attribute__ ((section (".noinit")))
+ #endif
+
+ /** Places the function in one of the initialization sections, which execute before the main function
+ * of the application. Refer to the avr-libc manual for more information on the initialization sections.
+ *
+ * \param[in] x Initialization section number where the function should be placed
+ */
+ #define ATTR_INIT_SECTION(x) __attribute__ ((naked, section (".init" #x )))
+
+ /** Marks a function as an alias for another function.
+ *
+ * \param[in] x Name of the function which the given function name should alias
+ */
+ #define ATTR_ALIAS(x) __attribute__ ((alias( #x )))
+#endif
+
+/** @} */
diff --git a/LUFA/Common/BoardTypes.h b/LUFA/Common/BoardTypes.h
index 700da980c..4849384fc 100644
--- a/LUFA/Common/BoardTypes.h
+++ b/LUFA/Common/BoardTypes.h
@@ -1,120 +1,120 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 Supported board hardware defines.
- *
- * This file contains constants which can be passed to the compiler (via setting the macro BOARD) in the
- * user project makefile using the -D option to configure the library board-specific drivers.
- *
- * \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_BoardTypes Board Types
- *
- * Macros for indicating the chosen physical board hardware to the library. These macros should be used when
- * defining the BOARD token to the chosen hardware via the -D switch in the project makefile.
- *
- * @{
- */
-
-#ifndef __BOARDTYPES_H__
-#define __BOARDTYPES_H__
-
- /* Preprocessor Checks: */
- #if !defined(__COMMON_H__)
- #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Selects the USBKEY specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
- #define BOARD_USBKEY 0
-
- /** Selects the STK525 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
- #define BOARD_STK525 1
-
- /** Selects the STK526 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
- #define BOARD_STK526 2
-
- /** Selects the RZUSBSTICK specific board drivers, including the driver for the boards LEDs. */
- #define BOARD_RZUSBSTICK 3
-
- /** Selects the ATAVRUSBRF01 specific board drivers, including the driver for the board LEDs. */
- #define BOARD_ATAVRUSBRF01 4
-
- /** Selects the user-defined board drivers, which should be placed in the user project's folder
- * under a directory named /Board/. Each board driver should be named identically to the LUFA
- * master board driver (i.e., driver in the LUFA/Drivers/Board director) so that the library
- * can correctly identify it.
- */
- #define BOARD_USER 5
-
- /** Selects the BUMBLEB specific board drivers, using the officially recommended peripheral layout. */
- #define BOARD_BUMBLEB 6
-
- /** Selects the XPLAIN (Revision 2 or newer) specific board drivers, including LED and Dataflash driver. */
- #define BOARD_XPLAIN 7
-
- /** Selects the XPLAIN (Revision 1) specific board drivers, including LED and Dataflash driver. */
- #define BOARD_XPLAIN_REV1 8
-
- /** Selects the EVK527 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
- #define BOARD_EVK527 9
-
- /** Disables board drivers when operation will not be adversely affected (e.g. LEDs) - use of board drivers
- * such as the Joystick driver, where the removal would adversely affect the code's operation is still disallowed. */
- #define BOARD_NONE 10
-
- /** Selects the Teensy (all versions) specific board drivers, including the driver for the board LEDs. */
- #define BOARD_TEENSY 11
-
- /** Selects the USBTINY MKII specific board drivers, including the Button and LEDs drivers. */
- #define BOARD_USBTINYMKII 12
-
- /** Selects the Benito specific board drivers, including the Button and LEDs drivers. */
- #define BOARD_BENITO 13
-
- /** Selects the JM-DB-U2 specific board drivers, including the Button and LEDs drivers. */
- #define BOARD_JMDBU2 14
-
- #if !defined(__DOXYGEN__)
- #define BOARD_ BOARD_NONE
-
- #if !defined(BOARD)
- #define BOARD BOARD_NONE
- #endif
- #endif
-
-#endif
-
-/** @} */
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 Supported board hardware defines.
+ *
+ * This file contains constants which can be passed to the compiler (via setting the macro BOARD) in the
+ * user project makefile using the -D option to configure the library board-specific drivers.
+ *
+ * \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_BoardTypes Board Types
+ *
+ * Macros for indicating the chosen physical board hardware to the library. These macros should be used when
+ * defining the BOARD token to the chosen hardware via the -D switch in the project makefile.
