Messages in this thread | | | Date | Sun, 21 May 2006 20:35:21 +0200 | From | Pavel Machek <> | Subject | Re: How should Touchscreen Input Drives behave (OpenEZX pcap_ts) |
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Hi! > > > > Another one: you say you're workin on building X-e. Are you talking about kdrive? > > > > > > I have no idea, just replaying the package names that OE uses ;) > > > > > > I now have Xfbdev running on the A780. Unfortunately due to some > > > strange black magic, the ts driver ceases to receive interrupts as soon > > > as X is started. reproducible. The same happens with ts_test. > > > > Just poll the touchscreen, then... I have similar problems with > > battery hardware and touchscreen sharing ADCs on collie... but > > hopefully Motorola did not do _that_ mistake. > > oh yes, the ADC is multiplexed with dozens (well, actually 14) inputs. > But you can actually very carefully prorgram which ones to read into > what register, and have you notified once completed. > > Oh, and to make it even better: The ADC is used by two processors, by > the Application Processor (that runs linux) and the Baseband Processor > ;) > > I've now fixed that interrupt problem, but I have some other issues in > the state machine that is required for alternating pressure/xy reads. > > Confident that those things can be fixed, though.
Okay, looks like collie is clean&simple hardware compared to *that*. Asymetric MultiProcessing cellphone...
Is there any work going on on higher levels of stack? gomunicator for user interface... Something for multiplexing AT commands? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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