Commit for the 090401 release.

1 files changed, 30 insertions, 23 deletions

diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.h b/LUFA/Drivers/USB/LowLevel/LowLevel.h
index 98deaaca1..253d0180e 100644
--- a/LUFA/Drivers/USB/LowLevel/LowLevel.h
+++ b/LUFA/Drivers/USB/LowLevel/LowLevel.h
@@ -109,20 +109,24 @@
 			 */

 			#define USB_MODE_DEVICE                    1

 

-			/** Mode mask for the USB_CurrentMode global and the USB_Init() function. This indicates that the

-			 *  USB interface is or should be initialized in the USB host mode.

-			 *

-			 *  \note Not all USB AVRs support host mode.

-			 */

-			#define USB_MODE_HOST                      2

-

-			/** Mode mask for the the USB_Init() function. This indicates that the USB interface should be

-			 *  initialized into whatever mode the UID pin of the USB AVR indicates, and that the device

-			 *  should swap over its mode when the level of the UID pin changes during operation.

-			 *

-			 *  \note Not all USB AVRs support host mode, and thus UID mode.

-			 */

-			#define USB_MODE_UID                       3

+			#if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__)

+				/** Mode mask for the USB_CurrentMode global and the USB_Init() function. This indicates that the

+				 *  USB interface is or should be initialized in the USB host mode.

+				 *

+				 *  \note This token is not available on AVR models which do not support host mode.

+				 */

+				#define USB_MODE_HOST                      2

+			#endif

+			

+			#if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__)

+				/** Mode mask for the the USB_Init() function. This indicates that the USB interface should be

+				 *  initialized into whatever mode the UID pin of the USB AVR indicates, and that the device

+				 *  should swap over its mode when the level of the UID pin changes during operation.

+				 *

+				 *  \note This token is not available on AVR models which do not support both host and device modes.

+				 */

+				#define USB_MODE_UID                       3

+			#endif

 			

 			/** Regulator disable option mask for USB_Init(). This indicates that the internal 3.3V USB data pad

 			 *  regulator should be enabled to regulate the data pin voltages to within the USB standard.

@@ -181,10 +185,14 @@
 			 */

 			#define EP_TYPE_MASK                       0b11

 

-			/** Returns boolean true if the VBUS line is currently high (i.e. the USB host is supplying power),

-			 *  otherwise returns false.

-			 */

-			#define USB_VBUS_GetStatus()             ((USBSTA & (1 << VBUS)) ? true : false)

+			#if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || defined(__DOXYGEN__)

+				/** Returns boolean true if the VBUS line is currently high (i.e. the USB host is supplying power),

+				 *  otherwise returns false.

+				 *

+				 *  \note This token is not available on some AVR models which do not support hardware VBUS monitoring.

+				 */

+				#define USB_VBUS_GetStatus()             ((USBSTA & (1 << VBUS)) ? true : false)

+			#endif

 

 			/** Detaches the device from the USB bus. This has the effect of removing the device from any

 			 *  host if, ceasing USB communications. If no host is present, this prevents any host from

@@ -353,19 +361,18 @@
 			#define USB_Interface_Reset()      MACROS{ uint8_t Temp = USBCON; USBCON = (Temp & ~(1 << USBE)); \

 			                                           USBCON = (Temp | (1 << USBE));           }MACROE

 	

-		/* Inline Functions: */		

+		/* Inline Functions: */

+			#if defined(USB_CAN_BE_BOTH)

 			static inline uint8_t USB_GetUSBModeFromUID(void) ATTR_WARN_UNUSED_RESULT;

 			static inline uint8_t USB_GetUSBModeFromUID(void)

 			{

-				#if (defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__))

 				if (USBSTA & (1 << ID))

 				  return USB_MODE_DEVICE;

 				else

 				  return USB_MODE_HOST;

-				#else

-				return USB_MODE_DEVICE;

-				#endif

 			}

+			#endif

+			

 	#endif

 	

 	/* Disable C linkage for C++ Compilers: */