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Re: Framebuffer update on synthetic target
- From: Martin Hansen <farhansen at gmail dot com>
- To: ecos-discuss at ecos dot sourceware dot org
- Date: Tue, 13 Jan 2009 14:30:24 +0100
- Subject: Re: [ECOS] Framebuffer update on synthetic target
- References: <f6ee2bef0812160410r2ee52751r4ad0c93a3bfbc1fd@mail.gmail.com> <pny6yf1888.fsf@delenn.bartv.net>
> This is almost certainly because you are not calling cyg_fb_sync() or
> CYG_FB_SYNCH(). The synthetic target framebuffer is a double buffered
> display so the target-side data does not get sent to the actual
> display until you synch.
Was sure i read somewhere that the synthetic framebuffer detected
changes and updated the display, but reading the chapter about doube
buffers, and adding _sync solved the problem.
THNX
--
Martin
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