Added new USB_Host_GetDeviceStatus() function for USB Host mode.

3 files changed, 38 insertions, 11 deletions

diff --git a/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h b/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h
index 2caacaa00..fd42c5022 100644
--- a/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h
+++ b/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h
@@ -183,7 +183,7 @@
 				/* Switch /SS to input mode after configuration to allow for forced mode changes */
 				DDRB &= ~(1 << 0);
 
-				SPCR   = ((1 << SPE) | SPIOptions);
+				SPCR  = ((1 << SPE) | SPIOptions);
 			}
 
 			/** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */
diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.c b/LUFA/Drivers/USB/Core/HostStandardReq.c
index 8304c2c28..12ccd91e3 100644
--- a/LUFA/Drivers/USB/Core/HostStandardReq.c
+++ b/LUFA/Drivers/USB/Core/HostStandardReq.c
@@ -238,6 +238,22 @@ uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index,
 	return USB_Host_SendControlRequest(Buffer);
 }
 
+uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus)
+{
+	USB_ControlRequest = (USB_Request_Header_t)
+		{
+			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
+			.bRequest      = REQ_GetFeature,
+			.wValue        = 0,
+			.wIndex        = 0,
+			.wLength       = 0,
+		};
+
+	Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+	return USB_Host_SendControlRequest(FeatureStatus);
+}
+
 uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointAddress)
 {
 	USB_ControlRequest = (USB_Request_Header_t)
diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.h b/LUFA/Drivers/USB/Core/HostStandardReq.h
index 3358d2774..caa42e322 100644
--- a/LUFA/Drivers/USB/Core/HostStandardReq.h
+++ b/LUFA/Drivers/USB/Core/HostStandardReq.h
@@ -104,9 +104,7 @@
 			 */
 			uint8_t USB_Host_SendControlRequest(void* const BufferPtr);
 
-			/** Convenience function. This routine sends a SET CONFIGURATION standard request to the attached
-			 *  device, with the given configuration index. This can be used to easily set the device
-			 *  configuration without creating and sending the request manually.
+			/** Sends a SET CONFIGURATION standard request to the attached device, with the given configuration index.
 			 *
 			 *  This routine will automatically update the \ref USB_HostState and \ref USB_Host_ConfigurationNumber
 			 *  state variables according to the given function parameters and the result of the request.
@@ -121,9 +119,9 @@
 			 */
 			uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber);
 
-			/** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached
-			 *  device, requesting the device descriptor. This can be used to easily retrieve information
-			 *  about the device such as its VID, PID and power requirements.
+			/** Sends a GET DESCRIPTOR standard request to the attached device, requesting the device descriptor.
+			 *  This can be used to easily retrieve information about the device such as its VID, PID and power
+			 *  requirements.
 			 *
 			 *  \note After this routine returns, the control pipe will be selected.
 			 *
@@ -136,10 +134,9 @@
 			 */
 			uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr);
 
-			/** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached
-			 *  device, requesting the string descriptor of the specified index. This can be used to easily
-			 *  retrieve string descriptors from the device by index, after the index is obtained from the
-			 *  Device or Configuration descriptors.
+			/** Sends a GET DESCRIPTOR standard request to the attached device, requesting the string descriptor
+			 *  of the specified index. This can be used to easily retrieve string descriptors from the device by
+			 *  index, after the index is obtained from the Device or Configuration descriptors.
 			 *
 			 *  \note After this routine returns, the control pipe will be selected.
 			 *
@@ -156,6 +153,20 @@
 			                                           void* const Buffer,
 			                                           const uint8_t BufferLength);
 
+			/** Retrieves the current feature status of the attached device, via a GET STATUS standard request. The
+			 *  retrieved feature status can then be examined by masking the retrieved value with the various
+			 *  FEATURE_* masks for bus/self power information and remote wakeup support.
+			 *
+			 *  \note After this routine returns, the control pipe will be selected.
+			 *
+			 *  \ingroup Group_PipeControlReq
+			 *
+			 *  \param[out]  FeatureStatus  Location where the retrieved feature status should be stored.
+			 *
+			 *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
+			 */
+			uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus);
+
 			/** Clears a stall condition on the given pipe, via a CLEAR FEATURE standard request to the attached device.
 			 *
 			 *  \note After this routine returns, the control pipe will be selected.