+ *
+ * @{
+ */
+
+#ifndef __BOARDTYPES_H__
+#define __BOARDTYPES_H__
+
+ /* Preprocessor Checks: */
+ #if !defined(__COMMON_H__)
+ #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Selects the USBKEY specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
+ #define BOARD_USBKEY 0
+
+ /** Selects the STK525 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
+ #define BOARD_STK525 1
+
+ /** Selects the STK526 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
+ #define BOARD_STK526 2
+
+ /** Selects the RZUSBSTICK specific board drivers, including the driver for the boards LEDs. */
+ #define BOARD_RZUSBSTICK 3
+
+ /** Selects the ATAVRUSBRF01 specific board drivers, including the driver for the board LEDs. */
+ #define BOARD_ATAVRUSBRF01 4
+
+ /** Selects the user-defined board drivers, which should be placed in the user project's folder
+ * under a directory named /Board/. Each board driver should be named identically to the LUFA
+ * master board driver (i.e., driver in the LUFA/Drivers/Board director) so that the library
+ * can correctly identify it.
+ */
+ #define BOARD_USER 5
+
+ /** Selects the BUMBLEB specific board drivers, using the officially recommended peripheral layout. */
+ #define BOARD_BUMBLEB 6
+
+ /** Selects the XPLAIN (Revision 2 or newer) specific board drivers, including LED and Dataflash driver. */
+ #define BOARD_XPLAIN 7
+
+ /** Selects the XPLAIN (Revision 1) specific board drivers, including LED and Dataflash driver. */
+ #define BOARD_XPLAIN_REV1 8
+
+ /** Selects the EVK527 specific board drivers, including Temperature, Button, Dataflash, Joystick and LED drivers. */
+ #define BOARD_EVK527 9
+
+ /** Disables board drivers when operation will not be adversely affected (e.g. LEDs) - use of board drivers
+ * such as the Joystick driver, where the removal would adversely affect the code's operation is still disallowed. */
+ #define BOARD_NONE 10
+
+ /** Selects the Teensy (all versions) specific board drivers, including the driver for the board LEDs. */
+ #define BOARD_TEENSY 11
+
+ /** Selects the USBTINY MKII specific board drivers, including the Button and LEDs drivers. */
+ #define BOARD_USBTINYMKII 12
+
+ /** Selects the Benito specific board drivers, including the Button and LEDs drivers. */
+ #define BOARD_BENITO 13
+
+ /** Selects the JM-DB-U2 specific board drivers, including the Button and LEDs drivers. */
+ #define BOARD_JMDBU2 14
+
+ #if !defined(__DOXYGEN__)
+ #define BOARD_ BOARD_NONE
+
+ #if !defined(BOARD)
+ #define BOARD BOARD_NONE
+ #endif
+ #endif
+
+#endif
+
+/** @} */
diff --git a/LUFA/Common/Common.h b/LUFA/Common/Common.h
index a59a213a8..308897e6d 100644
--- a/LUFA/Common/Common.h
+++ b/LUFA/Common/Common.h
@@ -1,185 +1,185 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 Common library convenience macros and functions.
- *
- * This file contains macros which are common to all library elements, and which may be useful in user code. It
- * also includes other common headers, such as Atomic.h, Attributes.h and BoardTypes.h.
- */
-
-/** @defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
- *
- * Common utility headers containing macros, functions, enums and types which are common to all
- * aspects of the library.
- *
- * @{
- */
-
-/** @defgroup Group_Debugging Debugging Macros
- *
- * Macros for debugging use.
- */
-
-/** @defgroup Group_BitManip Endian and Bit Macros
- *
- * Functions for swapping endianness and reversing bit orders.
- */
-
-#ifndef __COMMON_H__
-#define __COMMON_H__
-
- /* Includes: */
- #include <avr/io.h>
-
- #include "Attributes.h"
- #include "BoardTypes.h"
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Macro for encasing other multi-statement macros. This should be used along with an opening brace
- * before the start of any multi-statement macro, so that the macros contents as a whole are treated
- * as a discrete block and not as a list of separate statements which may cause problems when used as
- * a block (such as inline IF statements).
- */
- #define MACROS do
-
- /** Macro for encasing other multi-statement macros. This should be used along with a preceding closing
- * brace at the end of any multi-statement macro, so that the macros contents as a whole are treated
- * as a discrete block and not as a list of separate statements which may cause problems when used as
- * a block (such as inline IF statements).
- */
- #define MACROE while (0)
-
- /** Defines a volatile 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.
- *
- * \ingroup Group_Debugging
- */
- #define JTAG_DEBUG_POINT() asm volatile ("NOP" ::)
-
- /** Defines an explicit JTAG break point in the resulting binary via the ASM BREAK statement. When
- * a JTAG is used, this causes the program execution to halt when reached until manually resumed.
