[Libdlo] some libdlo and DL-165 questions

Dan dan at pod51.demon.co.uk
Mon May 10 14:09:41 PDT 2010

Hi Matt,

The GPIOs can only be used on designs that have firmware configured to 
use them. You'll have to contact sales at displaylink.com if you wish to 
build your own firmware - this would also require that you build PCBs.

The DL1x5 is only specced to operate down to 25MHz, so 320x240 is a bit 
low for that - there is no guarantee that the chip would sucessfully 
operate at a frequency as low as that.


On 10/05/2010 17:11, Matt Barclay wrote:
> Hello,
> I am considering using the DL-165 in a couple new linux based hardware
> designs and have some questions about libdlo and the kernel frame
> buffer driver:
> 1.  Can I access the GPIOs on the DL-1x5 from user space?
> 2.  What is the minimum resolution that the kernel framebuffer driver
> supports?  Can I drive 320x240?  I know, sounds strange, but I'm
> hoping one hardware design can scale from 2" LCD @ 240x320 up to 17" @
> 1600x1200
> Thanks in advance!
> Matt
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