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Old 01-13-2021, 09:05 PM   #1
NiMa
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Posts: 205
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Join Date: Jun 2020
Location: Somewhere in the Universe
Device: Kobo Libra H2O, Kobo Glo HD
Emulating Nickel + touch input

Hi,
I've been working hard these last few days to try to get the Kobo firmware working in a QEMU-system-arm virtual machine (i.e. emulating a Kobo in a x86 PC)

I've successfully (and surprisingly) been able to build a cross-compiled Linux kernel, boot the stock filesystem and firmware of a Glo HD (with a disk image formatted in 3 partitions (rootfs, recoveryfs and onboard), and I gasped when I saw the Nickel setup welcome screen with language selection on a QEMU window. This was quite unexpected and of course it has cleared off many of my concerns in emulating/faking/redirecting a framebuffer to output via VNC or something like that.
I've also successfully got to a BusyBox shell where I can type commands and stuff.

But now that I've got into Nickel, I can't use it at all. Why? Touch input. (of course)
Sure it was not going to be easy... Do someone know how to simulate/emulate touch events that Nickel can understand?

I joined two screenshots of my QEMU window, if that can help you. One shows it in a console output mode, when it uses all the 1024x768 res. and the other shows Nickel covering about half of the screen.

Any help would be much appreciated.
Thanks!
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