X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5251bc6e4e312ec5c4f57c43a92ba49c19684c51..f9f1bcc25c17b031029200cd9648d76d4ee39dc4:/LUFA/Drivers/USB/Class/Host/HID.c?ds=inline

diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c
index 4f013d56e..f9c42b281 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.c
+++ b/LUFA/Drivers/USB/Class/Host/HID.c
@@ -34,24 +34,19 @@
 #define INCLUDE_FROM_HID_CLASS_HOST_C
 #include "HID.h"
 
-uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t MaxConfigBufferSize)
+#warning The HID Host mode Class driver is currently incomplete and is for preview purposes only.
+
+uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorSize,
+                                uint8_t* ConfigDescriptorData)
 {
-	uint8_t* ConfigDescriptorData;
-	uint16_t ConfigDescriptorSize;
-	uint8_t  FoundEndpoints = 0;
+	uint8_t FoundEndpoints = 0;
 
-	if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
-	  return HID_ENUMERROR_ControlError;
-	
-	if (ConfigDescriptorSize > MaxConfigBufferSize)
-	  return HID_ENUMERROR_DescriptorTooLarge;
-	  
-	ConfigDescriptorData = alloca(ConfigDescriptorSize);
+	memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
 
-	USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);
-	
 	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
-	  return HID_ENUMERROR_InvalidConfigDataReturned;
+	  return HID_ENUMERROR_InvalidConfigDescriptor;
+	
+	USB_Descriptor_Interface_t* CurrentHIDInterface;
 	
 	do
 	{
@@ -60,14 +55,23 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint
 		{
 			return HID_ENUMERROR_NoHIDInterfaceFound;
 		}
-	} while (HIDInterfaceInfo->Config.MatchInterfaceProtocol &&
-	         DESCRIPTOR_PCAST(ConfigDescriptorData,
-	                          USB_Descriptor_Interface_t)->HIDInterfaceProtocol != HIDInterfaceInfo->Config.Protocol);
-
-	while (FoundEndpoints != ((1 << HID_FOUND_DATAPIPE_IN) | (1 << HID_FOUND_DATAPIPE_OUT)))
+		
+		CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+	} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
+	         (CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
+
+	HIDInterfaceInfo->State.InterfaceNumber	     =
+	#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
+	                     CurrentHIDInterface->InterfaceNumber;
+	#else
+	                     CurrentHIDInterface->bInterfaceNumber;
+	#endif
+	HIDInterfaceInfo->State.SupportsBootSubClass = (CurrentHIDInterface->SubClass != 0);
+
+	while (FoundEndpoints != (HID_FOUND_DATAPIPE_IN | HID_FOUND_DATAPIPE_OUT))
 	{
 		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
-		                              DComp_HID_Host_NextInterfaceHIDDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+		                              DComp_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
 		{
 			if (FoundEndpoints == (1 << HID_FOUND_DATAPIPE_IN))
 			  break;
@@ -81,18 +85,21 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint
 		{
 			Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
 							   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+			HIDInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
 			
-			FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_IN);
+			FoundEndpoints |= HID_FOUND_DATAPIPE_IN;
 		}
 		else
 		{
 			Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
 							   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+			HIDInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
 			
-			FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_OUT);		
+			FoundEndpoints |= HID_FOUND_DATAPIPE_OUT;		
 		}
 	}
 
+	HIDInterfaceInfo->State.Active = true;
 	return HID_ENUMERROR_NoError;
 }
 
@@ -110,7 +117,7 @@ static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)
 	return DESCRIPTOR_SEARCH_NotFound;
 }
 
-static uint8_t DComp_HID_Host_NextInterfaceHIDDataEndpoint(void* CurrentDescriptor)
+static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor)
 {
 	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
 	{
@@ -133,4 +140,37 @@ void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
 
 }
 
+bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
+{
+	bool ReportReceived;
+
+	if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.Active))
+	  return false;
+
+	Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);
+	Pipe_Unfreeze();
+	
+	ReportReceived = Pipe_IsReadWriteAllowed();
+	
+	Pipe_Freeze();
+
+	return ReportReceived;
+}
+
+uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol)
+{
+	USB_ControlRequest = (USB_Request_Header_t)
+		{
+			.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+			.bRequest      = REQ_SetProtocol,
+			.wValue        = UseReportProtocol,
+			.wIndex        = HIDInterfaceInfo->State.InterfaceNumber,
+			.wLength       = 0,
+		};
+
+	Pipe_SelectPipe(PIPE_CONTROLPIPE);
+	
+	return USB_Host_SendControlRequest(NULL);
+}
+
 #endif