Doxygen fixes to \param directives to give data direction in all projects....

Doxygen fixes to \param directives to give data direction in all projects. Make HID item filtering routines clearer in the HID WithParser demos.

Demos/Host/ClassDriver/KeyboardHostWithParser/KeyboardHostWithParser.c

@@ -251,20 +251,15 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8
  *  we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
  *  have occupied).
  *
- *  \param CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
+ *  \param[in] CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
  *
  *  \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded
  */
 bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_Attributes_t* CurrentItemAttributes)
 {
-	/* Check the attributes of the current item - see if we are interested in it or not */
-	if (CurrentItemAttributes->Usage.Page == USAGE_PAGE_KEYBOARD)
-	{
-		/* Only store KEYBOARD usage page items into the Processed HID Report structure to save RAM */
-		return true;
-	}
-	else
-	{
-		return false;
-	}
+	/* Check the attributes of the current item - see if we are interested in it or not;
+	 * only store KEYBOARD usage page items into the Processed HID Report structure to
+	 * save RAM and ignore the rest
+	 */
+	return (CurrentItemAttributes->Usage.Page == USAGE_PAGE_KEYBOARD)
 }

Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c

@@ -250,21 +250,16 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8
  *  we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
  *  have occupied).
  *
- *  \param CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
+ *  \param[in] CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
  *
  *  \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded
  */
 bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_Attributes_t* CurrentItemAttributes)
 {
-	/* Check the attributes of the current item - see if we are interested in it or not */
-	if ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||
-	    (CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL))
-	{
-		/* Only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report structure to save RAM */
-		return true;
-	}
-	else
-	{
-		return false;
-	}
+	/* Check the attributes of the current item - see if we are interested in it or not;
+	 * only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report
+	 * structure to save RAM and ignore the rest
+	 */
+	return ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||
+	        (CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL))
 }

Demos/Host/LowLevel/KeyboardHostWithParser/HIDReport.c

@@ -75,20 +75,15 @@ uint8_t GetHIDReportData(void)
  *  we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
  *  have occupied).
  *
- *  \param CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
+ *  \param[in] CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
  *
  *  \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded
  */
 bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_Attributes_t* CurrentItemAttributes)
 {
-	/* Check the attributes of the current item - see if we are interested in it or not */
-	if (CurrentItemAttributes->Usage.Page == USAGE_PAGE_KEYBOARD)
-	{
-		/* Only store KEYBOARD usage page items into the Processed HID Report structure to save RAM */
-		return true;
-	}
-	else
-	{
-		return false;
-	}
+	/* Check the attributes of the current item - see if we are interested in it or not;
+	 * only store KEYBOARD usage page items into the Processed HID Report structure to
+	 * save RAM and ignore the rest
+	 */
+	return (CurrentItemAttributes->Usage.Page == USAGE_PAGE_KEYBOARD)
 }

Demos/Host/LowLevel/MouseHostWithParser/HIDReport.c

@@ -75,21 +75,16 @@ uint8_t GetHIDReportData(void)
  *  we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
  *  have occupied).
  *
- *  \param CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
+ *  \param[in] CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with
  *
  *  \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded
  */
 bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_Attributes_t* CurrentItemAttributes)
 {
-	/* Check the attributes of the current item - see if we are interested in it or not */
-	if ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||
-	    (CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL))
-	{
-		/* Only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report structure to save RAM */
-		return true;
-	}
-	else
-	{
-		return false;
-	}
+	/* Check the attributes of the current item - see if we are interested in it or not;
+	 * only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report
+	 * structure to save RAM and ignore the rest
+	 */
+	return ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||
+	        (CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL))
 }

LUFA/Drivers/Board/Dataflash.h

@@ -81,9 +81,11 @@
 				#define __GET_DATAFLASH_MASK(x)     __GET_DATAFLASH_MASK2(DATAFLASH_CHIP,x)
 			#endif
 	
