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Added new CONCAT() and CONCAT_EXPANDED() convenience macros.

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This commit is contained in:
Dean Camera 2013-04-06 22:07:54 +00:00
parent 7dc77a6abc
commit 7c3867da33
8 changed files with 53 additions and 51 deletions
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24
LUFA/Common/Common.h
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@ -178,8 +178,8 @@
* \attention This macro should only be used with operands that do not have side effects from being evaluated
* multiple times.
*
* \param[in] x First value to compare
* \param[in] y First value to compare
* \param[in] x First value to compare.
* \param[in] y First value to compare.
*
* \return The smaller of the two input parameters
*/
@ -207,6 +207,26 @@
#define STRINGIFY_EXPANDED(x) STRINGIFY(x)
#endif
#if !defined(CONCAT) || defined(__DOXYGEN__)
/** Concatenates the given input into a single token, via the C Preprocessor.
*
* \param[in] x First item to concatenate.
* \param[in] y Second item to concatenate.
*
* \return Concatenated version of the input.
*/
#define CONCAT(x, y) x ## y
/** CConcatenates the given input into a single token after macro expansion, via the C Preprocessor.
*
* \param[in] x First item to concatenate.
* \param[in] y Second item to concatenate.
*
* \return Concatenated version of the expanded input.
*/
#define CONCAT_EXPANDED(x, y) CONCAT(x, y)
#endif
#if !defined(ISR) || defined(__DOXYGEN__)
/** Macro for the definition of interrupt service routines, so that the compiler can insert the required
* prologue and epilogue code to properly manage the interrupt routine without affecting the main thread's

1
LUFA/DoxygenPages/ChangeLog.txt
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@ -12,6 +12,7 @@
* - Added new Printer class bootloader
* - Added new Mass Storage class bootloader
* - Added additional MIDI command definitions to the MIDI class driver (thanks to Daniel Dreibrodt)
* - Added new CONCAT() and CONCAT_EXPANDED() convenience macros
*
* <b>Changed:</b>
* - Core:

9
LUFA/Drivers/Board/AVR8/MICROPENDOUS/Buttons.h
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@ -162,12 +162,9 @@
#define _BOARD_BUTTON_PORTLETTER E
#endif
#define _BOARD_BUTTON_CONCAT2(Reg, Letter) Reg ## Letter
#define _BOARD_BUTTON_CONCAT(Reg, Letter) _BOARD_BUTTON_CONCAT2(Reg, Letter)
#define _BOARD_BUTTON_PORT _BOARD_BUTTON_CONCAT(PORT, _BOARD_BUTTON_PORTLETTER)
#define _BOARD_BUTTON_PIN _BOARD_BUTTON_CONCAT(PIN, _BOARD_BUTTON_PORTLETTER)
#define _BOARD_BUTTON_DDR _BOARD_BUTTON_CONCAT(DDR, _BOARD_BUTTON_PORTLETTER)
#define _BOARD_BUTTON_PORT CONCAT_EXPANDED(PORT, _BOARD_BUTTON_PORTLETTER)
#define _BOARD_BUTTON_PIN CONCAT_EXPANDED(PIN, _BOARD_BUTTON_PORTLETTER)
#define _BOARD_BUTTON_DDR CONCAT_EXPANDED(DDR, _BOARD_BUTTON_PORTLETTER)
#endif
/* Public Interface - May be used in end-application: */

9
LUFA/Drivers/Board/AVR8/MICROPENDOUS/LEDs.h
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@ -100,12 +100,9 @@
#define _BOARD_LED_PORTLETTER B
#endif
#define _BOARD_LED_CONCAT2(Reg, Letter) Reg ## Letter
#define _BOARD_LED_CONCAT(Reg, Letter) _BOARD_LED_CONCAT2(Reg, Letter)
#define _BOARD_LED_PORT _BOARD_LED_CONCAT(PORT, _BOARD_LED_PORTLETTER)
#define _BOARD_LED_PIN _BOARD_LED_CONCAT(PIN, _BOARD_LED_PORTLETTER)
#define _BOARD_LED_DDR _BOARD_LED_CONCAT(DDR, _BOARD_LED_PORTLETTER)
#define _BOARD_LED_PORT CONCAT_EXPANDED(PORT, _BOARD_LED_PORTLETTER)
#define _BOARD_LED_PIN CONCAT_EXPANDED(PIN, _BOARD_LED_PORTLETTER)
#define _BOARD_LED_DDR CONCAT_EXPANDED(DDR, _BOARD_LED_PORTLETTER)
#endif
/* Public Interface - May be used in end-application: */

