X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/ef06bfd1c0ef5272c32808e23d0fd60d2d1bca9c..8f6b4ddf764c3a54e42d00a7502c82c5c3e71b1c:/LUFA/Common/Common.h diff --git a/LUFA/Common/Common.h b/LUFA/Common/Common.h index 36d9e3f6f..0923d513b 100644 --- a/LUFA/Common/Common.h +++ b/LUFA/Common/Common.h @@ -33,6 +33,24 @@ * 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, FunctionAttributes.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__ @@ -66,14 +84,22 @@ /** 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. */ + * 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. */ + /** 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 @@ -81,6 +107,8 @@ * * 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"), \ @@ -91,6 +119,8 @@ /** 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 Byte Byte of data whose bits are to be reversed */ static inline uint8_t BitReverse(uint8_t Byte) ATTR_WARN_UNUSED_RESULT ATTR_CONST; @@ -105,6 +135,8 @@ /** Function to reverse the byte ordering of the individual bytes in a 16 bit number. * + * \ingroup Group_BitManip + * * \param 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; @@ -115,6 +147,8 @@ /** Function to reverse the byte ordering of the individual bytes in a 32 bit number. * + * \ingroup Group_BitManip + * * \param 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; @@ -128,6 +162,8 @@ /** Function to reverse the byte ordering of the individual bytes in a n byte number. * + * \ingroup Group_BitManip + * * \param Data Pointer to a number containing an even number of bytes to be reversed * \param Bytes Length of the data in bytes */ @@ -148,3 +184,5 @@ } #endif + +/** @} */