-			/* Retrieves the Dataflash chip select mask for the given Dataflash chip index.
+			/** Retrieves the Dataflash chip select mask for the given Dataflash chip index.
 			 *
-			 * \param index  Index of the dataflash chip mask to retrieve
+			 *  \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)
 			

LUFA/Drivers/USB/Class/Host/HIDParser.h

@@ -288,7 +288,7 @@
 			 *  HID_ReportInfo_t structure. This can be used to filter only those items the application will be using, so that
 			 *  no RAM is wasted storing the attributes for report items which will never be referenced by the application.
 			 *
-			 *  \param CurrentItemAttributes  Pointer to the current report item attributes for user checking
+			 *  \param[in] CurrentItemAttributes  Pointer to the current report item attributes for user checking
 			 *
 			 *  \return Boolean true if the item should be stored into the HID_ReportInfo_t structure, false if it should be ignored
 			 */

LUFA/Drivers/USB/LowLevel/Endpoint.h

@@ -334,7 +334,7 @@
 
 				/** Sets the direction of the currently selected endpoint.
 				 *
-				 *  \param DirectionMask  New endpoint direction, as a ENDPOINT_DIR_* mask.
+				 *  \param[in] DirectionMask  New endpoint direction, as a ENDPOINT_DIR_* mask.
 				 */
 				static inline void Endpoint_SetEndpointDirection(uint8_t DirectionMask);
 			#else

LUFA/Drivers/USB/LowLevel/Pipe.h

@@ -805,7 +805,7 @@
 			/** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given
 			 *  endpoint is found, it is automatically selected.
 			 *
-			 *  \param EndpointAddress Address of the endpoint within the attached device to check
+			 *  \param[in] EndpointAddress Address of the endpoint within the attached device to check
 			 *
 			 *  \return Boolean true if a pipe bound to the given endpoint address is found, false otherwise
 			 */

Projects/AVRISP/Lib/V2Protocol.c

@@ -101,7 +101,7 @@ void V2Protocol_ProcessCommand(void)
 /** Handler for unknown V2 protocol commands. This discards all sent data and returns a
  *  STATUS_CMD_UNKNOWN status back to the host.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_Unknown(uint8_t V2Command)
 {
@@ -136,7 +136,7 @@ static void V2Protocol_Command_SignOn(void)
 /** Handler for the CMD_SET_PARAMETER and CMD_GET_PARAMETER commands from the host, setting or
  *  getting a device parameter's value from the parameter table.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
 {
@@ -289,7 +289,7 @@ static void V2Protocol_Command_LeaveISPMode(void)
 /** Handler for the CMD_PROGRAM_FLASH_ISP and CMD_PROGRAM_EEPROM_ISP commands, writing out bytes,
  *  words or pages of data to the attached device.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
 {
@@ -425,7 +425,7 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
 /** Handler for the CMD_READ_FLASH_ISP and CMD_READ_EEPROM_ISP commands, reading in bytes,
  *  words or pages of data from the attached device.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_ReadMemory(uint8_t V2Command)
 {
@@ -516,7 +516,7 @@ static void V2Protocol_Command_ChipErase(void)
 /** Handler for the CMD_READ_FUSE_ISP, CMD_READ_LOCK_ISP, CMD_READ_SIGNATURE_ISP and CMD_READ_OSCCAL commands,
  *  reading the requested configuration byte from the device.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_ReadFuseLockSigOSCCAL(uint8_t V2Command)
 {
@@ -546,7 +546,7 @@ static void V2Protocol_Command_ReadFuseLockSigOSCCAL(uint8_t V2Command)
 /** Handler for the CMD_WRITE_FUSE_ISP and CMD_WRITE_LOCK_ISP commands, writing the requested configuration
  *  byte to the device.
  *
- *  \param V2Command  Issued V2 Protocol command byte from the host
+ *  \param[in] V2Command  Issued V2 Protocol command byte from the host
  */
 static void V2Protocol_Command_WriteFuseLock(uint8_t V2Command)
 {

