812 lines
28 KiB
Plaintext
812 lines
28 KiB
Plaintext
The 3 Button Serial Mouse mini-HOWTO
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Geoff Short, geoff@kipper.york.ac.uk
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v1.33, 31 May 1998
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How to get a 3 button serial mouse working properly under Linux.
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______________________________________________________________________
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Table of Contents
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1. Disclaimer
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2. Introduction
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3. Serial Ports
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4. Switched Mice
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5. Normal Mice
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6. Switching a Mouse to 3-Button Mode
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7. Wheeled mice
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8. Using gpm to Switch Mouse Modes
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9. Using two mice
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10. XF86Config and Xconfig file examples
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11. Cables, extensions and adaptors
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12. Miscellaneous Problems and Setups
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13. Models Tested
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14. Further Information
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15. Mouse Tail
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______________________________________________________________________
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1. Disclaimer
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The following document is offered in good faith as comprising only
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safe programming and procedures. No responsibility is accepted by the
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author for any loss or damage caused in any way to any person or
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equipment, as a direct or indirect consequence of following these
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instructions.
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2. Introduction
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The most recent version of this document can always be found at
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http://kipper.york.ac.uk/mouse.html
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There is a Japanese translation at http://jf.gee.kyoto-u.ac.jp/JF/JF-
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ftp/euc/3-Button-Mouse.euc; and a French one at
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http://www.freenix.fr/linux/HOWTO/mini/3-Button-Mouse.html. Other
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translations may be available - check your local LDP mirrors.
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Most X applications are written with the assumption that the user will
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be working with a 3 button mouse. Serial mice are commonly used on
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computers and are cheap to buy. Many of these mice have 3 buttons and
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claim to use the Microsoft protocol, which in theory means they are
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ideal for the X windows setup. (The record for the cheapest working 3
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button mouse currently stands at $1.14!)
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Most dual-protocol mice will work in two modes:
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· 2-button Microsoft mode.
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· 3-button MouseSystems mode.
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This document leads you through the different steps needed to
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configure your mouse in these two different modes, especially the
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steps needed to use the more useful 3-button mode.
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As distributions become easier to set up, some of the problems ought
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to go away. For instance, RedHat have a mouseconfig program to set
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things up for you. However, some versions of RH5.0 had a bug in
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mouseconfig, so make sure you check for patches.
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3. Serial Ports
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The first thing to do is to make sure the software can find the mouse.
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Work out which serial port your mouse is connected to - usually this
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will be /dev/ttyS0 (COM1 under DOS) or /dev/ttyS1 (COM2). (ttyS0 is
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usually the 9 pin socket, ttyS1 the 25 pin socket, but of course there
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is no hard and fast rule about these things.) There are also an
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equivalent number of /dev/cua devices, which are almost the same as
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the ttyS ones, but their use is now discouraged. For convenience make
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a new link /dev/mouse pointing at this port. For instance, for ttyS0:
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ln -s /dev/ttyS0 /dev/mouse
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4. Switched Mice
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Some mice, not usually the cheapest ones, have a switch on the bottom
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marked `2/3'. Sometimes this may be `PC/MS'. In this case the `2'
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setting is for 2 button Microsoft mode, and the `3' for 3 button
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MouseSystems mode. The `PC/MS' switch is a bit more complicated. You
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will probably find the `MS' setting is for Microsoft, and the `PC' is
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for MouseSystems. You may find the `PC' setting described as ps/2
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mode, but it should do MouseSystems as well. If you have such a
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mouse, you can switch the switch to `3' or `PC', put the MouseSystems
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settings in your XConfigs (see below) and the mouse should work
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perfectly in 3-button mode.
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5. Normal Mice
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If you don't have any switches, and no instructions, then a little bit
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of experimentation is needed. The first thing to try is to assume the
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mouse maker is telling the truth, and the mouse is full Microsoft. Set
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up your Xconfigs to expect a Microsoft mouse (see the Xconfig section)
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and give it a try.
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If the mouse didn't work at all, then you don't have a Microsoft
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mouse, or there is some other problem. Try the other protocols in the
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configs, the man page for the config file is the best place to start
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looking. Also look in the Miscellaneous Problems section below.
