+#warning The HID Host mode Class driver is currently incomplete and is for preview purposes only.\r
+\r
+uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+ uint8_t* ConfigDescriptorData)\r
+{\r
+ uint8_t FoundEndpoints = 0;\r
+\r
+ memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));\r
+\r
+ if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
+ return HID_ENUMERROR_InvalidConfigDescriptor;\r
+ \r
+ USB_Descriptor_Interface_t* CurrentHIDInterface;\r
+ \r
+ do\r
+ {\r
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+ DComp_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
+ {\r
+ return HID_ENUMERROR_NoHIDInterfaceFound;\r
+ }\r
+ \r
+ CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);\r
+ } while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&\r
+ (CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));\r
+\r
+ HIDInterfaceInfo->State.InterfaceNumber =\r
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
+ CurrentHIDInterface->InterfaceNumber;\r
+ #else\r
+ CurrentHIDInterface->bInterfaceNumber;\r
+ #endif\r
+ HIDInterfaceInfo->State.SupportsBootSubClass = (CurrentHIDInterface->SubClass != 0);\r
+\r
+ while (FoundEndpoints != (HID_FOUND_DATAPIPE_IN | HID_FOUND_DATAPIPE_OUT))\r
+ {\r
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+ DComp_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+ {\r
+ if (FoundEndpoints == (1 << HID_FOUND_DATAPIPE_IN))\r
+ break;\r
+ \r
+ return HID_ENUMERROR_EndpointsNotFound;\r
+ }\r
+ \r
+ USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);\r
+\r
+ if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
+ {\r
+ Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
+ EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ HIDInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
+ \r
+ FoundEndpoints |= HID_FOUND_DATAPIPE_IN;\r
+ }\r
+ else\r
+ {\r
+ Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,\r
+ EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ HIDInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
+ \r
+ FoundEndpoints |= HID_FOUND_DATAPIPE_OUT; \r
+ }\r
+ }\r
+\r
+ HIDInterfaceInfo->State.Active = true;\r
+ return HID_ENUMERROR_NoError;\r
+}\r
+\r
+static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)\r
+{\r
+ if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
+ {\r
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+ USB_Descriptor_Interface_t);\r
+ \r
+ if (CurrentInterface->Class == HID_INTERFACE_CLASS)\r
+ return DESCRIPTOR_SEARCH_Found;\r
+ }\r
+ \r
+ return DESCRIPTOR_SEARCH_NotFound;\r
+}\r
+\r
+static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor)\r
+{\r
+ if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
+ {\r
+ USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+ USB_Descriptor_Endpoint_t); \r
+\r
+ if (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
+ return DESCRIPTOR_SEARCH_Found;\r
+ }\r
+ else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
+ {\r
+ return DESCRIPTOR_SEARCH_Fail;\r
+ }\r
+\r
+ return DESCRIPTOR_SEARCH_NotFound;\r
+}\r
+\r
+void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)\r
+{\r
+\r
+}\r
+\r
+bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)\r
+{\r
+ bool ReportReceived;\r
+\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.Active))\r
+ return false;\r
+\r
+ Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Unfreeze();\r
+ \r
+ ReportReceived = Pipe_IsReadWriteAllowed();\r
+ \r
+ Pipe_Freeze();\r
+\r
+ return ReportReceived;\r
+}\r
+\r
+uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol)\r
+{\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_SetProtocol,\r
+ .wValue = UseReportProtocol,\r
+ .wIndex = HIDInterfaceInfo->State.InterfaceNumber,\r
+ .wLength = 0,\r
+ };\r
+\r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+ \r
+ return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r