From: Steve S. <sa...@gm...> - 2007-12-28 13:49:49
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Bill, I can see why you would forget about that! Until I knew what to look for it was invisible to me too. I guess we usually focus on looking for a logic error in the code itself. > I think there was some progress on this posted on l-a-k about six months > ago. Maybe I haven't had enough coffee this morning, but l-a-k isn't ringing a bell for me! What do those three letters stand for? Thanks, Steve On Dec 28, 2007 4:57 AM, Bill Gatliff <bg...@bi...> wrote: > Steve Sakoman wrote: > > Eric, > > > > I finally got some time to devote to seriously looking at the > > touchscreen driver rather than a few snatched moments here and there. > > > > Five minutes with a logic analyzer on the i2c lines showed where all > > those i2c timeout messages were coming from: the driver was > > attempting to probe adressess 48, 49, 4a, and 4b. Of course the chip > > only answers to the first address, so the driver tries for a while and > > then gives up and prints the messages. A simple one line fix limits > > the probe to just the proper address. > > > > D'oh! :) > > The board I wrote that driver for had two tsc2003's on it, with > provisions for at least one more. Over time, it became so natural to me > to have the driver probe all possible ports that I didn't even "see" > that code anymore. Sorry!! > > Props to you for sorting this out, despite my "help". :) > > > > That plus a udev rule to map tsc2003 events to /dev/input/touchscreen > > got us a working touchscreen on the x11 image. > > > > Still have those RGB18 nasties to deal with on fonts & icons . . . > > > > I think there was some progress on this posted on l-a-k about six months > ago. > > > b.g. > > -- > Bill Gatliff > bg...@bi... > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > |