Just disable the hdmi in the uEnv.txt file. On Fri, Mar 27, 2015 at 10:09 AM, Yang Lei <[email protected]> wrote:
> Hello Robert, > > I know "console=tty0" is not there because I followed the instructions on > eewiki BBB. Is it possible to set "console" to some value to disable its > output to display? Thanks! > > Best > > On Fri, Mar 27, 2015 at 12:57 PM, Robert Nelson <[email protected]> > wrote: > >> On Wed, Mar 25, 2015 at 10:53 PM, Yang Lei <[email protected]> wrote: >> > Hello everyone >> > >> > I'm new to arm Linux and Qt. What I am doing is to cross compile Qt on >> BBB >> > with EGLFS support. Now, I've successfully built Qt 5.4 source for >> Kernel >> > 3.18 and the applications works fine. However, it seems that the cmdline >> > output is interfering with the Qt app's output. When I run a Qt app on >> BBB, >> > the app basically covers whole screen, but the cursor of the cmdline is >> > still flashing thus there is one character size area of black color >> with a >> > cursor flashing on the screen. Sometimes even the whole cmdline screen >> will >> > come out for a tiny period. My understanding is that the cmdline keeps >> > refreshing part of the screen so it collides with Qt app's screen. My >> > question is: is there a way to disable cmdline's output when we execute >> Qt's >> > app? >> > >> > I searched this for solution but no results. Some say that if I add >> > "console=" to uEnv.txt will disable the console's output. However, no >> matter >> > how I modify the uEnv.txt, the cmdline still shows up on the screen. >> Some >> > say that I need to remove "console=tty0" line in uEnv.txt. However, I >> > followed the image build process on eewiki BBB website. Based on the >> > instruction, the uEnv.txt only contains one line, which is the kernel >> > version. So, there's nothing to remove. >> >> "console=tty0" is normally not there by default.. >> >> Regards, >> >> -- >> Robert Nelson >> https://rcn-ee.com/ >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/A2V5tjvXrV0/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > 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/d/optout. > -- 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/d/optout.
