5ef50110e7
- Changed package names according to the new naming convention git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@277 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
61 lines
1.9 KiB
Java
61 lines
1.9 KiB
Java
/*
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* Java libusb wrapper
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* Copyright (c) 2005-2006 Andreas Schläpfer <spandi at users.sourceforge.net>
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*
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* http://libusbjava.sourceforge.net
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* This library is covered by the LGPL, read LGPL.txt for details.
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*/
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package ch.ntb.usb.demo;
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import ch.ntb.inf.libusbJava.Device;
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import ch.ntb.inf.libusbJava.USB;
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import ch.ntb.inf.libusbJava.USBException;
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/**
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* Demo class to demonstrate simple read and write operations to an USB device.<br>
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*
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*/
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public class ReadWrite {
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private static void logData(byte[] data) {
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System.out.print("Data: ");
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for (int i = 0; i < data.length; i++) {
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System.out.print("0x" + Integer.toHexString(data[i] & 0xff) + " ");
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}
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System.out.println();
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}
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public static void main(String[] args) {
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// get a device instance with vendor id and product id
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Device dev = USB.getDevice((short) 0x8235, (short) 0x0222);
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try {
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// data to write to the device
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byte[] data = new byte[] { 0, 1, 2, 3 };
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// data read from the device
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byte[] readData = new byte[data.length];
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// open the device with configuration 1, interface 0 and without
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// altinterface
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// this will initialise Libusb for you
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dev.open(1, 0, -1);
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// write some data to the device
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// 0x03 is the endpoint address of the OUT endpoint 3 (from PC to
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// device)
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dev.writeInterrupt(0x03, data, data.length, 2000, false);
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// read some data from the device
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// 0x84 is the endpoint address of the IN endpoint 4 (from PC to
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// device)
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// bit 7 (0x80) is set in case of an IN endpoint
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dev.readInterrupt(0x84, readData, readData.length, 2000, false);
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// log the data from the device
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logData(readData);
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// close the device
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dev.close();
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} catch (USBException e) {
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// if an exception occures during connect or read/write an exception
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// is thrown
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e.printStackTrace();
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}
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}
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}
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