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344 lines
11 KiB
344 lines
11 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define INCLUDE_FROM_HID_CLASS_HOST_C
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#include "HID.h"
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#warning The HID Host mode Class driver is currently incomplete and is for preview purposes only.
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uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorSize,
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uint8_t* ConfigDescriptorData)
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{
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uint8_t FoundEndpoints = 0;
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memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
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if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
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return HID_ENUMERROR_InvalidConfigDescriptor;
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USB_Descriptor_Interface_t* CurrentHIDInterface;
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do
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DComp_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return HID_ENUMERROR_NoHIDInterfaceFound;
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}
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CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
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} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
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(CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
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HIDInterfaceInfo->State.InterfaceNumber = CurrentHIDInterface->InterfaceNumber;
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HIDInterfaceInfo->State.SupportsBootProtocol = (CurrentHIDInterface->SubClass != HID_NON_BOOT_PROTOCOL);
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return HID_ENUMERROR_NoHIDDescriptorFound;
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}
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HIDInterfaceInfo->State.HIDReportSize = DESCRIPTOR_CAST(ConfigDescriptorData, USB_HID_Descriptor_t).HIDReportLength;
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while (FoundEndpoints != (HID_FOUND_DATAPIPE_IN | HID_FOUND_DATAPIPE_OUT))
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DComp_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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if (FoundEndpoints == (1 << HID_FOUND_DATAPIPE_IN))
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break;
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return HID_ENUMERROR_EndpointsNotFound;
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}
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
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EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
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HIDInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
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FoundEndpoints |= HID_FOUND_DATAPIPE_IN;
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}
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else
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{
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Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
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EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
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HIDInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
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HIDInterfaceInfo->State.DeviceUsesOUTPipe = true;
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FoundEndpoints |= HID_FOUND_DATAPIPE_OUT;
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}
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}
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HIDInterfaceInfo->State.IsActive = true;
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return HID_ENUMERROR_NoError;
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}
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static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Interface_t);
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if (CurrentInterface->Class == HID_INTERFACE_CLASS)
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return DESCRIPTOR_SEARCH_Found;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DComp_NextHID(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_HID)
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return DESCRIPTOR_SEARCH_Found;
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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return DESCRIPTOR_SEARCH_Fail;
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else
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Endpoint_t);
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if (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
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return DESCRIPTOR_SEARCH_Found;
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}
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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return DESCRIPTOR_SEARCH_Fail;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
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{
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}
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uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool ControlRequest, uint8_t* ReportID, void* Buffer)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return false;
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if (ControlRequest)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SetReport,
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.wValue = *ReportID,
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, *ReportID, REPORT_ITEM_TYPE_In),
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(Buffer);
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}
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else
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{
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uint8_t ErrorCode;
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Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);
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Pipe_Unfreeze();
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uint16_t ReportSize;
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if (HIDInterfaceInfo->State.UsingBootProtocol)
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{
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ReportSize = Pipe_BytesInPipe();
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}
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else
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{
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if (HIDInterfaceInfo->Config.HIDParserData->UsingReportIDs)
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*ReportID = Pipe_Read_Byte();
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else
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*ReportID = 0;
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ReportSize = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, *ReportID, REPORT_ITEM_TYPE_In);
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}
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if ((ErrorCode = Pipe_Read_Stream_LE(Buffer, ReportSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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}
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uint8_t HID_Host_SendReport(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint8_t ReportID, void* Buffer, uint16_t ReportSize)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return false;
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if (HIDInterfaceInfo->State.DeviceUsesOUTPipe)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SetReport,
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.wValue = ReportID,
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = ReportSize,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(Buffer);
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}
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else
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{
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uint8_t ErrorCode;
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Pipe_SelectPipe(HIDInterfaceInfo->Config.DataOUTPipeNumber);
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Pipe_Unfreeze();
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if (ReportID)
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Pipe_Write_Stream_LE(&ReportID, sizeof(ReportID), NO_STREAM_CALLBACK);
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if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, ReportSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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}
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bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return false;
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bool ReportReceived;
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Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);
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Pipe_Unfreeze();
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ReportReceived = Pipe_IsReadWriteAllowed();
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Pipe_Freeze();
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return ReportReceived;
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}
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uint8_t USB_HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return false;
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uint8_t ErrorCode;
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SetProtocol,
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.wValue = 1,
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = 0,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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if (!(HIDInterfaceInfo->State.SupportsBootProtocol))
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return HID_ERROR_LOGICAL;
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if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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HIDInterfaceInfo->State.UsingBootProtocol = true;
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return HOST_SENDCONTROL_Successful;
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}
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uint8_t USB_HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return false;
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uint8_t ErrorCode;
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uint8_t HIDReportData[HIDInterfaceInfo->State.HIDReportSize];
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),
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.bRequest = REQ_GetDescriptor,
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.wValue = (DTYPE_Report << 8),
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = HIDInterfaceInfo->State.HIDReportSize,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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if ((ErrorCode = USB_Host_SendControlRequest(HIDReportData)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SetProtocol,
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.wValue = 0,
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = 0,
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};
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if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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HIDInterfaceInfo->State.UsingBootProtocol = false;
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if (HIDInterfaceInfo->Config.HIDParserData == NULL)
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return HID_ERROR_LOGICAL;
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if ((ErrorCode = USB_ProcessHIDReport(HIDReportData, HIDInterfaceInfo->State.HIDReportSize,
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HIDInterfaceInfo->Config.HIDParserData)) != HID_PARSE_Successful)
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{
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return HID_ERROR_LOGICAL | ErrorCode;
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}
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return 0;
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}
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#endif
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