12
LUFA/Drivers/Board/Dataflash.h
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@ -131,18 +131,16 @@
/* Public Interface - May be used in end-application: */
/* Macros: */
#if !defined(__DOXYGEN__)
#define __GET_DATAFLASH_MASK2(x, y) x ## y
#define __GET_DATAFLASH_MASK(x) __GET_DATAFLASH_MASK2(DATAFLASH_CHIP,x)
#endif
/** Retrieves the Dataflash chip select mask for the given Dataflash chip index.
*
* \param[in] index Index of the dataflash chip mask to retrieve
* \attention This macro will only work correctly on chip index numbers that are compile-time
* constants defined by the preprocessor.
*
* \param[in] index Index of the dataflash chip mask to retrieve.
*
* \return Mask for the given Dataflash chip's /CS pin
*/
#define DATAFLASH_CHIP_MASK(index) __GET_DATAFLASH_MASK(index)
#define DATAFLASH_CHIP_MASK(index) CONCAT_EXPANDED(DATAFLASH_CHIP, index)
/* Inline Functions: */
/** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC.

9
LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h
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@ -97,13 +97,6 @@
#error The ADC peripheral driver is not currently available for your selected microcontroller model.
#endif
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define _ADC_GET_MUX_MASK2(y) ADC_CHANNEL ## y
#define _ADC_GET_MUX_MASK(y) _ADC_GET_MUX_MASK2(y)
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** \name ADC Reference Configuration Masks */
@ -257,7 +250,7 @@
*
* \param[in] Channel Index of the ADC channel whose MUX mask is to be retrieved.
*/
#define ADC_GET_CHANNEL_MASK(Channel) _ADC_GET_MUX_MASK(Channel)
#define ADC_GET_CHANNEL_MASK(Channel) CONCAT_EXPANDED(ADC_CHANNEL, Channel)
//@}
/* Inline Functions: */

4
LUFA/Drivers/USB/Class/Common/HIDReportData.h
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@ -61,13 +61,13 @@
#define HID_RI_DATA_BITS_8 0x01
#define HID_RI_DATA_BITS_16 0x02
#define HID_RI_DATA_BITS_32 0x03
#define HID_RI_DATA_BITS(DataBits) HID_RI_DATA_BITS_ ## DataBits
#define HID_RI_DATA_BITS(DataBits) CONCAT_EXPANDED(HID_RI_DATA_BITS_, DataBits)
#define _HID_RI_ENCODE_0(Data)
#define _HID_RI_ENCODE_8(Data) , (Data & 0xFF)
#define _HID_RI_ENCODE_16(Data) _HID_RI_ENCODE_8(Data) _HID_RI_ENCODE_8(Data >> 8)
#define _HID_RI_ENCODE_32(Data) _HID_RI_ENCODE_16(Data) _HID_RI_ENCODE_16(Data >> 16)
#define _HID_RI_ENCODE(DataBits, ...) _HID_RI_ENCODE_ ## DataBits(__VA_ARGS__)
#define _HID_RI_ENCODE(DataBits, ...) CONCAT_EXPANDED(_HID_RI_ENCODE_, DataBits(__VA_ARGS__))
#define _HID_RI_ENTRY(Type, Tag, DataBits, ...) (Type | Tag | HID_RI_DATA_BITS(DataBits)) _HID_RI_ENCODE(DataBits, (__VA_ARGS__))
#endif

8
LUFA/Drivers/USB/Core/USBTask.h
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@ -112,9 +112,7 @@
*/
extern volatile uint8_t USB_HostState;
#else
#define _GET_HOST_GPIOR_NAME2(y) GPIOR ## y
#define _GET_HOST_GPIOR_NAME(x) _GET_HOST_GPIOR_NAME2(x)
#define USB_HostState _GET_HOST_GPIOR_NAME(HOST_STATE_AS_GPIOR)
#define USB_HostState CONCAT_EXPANDED(GPIOR, HOST_STATE_AS_GPIOR)
#endif
#endif
@ -145,9 +143,7 @@
*/
extern volatile uint8_t USB_DeviceState;
#else
#define _GET_DEVICE_GPIOR_NAME2(y) GPIOR ## y
#define _GET_DEVICE_GPIOR_NAME(x) _GET_DEVICE_GPIOR_NAME2(x)
#define USB_DeviceState _GET_DEVICE_GPIOR_NAME(DEVICE_STATE_AS_GPIOR)
#define USB_DeviceState CONCAT_EXPANDED(GPIOR, DEVICE_STATE_AS_GPIOR)
#endif
#endif