Re: [libdc1394-devel] PGR FLEA 2 and absolute units

[Damien D. <da...@do...>]

Hello Andy,

On Thu, 2006-12-14 at 06:35 +0100, Andy Gotz wrote:
> Hi Damien,
> 
> just to say I now have the setting and reading of absolute units with 
> dc1394 v2 working for the Flea camera. The changes Don Murray did fixed 
> the problem partly. Secondly I had to switch on using absolute units in 
> this order :
> 
>                 dc1394_feature_set_absolute_control( 
> cameras[camera_number], feature, DC1394_ON);
>                 dc1394_feature_set_power( cameras[camera_number], 
> feature, DC1394_ON );
> 
> in order for SHUTTER and GAIN to work. Now all four features of the Flea 
> work using absolute units.

Are you positive that you cannot inverse the two commands? Also, is it
mandatory to set the power of the feature if it was already ON before
the call to dc1394_feature_set_absolute_control?

I checked the code in libdc and I could not find anything that would
require a specific order.

-- 
  _    Damien 高原 Douxchamps, PhD
 ('-   Post-doctoral investigator
 //\   Image Processing Group, NAIST
 V_/_  http://damien.douxchamps.net/