Node USB
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    Class EndpointAbstract

    Common base for InEndpoint and OutEndpoint.

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    address descriptor device direction timeout transferType

    Methods

    clearHalt makeTransfer

    Constructors

    Properties

    address: number
    descriptor: EndpointDescriptor

    Object with fields from the endpoint descriptor -- see libusb documentation or USB spec.

    device: Device
    direction: "in" | "out"

    Endpoint direction: "in" or "out".

    timeout: number = 0

    Sets the timeout in milliseconds for transfers on this endpoint. The default, 0, is infinite timeout.

    transferType: number

    Endpoint type: usb.LIBUSB_TRANSFER_TYPE_BULK, usb.LIBUSB_TRANSFER_TYPE_INTERRUPT, or usb.LIBUSB_TRANSFER_TYPE_ISOCHRONOUS.

    Methods

    • Create a new Transfer object for this endpoint.

      The passed callback will be called when the transfer is submitted and finishes. Its arguments are the error (if any), the submitted buffer, and the amount of data actually written (for OUT transfers) or read (for IN transfers).

      Parameters

      • timeout: number

        Timeout for the transfer (0 means unlimited).

      • callback: (
            error: LibUSBException | undefined,
            buffer: Buffer,
            actualLength: number,
        ) => void

        Transfer completion callback.

      Returns Transfer

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