Thx for the quick answer, it was perfect.
Micka, On Thu, Feb 20, 2014 at 3:12 PM, brian larochelle < [email protected]> wrote: > I had the same problem with a debian rootfs, when using: > sudo ts_calibrate > > I worked around it by setting a root password, then su to root, set the > environmental variables, and then running ts_calibrate as root. > I haven't gotten around to finding a proper solution, but this should be > one way to get around the problem. > > > > On Thursday, February 20, 2014 8:43:15 AM UTC-5, Mickae1 wrote: > >> Hi, >> >> can you explain me how did you manage to make the tslib work ? because >> I've done the samething : >> >> sudo apt-get install libts-bin >> >> /etc/ts.conf contains >> >> module_raw input >> module pthres pmin=1 >> module variance delta=30 >> module dejitter delta=100 >> module linear >> >> export TSLIB_CONSOLEDEVICE=none >> export TSLIB_CONFFILE=/etc/ts.conf >> export TSLIB_CALIBFILE=/etc/pointercal >> export TSLIB_TSDEVICE=/dev/input/event1 >> export TSLIB_FBDEVICE=/dev/fb0 >> #export TSLIB_PLUGINDIR=/usr/lib/ts >> export TSLIB_PLUGINDIR=/usr/lib/arm-linux-gnueabihf/ts0 >> export TSLIB_TSEVENTTYPE=INPUT >> >> debian@arm:~$ sudo ts_calibrate*ts_open: No such file or directory* >> >> >> >> >> >> >> >> >> >> >> >> >> On Wed, Feb 19, 2014 at 7:54 PM, brian larochelle >> <[email protected]>wrote: >> >>> Summary: After a successful ts_calibration and ts_test, ts_test shows >>> varying results after reboots. >>> >>> I am connecting a beaglebone black to a 16 bpp, 4 wire touchscreen/LCD. >>> The lcd is working beautifully, but I am having an issue with the >>> touchscreen. I am connecting AIN0-3 directly to the up, down, left, and >>> right pins of the touchscreen via breadboard and breakoutboard. >>> >>> I can boot up a 3.8 RCN kernel with a custom device tree overlay (and >>> also a modified 3.2 kernel), I can run ts_calibrate and ts_test and get >>> perfect results. >>> >>> The problem occurs on reboots, sometimes the results of ts_test are near >>> perfect, sometimes they are off by a small but significant amount, >>> sometimes it is way off. On a reboot when ts_test is off, if I run >>> ts_calibrate then the results of ts_test are right on the mark. >>> >>> I haven't been able to make heads or tails of this, whether to focus an >>> hardware or software. >>> >>> Looking at the touch signals with a scope there is a small amount of >>> noise that seems to increase in frequency as more is displayed on the LCD. >>> However the calibration never seems to change once the board is booted so I >>> do not believe that the noise is at the root of my issue. >>> >>> /etc/ts.conf contains >>> >>> module_raw input >>> module pthres pmin=1 >>> module variance delta=30 >>> module dejitter delta=100 >>> module linear >>> >>> I'm exporting the following before running any ts_* utils: >>> >>> export TSLIB_CONSOLEDEVICE=none >>> export TSLIB_CONFFILE=/etc/ts.conf >>> export TSLIB_CALIBFILE=/etc/pointercal >>> export TSLIB_TSDEVICE=/dev/input/event1 >>> export TSLIB_FBDEVICE=/dev/fb0 >>> #export TSLIB_PLUGINDIR=/usr/lib/ts >>> export TSLIB_PLUGINDIR=/usr/lib/arm-linux-gnueabihf/ts0 >>> export TSLIB_TSEVENTTYPE=INPUT >>> >>> >>> I have a debian rootfs and I've installed tslibs via apt-get, but I've >>> also cross compiled tslibs-1.0 and tslibs-1.1 from: >>> >>> https://github.com/kergoth/tslib >>> >>> With the same results. >>> >>> Any ideas/suggestions would be greatly appreciated. >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
