Re: [PD] reading directly from /dev/psaux

Thanks for the advice guys; gpm seems to be the way to go.

Regards,

Chris.

On Thu, 23 Jan 2003 15:04:37 +0100 Frank Barknecht fbar@footils.org wrote:

Hi, Chris McCormick schrieb:

...

Has anyone got any suggestions for reading raw data from a PS/2 mouse on /dev/psaux into Pd? (without going through X) I've tried the ggee serial externals to no avail (strange results, maybe it's not a normal serial port?). If not I'll code my own external.

Because psaux mouses seem to be only able to be opened once, you might need to use gpm for this. "man gpm" gives a hint here:

   -R name
          Causes `gpm' to act as a repeater: any  mouse  data
          received  while in graphic mode will be produced on
          the fifo `/dev/gpmdata' in protocol name.  In prin­
          ciple,  you  can use the same names as for the `-t'
          option, although repeating into some protocols  may
          not  be  implemented for a while.  In addition, you
          can specify `raw' as the name, to repeat the  mouse
          data  byte  by  byte, without any protocol transla­
          tion.  If name is omitted, it  defaults  to  `msc'.
          Using gpm in repeater mode, you can configure the X
          server to use its fifo  as  a  mouse  device.  This
          option  is  useful for bus-mouse owners to override
          the single-open limitation. It is also an easy  way
          to  manage  those stupid dual-mode mice which force
          you to keep the middle button down  while  changing
          video  mode.  

ciao

Frank Barknecht

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