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What you will probably find is that when you run X, the mouse works
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fine but only the outer two buttons do anything. You can of course
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accept this, and emulate the third button (press both buttons at once
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to click the middle one) like you do with a two button mouse. To do
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this, change your Xconfig file as shown in the Xconfig example section
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below. This may mean you have bought a 3 button mouse for no good
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reason, and you are certainly no further forward. So, now you need to
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look at your hardware.
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6. Switching a Mouse to 3-Button Mode
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Even cheap mice can also work under the Mouse Systems protocol, with
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all three buttons working. The trick is to get the mouse to think
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it's a Mouse Systems one, something you rarely see in your
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instructions.
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· Before you power up your computer, hold down the left mouse button
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(and keep it held down until it has booted to be on the safe side).
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When the mouse first gets power, if the left button is held down it
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switches into Mouse Systems mode. A simple fact, but not always
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publicised. Note that a soft reboot of your computer may not cut the
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mouse power and therefore may not work. There are a number of other
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ways of switching the mode, which may or may not work with your
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particular mouse. Some of these are less drastic than rebooting your
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computer, two are more so!
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· If your computer is get-at-able you can unplug the mouse and plug
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it back in with the button held down (although you shouldn't
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normally plug things in to a live computer, the RS232 spec says it
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is OK).
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· You may be able to reset the mouse by typing echo "*n" >
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/dev/mouse, which should have the same effect as unplugging it.
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Hold the left button down for Mouse Systems mode, not for
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Microsoft. You could put this in whatever script you use to start X
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up.
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· Bob Nichols (rnichols@interaccess.com) has written a small c
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program to do the same thing, which may work if echo "*n" does not
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(and vice versa). You can find a copy of his source code at
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http://kipper.york.ac.uk/src/fix-mouse.c
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· Someone has reported that the `ClearDTR' line in the Xconfig is
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enough to switch their mouse into Mouse Systems mode.
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· If you are brave enough, open the mouse up (remember that this will
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invalidate your warranty) and have a look inside. In some cases,
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the mouse may have a switch inside, for some strange reason known
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only to the manufacturer. More likely on the cheap mice is a jumper
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which you can move. The switch or jumper may have the same effect
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as a `MS/PC' switch described in the ``Switched Mice section''
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above. You may find that the circuit board is designed for a
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switch between 2 & 3 buttons, but it hasn't been fitted. It will
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look something like:
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-----------
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| o | o | o | SW1
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-----------
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1 2 3
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Try linking pins 1-2 or 2-3, and see if it changes the behaviour of
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the mouse. If it does, you can either fit a small switch, or solder
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across the contacts for a quick and permanent solution.
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· Another soldering solution which might be a last-resort for mice
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which don't understand MouseSystems at all, from Peter Benie
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(pjb1008@chiark.chu.cam.ac.uk). If the middle button's switch is
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double-pole, connect one side of the switch to the left button's
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switch, and the other side to right button's switch. If it's not a
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double pole switch then use diodes rather than wire. Now, the
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middle button pushes the left and right buttons down together.
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Select ChordMiddle in the XF86Config and you have a working middle
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button.
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· The ultimate recourse with the soldering iron was first described
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to me by Brian Craft (bcboy@pyramid.bio.brandeis.edu). Two common
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generic mouse chips are the 16 pin Z8350, and the 18 pin HM8350A.
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On each of these chips, one pin controls the mode of the chip, as
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follows.
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Pin 3 Mode
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----- ----
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Open Default Microsoft. Mouse Systems if a button is held on power-up.
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GND Always Mouse Systems.
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Vdd Always Microsoft.
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(Pins are numbered as follows:)
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____
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pin1 -| \/ |-
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pin2 -| |-
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pin3 -| |-
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-| |-
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-| |-
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-| |-
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-| |-
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pin8 -|____|-
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(This info comes courtesy of Hans-Christoph Wirth, and Juergen Exner,
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who posted it to de.comp.os.linux.hardware) You can solder a link
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between pin 3 and gnd, which will fix the mouse into MouseSystems
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mode.
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· Peter Fredriksson (peterf@lysator.liu.se) has tried the SYSGRATION
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SYS2005 chip, and found that linking Pin 3 to Gnd forced Mouse
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System mode.
