/* * usb.h USB driver functions * * ========================================================================= * * Open Watcom Project * * Copyright (c) 2004-2010 The Open Watcom Contributors. All Rights Reserved. * * This file is automatically generated. Do not edit directly. * * ========================================================================= */ #ifndef __USB_H__ #define __USB_H__ #ifndef _ENABLE_AUTODEPEND #pragma read_only_file; #endif #include #ifdef __cplusplus extern "C" { #endif /* Kernel data types for use in user mode */ #ifndef _NTDDK_ #ifndef _WDMDDK_ typedef PVOID PIRP; typedef PVOID PMDL; #endif #endif /* Primitive data types */ typedef LONG USBD_STATUS; typedef PVOID USBD_PIPE_HANDLE; typedef PVOID USBD_CONFIGURATION_HANDLE; typedef PVOID USBD_INTERFACE_HANDLE; /* USB version */ #define USBDI_VERSION 0x00000600L /* USB port attributes */ #define USB_PORTATTR_NO_CONNECTOR 0x00000001L #define USB_PORTATTR_SHARED_USB2 0x00000002L #define USB_PORTATTR_MINI_CONNECTOR 0x00000004L #define USB_PORTATTR_OEM_CONNECTOR 0x00000008L #define USB_PORTATTR_OWNED_BY_CC 0x01000000L #define USB_PORTATTR_NO_OVERCURRENT_UI 0x02000000L /* USB default addresses */ #define USB_DEFAULT_DEVICE_ADDRESS 0 #define USB_DEFAULT_ENDPOINT_ADDRESS 0 #define USB_DEFAULT_MAX_PACKET 64 /* URB from IRP macro */ #define URB_FROM_IRP( x ) \ (IoGetCurrentIrpStackLocation( x )->Parameters.Others.Argument1) /* URB functions */ #define URB_FUNCTION_SELECT_CONFIGURATION 0x0000 #define URB_FUNCTION_SELECT_INTERFACE 0x0001 #define URB_FUNCTION_ABORT_PIPE 0x0002 #define URB_FUNCTION_TAKE_FRAME_LENGTH_CONTROL 0x0003 #define URB_FUNCTION_RELEASE_FRAME_LENGTH_CONTROL 0x0004 #define URB_FUNCTION_GET_FRAME_LENGTH 0x0005 #define URB_FUNCTION_SET_FRAME_LENGTH 0x0006 #define URB_FUNCTION_GET_CURRENT_FRAME_NUMBER 0x0007 #define URB_FUNCTION_CONTROL_TRANSFER 0x0008 #define URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER 0x0009 #define URB_FUNCTION_ISOCH_TRANSFER 0x000A #define URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE 0x000B #define URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE 0x000C #define URB_FUNCTION_SET_FEATURE_TO_DEVICE 0x000D #define URB_FUNCTION_SET_FEATURE_TO_INTERFACE 0x000E #define URB_FUNCTION_SET_FEATURE_TO_ENDPOINT 0x000F #define URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE 0x0010 #define URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE 0x0011 #define URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT 0x0012 #define URB_FUNCTION_GET_STATUS_FROM_DEVICE 0x0013 #define URB_FUNCTION_GET_STATUS_FROM_INTERFACE 0x0014 #define URB_FUNCTION_GET_STATUS_FROM_ENDPOINT 0x0015 #define URB_FUNCTION_VENDOR_DEVICE 0x0017 #define URB_FUNCTION_VENDOR_INTERFACE 0x0018 #define URB_FUNCTION_VENDOR_ENDPOINT 0x0019 #define URB_FUNCTION_CLASS_DEVICE 0x001A #define URB_FUNCTION_CLASS_INTERFACE 0x001B #define URB_FUNCTION_CLASS_ENDPOINT 0x001C #define URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL 0x001E #define URB_FUNCTION_CLASS_OTHER 0x001F #define URB_FUNCTION_VENDOR_OTHER 0x0020 #define URB_FUNCTION_GET_STATUS_FROM_OTHER 0x0021 #define URB_FUNCTION_CLEAR_FEATURE_TO_OTHER 0x0022 #define URB_FUNCTION_SET_FEATURE_TO_OTHER 0x0023 #define URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT 0x0024 #define URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT 0x0025 #define URB_FUNCTION_GET_CONFIGURATION 0x0026 #define URB_FUNCTION_GET_INTERFACE 0x0027 #define URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE 0x0028 #define URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE 0x0029 #if (_WIN32_WINNT >= 0x0501) #define URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR 0x002A #define URB_FUNCTION_SYNC_RESET_PIPE 0x0030 #define URB_FUNCTION_SYNC_CLEAR_STALL 0x0031 #endif #if (_WIN32_WINNT >= 0x0600) #define URB_FUNCTION_CONTROL_TRANSFER_EX 0x0032 #endif #define URB_FUNCTION_RESET_PIPE \ URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL /* USBD flags */ #define USBD_TRANSFER_DIRECTION 0x00000001L #define USBD_SHORT_TRANSFER_OK 0x00000002L #define USBD_START_ISO_TRANSFER_ASAP 0x00000004L #define USBD_DEFAULT_PIPE_TRANSFER 0x00000008L #define VALID_TRANSFER_FLAGS_MASK \ (USBD_SHORT_TRANSFER_OK | USBD_TRANSFER_DIRECTION | USBD_START_ISO_TRANSFER_ASAP | \ USBD_DEFAULT_PIPE_TRANSFER) /* Macro to extract the transfer direction */ #define USBD_TRANSFER_DIRECTION_FLAG( x ) ((x) & USBD_TRANSFER_DIRECTION) /* USBD transfer directions */ #define USBD_TRANSFER_DIRECTION_OUT 0 #define USBD_TRANSFER_DIRECTION_IN 1 /* USBD ISO start frame range */ #define USBD_ISO_START_FRAME_RANGE 1024 /* USBD status code testing macros */ #define USBD_SUCCESS( x ) ((USBD_STATUS)(x) >= 0) #define USBD_PENDING( x ) (((ULONG)(x) >> 30) == 1) #define USBD_ERROR( x ) ((USBD_STATUS)(x) < 0) /* USBD status codes */ #define USBD_STATUS_SUCCESS 0x00000000L #define USBD_STATUS_PENDING 0x40000000L #define USBD_STATUS_CRC 0xC0000001L #define USBD_STATUS_BTSTUFF 0xC0000002L #define USBD_STATUS_DATA_TOGGLE_MISMATCH 0xC0000003L #define USBD_STATUS_STALL_PID 0xC0000004L #define USBD_STATUS_DEV_NOT_RESPONDING 0xC0000005L #define USBD_STATUS_PID_CHECK_FAILURE 0xC0000006L #define USBD_STATUS_UNEXPECTED_PID 0xC0000007L #define USBD_STATUS_DATA_OVERRUN 0xC0000008L #define USBD_STATUS_DATA_UNDERRUN 0xC0000009L #define USBD_STATUS_BUFFER_OVERRUN 0xC000000CL #define USBD_STATUS_BUFFER_UNDERRUN 0xC000000DL #define USBD_STATUS_NOT_ACCESSED 0xC000000FL #define USBD_STATUS_FIFO 0xC0000010L #define USBD_STATUS_XACT_ERROR 0xC0000011L #define USBD_STATUS_BABBLE_DETECTED 0xC0000012L #define USBD_STATUS_DATA_BUFFER_ERROR 0xC0000013L #define USBD_STATUS_ENDPOINT_HALTED 0xC0000030L #define USBD_STATUS_INVALID_URB_FUNCTION 0x80000200L #define USBD_STATUS_INVALID_PARAMETER 0x80000300L #define USBD_STATUS_ERROR_BUSY 0x80000400L #define USBD_STATUS_INVALID_PIPE_HANDLE 0x80000600L #define USBD_STATUS_NO_BANDWIDTH 0x80000700L #define USBD_STATUS_INTERNAL_HC_ERROR 0x80000800L #define USBD_STATUS_ERROR_SHORT_TRANSFER 0x80000900L #define USBD_STATUS_BAD_START_FRAME 0xC0000A00L #define USBD_STATUS_ISOCH_REQUEST_FAILED 0xC0000B00L #define USBD_STATUS_FRAME_CONTROL_OWNED 0xC0000C00L #define USBD_STATUS_FRAME_CONTROL_NOT_OWNED 0xC0000D00L #define USBD_STATUS_NOT_SUPPORTED 0xC0000E00L #define USBD_STATUS_INVALID_CONFIGURATION_DESCRIPTOR 0xC0000F00L #define USBD_STATUS_INSUFFICIENT_RESOURCES 0xC0001000L #define USBD_STATUS_SET_CONFIG_FAILED 0xC0002000L #define USBD_STATUS_BUFFER_TOO_SMALL 0xC0003000L #define USBD_STATUS_INTERFACE_NOT_FOUND 0xC0004000L #define USBD_STATUS_INAVLID_PIPE_FLAGS 0xC0005000L #define