using a turntable
Welcome to the section "How I built my terminatorX turntable"!
Well, I already mentioned that I'm using terminatorX with a real turntable sometimes. Now some people built some stuff themselves and asked me how I did it. Quite sometime ago a friend of mine (hi, mo!) had the idea to use a real turntable for terminatorX. Now by chance I had broken serial mouse (the buttons had become deaf) and broken turntable (AIWA PX-30) lying around and decided to try to combine these two tools. So here is how I did it... btw: this is definitley NOT a HOWTO but an HOW I ;)
The pictures were taken with a VHS video-camera (thanks, mo!) and grabbed with Gerd Knorr's wonderful xawtv. Click on a picture to see the fullres version.
The resulting turntable CANNOT be used the way you used the turntable before (it has no motor anymore !) please read the usage hints below.
|Well, not much to say about this: the turntable. With a serial connector instead of a power plug and audio connectors.|
|The turntable without it's black cover. You can see two wholes in the table and we'll take a closer look at the left one with the next shot.|
|Through this whole you can see axis of the motor that formally drove
that turntable. I decided to use this axis for my mouse as:
|Now this thing in the middle is a mouse-axis after being removed from it's former device. You will see this thing (without it's metal axis) in the next shot at it's new position.|
|As you can see I opened the turntable's motor removed some of it. Then I simply attached the mouse x-axis "sensor" to the motor's axis. You have to ensure that the sensor is fixed and does not rotate when the axis moves.|
|Now this is the heart of the old mouse. This picture is here for a good reason. Take a look at the fullres picture to see: this turntable is WINDOWS 95 COMPATIBLE. Thank god.|
|Just to give you an impression of what a turntable looks like from the inside here's a shot of the complete turntable. The motor and the mouse are located in the upper left area of this picture.|
|Now if you want XFree86 to accept the turntable as an additional input device add the lines to the right to your XF86Config. Of course you will have to adjust Protocol and Device according to the mouse you are using. Run a "man XF86Config" for the details. You have to restart your X-server for the changes to take effect.||Section "XInput"
|Finally you'll have to tell terminatorX to actually use the turntable. Simply select the device (with the DeviceName you chose to give it in your XF86Config) in the Options Dialog and from now on you should be able to scratch with your turntable.|
The following information is taken from the old mouse-section. As it might contain some info relevant for somebody here it is:
Three ways to abuse your mouse:
TerminatorX now uses the XFree86 extensions DGA and XInput to sample mouse movement. There a three ways you can use your mouse:
If you have a Logitech mouse too and you use XFree86 I advice you to do the following (if you haven't done so already (or your distribution set this for you)):
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Copyright (C) 1999 by Alexander König