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· Uli Drescher (ud@digi.ruhr.de) confirms it works on an HN8348A
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chip; Ben Ketcham (bketcham@anvilite.murkworks.net) confirms the
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HM8348A (Pin 9 is Gnd).
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· Urban Widmark (ubbe@ts.umu.se) says the same applies to the
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EC3567A1 chip, where Pin 8 is ground. I've tried it as well and it
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works fine.
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· Timo T Metsala (metsala@cc.helsinki.fi) has found that on the
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HT6510A chip pin 3 is mode select, pin 9 is Gnd. The same works
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for the HT6513A chip. Holtek also make HT6513B and HT6513F chips -
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on these, pin 8 is Gnd.
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· Robert Romanowski (robin@cs.tu-berlin.de) says pin 3 - pin 8 (Gnd)
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works on an EM83701BP chip too.
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· Robert Kaiser (rkaiser@sysgo.de) confirms that pin 3 - Gnd works on
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a EC3576A1 chip too.
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· Sean Cross (secross@whidbey.com) found it was pin 2 - pin 7 (Gnd)
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on a HM8370GP chip.
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· Peter Fox (fox@roestock.demon.co.uk) used pin 3 - pin 8 on a
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HM8348A chip.
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· Jon Klein (jbklein@mindspring.com) found pin 3 - pin 9 did the
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trick for a UA5212S chip.
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· As an alternative to the above soldering methods, you can get the
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mouse to hold it's own button down when booting: this circuit from
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Mathias Katzer.
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-----
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--- R ---------O------ + Supply
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| ----- | | C = 100nF capacitor
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| | E | R = 100kOhm
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| __ / | T = BC557 transistor
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| / \ O
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| B | #V | T /
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|-----|-# | / Left button switch of the mouse
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| | #\ | O
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| \__/ |
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--- \ C |
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--- C ------O----------> (to somewhere deep inside the mouse)
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### Ground
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The test mouse was a no-name model MUS2S - whether this works in other
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mice depends on the circuit of the mouse; if the switch is connected
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to ground and not to +Supply, an npn-transistor like the BC547 should
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work; R and C have to be swapped then, too.
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So there you have it, the choice is yours. Stick with the default
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Microsoft two buttons, or work out how to switch the mode and set X up
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to take advantage of this.
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7. Wheeled mice
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Mice with wheels have emerged in the last few years, starting with the
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Microsoft Intellimouse and spreading to other manufacturers. The
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wheel can be clicked like a button, or rolled up and down. Far and
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away the best reference for information is
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http://www.inria.fr/koala/colas/mouse-wheel-scroll/ which describes
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how to get lots of X applications to recognise the scrolling action.
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In general, you'll need a fairly new Xserver to use the scrolling
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action, but some older servers will recognise the clicking actions.
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For instance, the Intellimouse is supported by XFree 3.3.1 and later.
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8. Using gpm to Switch Mouse Modes
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gpm is the program that lets you use the mouse in console mode. It is
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usually included in linux distributions, and can be started from the
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command line or in the startup script /etc/rc.d/rc.local. Note that
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distributions don't always have the most recent version (1.13 at time
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of writing) which can be found on mirrors of sunsite.unc.edu.
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The main modes for serial mice under gpm are:
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gpm -t ms
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gpm -t msc
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gpm -t help
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for Microsoft or MouseSystems modes, or to probe the mouse for you and
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tell you what it found. To run gpm in MouseSystems mode, you may need
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a -3 flag, and possibly a DTR option, using the -o dtr flag:
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gpm -3 -o dtr -t msc
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gpm is often able to recognise all three buttons of the mouse even in
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Microsoft mode. And newer versions (Version 1.0 and later (?)) can
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then make this information available to other programs. For this to
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work, you need to run gpm with the -R tag, like this:
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gpm -R -t ms
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This will make gpm re-export the mouse data to a new device, called
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/dev/gpmdata, which looks like a mouse to any other program. Note
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that this device always uses the MouseSystems protocol. You can then
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set your Xconfig to use this instead of /dev/mouse as shown below, but
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of course you must ensure gpm is always running when you use X. Some
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people have reported that some middle-button events are not correctly
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interpreted by X using this technique, this may be down to an individ
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ual mouse setup.
