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Add new STRINGIFY() and STRINGIFY_EXPANDED() convenience macros.

This commit is contained in:
Dean Camera 2011-07-14 00:11:51 +00:00
parent d9643cf6ec
commit 01d269879f
2 changed files with 21 additions and 0 deletions
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20
LUFA/Common/Common.h
View File

@ -182,6 +182,26 @@
#define MIN(x, y) ((x < y) ? x : y)
#endif
#if !defined(STRINGIFY) || defined(__DOXYGEN__)
/** Converts the given input into a string, via the C Preprocessor. This macro puts literal quotation
* marks around the input, converting the source into a string literal.
*
* \param[in] x Input to convert into a string literal.
*
* \return String version of the input.
*/
#define STRINGIFY(x) #x
/** Converts the given input into a string after macro expansion, via the C Preprocessor. This macro puts
* literal quotation marks around the expanded input, converting the source into a string literal.
*
* \param[in] x Input to expand and convert into a string literal.
*
* \return String version of the expanded input.
*/
#define STRINGIFY_EXPANDED(x) STRINGIFY(x)
#endif
#if (ARCH == ARCH_AVR8) || defined(__DOXYGEN__)
/** 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

1
LUFA/ManPages/ChangeLog.txt
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@ -27,6 +27,7 @@
* - Added new USB_Host_ConfigurationNumber global variable to indicate the selected configuration in an attached device
* - Added new USB_Host_GetDeviceStatus() function to the host standard request function set
* - Added AVR USB XMEGA architecture port (currently incomplete/experimental)
* - Added new STRINGIFY() and STRINGIFY_EXPANDED() convenience macros
* - Library Applications:
* - Added RNDIS device mode to the Webserver project
* - Added new incomplete AndroidAccessoryHost Host LowLevel demo