Fixed USB driver failing to define the PLL prescaler mask for the ATMEGA8U2 and ATMEGA16U2.

Simplified the USB.h master include file's target validity checks.

LUFA/Drivers/USB/HighLevel/StdDescriptors.h

@@ -544,7 +544,7 @@
 			{
 				USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
 				
-				int16_t     UnicodeString[]; /**< String data, as unicode characters (alternatively,
+				wchar_t UnicodeString[];  /**< String data, as unicode characters (alternatively,
 				                           *   string language IDs). If normal ASCII characters are
 				                           *   to be used, they must be added as an array of characters
 				                           *   rather than a normal C string so that they are widened to

LUFA/Drivers/USB/LowLevel/LowLevel.h

@@ -75,7 +75,8 @@
 		#endif
 	
 		#if (F_CLOCK == 8000000)
-			#if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__))
+			#if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \
+			     defined(__AVR_ATMEGA8U2__) || defined(__AVR_ATMEGA16U2__))
 				#define USB_PLL_PSC                0
 			#elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))
 				#define USB_PLL_PSC                0
@@ -85,7 +86,8 @@
 				#define USB_PLL_PSC                ((1 << PLLP1) | (1 << PLLP0))
 			#endif
 		#elif (F_CLOCK == 16000000)
-			#if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__))
+			#if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \
+			     defined(__AVR_ATMEGA8U2__) || defined(__AVR_ATMEGA16U2__))
 				#define USB_PLL_PSC                (1 << PLLP0)
 			#elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))
 				#define USB_PLL_PSC                (1 << PINDIV)

LUFA/Drivers/USB/USB.h

@@ -132,19 +132,16 @@
 #ifndef __USB_H__
 #define __USB_H__
 
+	/* Includes: */
+		#include "HighLevel/USBMode.h"
+
 	/* Preprocessor Checks: */		
-		#if (!(defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) ||  \
-		       defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) ||  \
-			   defined(__AVR_AT90USB162__)  || defined(__AVR_AT90USB82__)  ||  \
-			   defined(__AVR_ATmega32U2__)  || defined(__AVR_ATmega16U2__) ||  \
-			   defined(__AVR_ATmega8U2__)   ||                                 \
-			   defined(__AVR_ATmega16U4__)  || defined(__AVR_ATmega32U4__) ||  \
-			   defined(__AVR_ATmega32U6__)))
+		#if (!defined(USB_SERIES_2_AVR) && !defined(USB_SERIES_4_AVR) && \
+		     !defined(USB_SERIES_6_AVR) && !defined(USB_SERIES_7_AVR))
 			#error The currently selected AVR model is not supported under the USB component of the LUFA library.
 		#endif
 		
 	/* Includes: */
-		#include "HighLevel/USBMode.h"
 		#include "HighLevel/USBTask.h"
 		#include "HighLevel/USBInterrupt.h"
 		#include "HighLevel/Events.h"

LUFA/ManPages/ChangeLog.txt

@@ -40,6 +40,7 @@
   *  - Fixed host state machine not enabling Auto VBUS mode when HOST_DEVICE_SETTLE_DELAY_MS is set to zero
   *  - Fixed misnamed Pipe_SetPipeToken() macro for setting a pipe's direction
   *  - Fixed CDCHost failing on devices with bidirectional endpoints
+  *  - Fixed USB driver failing to define the PLL prescaler mask for the ATMEGA8U2 and ATMEGA16U2
   *
   *  \section Sec_ChangeLog091122 Version 091122
   *