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Changing button mapping for gpm and X (gustafso@math.utah.edu)
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You may find that gpm uses different default button mappings to X, so
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using both systems on the same machine can be confusing. To make X
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use the same buttons for select and paste operations as gpm, use the X
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command
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xmodmap -e "pointer = 1 3 2"
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which causes the left button to select and the right button to paste,
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for either 2-button or 3-button mice. To force gpm to use the X stan
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dard button mapping, start it with a -B command, eg:
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gpm -t msc -B 132
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9. Using two mice
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In some cases, for instance a laptop with a built-in pointing device,
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you may wish to use a serial mouse as a second device. In most cases
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the built-in device uses the PS/2 protocol, and can be ignored if you
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don't wish to use it. Simply configure gpm or X to use /dev/ttyS0 (or
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whatever) as usual.
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To use both at once, you can use gpm -M to re-export the devices.
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More details in the gpm man page. Also, XFree 3.3.1 and later support
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muliple input devices, using the XInput mechanism. Auto-generated
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XF86Config files should have the necessary comments in them.
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10. XF86Config and Xconfig file examples
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The location of your configuration file for X depends on the
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particular release and distribution you have. It will probably be
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either /etc/Xconfig, /etc/XF86Config or /usr/X11/lib/X11/XF86Config.
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You should see which one it is when you start X - it will be echoed to
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the screen before all the options are displayed. The syntax is
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slightly different between the XF86Config and Xconfig files, so both
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are given.
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Microsoft Serial Mouse
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· XF86config:
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Section "Pointer"
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Protocol "microsoft"
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Device "/dev/mouse"
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EndSection
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· Xconfig:
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#
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# Mouse definition and related parameters
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#
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Microsoft "/dev/mouse"
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Microsoft Serial Mouse with Three Button Emulation
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· XF86config:
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Section "Pointer"
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Protocol "microsoft"
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Device "/dev/mouse"
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Emulate3Buttons
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EndSection
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· Xconfig:
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#
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# Mouse definition and related parameters
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#
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Microsoft "/dev/mouse"
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Emulate3Buttons
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MouseSystems Three Button Serial Mouse
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· XF86config:
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Section "Pointer"
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Protocol "mousesystems"
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Device "/dev/mouse"
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ClearDTR # These two lines probably won't be needed,
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ClearRTS # try without first and then just the DTR
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EndSection
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· Xconfig:
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#
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# Mouse definition and related parameters
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#
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MouseSystems "/dev/mouse"
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ClearDTR # These two lines probably won't be needed,
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ClearRTS # try without first and then just the DTR
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Microsoft Serial Mouse with gpm -R
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· XF86config:
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Section "Pointer"
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Protocol "MouseSystems"
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Device "/dev/gpmdata"
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EndSection
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· Xconfig:
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#
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# Mouse definition and related parameters
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#
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MouseSystems "/dev/gpmdata"
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11. Cables, extensions and adaptors
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The only wires needed in a mouse cable are as follows: TxD and RxD for
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data transfer, RTS and/or DTR for power sources, and ground.
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Translated into pin numbers, they are:
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9-pin port 25-pin port
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TxD 3 2
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RxD 2 3
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RTS 7 4
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DTR 4 20
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Gnd 5 7
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The above table may be of use if you wish to make adaptors between 9-
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and 25-pin plugs, or extension cables.
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12. Miscellaneous Problems and Setups
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· If you have trouble with your mouse in X or console mode, check you
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are not running a getty on the serial line, or anything else such
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as a modem for that matter. Also check for IRQ conflicts.
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· It is possible that you need to hold down the left button when
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booting X windows. Some systems may send some sort of signal or
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spike to the mouse when X starts.
