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Manual Reference Pages  -  DEVICE::USB::DEVENDPOINT (3)

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Device::USB::DevEndpoint

This class encapsulates a USB Device endpoint and the methods that object would support.

CONTENTS

NAME

Device::USB::DevEndpoint - Access a device endpoint returned by libusb.

VERSION

Version 0.11

SYNOPSIS

Device::USB:DevEndpoint provides a Perl object for accessing an endpoint of an interface of a USB device using the libusb library.



    use Device::USB;

    my $usb = Device::USB->new();
    my $dev = $usb->find_device( $VENDOR, $PRODUCT );

    printf "Device: %04X:%04X\n", $dev->idVendor(), $dev->idProduct();
    $dev->open();

    my $cfg = $dev->config()->[0];
    my $inter = $cfg->interfaces()->[0]->[0];
    my $ep = $inter->endpoints()->[0];
    print "Endpoint:", $inter->bEndpointAddress(),
       " name: ", $dev->get_string_simple($iter->iInterface()), "\n";



See USB specification for an explanation of the attributes of an endpoint.

DESCRIPTION

This module defines a Perl object that represents the data associated with a USB interface endpoint. The object provides read-only access to the important data associated with the endpoint.

    METHODS

There are several accessor methods that return data from the interface. Each is named after the field that they return. These accessors include:
bEndpointAddress
bmAttributes
wMaxPacketSize
bInterval
bRefresh
bSynchAddress

DIAGNOSTICS

This is an explanation of the diagnostic and error messages this module can generate.

DEPENDENCIES

This module depends on the Carp, Inline and Inline::C modules, as well as the strict and warnings pragmas. Obviously, libusb must be available since that is the entire reason for the module’s existence.

AUTHOR

G. Wade Johnson (wade at anomaly dot org) Paul Archer (paul at paularcher dot org)

Houston Perl Mongers Group

BUGS

Please report any bugs or feature requests to bug-device-usb@rt.cpan.org, or through the web interface at <http://rt.cpan.org/NoAuth/ReportBug.html?Device::USB>. I will be notified, and then you’ll automatically be notified of progress on your bug as I make changes.

ACKNOWLEDGEMENTS

Thanks go to various members of the Houston Perl Mongers group for input on the module. But thanks mostly go to Paul Archer who proposed the project and helped with the development.

COPYRIGHT & LICENSE

Copyright 2006 Houston Perl Mongers

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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perl v5.20.3 DEVICE::USB::DEVENDPOINT (3) 2008-06-02

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