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Contents Programming For USB Device Overview Programmers Guide Scenario Data transfer Synchronous Transfer Asynchronous Transfer Reading Descriptors USB Support Routines And Structures Common Procedures UsbEnumerateDevices OpenRapidUsb IsRapidUsbOpened CloseRapidUsb Descriptors UsbGetDescriptor UsbGetDeviceDescriptor UsbGetStringDescriptor UsbGetConfigDescriptor UsbFreeConfigDescriptor UsbGetInterfaceDescriptor UsbFreeInterfaceDescriptor UsbGetEndpointDescriptor Configure Device UsbGetDeviceInfo UsbUnconfigureDevice UsbSelectConfig UsbGetConfig UsbSelectInterface UsbGetInterface UsbResetDevice UsbGetBandwidthInfo UsbCyclePort Features and Status UsbSetFeature UsbClearFeature UsbGetStatus Vendor/Class Requests UsbVendorRequestIn UsbVendorRequestOut UsbClassRequestIn UsbClassRequestOut Pipes IsRapidUsbPipeOpened UsbPipeOpen UsbPipeClose UsbGetPipeCount UsbPipeGetInfo UsbPipeDirectionIn UsbPipeGetType UsbTransfer UsbTransferAsync TRANSFER_COMPLETION_ROUTINE UsbCancelTransfer UsbPipeReset UsbPipeAbort Other UsbGetPortStatus UsbGetCurrentFrameNumber USB Structures and Types RDUSB_DEVICE_INFORMATION RDUSB_PIPE_INFORMATION RDUSB_PIPE_TYPE RDUSB_BANDWIDTH_INFORMATION		RDUSB_BANDWIDTH_INFORMATION Go to RapidDriver Main Page typedef struct _RDUSB_BANDWIDTH_INFORMATION {     ULONG TotalBandwidth;     ULONG ConsumedBandwidth;   } RDUSB_BANDWIDTH_INFORMATION, *PRDUSB_BANDWIDTH_INFORMATION; Members TotalBandwidth   Specifies the total bandwidth, in bits per second, available on the bus.   ConsumedBandwidth   Specifies the mean bandwidth that is already in use, in bits per second.   Description This structure is used in UsbGetBandwidthInfo to retrieve bandwidth information from USB controller.