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· Problems with serial devices may be due to the serial port not
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being initialised correctly at boot. This is done by the setserial
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command, run from the start-up script /etc/rc.d/rc.serial. Check
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the man page for setserial and the Serial-HOWTO for more details.
|
||
It may be worth a little experimentation with types, for instance
|
||
try setserial /dev/mouse uart 16550 or 16550a regardless of what
|
||
port you actually have. (For instance, mice don't like the
|
||
16c550AF).
|
||
|
||
· The ClearDTR flag may not work properly on some systems, unless you
|
||
disable the RTS/CTS handshaking with the command:
|
||
|
||
|
||
stty -crtscts < /dev/mouse
|
||
|
||
|
||
(Tested on UART 16450/Pentium by Vladimir Geogjaev geog
|
||
jaev@wave.sio.rssi.ru)
|
||
|
||
· Logitech mice may require the line ChordMiddle to enable the middle
|
||
of the three buttons to work. This line replaces Emulate3Buttons or
|
||
goes after the /dev/mouse line in the config file. You may well
|
||
need the ClearDTR and ClearRTS lines in your Xconfig. Some
|
||
Logitech mice positively do not need the ChordMiddle line - one
|
||
symptom of this problem is that menus seem to move with the mouse
|
||
instead of scrolling down. (From: chang@platform.com)
|
||
|
||
· Swapping buttons: use the xmodmap command to change which physical
|
||
button registers as each mouse click. eg: xmodmap -e "pointer = 3
|
||
2 1" will turn round the buttons for use in the left hand. If you
|
||
only have a two-button mouse then it's just numbers 1 & 2.
|
||
|
||
· Acceleration: use the xset m command to change the mouse settings.
|
||
eg xset m 2 will set the acceleration to 2. Look at the manpage
|
||
for full details.
|
||
|
||
· Pointer offset: If the click action appears to be coming from the
|
||
left or right of where the cursor is, it may be that your screen is
|
||
not aligned. This is a problem with the S3 driver, which you may be
|
||
able to fix using xvidtune. Try Invert_VCLK/InvertVCLK, or EarlySC.
|
||
This info from Bill Lavender (lavender@MCS.COM) and Simon Hargrave.
|
||
In the XF86Config, it might look like this:
|
||
|
||
|
||
|
||
Subsection "Display"
|
||
Modes "1024x768" "800x600" "640x480" "1280x1024"
|
||
Invert_VCLK "*" 1
|
||
...
|
||
|
||
|
||
|
||
· If you are getting `bouncing' of the mouse buttons, ie two clicks
|
||
when you only wanted one, there may be something wrong with the
|
||
mouse. This problem has been solved for Logitech mice by Bob
|
||
Nichols (rnichols@interaccess.com) and involves soldering some
|
||
resistors and a chip in the mouse to debounce the microswitches.
|
||
|
||
· If some users cannot get the mouse to work but some (eg root) can,
|
||
it is possible that the users are not running exactly the same
|
||
thing - for instance a different version of X or a different
|
||
Xconfig. Check the X start-up messages carefully to make sure.
|
||
|
||
· If you find the mouse pointer is erasing things from your screen,
|
||
you have a server config problem. Try adding the option linear, or
|
||
maybe nolinear to the graphics card section, or if it is a PCI
|
||
board, the options tgui_pci_write_off and tgui_pci_read_off. (This
|
||
seems to be a Trident Card problem.)
|
||
|
||
· If the mouse cursor doesn't show up on the screen, but otherwise
|
||
seems to be working, try the option "sw_cursor" in the Device
|
||
section of the config file.
|
||
|
||
· If your mouse stops working when its sunny or when you turn a light
|
||
on, it may be that the sensors are being swamped by light getting
|
||
through the case. You could try painting the inside of the case
|
||
black, or putting some card in the top.
|
||
|
||
· Microsoft Brand mice are often a cause of problems. The newest
|
||
``Microsoft Serial Mouse 2.1A'' has been reported not to work on
|
||
many systems, although unplugging it and plugging it in again may
|
||
help. gpm version 1.13 and higher should also support 2.1A mice,
|
||
using the pnp mouse type. (See the gpm section for how to re-
|
||
export this.) The ``Microsoft Intellimouse'' also causes problems,
|
||
although it should now be supported by XFree version 3.3 and later.
|
||
|
||
|
||
13. Models Tested
|
||
|
||
There are a lot of different mice out there, and I cannot honestly say
|
||
that you should go out and buy one rather than the other. What I can
|
||
do is give a list of what I think these mice do, based on experience
|
||
and heresay. Even with this information you should be a little
|
||
cautious - we had two identical mice in our office on two computers,
|
||
some things worked on one and not t'other! Any additions to this list
|
||
would be welcome.
