+++ /dev/null
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-#define __INCLUDE_FROM_USB_DRIVER
-#include "../../Core/USBMode.h"
-
-#if defined(USB_CAN_BE_HOST)
-
-#define __INCLUDE_FROM_HID_DRIVER
-#define __INCLUDE_FROM_HID_HOST_C
-#include "HID.h"
-
-uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
- uint16_t ConfigDescriptorSize,
- void* ConfigDescriptorData)
-{
- USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
- USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
- USB_Descriptor_Interface_t* HIDInterface = NULL;
- USB_HID_Descriptor_HID_t* HIDDescriptor = NULL;
-
- memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
-
- if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
- return HID_ENUMERROR_InvalidConfigDescriptor;
-
- while (!(DataINEndpoint) || !(DataOUTEndpoint))
- {
- if (!(HIDInterface) ||
- USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DCOMP_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- if (DataINEndpoint || DataOUTEndpoint)
- break;
-
- do
- {
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DCOMP_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- return HID_ENUMERROR_NoCompatibleInterfaceFound;
- }
-
- HIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
- } while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
- (HIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
-
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DCOMP_HID_Host_NextHIDDescriptor) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- return HID_ENUMERROR_NoCompatibleInterfaceFound;
- }
-
- HIDDescriptor = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_HID_Descriptor_HID_t);
-
- DataINEndpoint = NULL;
- DataOUTEndpoint = NULL;
-
- continue;
- }
-
- USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
-
- if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
- DataINEndpoint = EndpointData;
- else
- DataOUTEndpoint = EndpointData;
- }
-
- for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
- {
- uint16_t Size;
- uint8_t Type;
- uint8_t Token;
- uint8_t EndpointAddress;
- uint8_t InterruptPeriod;
- bool DoubleBanked;
-
- if (PipeNum == HIDInterfaceInfo->Config.DataINPipeNumber)
- {
- Size = le16_to_cpu(DataINEndpoint->EndpointSize);
- EndpointAddress = DataINEndpoint->EndpointAddress;
- Token = PIPE_TOKEN_IN;
- Type = EP_TYPE_INTERRUPT;
- DoubleBanked = HIDInterfaceInfo->Config.DataINPipeDoubleBank;
- InterruptPeriod = DataINEndpoint->PollingIntervalMS;
-
- HIDInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
- }
- else if (PipeNum == HIDInterfaceInfo->Config.DataOUTPipeNumber)
- {
- if (DataOUTEndpoint == NULL)
- continue;
-
- Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
- EndpointAddress = DataOUTEndpoint->EndpointAddress;
- Token = PIPE_TOKEN_OUT;
- Type = EP_TYPE_INTERRUPT;
- DoubleBanked = HIDInterfaceInfo->Config.DataOUTPipeDoubleBank;
- InterruptPeriod = DataOUTEndpoint->PollingIntervalMS;
-
- HIDInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
- HIDInterfaceInfo->State.DeviceUsesOUTPipe = true;
- }
- else
- {
- continue;
- }
-
- if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
- DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
- {
- return HID_ENUMERROR_PipeConfigurationFailed;
- }
-
- if (InterruptPeriod)
- Pipe_SetInterruptPeriod(InterruptPeriod);
- }
-
- HIDInterfaceInfo->State.InterfaceNumber = HIDInterface->InterfaceNumber;
- HIDInterfaceInfo->State.HIDReportSize = LE16_TO_CPU(HIDDescriptor->HIDReportLength);
- HIDInterfaceInfo->State.SupportsBootProtocol = (HIDInterface->SubClass != HID_CSCP_NonBootProtocol);
- HIDInterfaceInfo->State.LargestReportSize = 8;
- HIDInterfaceInfo->State.IsActive = true;
-
- return HID_ENUMERROR_NoError;
-}
-
-static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor)
-{
- USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
- if (Header->Type == DTYPE_Interface)
- {
- USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
-
- if (Interface->Class == HID_CSCP_HIDClass)
- return DESCRIPTOR_SEARCH_Found;
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-static uint8_t DCOMP_HID_Host_NextHIDDescriptor(void* const CurrentDescriptor)
-{
- USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
- if (Header->Type == HID_DTYPE_HID)
- return DESCRIPTOR_SEARCH_Found;
- else if (Header->Type == DTYPE_Interface)
- return DESCRIPTOR_SEARCH_Fail;
- else
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor)
-{
- USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
- if (Header->Type == DTYPE_Endpoint)
- {
- USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
-
- if (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
- return DESCRIPTOR_SEARCH_Found;
- }
- else if (Header->Type == DTYPE_Interface)
- {
- return DESCRIPTOR_SEARCH_Fail;
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
-uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
- const uint8_t ReportID,
- void* Buffer)
-{
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = HID_REQ_SetReport,
- .wValue = ((HID_REPORT_ITEM_In + 1) << 8) | ReportID,
