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  1. Path: sparky!uunet!wupost!q106fm!pete
  2. From: pete@q106fm.UUCP (pete cervasio)
  3. Newsgroups: comp.os.linux
  4. Subject: Microsoft Busmouse patch for 0.97pl4
  5. Message-ID: <8qZuqB1w164w@q106fm.UUCP>
  6. Date: Wed, 09 Sep 92 19:12:18 CDT
  7. Organization: WKBQ-FM Engineering Department
  8. Lines: 195
  9.  
  10. Hi, folks... I finally get to make some sort of contribution (after all
  11. these months). :-) I took the Microsoft Busmouse patch posted by Derrick
  12. Cole and folded it into the 0.97pl4 code.  The nice thing is you don't
  13. have to recompile the kernel if you change from Logitech to Microsoft.
  14. There's a new minor device number for MS mice - 2.  If you have a MS
  15. mouse and it's currently /dev/mouse with major=10 and minor=0, just do a
  16.  
  17.     rm /dev/mouse
  18.     mknod /dev/mouse c 10 2     (from memory...)
  19.  
  20. and you'll be set up to use this driver.  Tell X you have a busmouse.
  21. That's the main reason I went to this trouble - X11. :-)
  22.  
  23. With this patch, the minor devices for bus mice are:
  24.  
  25.     0 - Logitech
  26.     1 - PS/2 style mouse
  27.     2 - Microsoft
  28.  
  29. It should be fairly easy to add support for other (different) bus mice
  30. in the future.  I've managed to keep the MS mouse in the same fops[]
  31. struct, though at first I had a separate one (with separate open()
  32. read(), and release() functions).
  33.  
  34. Instructions:
  35.  
  36. Strip out the .uue file below to msmouse.uue.  My blabbering will
  37.     probably confuse uudecode.  It's already confused me.
  38. uudecode the file to msmouse.97p4.Z
  39. uncompress msmouse.97p4
  40. cd /usr/src              ( right above linux source tree )
  41. patch -p0 < /wherever.it.is/msmouse.97p4
  42. cd linux
  43. make disk
  44.  
  45. A problem (maybe?):
  46.  
  47. The Logitech initialization code will detect a mouse when it's a
  48. Microsoft, but the driver doesn't work.   The Microsoft init code
  49. currently doesn't check to see if one is there.  So... you'll either get
  50. two "mouse found" messages if you have either type, or one if you don't
  51. have any busmouse.
  52.  
  53. What I don't know (yet) is how to ask the mouse if it's a Microsoft.
  54. I'll play with mouse.com in Turbo Debugger tonight to see if I can find
  55. out anything.  I also don't know what the MS mouse init code does to a
  56. Logitech mouse... I don't have one to test it on.  Could someone with a
  57. Logitech mouse please apply this patch and see if it trashes your mouse?
  58. I'll see what I can do to fix it.
  59.  
  60. I've mailed this patch off to Linus, and maybe he'll use it in the next
  61. release.  Thanks to Teemu Rantanen and Derrick Cole for doing the hard
  62. parts.  <grin>  Hopefully this won't break anything.
  63.  
  64. Anyway, here's the uuencoded patch (yeah, I know it shows a later date
  65. for the original code... I cp'ed it from another drive to get it into
  66. the /src directory):
  67.  
  68. ---------------------------------------------
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  192. 60><A.M<RP%S@"-,*0H3^;;'+Q:4R%Z4R
  193. `
  194. end
  195. -----------
  196.  
  197.  
  198. +----------------------------------------------------------------------+
  199. | Pete Cervasio                | pete%q106fm.uucp@wupost.wustl.edu     |
  200. | I fish, therefore I am.      | pete.cervasio@f1.n2250.z1.fidonet.org |
  201. +----------------------------------------------------------------------+
  202. |  If you think of C as a preprocessor for your assembler, it makes    |
  203. |                   just as little sense as before.   (me)             |
  204. +----------------------------------------------------------------------+
  205.