|
||
|
||
|
||
Mouse Systems optical mouse, serial version
|
||
Works well (as you might expect from the name!) without ClearDTR or
|
||
ClearRTS in the config.
|
||
WiN mouse, as sold by Office World for eight quid.
|
||
Standard dual-mode Microsoft/MouseSystems.
|
||
Agiler Mouse 2900
|
||
Standard dual-mode Microsoft/MouseSystems. SYSGRATION SYS2005 chip is
|
||
solderable.
|
||
Sicos mouse,
|
||
Works ok, needs ClearDTR & Clear RTS in config.
|
||
Index sell a mouse for 10 quid,
|
||
Doesn't work in 3 button mode, but does have nice instructions :-)
|
||
Artec mouse
|
||
Usual dual-protocol mouse, needs `ClearDTR' set in config, NOT
|
||
`ClearRTS'
|
||
DynaPoint 3 button serial mouse.
|
||
Usual dual-protocol mouse, needs `ClearDTR' AND `ClearRTS' in Xconfig.
|
||
Genius Easymouse 3 button mouse
|
||
Works fine with Mouseman protocol without the ChordMiddle parameter
|
||
set. From Roderick Johnstone (rmj@ast.cam.ac.uk)
|
||
Truemouse, made in Taiwan
|
||
Works OK, needs `ClearDTR' in config. (From Tim MacEachern)
|
||
Champ brand mouse
|
||
Needs to have switch in PC mode, which enables MouseSystems protocol
|
||
also. (From tnugent@gucis.cit.gu.edu.au)
|
||
MicroSpeed mouse
|
||
Usual dual-protocol mouse.
|
||
Venus brand ($7)
|
||
Has a jumper inside to switch between 2 and 3 button mode. (From
|
||
mhoward@mth.com )
|
||
Saturn
|
||
Switched mouse, works OK as MouseSystems in 3-button position. (From
|
||
grant@oj.rsmas.miami.edu .)
|
||
Manhattan mouse.
|
||
Switch for `MS AM' / `PC AT' modes, MS mode works fine with the gpm -R
|
||
method. (From komanec@umel.fee.vutbr.cz).
|
||
Inland mouse.
|
||
Switch for `PC/MS' modes, works fine. (From
|
||
http://ptsg.eecs.berkeley.edu/~venkates).
|
||
qMouse (3-button), FCC ID E6qmouse X31.
|
||
Sells in the USA for about $10. Works with `gpm -t msc -r 20'. No
|
||
jumpers or switches for MouseSystems 3-button mode. Unreliable in X.
|
||
Does not respond to echo "*n" > /dev/mouse.
|
||
Mitsumi Mouse (2-button), FCC ID EW4ECM-S3101.
|
||
Sells in the USA for about $12. Reliable in X and under gpm, smooth
|
||
double-button. (These two from gustafso@math.utah.edu)
|
||
PC Accessories mouse that i got from CompUSA for under $10.
|
||
Has PC/MS switch on bottom. Works OK. (From steveb@communique.net)
|
||
First Mouse - seriously cheap at 7.79 pounds at Tempo.
|
||
Dual Microsoft/MouseSystems, mode set by button depress at power-up.
|
||
No switches, no links. Four wire connection, echo '*n' doesn't work.
|
||
`gpm -R' works a treat. (From peterk@henhouse.demon.co.uk)
|
||
Trust 3-button mouse.
|
||
Dual-mode with switch, works OK as MouseSystems in `PC' mode. gpm
|
||
doesn't like the Microsoft mode.
|
||
Chic 410
|
||
Works perfectly when kept in ms mode and used with the gpm -R command.
|
||
From Stephen M. Weiss (steve@esc.ie.lehigh.edu)
|
||
KeyMouse 3-button mouse.
|
||
Works OK with ClearDTR and ClearRTS in Xconfig; `-o dtr' needed with
|
||
gpm. (From EZ4PHIL@aol.com)
|
||
Qtronix keyboard `Scorpio 60'
|
||
All three buttons work in MouseSystems protocol. (From
|
||
hwe@uebemc.siemens.de)
|
||
Tecra 720 laptop
|
||
The glidepoint is on /dev/cua0; the stick is on /dev/psaux. (From
|
||
apollo@anl.gov)
|
||
Anubis mouse
|
||
Works fine, need to hold down left button whenever switching to the X
|
||
virtual console. (From Joel Crisp)
|
||
Yakumo No.1900 mouse
|
||
Works with gpm -R -t ms exporting to X. (From Oliver Schwank)
|
||
Genius `Easy Trak' Trackball
|
||
Is not Microsoft compatible, use Mouseman in the Xconfig and it will
|
||
work fine. (From VTanger@aol.com.)