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_In),
- };
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- return USB_Host_SendControlRequest(Buffer);
-}
-#endif
-
-uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
- void* Buffer)
-{
- if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
- return PIPE_READYWAIT_DeviceDisconnected;
-
- uint8_t ErrorCode;
-
- Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);
- Pipe_Unfreeze();
-
- uint16_t ReportSize;
- uint8_t* BufferPos = Buffer;
-
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
- if (!(HIDInterfaceInfo->State.UsingBootProtocol))
- {
- uint8_t ReportID = 0;
-
- if (HIDInterfaceInfo->Config.HIDParserData->UsingReportIDs)
- {
- ReportID = Pipe_Read_8();
- *(BufferPos++) = ReportID;
- }
-
- ReportSize = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_In);
- }
- else
-#endif
- {
- ReportSize = Pipe_BytesInPipe();
- }
-
- if ((ErrorCode = Pipe_Read_Stream_LE(BufferPos, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
- return ErrorCode;
-
- Pipe_ClearIN();
- Pipe_Freeze();
-
- return PIPE_RWSTREAM_NoError;
-}
-
-uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
- const uint8_t ReportID,
-#endif
- const uint8_t ReportType,
- void* Buffer,
- const uint16_t ReportSize)
-{
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
- if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
- return false;
-
- if (HIDInterfaceInfo->State.DeviceUsesOUTPipe && (ReportType == HID_REPORT_ITEM_Out))
- {
- uint8_t ErrorCode;
-
- Pipe_SelectPipe(HIDInterfaceInfo->Config.DataOUTPipeNumber);
- Pipe_Unfreeze();
-
- if (ReportID)
- Pipe_Write_Stream_LE(&ReportID, sizeof(ReportID), NULL);
-
- if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
- return ErrorCode;
-
- Pipe_ClearOUT();
- Pipe_Freeze();
-
- return PIPE_RWSTREAM_NoError;
- }
- else
-#endif
- {
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = HID_REQ_SetReport,
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
- .wValue = ((ReportType + 1) << 8) | ReportID,
-#else
- .wValue = ((ReportType + 1) << 8),
-#endif
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = ReportSize,
- };
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- return USB_Host_SendControlRequest(Buffer);
- }
-}
-
-bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
-{
- if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
- return false;
-
- bool ReportReceived;
-
- Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipeNumber);
- Pipe_Unfreeze();
-
- ReportReceived = Pipe_IsINReceived();
-
- Pipe_Freeze();
-
- return ReportReceived;
-}
-
-uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
-{
- uint8_t ErrorCode;
-
- if (!(HIDInterfaceInfo->State.SupportsBootProtocol))
- return HID_ERROR_LOGICAL;
-
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = HID_REQ_SetProtocol,
- .wValue = 0,
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = 0,
- };
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- return ErrorCode;
-
- HIDInterfaceInfo->State.LargestReportSize = 8;
- HIDInterfaceInfo->State.UsingBootProtocol = true;
-
- return HOST_SENDCONTROL_Successful;
-}
-
-uint8_t HID_Host_SetIdlePeriod(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
- const uint16_t MS)
-{
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = HID_REQ_SetIdle,
- .wValue = ((MS << 6) & 0xFF00),
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = 0,
- };
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- return USB_Host_SendControlRequest(NULL);
-}
-
-#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
-uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
-{
- uint8_t ErrorCode;
-
- uint8_t HIDReportData[HIDInterfaceInfo->State.HIDReportSize];
-
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),
- .bRequest = REQ_GetDescriptor,
- .wValue = (HID_DTYPE_Report << 8),
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = HIDInterfaceInfo->State.HIDReportSize,
- };
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- if ((ErrorCode = USB_Host_SendControlRequest(HIDReportData)) != HOST_SENDCONTROL_Successful)
- return ErrorCode;
-
- if (HIDInterfaceInfo->State.UsingBootProtocol)
- {
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = HID_REQ_SetProtocol,
- .wValue = 1,
- .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
- .wLength = 0,
- };
-
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- return ErrorCode;
-
- HIDInterfaceInfo->State.UsingBootProtocol = false;
- }
-
- if (HIDInterfaceInfo->Config.HIDParserData == NULL)
- return HID_ERROR_LOGICAL;
-
- if ((ErrorCode = USB_ProcessHIDReport(HIDReportData, HIDInterfaceInfo->State.HIDReportSize,
- HIDInterfaceInfo->Config.HIDParserData)) != HID_PARSE_Successful)
- {
- return HID_ERROR_LOGICAL | ErrorCode;
- }
-
- uint16_t LargestReportSizeBits = HIDInterfaceInfo->Config.HIDParserData->LargestReportSizeBits;
- HIDInterfaceInfo->State.LargestReportSize = (LargestReportSizeBits >> 3) + ((LargestReportSizeBits & 0x07) != 0);
-
- return 0;
-}
-#endif
-
-#endif
-
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