Object Oriented wrapper for LibUSB
Component Pascal
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README.rst

README.rst

pas-libusb -- Object Oriented wrapper for LibUSB

libusb provides access to USB devices in user space.

This project provides Pascal header translations plus an object-oriented wrapper for convenience.

Note: Currently only the legacy version 0.1 of libusb is supported. The new version 1.0 introduced major changes in the API and will be supported later.

License

Copyright (C) 2012 Johann Glaser <Johann.Glaser@gmx.at>

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Directory Structure

src/
Header translations and OOP wrapper.
src/examples/
Example for the direct usage of the OOP wrapper. This directory also has a Makefile.

Build

$ cd src/examples/
$ make

For further information see the comment at the top of src/examples/testfirmware.pas.

Usage

Simply add the units LibUSB and USB to the uses-clause of your program. Derive from the class TUSBDevice to implement your custom driver.

The unit EZUSB provdes the class TUSBDeviceEZUSB to interface to the Cypress EZ-USB AN2131 microcontrollers. It provides functions to access the on-chip SRAM and to download its firmware.

Platform

This project was compiled with FreePascal 2.6.0 on Linux.

Other Projects

k7103-usb
The USB Interface of the Velleman k7103 PC Storage Oscilloscope http://k7103.sourceforge.net/ uses these units to communicate with the hardware.
EZ-Tools
EZ-Tools is a command line tool for generic access to devices with a built in Cypress EZ-USB AN2131 microcontroller.