Projects/AVRISP/Lib/V2ProtocolParams.c

@@ -108,7 +108,7 @@ void V2Params_UpdateParamValues(void)
  *  be called before calls to \ref V2Params_GetParameterValue() or \ref V2Params_SetParameterValue() when
  *  getting or setting parameter values in response to requests from the host.
  *
- *  \param ParamID  Parameter ID whose privellages are to be retrieved from the table
+ *  \param[in] ParamID  Parameter ID whose privellages are to be retrieved from the table
  *
  *  \return Privellages for the requested parameter, as a mask of PARAM_PRIV_* masks
  */ 
@@ -124,7 +124,7 @@ uint8_t V2Params_GetParameterPrivellages(uint8_t ParamID)
 
 /** Retrieves the current value for a given parameter in the parameter table.
  *
- *  \param ParamID  Parameter ID whose value is to be retrieved from the table
+ *  \param[in] ParamID  Parameter ID whose value is to be retrieved from the table
  *
  *  \return Current value of the parameter in the table, or 0 if not found
  */ 
@@ -140,8 +140,8 @@ uint8_t V2Params_GetParameterValue(uint8_t ParamID)
 
 /** Sets the value for a given parameter in the parameter table.
  *
- *  \param ParamID  Parameter ID whose value is to be set in the table
- *  \param Value  New value to set the parameter to
+ *  \param[in] ParamID  Parameter ID whose value is to be set in the table
+ *  \param[in] Value  New value to set the parameter to
  *
  *  \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
  */
@@ -162,7 +162,7 @@ void V2Params_SetParameterValue(uint8_t ParamID, uint8_t Value)
 /** Retrieves a parameter entry (including ID, value and privellages) from the parameter table that matches the given
  *  parameter ID.
  *
- *  \param ParamID  Parameter ID to find in the table
+ *  \param[in] ParamID  Parameter ID to find in the table
  *
  *  \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
  */

Projects/AVRISP/Lib/V2ProtocolTarget.c

@@ -79,7 +79,7 @@ uint8_t V2Protocol_GetSPIPrescalerMask(void)
 /** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command.
  *  When not asserted, the line is tristated so as not to intefere with normal device operation.
  *
- *  \param ResetTarget Boolean true when the target should be held in reset, false otherwise
+ *  \param[in] ResetTarget Boolean true when the target should be held in reset, false otherwise
  */
 void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
 {
@@ -100,11 +100,11 @@ void V2Protocol_ChangeTargetResetLine(bool ResetTarget)
 /** Waits until the last issued target memory programming command has completed, via the check mode given and using
  *  the given parameters.
  *
- *  \param ProgrammingMode  Programming mode used and completion check to use, a mask of PROG_MODE_* constants
- *  \param PollAddress  Memory address to poll for completion if polling check mode used
- *  \param PollValue  Poll value to check against if polling check mode used
- *  \param DelayMS  Milliseconds to delay before returning if delay check mode used
- *  \param ReadMemCommand  Device low-level READ MEMORY command to send if value check mode used
+ *  \param[in] ProgrammingMode  Programming mode used and completion check to use, a mask of PROG_MODE_* constants
+ *  \param[in] PollAddress  Memory address to poll for completion if polling check mode used
+ *  \param[in] PollValue  Poll value to check against if polling check mode used
+ *  \param[in] DelayMS  Milliseconds to delay before returning if delay check mode used
+ *  \param[in] ReadMemCommand  Device low-level READ MEMORY command to send if value check mode used
  *
  *  \return V2 Protocol status \ref STATUS_CMD_OK if the no timeout occurred, \ref STATUS_RDY_BSY_TOUT or
  *          \ref STATUS_CMD_TOUT otherwise

Projects/AVRISP/Lib/V2ProtocolTarget.h

@@ -60,7 +60,7 @@
 	/* Inline Functions: */
 		/** Blocking delay for a given number of milliseconds, via a hardware timer.
 		 *
-		 *  \param DelayMS  Number of milliseconds to delay for
+		 *  \param[in] DelayMS  Number of milliseconds to delay for
 		 */
 		static inline void V2Protocol_DelayMS(uint8_t DelayMS)
 		{