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[RESOLVED] My official RPF 7" touch screen is touchy

Posted: Fri Sep 25, 2015 6:55 am
by Hove
The touch on my display usually stops working less than a minute after boot. I _think_ this is due to a case I'd bought putting pressure on the touch sensor chip. But before I chase this up with the manufacturers, I'd like to know if any others see this?

To be clear, touch works on boot, but fails within a minute and there's no way I've found to retrieve it short of a full power down / up.

Re: Touchy touch screen

Posted: Fri Sep 25, 2015 7:24 am
by fruitoftheloom
Hove wrote:The touch on my display usually stops working less than a minute after boot. I _think_ this is due to a case I'd bought putting pressure on the touch sensor chip. But before I chase this up with the manufacturers, I'd like to know if any others see this?

To be clear, touch works on boot, but fails within a minute and there's no way I've found to retrieve it short of a full power down / up.
To clarify, is this the Official RPF 7" Touch Screen :?:

Re: Touchy touch screen

Posted: Fri Sep 25, 2015 7:35 am
by Hove
Yes, this is the official RPF 7" touch screen display - I've updated the title. Thanks

Re: My official RPF 7" touch screen is touchy

Posted: Fri Sep 25, 2015 9:30 am
by PeterO
Have you updated the firmware by running rpi-update ? Your symptoms sound like those produced by the bug in the initial release of the touch screen code.
viewtopic.php?f=108&t=120565

PeterO

Re: My official RPF 7" touch screen is touchy

Posted: Fri Sep 25, 2015 11:03 am
by Hove
Thanks PeterO - firmware and lcd_rotate=2 has worked - my piPad is going to the CotswoldJam tomorrow so it + Florence are bound to get a thorough testing - I'll report back whether it survives.