|
||
Highscreen Mouse Pro
|
||
`Works fine' says alfonso@univaq.it.
|
||
Logitech CA series
|
||
Works in X using MMseries protocol, at 2400 Baud, 150 SampleRate.
|
||
(Should also apply to Logitech CC, CE, C7 & C9 mice). (From
|
||
vkochend@nyx.net.)
|
||
A4-Tech mouse
|
||
Works OK, needs DTR line under both X and gpm. (From
|
||
deane@gooroos.com)
|
||
Vertech mouse
|
||
Normal Microsoft/Mousesystems behaviour, can be soldered for a
|
||
permenant fix. (From duncan@fs3.ph.man.ac.uk.)
|
||
Boeder M-7 ``Bit Star'' (and other M series apart from M13)
|
||
Switches to Mousesystems protocol by holding any button down at power-
|
||
on. (From mailto:sjt@tappin.force9.co.uk.)
|
||
Mouse Systems ``Scroll'' Mouse (four buttons and a roller/button)
|
||
Has a 2/3 switch - in mode 3 functions as a three button MouseSystems
|
||
mouse, ignoring extra button & wheel. Doesn't need ClearRTS/DTR.
|
||
(From parker1@airmail.net.)
|
||
Radio Shack 3-button Serial Mouse
|
||
Model 26-8432, available in Tandy for about 20 quid. Works as
|
||
Mousesystems with ClearDTR. (From Sherilyn@sidaway.demon.co.uk.)
|
||
Dexxa serial mouse
|
||
Works fine using Microsoft protocol in Xconfig, no ChordMiddle or
|
||
anything needed. (From mailto:slevy@ncsa.uiuc.edu.)
|
||
Belkin 3 button mouse
|
||
As purchased from Sears (\$10), needs -o rts under gpm (and probably
|
||
ClearRTS under X) when in PC mode. (From mailto:mmicek@csz.com.)
|
||
|
||
14. Further Information
|
||
|
||
|
||
· Mouse Systems has a web site at http://www.mousesystems.com/. They
|
||
have a Windows driver if you need one.
|
||
|
||
· The Linux Serial HOWTO is available from mirrors of sunsite around
|
||
the world. If you don't know where your nearest mirror is, start
|
||
at http://sunsite.unc.edu/mdw/linux.html
|
||
|
||
· There is a very good explanation of how mice work at
|
||
http://www.4QD.co.uk/faq/meece.html.
|
||
|
||
· Fuller details of the Xconfig and XF86Config files are found on the
|
||
relevant man pages, and in the documentation about installing X
|
||
windows such as the Xfree86 HOWTO. Also, see the XFree86 FAQ at a
|
||
mirror of http://www.XFree86.org/.
|
||
|
||
· Information about gpm can be found on the man page, also try the
|
||
web page of Darin Ernst at http://www.castle.net/X-
|
||
notebook/mouse.txt.
|
||
|
||
· Lots of information on mice hardware and software can be found at
|
||
http://www.hut.fi/Misc/Electronics/pc/interface.html#mouse
|
||
|
||
|
||
15. Mouse Tail
|
||
|
||
Much of the information for this document has been trawled from the
|
||
various linux newsgroups. I am sorry I did not keep a record of
|
||
everyone who has indirectly contributed by this route, thank you all
|
||
very much.
|
||
|
||
|
||
So, to sum up:
|
||
|
||
|
||
· Even cheap 3 button Microsoft mice can be made to work.
|
||
|
||
· Configure your copy of X to expect a Mouse Systems mouse.
|
||
|
||
· Hold down the left button at power-on to switch the mouse to
|
||
MouseSystems mode.
|
||
|
||
· You might need to hold the left button down when starting X.
|
||
|
||
· Mice are more intelligent than you think.
|
||
|
||
|
||
|