I'd certainly help if I could but I'm not the guy for that. Its amazing that mksocfpga doesn't get more interest/support, I dont think people realize how powerful the idea is.
On Tue, Feb 25, 2020, 3:21 AM Michael Brown <[email protected]> wrote: > > > > I can only put up this proposal: > Generally speaking I would be nice to be able to change screen resolutions > at runtime on the de10_nano board, > instead of having to generate a custom quartus hdmi bitfile and dtb for > each resolution(screen) needed. > > I once found a different de10 nano project on github that seemed to have > this exact functionality: > https://github.com/MiSTer-devel > > However at the time I investigated this project I was unable to nail down > the exact commits/additions needed to port > the change screen resolution functionality from the mister quartus project > and the linux framebuffer driver. --> mksocfpga > > perhaps with some helping hands this functionality can be ported over from > the mister emulator. > > > On Saturday, February 22, 2020 at 9:58:21 PM UTC+1, justin White wrote: > > Any plans to add this to the build script? Playing with Quartus isn't >> something I generally love to do. >> > > If some sort of group effort can be put into porting the resolution change > mechanism from the mister project, > this will then result in an updated de10 mksocfpga project (with screen > resolution change bitfiles) and also > an updated framebuffer driver (which goes into the kernel part of the > buildscript) > > > >> >> On Tuesday, February 18, 2020 at 5:44:32 AM UTC-5, Michael Brown wrote: >> >> >> >> On Tue, 18 Feb 2020, 11.39 Michael Brown <[email protected]> wrote: >> >> BTW the newest de10 SD images are around here: >> https://github.com/the-snowwhite/soc-image-buildscripts >> >> >> Look for binary releases >> >> Sorry for the messy mails but I'm currently in hospital attempting to get >> thru via my phone... >> >> >> >> On Tue, 18 Feb 2020, 11.26 Michael Brown <[email protected]> wrote: >> >> It's unfortunately not as simple as the frame buffer is hardwired to the >> display parameters in quartus. Resolution change requires changing the FB >> parameters in quartus... Generating a new bit file and then generating an >> altered device tree with the new display parameters. >> Michael B. >> >> On Tue, 18 Feb 2020, 01.22 justin White <[email protected]> wrote: >> >> I know I've seen some resolution numbers in the quartus files so I >> assumed this was using part of the FPGA to do a framebuffer or something >> and it was actually part of the Quartus project. I thought the BBB actually >> had a GPU unlike the nano. I'll definitely try it when I get a chance, the >> 800x480 monitor looks like trash, even being small.....hoping to pick up >> and get this going on a 1024x600 version. >> >> I believe the de10-nano image here is the one I used >> https://drive.google.com/drive/folders/1THXnrnt-v7iNownBqmdOQrJ-i8EVAsSZ >> >> >> >> On Monday, February 17, 2020 at 5:34:07 PM UTC-5, Charles Steinkuehler >> wrote: >> >> I don't currently have a DE10-Nano running, but I reviewed the code and >> it looks like you should be able to set the resolution the same as you >> would for any other embedded display (by passing some kernel >> parameters). Refer to: >> >> * The modedb documentation: >> >> https://www.kernel.org/doc/Documentation/fb/modedb.txt >> >> * My posts on setting resolutions on the BBB: >> >> >> http://blog.machinekit.io/2013/06/force-beaglebone-black-hdmi-resolution.html >> >> http://blog.machinekit.io/2013/07/custom >> <http://blog.machinekit.io/2013/07/custom-hdmi-resolution.html> >> >> ... > > -- > website: http://www.machinekit.io blog: http://blog.machinekit.io github: > https://github.com/machinekit > --- > You received this message because you are subscribed to the Google Groups > "Machinekit" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/machinekit/ed43e04a-3763-43fe-afec-729f70f66203%40googlegroups.com > <https://groups.google.com/d/msgid/machinekit/ed43e04a-3763-43fe-afec-729f70f66203%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/machinekit/CA%2BQ02MPdPOb5NTUXZp0qzoYq_uewcy3AtfyAyy0BuMoBw%3D2aSQ%40mail.gmail.com.
