What is a USB Missile Launcher? Some kind of toy? On Jun 4, 7:13 am, MartyMoose <[email protected]> wrote: > I thought I would add a post about the usb MissileLauncher code found > in the samples. I discovered that the unit I bought did not work > with the given code. I could only find the STORM launcher online so I > knew there were probably some differences. > > First using the AdbTest code, I found out that the vender ID was 8483 > and the product ID was 4112. So I had to modify the device_filter.xml > to include an entry for my launcher. > > <resources> > <!-- vendor and product ID for Dream Cheeky USB Missle Launcher -- > > <usb-device vendor-id="2689" product-id="1793" /> > <!-- vendor and product ID for Dream Cheeky Wireless USB Missle > Launcher --> > <usb-device vendor-id="2689" product-id="65281" /> > <!-- vendor and product ID for Dream Cheeky Storm USB Missile > Launcher (Gray)--> > <usb-device vendor-id="8483" product-id="4112" /> > </resources> > > When I reran the code, I found that only the "down" command would work > (after realizing that I had to unplug and replug in the device). So I > suspected the commands were different. > > I found a really nice python program that handles several different > kinds of USB missile launchers: > > http://code.google.com/p/pyrocket/ > > My particular device required an 8 byte command so I modified > sendCommand to support this format. Please forgive my Java (I'm still > learning the language). I'm sure there is a much cleaner way to do > this: > > synchronized (this) { > if (control != COMMAND_STATUS) { > Log.d(TAG, "sendMove " + control); > } > if (mConnection != null) { > byte[] message = new byte[8]; > //message[0] = (byte) control; > > // for my device, I need an eight byte command. > message[0] = (byte) 2; > message [1]= (byte) control; > message [2] = 0; > message [3] = 0; > message [4] = 0; > message [5] = 0; > message [6]= 0; > message [7] = 0; > // Send command via a control request on endpoint zero > mConnection.controlTransfer(0x21, 0x9, 0x200, 0, > message, message.length, 0); > } > } > } > > Anyway, after these modifications, the application works perfectly. > Anyway, I hope this helps anyone trying to get the code to work with > their launcher. > > Marty
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