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400 lines
12 KiB
400 lines
12 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2013.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all 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 disclaims 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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#define __INCLUDE_FROM_USB_DRIVER
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#include "../../Core/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define __INCLUDE_FROM_HID_DRIVER
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#define __INCLUDE_FROM_HID_HOST_C
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#include "HIDClassHost.h"
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uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
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uint16_t ConfigDescriptorSize,
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void* ConfigDescriptorData)
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{
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USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
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USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
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USB_Descriptor_Interface_t* HIDInterface = NULL;
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USB_HID_Descriptor_HID_t* HIDDescriptor = NULL;
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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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while (!(DataINEndpoint) || !(DataOUTEndpoint))
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{
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if (!(HIDInterface) ||
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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 (DataINEndpoint)
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break;
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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_NoCompatibleInterfaceFound;
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}
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HIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
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} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
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(HIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_HID_Host_NextHIDDescriptor) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return HID_ENUMERROR_NoCompatibleInterfaceFound;
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}
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HIDDescriptor = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_HID_Descriptor_HID_t);
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DataINEndpoint = NULL;
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DataOUTEndpoint = NULL;
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continue;
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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_DIR_MASK) == ENDPOINT_DIR_IN)
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DataINEndpoint = EndpointData;
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else
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DataOUTEndpoint = EndpointData;
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}
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HIDInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
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HIDInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
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HIDInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_INTERRUPT;
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if (!(Pipe_ConfigurePipeTable(&HIDInterfaceInfo->Config.DataINPipe, 1)))
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return false;
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if (DataOUTEndpoint)
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{
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HIDInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
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HIDInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
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HIDInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_INTERRUPT;
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if (!(Pipe_ConfigurePipeTable(&HIDInterfaceInfo->Config.DataOUTPipe, 1)))
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return false;
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}
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HIDInterfaceInfo->State.InterfaceNumber = HIDInterface->InterfaceNumber;
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HIDInterfaceInfo->State.HIDReportSize = LE16_TO_CPU(HIDDescriptor->HIDReportLength);
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HIDInterfaceInfo->State.SupportsBootProtocol = (HIDInterface->SubClass != HID_CSCP_NonBootProtocol);
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HIDInterfaceInfo->State.LargestReportSize = 8;
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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* const CurrentDescriptor)
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{
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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
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if (Interface->Class == HID_CSCP_HIDClass)
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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_HID_Host_NextHIDDescriptor(void* const CurrentDescriptor)
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{
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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == HID_DTYPE_HID)
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return DESCRIPTOR_SEARCH_Found;
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else if (Header->Type == 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* const CurrentDescriptor)
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{
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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
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if (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
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return DESCRIPTOR_SEARCH_Found;
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}
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else if (Header->Type == 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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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
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const uint8_t ReportID,
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void* Buffer)
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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 = HID_REQ_SetReport,
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.wValue = ((HID_REPORT_ITEM_In + 1) << 8) | ReportID,
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.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
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.wLength = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_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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#endif
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uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
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void* Buffer)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
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return PIPE_READYWAIT_DeviceDisconnected;
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uint8_t ErrorCode;
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Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipe.Address);
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Pipe_Unfreeze();
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uint16_t ReportSize;
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uint8_t* BufferPos = Buffer;
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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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if (!(HIDInterfaceInfo->State.UsingBootProtocol))
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{
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uint8_t ReportID = 0;
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if (HIDInterfaceInfo->Config.HIDParserData->UsingReportIDs)
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{
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ReportID = Pipe_Read_8();
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*(BufferPos++) = ReportID;
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}
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ReportSize = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_In);
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}
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else
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#endif
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{
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ReportSize = Pipe_BytesInPipe();
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}
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if ((ErrorCode = Pipe_Read_Stream_LE(BufferPos, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_ClearIN();
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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const uint8_t ReportID,
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#endif
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const uint8_t ReportType,
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void* Buffer,
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const uint16_t ReportSize)
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{
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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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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 && (ReportType == HID_REPORT_ITEM_Out))
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{
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uint8_t ErrorCode;
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Pipe_SelectPipe(HIDInterfaceInfo->Config.DataOUTPipe.Address);
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Pipe_Unfreeze();
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if (ReportID)
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Pipe_Write_Stream_LE(&ReportID, sizeof(ReportID), NULL);
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if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_ClearOUT();
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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else
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#endif
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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 = HID_REQ_SetReport,
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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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.wValue = ((ReportType + 1) << 8) | ReportID,
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#else
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.wValue = ((ReportType + 1) << 8),
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#endif
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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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}
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bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const 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.DataINPipe.Address);
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Pipe_Unfreeze();
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ReportReceived = Pipe_IsINReceived();
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Pipe_Freeze();
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return ReportReceived;
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}
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uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
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{
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uint8_t ErrorCode;
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if (!(HIDInterfaceInfo->State.SupportsBootProtocol))
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return HID_ERROR_LOGICAL;
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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 = HID_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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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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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.LargestReportSize = 8;
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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 HID_Host_SetIdlePeriod(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
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const uint16_t MS)
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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 = HID_REQ_SetIdle,
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.wValue = ((MS << 6) & 0xFF00),
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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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return USB_Host_SendControlRequest(NULL);
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}
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#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
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uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
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{
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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 = (HID_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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if (HIDInterfaceInfo->State.UsingBootProtocol)
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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 = HID_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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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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}
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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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uint16_t LargestReportSizeBits = HIDInterfaceInfo->Config.HIDParserData->LargestReportSizeBits;
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HIDInterfaceInfo->State.LargestReportSize = (LargestReportSizeBits >> 3) + ((LargestReportSizeBits & 0x07) != 0);
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return 0;
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}
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#endif
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#endif
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