- *
- * \ingroup Group_Debugging
- */
- #define JTAG_DEBUG_BREAK() asm volatile ("BREAK" ::)
-
- /** Macro for testing condition "x" and breaking via JTAG_DEBUG_BREAK() if the condition is false.
- *
- * \ingroup Group_Debugging
- */
- #define JTAG_DEBUG_ASSERT(x) MACROS{ if (!(x)) { JTAG_DEBUG_BREAK(); } }MACROE
-
- /** Macro for testing condition "x" and writing debug data to the serial stream if false. As a
- * prerequisite for this macro, the serial stream should be configured via the Peripheral/SerialStream driver.
- *
- * The serial output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion
- * {x} failed."
- *
- * \ingroup Group_Debugging
- */
- #define SERIAL_STREAM_ASSERT(x) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \
- "Assertion \"%s\" failed.\r\n"), \
- __FILE__, __func__, __LINE__, #x); \
- } }MACROE
-
- /* Inline Functions: */
- /** Function to reverse the individual bits in a byte - i.e. bit 7 is moved to bit 0, bit 6 to bit 1,
- * etc.
- *
- * \ingroup Group_BitManip
- *
- * \param[in] Byte Byte of data whose bits are to be reversed
- */
- static inline uint8_t BitReverse(uint8_t Byte) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
- static inline uint8_t BitReverse(uint8_t Byte)
- {
- Byte = (((Byte & 0xF0) >> 4) | ((Byte & 0x0F) << 4));
- Byte = (((Byte & 0xCC) >> 2) | ((Byte & 0x33) << 2));
- Byte = (((Byte & 0xAA) >> 1) | ((Byte & 0x55) << 1));
-
- return Byte;
- }
-
- /** Function to reverse the byte ordering of the individual bytes in a 16 bit number.
- *
- * \ingroup Group_BitManip
- *
- * \param[in] Word Word of data whose bytes are to be swapped
- */
- static inline uint16_t SwapEndian_16(uint16_t Word) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
- static inline uint16_t SwapEndian_16(uint16_t Word)
- {
- return ((Word >> 8) | (Word << 8));
- }
-
- /** Function to reverse the byte ordering of the individual bytes in a 32 bit number.
- *
- * \ingroup Group_BitManip
- *
- * \param[in] DWord Double word of data whose bytes are to be swapped
- */
- static inline uint32_t SwapEndian_32(uint32_t DWord) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
- static inline uint32_t SwapEndian_32(uint32_t DWord)
- {
- return (((DWord & 0xFF000000) >> 24) |
- ((DWord & 0x00FF0000) >> 8) |
- ((DWord & 0x0000FF00) << 8) |
- ((DWord & 0x000000FF) << 24));
- }
-
- /** Function to reverse the byte ordering of the individual bytes in a n byte number.
- *
- * \ingroup Group_BitManip
- *
- * \param[in,out] Data Pointer to a number containing an even number of bytes to be reversed
- * \param[in] Bytes Length of the data in bytes
- */
- static inline void SwapEndian_n(void* Data, uint8_t Bytes);
- static inline void SwapEndian_n(void* Data, uint8_t Bytes)
- {
- uint8_t* CurrDataPos = Data;
-
- while (Bytes)
- {
- uint8_t Temp = *CurrDataPos;
- *CurrDataPos = *(CurrDataPos + Bytes - 1);
- *(CurrDataPos + Bytes - 1) = Temp;
-
- CurrDataPos++;
- Bytes -= 2;
- }
- }
-
-#endif
-
-/** @} */
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 Common library convenience macros and functions.
+ *
+ * This file contains macros which are common to all library elements, and which may be useful in user code. It
+ * also includes other common headers, such as Atomic.h, Attributes.h and BoardTypes.h.
+ */
+
+/** @defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
+ *
+ * Common utility headers containing macros, functions, enums and types which are common to all
+ * aspects of the library.
+ *
+ * @{
+ */
+
+/** @defgroup Group_Debugging Debugging Macros
+ *
+ * Macros for debugging use.
+ */
+
+/** @defgroup Group_BitManip Endian and Bit Macros
+ *
+ * Functions for swapping endianness and reversing bit orders.
+ */
+
+#ifndef __COMMON_H__
+#define __COMMON_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ #include "Attributes.h"
+ #include "BoardTypes.h"
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Macro for encasing other multi-statement macros. This should be used along with an opening brace
+ * before the start of any multi-statement macro, so that the macros contents as a whole are treated
+ * as a discrete block and not as a list of separate statements which may cause problems when used as
+ * a block (such as inline IF statements).
