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--- Lukasz Stelmach <stlman@poczta.fm> a écrit : > moreau francis napisaÅ(a): > > > well I already looked at framebuffers and choose to not use them because > > t6963c controller does not have a frame buffer memory that can be accessed > > by using mmap. > [...] > > am I wrong in my choice ? > > I think the "buffer" could be shadowed in kernel and updated periodically. > Ok I can try using frame buffer, but I'm afraid to use such code for such small graphic device. Maybe for the start I can forget use "mmap" and use only "write" method ? Do you know if I can find an example in kernel code for such implementation ? > > Yes and no. No because framebuffer is about drawing graphics not text > and yest for there is fbcon console driver on top of the framebuffer. At > least AFAIK. > does that mean once there is fbcon console driver set up on top of framebuffer I can't use anymore /dev/fb for drawing graphics ? > BTW, have you seen these > http://www.skippari.net/lcd/t6963c_prog.html > http://wwwthep.physik.uni-mainz.de/~frink/lcd-t6963c-0.1/README.html > yeah, but there's only one driver that uses text console implementation and it can't be accessed for drawing graphics. thanks Francis _____________________________________________________________________________ Découvrez le nouveau Yahoo! Mail : 1 Go d'espace de stockage pour vos mails, photos et vidéos ! Créez votre Yahoo! Mail sur http://fr.mail.yahoo.com - 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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