[ros-users] call for testing: camera1394 in C-turtle

Patrick Beeson beeson.p at gmail.com
Wed Jun 16 15:00:27 UTC 2010


Furthermore, setting auto_shutter: 3 and shutter: 0.006 doesn't work.
Setting shutter: 257, which I expected to work after my last email, 
didn't work.  It seems no values sent to shutter are working. I do not 
know if it is making it into manual mode or not.


On 06/16/2010 09:54 AM, Patrick Beeson wrote:
> Jack,
>
> Manual control of shutter does not work right in dynamic configuration.
> For the Sony Firewire cameras that you have on Marvin, the manual slider
> in the gui goes from 0 to 1. Auto shows (for my lighting) a number of
> 0.006. However, I was noticing that no calues between 0 and 16 were
> making a difference. Running, Coriander, I see that I can go from 3 to
> 1150 on the slider which equate to a shutter speed of 0.00001 to 16.0
> seconds. So, the values you send to set the shutter are not floats in
> seconds, but integers (0-16; should be 3-1150 for my camera).
>
>
>
> On 06/15/2010 05:32 PM, Jack O'Quin wrote:
>> On Tue, Jun 15, 2010 at 5:20 PM, Patrick Beeson<beeson.p at gmail.com>
>> wrote:
>>> A few things Jack. 1) if no guid is given its defaults to the first
>>> camera, but the guid is not displayed in the dynamic_reconfigure GUI.
>>> 2) The defaults for my camera have the gain so low, that the image is
>>> black. New users may think this isn't working. I'd suggest at least
>>> setting auto_gain to 2 to ensure they see something. Also, the
>>> tutorial could use a page on using the yaml files. It took me a while
>>> to realize that the new API needs me to set auto_* to 3 in order for
>>> the sclalrs I set to have any effect.
>>>
>>> These are small things. I think you've done a remarkable job taking
>>> the original 1394 driver and making it easy to use and stable. One of
>>> these days I hope to find time to do the same with the
>>> swissranger_camera driver.
>>
>> Thanks for the report, Patrick.
>>
>> What system, cameras, etc. did you try?



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