USBD_STATUS_TIMEOUT 0xC0006000L #define USBD_STATUS_DEVICE_GONE 0xC0007000L #define USBD_STATUS_STATUS_NOT_MAPPED 0xC0008000L #define USBD_STATUS_HUB_INTERNAL_ERROR 0xC0009000L #define USBD_STATUS_CANCELED 0xC0010000L #define USBD_STATUS_ISO_NOT_ACCESSED_BY_HW 0xC0020000L #define USBD_STATUS_ISO_TD_ERROR 0xC0030000L #define USBD_STATUS_ISO_NA_LATE_USBPORT 0xC0040000L #define USBD_STATUS_ISO_NOT_ACCESSED_LATE 0xC0050000L #define USBD_STATUS_BAD_DESCRIPTOR 0xC0100000L #define USBD_STATUS_BAD_DESCRIPTOR_BLEN 0xC0100001L #define USBD_STATUS_BAD_DESCRIPTOR_TYPE 0xC0100002L #define USBD_STATUS_BAD_INTERFACE_DESCRIPTOR 0xC0100003L #define USBD_STATUS_BAD_ENDPOINT_DESCRIPTOR 0xC0100004L #define USBD_STATUS_BAD_INTERFACE_ASSOC_DESCRIPTOR 0xC0100005L #define USBD_STATUS_BAD_CONFIG_DESC_LENGTH 0xC0100006L #define USBD_STATUS_BAD_NUMBER_OF_INTERFACES 0xC0100007L #define USBD_STATUS_BAD_NUMBER_OF_ENDPOINTS 0xC0100008L #define USBD_STATUS_BAD_ENDPOINT_ADDRESS 0xC0100009L /* USBD default maximum transfer size */ #if (_WIN32_WINNT >= 0x0501) #define USBD_DEFAULT_MAXIMUM_TRANSFER_SIZE 0xFFFFFFFFL #else #define USBD_DEFAULT_MAXIMUM_TRANSFER_SIZE PAGE_SIZE #endif /* USBD pipe direction testing macro */ #define USBD_PIPE_DIRECTION_IN( x ) ((x)->EndpointAddress & USB_ENDPOINT_DIRECTION_MASK) /* USBD pipe flags */ #define USBD_PF_CHANGE_MAX_PACKET 0x00000001L #define USBD_PF_SHORT_PACKET_OPT 0x00000002L #define USBD_PF_ENABLE_RT_THREAD_ACCESS 0x00000004L #define USBD_PF_MAP_ADD_TRANSFERS 0x00000008L #define USBD_PF_VALID_MASK \ (USBD_PF_CHANGE_MAX_PACKET | USBD_PF_SHORT_PACKET_OPT | \ USBD_PF_ENABLE_RT_THREAD_ACCESS | USBD_PF_MAP_ADD_TRANSFERS) /* OS string descriptor index */ #if (_WIN32_WINNT >= 0x0501) #define OS_STRING_DESCRIPTOR_INDEX 0xEE #endif /* Microsoft descriptor indices */ #if (_WIN32_WINNT >= 0x0501) #define MS_GENRE_DESCRIPTOR_INDEX 0x0001 #define MS_POWER_DESCRIPTOR_INDEX 0x0002 #endif /* Microsoft OS string signature */ #if (_WIN32_WINNT >= 0x0501) #define MS_OS_STRING_SIGNATURE L"MSFT100" #endif /* Microsoft OS flags */ #if (_WIN32_WINNT >= 0x0501) #define MS_OS_FLAGS_CONTAINERID 0x02 #endif /* USB controller flavors */ typedef enum _USB_CONTROLLER_FLAVOR { USB_HcGeneric = 0, OHCI_Generic = 100, OHCI_Hydra = 101, OHCI_NEC = 102, UHCI_Generic = 200, UHCI_Piix4 = 201, UHCI_Piix3 = 202, UHCI_Ich2 = 203, UHCI_Ich1 = 205, UHCI_Ich3m = 206, UHCI_Ich4 = 207, UHCI_Ich5 = 208, UHCI_Ich6 = 209, UHCI_Intel = 249, UHCI_VIA = 250, UHCI_VIA_x01 = 251, UHCI_VIA_x02 = 252, UHCI_VIA_x03 = 253, UHCI_VIA_x04 = 254, UHCI_VIA_x0E_FIFO = 264, EHCI_Generic = 1000, EHCI_NEC = 2000, EHCI_Lucent = 3000 } USB_CONTROLLER_FLAVOR; /* USBD version information */ typedef struct _USBD_VERSION_INFORMATION { ULONG USBDI_Version; ULONG Supported_USB_Version; } USBD_VERSION_INFORMATION; typedef USBD_VERSION_INFORMATION *PUSBD_VERSION_INFORMATION; /* USBD pipe types */ typedef enum _USBD_PIPE_TYPE { UsbdPipeTypeControl = 0, UsbdPipeTypeIsochronous = 1, UsbdPipeTypeBulk = 2, UsbdPipeTypeInterrupt = 3 } USBD_PIPE_TYPE; /* USBD device information */ typedef struct _USBD_DEVICE_INFORMATION { ULONG OffsetNext; PVOID UsbdDeviceHandle; USB_DEVICE_DESCRIPTOR DeviceDescriptor; } USBD_DEVICE_INFORMATION; typedef USBD_DEVICE_INFORMATION *PUSBD_DEVICE_INFORMATION; /* USBD pipe information */ typedef struct _USBD_PIPE_INFORMATION { USHORT MaximumPacketSize; UCHAR EndpointAddress; UCHAR Interval; USBD_PIPE_TYPE PipeType; USBD_PIPE_HANDLE PipeHandle; ULONG MaximumTransferSize; ULONG PipeFlags; } USBD_PIPE_INFORMATION; typedef USBD_PIPE_INFORMATION *PUSBD_PIPE_INFORMATION; /* USBD interface information */ typedef struct _USBD_INTERFACE_INFORMATION { USHORT Length; UCHAR InterfaceNumber; UCHAR AlternateSetting; UCHAR Class; UCHAR SubClass; UCHAR Protocol; UCHAR Reserved; USBD_INTERFACE_HANDLE InterfaceHandle; ULONG NumberOfPipes; USBD_PIPE_INFORMATION Pipes[1]; } USBD_INTERFACE_INFORMATION; typedef USBD_INTERFACE_INFORMATION *PUSBD_INTERFACE_INFORMATION; /* URB HCD area */ struct _URB_HCD_AREA { PVOID Reserved8[8]; }; /* URB header */ struct _URB_HEADER { USHORT Length; USHORT Function; USBD_STATUS Status; PVOID UsbdDeviceHandle; ULONG UsbdFlags; }; /* URB select interface */ struct _URB_SELECT_INTERFACE { struct _URB_HEADER Hdr; USBD_CONFIGURATION_HANDLE ConfigurationHandle; USBD_INTERFACE_INFORMATION Interface; }; /* URB select configuration */ struct _URB_SELECT_CONFIGURATION { struct _URB_HEADER Hdr; PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor; USBD_CONFIGURATION_HANDLE ConfigurationHandle; USBD_INTERFACE_INFORMATION Interface; }; /* URB pipe request */ struct _URB_PIPE_REQUEST { struct _URB_HEADER Hdr; USBD_PIPE_HANDLE PipeHandle; ULONG Reserved; }; /* URB frame length control */ struct _URB_FRAME_LENGTH_CONTROL { struct _URB_HEADER Hdr; }; /* URB get frame length */ struct _URB_GET_FRAME_LENGTH { struct _URB_HEADER Hdr; ULONG FrameLength; ULONG FrameNumber; }; /* URB set frame length */ struct _URB_SET_FRAME_LENGTH { struct _URB_HEADER Hdr; LONG FrameLengthDelta; }; /* URB get current frame number */ struct _URB_GET_CURRENT_FRAME_NUMBER { struct _URB_HEADER Hdr; ULONG FrameNumber; }; /* URB control descriptor request */ struct _URB_CONTROL_DESCRIPTOR_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved0; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; USHORT Reserved1; UCHAR Index; UCHAR DescriptorType; USHORT LanguageId; USHORT Reserved2; }; /* URB control get status request */ struct _URB_CONTROL_GET_STATUS_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved0; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR Reserved1[4]; USHORT Index; USHORT Reserved2; }; /* URB control feature request */ struct _URB_CONTROL_FEATURE_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved2; ULONG Reserved3; PVOID Reserved4; PMDL Reserved5; struct _URB *UrbLink; struct _URB_HCD_AREA hca; USHORT Reserved0; USHORT FeatureSelector; USHORT Index; USHORT Reserved1; }; /* URB control vendor or class request */ struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG TransferFlags; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR RequestTypeReservedBits; UCHAR Request; USHORT Value; USHORT Index; USHORT Reserved1; }; /* URB control get interface request */ struct _URB_CONTROL_GET_INTERFACE_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved0; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR Reserved1[4]; USHORT Interface; USHORT Reserved2; }; /* URB control get configuration request */ struct _URB_CONTROL_GET_CONFIGURATION_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved0; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR Reserved1[8]; }; /* OS string */ #if (_WIN32_WINNT >= 0x0501) typedef struct _OS_STRING { UCHAR bLength; UCHAR bDescriptorType; WCHAR MicrosoftString[7]; UCHAR bVendorCode; union { UCHAR bPad; UCHAR bFlags; }; } OS_STRING; typedef OS_STRING *POS_STRING; #endif /* URB OS feature descriptor request */ #if (_WIN32_WINNT >= 0x0501) struct _URB_OS_FEATURE_DESCRIPTOR_REQUEST { struct _URB_HEADER Hdr; PVOID Reserved; ULONG Reserved0; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR Recipient : 5; UCHAR Reserved1 : 3; UCHAR Reserved2; UCHAR InterfaceNumber; UCHAR MS_PageIndex; USHORT MS_FeatureDescriptorIndex; USHORT Reserved3; }; #endif /* URB control transfer */ struct _URB_CONTROL_TRANSFER { struct _URB_HEADER Hdr; USBD_PIPE_HANDLE PipeHandle; ULONG TransferFlags; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; UCHAR SetupPacket[8]; }; /* URB control transfer (extended version) */ #if (_WIN32_WINNT >= 0x0600) struct _URB_CONTROL_TRANSFER_EX { struct _URB_HEADER Hdr; USBD_PIPE_HANDLE PipeHandle; ULONG TransferFlags; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; ULONG Timeout; struct _URB_HCD_AREA hca; UCHAR SetupPacket[8]; }; #endif /* URB bulk or interrupt transfer */ struct _URB_BULK_OR_INTERRUPT_TRANSFER { struct _URB_HEADER Hdr; USBD_PIPE_HANDLE PipeHandle; ULONG TransferFlags; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; }; /* USBD ISO packet descriptor */ typedef struct _USBD_ISO_PACKET_DESCRIPTOR { ULONG Offset; ULONG Length; USBD_STATUS Status; } USBD_ISO_PACKET_DESCRIPTOR; typedef USBD_ISO_PACKET_DESCRIPTOR *PUSBD_ISO_PACKET_DESCRIPTOR; /* URB ISOCH transfer */ struct _URB_ISOCH_TRANSFER { struct _URB_HEADER Hdr; USBD_PIPE_HANDLE PipeHandle; ULONG TransferFlags; ULONG TransferBufferLength; PVOID TransferBuffer; PMDL TransferBufferMDL; struct _URB *UrbLink; struct _URB_HCD_AREA hca; ULONG StartFrame; ULONG NumberOfPackets; ULONG ErrorCount; USBD_ISO_PACKET_DESCRIPTOR IsoPacket[1]; }; /* URB */ typedef struct _URB { union { struct _URB_HEADER UrbHeader; struct _URB_SELECT_INTERFACE UrbSelectInterface; struct _URB_SELECT_CONFIGURATION UrbSelectConfiguration; struct _URB_PIPE_REQUEST UrbPipeRequest; struct _URB_FRAME_LENGTH_CONTROL UrbFrameLengthControl; struct _URB_GET_FRAME_LENGTH UrbGetFrameLength; struct _URB_SET_FRAME_LENGTH UrbSetFrameLength; struct _URB_GET_CURRENT_FRAME_NUMBER UrbGetCurrentFrameNumber; struct _URB_CONTROL_TRANSFER UrbControlTransfer; #if (_WIN32_WINNT >= 0x0600) struct _URB_CONTROL_TRANSFER_EX UrbControlTransferEx; #endif struct _URB_BULK_OR_INTERRUPT_TRANSFER UrbBulkOrInterruptTransfer; struct _URB_ISOCH_TRANSFER UrbIsochronousTransfer; struct _URB_CONTROL_DESCRIPTOR_REQUEST UrbControlDescriptorRequest; struct _URB_CONTROL_GET_STATUS_REQUEST UrbControlGetStatusRequest; struct _URB_CONTROL_FEATURE_REQUEST UrbControlFeatureRequest; struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST UrbControlVendorClassRequest; struct _URB_CONTROL_GET_INTERFACE_REQUEST UrbControlGetInterfaceRequest; struct _URB_CONTROL_GET_CONFIGURATION_REQUEST UrbControlGetConfigurationRequest; #if (_WIN32_WINNT >= 0x0501) struct _URB_OS_FEATURE_DESCRIPTOR_REQUEST UrbOSFeatureDescriptorRequest; #endif }; } URB; typedef URB *PURB; #ifdef __cplusplus } /* extern "C" */ #endif #endif /* __USB_H__ */