+ */
+ #define MACROS do
+
+ /** Macro for encasing other multi-statement macros. This should be used along with a preceding closing
+ * brace at the end of any multi-statement macro, so that the macros contents as a whole are treated
+ * as a discrete block and not as a list of separate statements which may cause problems when used as
+ * a block (such as inline IF statements).
+ */
+ #define MACROE while (0)
+
+ /** Defines a volatile 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.
+ *
+ * \ingroup Group_Debugging
+ */
+ #define JTAG_DEBUG_POINT() asm volatile ("NOP" ::)
+
+ /** Defines an explicit JTAG break point in the resulting binary via the ASM BREAK statement. When
+ * a JTAG is used, this causes the program execution to halt when reached until manually resumed.
+ *
+ * \ingroup Group_Debugging
+ */
+ #define JTAG_DEBUG_BREAK() asm volatile ("BREAK" ::)
+
+ /** Macro for testing condition "x" and breaking via JTAG_DEBUG_BREAK() if the condition is false.
+ *
+ * \ingroup Group_Debugging
+ */
+ #define JTAG_DEBUG_ASSERT(x) MACROS{ if (!(x)) { JTAG_DEBUG_BREAK(); } }MACROE
+
+ /** Macro for testing condition "x" and writing debug data to the serial stream if false. As a
+ * prerequisite for this macro, the serial stream should be configured via the Peripheral/SerialStream driver.
+ *
+ * The serial output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion
+ * {x} failed."
+ *
+ * \ingroup Group_Debugging
+ */
+ #define SERIAL_STREAM_ASSERT(x) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \
+ "Assertion \"%s\" failed.\r\n"), \
+ __FILE__, __func__, __LINE__, #x); \
+ } }MACROE
+
+ /* Inline Functions: */
+ /** Function to reverse the individual bits in a byte - i.e. bit 7 is moved to bit 0, bit 6 to bit 1,
+ * etc.
+ *
+ * \ingroup Group_BitManip
+ *
+ * \param[in] Byte Byte of data whose bits are to be reversed
+ */
+ static inline uint8_t BitReverse(uint8_t Byte) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
+ static inline uint8_t BitReverse(uint8_t Byte)
+ {
+ Byte = (((Byte & 0xF0) >> 4) | ((Byte & 0x0F) << 4));
+ Byte = (((Byte & 0xCC) >> 2) | ((Byte & 0x33) << 2));
+ Byte = (((Byte & 0xAA) >> 1) | ((Byte & 0x55) << 1));
+
+ return Byte;
+ }
+
+ /** Function to reverse the byte ordering of the individual bytes in a 16 bit number.
+ *
+ * \ingroup Group_BitManip
+ *
+ * \param[in] Word Word of data whose bytes are to be swapped
+ */
+ static inline uint16_t SwapEndian_16(uint16_t Word) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
+ static inline uint16_t SwapEndian_16(uint16_t Word)
+ {
+ return ((Word >> 8) | (Word << 8));
+ }
+
+ /** Function to reverse the byte ordering of the individual bytes in a 32 bit number.
+ *
+ * \ingroup Group_BitManip
+ *
+ * \param[in] DWord Double word of data whose bytes are to be swapped
+ */
+ static inline uint32_t SwapEndian_32(uint32_t DWord) ATTR_WARN_UNUSED_RESULT ATTR_CONST;
+ static inline uint32_t SwapEndian_32(uint32_t DWord)
+ {
+ return (((DWord & 0xFF000000) >> 24) |
+ ((DWord & 0x00FF0000) >> 8) |
+ ((DWord & 0x0000FF00) << 8) |
+ ((DWord & 0x000000FF) << 24));
+ }
+
+ /** Function to reverse the byte ordering of the individual bytes in a n byte number.
+ *
+ * \ingroup Group_BitManip
+ *
+ * \param[in,out] Data Pointer to a number containing an even number of bytes to be reversed
+ * \param[in] Bytes Length of the data in bytes
+ */
+ static inline void SwapEndian_n(void* Data, uint8_t Bytes);
+ static inline void SwapEndian_n(void* Data, uint8_t Bytes)
+ {
+ uint8_t* CurrDataPos = Data;
+
+ while (Bytes)
+ {
+ uint8_t Temp = *CurrDataPos;
+ *CurrDataPos = *(CurrDataPos + Bytes - 1);
+ *(CurrDataPos + Bytes - 1) = Temp;
+
+ CurrDataPos++;
+ Bytes -= 2;
+ }
+ }
+
+#endif
+
+/** @} */
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