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Re: RedBoot to display a splash screen


panayot wrote:
Hi Andrew,

thanks for the reply. How exactly does eCos achieve the output to the VGA? It should have some basic display driver doesn't it? I'm asking because I think to propose another solution to the client in which he can alter the Tux logo displayed by Linux into his own splash screen. It is not very hard. Trying to add splash screen to Redboot would be a huge work (do you agree?) and this screen would be quickly replaced after a second or two by the Linux logo during the boot.

This very much depends on what your target hardware is (you didn't say, so we can only give general answers). Try looking at the ARM9/AAED2000 platform - it has a bit-mapped display that is used not only to display some graphics, but also a text (CRT) screen for use during RedBoot. Also the iPAQ is another example...

On Mon, Jul 28, 2008 at 06:49:52PM +0300, panayot wrote:
Hi everyone,

we have a project from a customer to build a Linux BSP for a specific
board which will use RedBoot as a bootloader. One of the requirements is
to have RedBoot display an initial splash screen after power up. I'm not
sure that Redboot is capable of interacting with our display and present
anything there (because it doesn't have any display drivers). Can anyone
tell - is it possible to have Redboot display splash screen or whatever?
You need to add support for this.

On PC motherboard style systems eCos knows how to output to a VGA text
screen. So ASCII art would be pretty easy to do. For other
architectures it will be more work.

Andrew





--
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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