I have the samsung display.  I'm still learning this development environment, so please be explicit in your instruction on setting the environment variable, or point to a good resource.

Thanks for your help


From: Mark Zieg <mark.zieg@oceanoptics.com>
Reply-To: "General mailing list for gumstix users." <gumstix-users@lists.sourceforge.net>
Date: Mon, 27 Feb 2012 01:03:54 +0000
To: "General mailing list for gumstix users." <gumstix-users@lists.sourceforge.net>
Subject: Re: [Gumstix-users] Gumstix hanging up on bootup

Hi Scott,

If you can boot up with a serial connection to the "Console" port, you should be able run the ts_calibrate command to calibrate the touchscreen.  You need to first export an environment variable to /dev/input/event0 or something...I can check at the office tomorrow.  And you might find you need to invert the Y-axis, some apps come up with the cursor vertically inverted (again, I have details at work).  And of course you can plug in a USB mouse via an external powered hub.

Finally, is your 4.3" LCD one of the older LG or the newer Samsung they've recently started shipping?  We had nothing but grief with the LG units, but the Samsung have been great.  Also, make sure there's nothing applying any pressure around the edge of the touchscreen if you have it mounted in any sort of housing, and try unseating and replugging it to the Chestnut, just 'cause :-)

(I got 5 of those same kits working a few weeks ago, and agree that they have their sticking points.  It was worth it in the end, however.  You might want to check on whether the external HOST USB port works before actually depending on it, though.)


On Feb 26, 2012, at 5:05 PM, Scott Newland wrote:

I have a Overo fire/Chestnut43 system I'm trying to get booted up, but Im having a issue.  I have been able to terminal in and change the default display to the LCD43.  When I boot up the system the display looks right, but it stops at the language select window.  I don't seem to be able to use the touch screen to select English so it can move further into it setup. If I touch the screen sometimes I will see a curser arrow on the screen its position is random, but seen to react to touching the screen.  I know I'm close.  Please help

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