[Elphel-support] stereo camera: resizing and combined frames mode problems

[Philip Haynes]

Thanks Oleg,

RE: Stereo Mode
We use both modes, but the key mechanism is alternating mode.

We will have a look at the fixes this morning.

Many thanks,
Philip
On 7/12/10 8:33 AM, "Oleg K Dzhimiev" <oleg at elphel.com> wrote:

> Dear Philip,
> 
>> 1. Image Resizing: When setting the image size to a higher frame rate (e.g.
>> 1600x1200) on setting the parameter the image goes scramble (see below).
> 
> The cameras were flashed with the latest firmware 8.0.9.1, but somehow it is
> missing the correction of the bug with frame resizing for the 10359 MUX board.
> My fault.
> 
> The quick fix would be telnet/ssh to the camera and type a command:
> fpcf -i2cw16 80a 640
> 0x80a - register address where the regenerated line length is stored.
> 0x640 = 1600 - line length
> 
> But I would advise you to build the firmware on your PC and reflash camera.
> note1: after it is built in the NFS folder you'll have the image in
> /nfs/images/8.0.9.1 <http://8.0.9.1> , check the build log if everything's ok.
> note2: go to http://cam-ip/ -> System Preferences -> Firmware and reflash
> camera from there - write me if you'll be having any problems with it.
> 
>> 2. Setting stereo mode ­ no effect. On the first camera we set stereo mode
>> by going to http://stereo0/359/10356_controls.html and setting parameters
>> there.  We also directly set up stereo by execution of a php command also.
>> On the new camera this does not work. Equally we go to the new 359 setup
>> under system preferences and this fails to work also.
> 
> We updated the firmware for the MUX board not long ago - some logic changed.
> 
> "stereo mode" - do you mean the combined mode (when you see images from 2
> sensors at the same time) or alternating mode?
> 
> How to set the stereo mode:
> 1) (for the firmware you've got at the moment) Fix images resizing and set the
> desired frame size.
> 2) If the camera boot in a single sensor mode: go to http://cam-ip/ ->
> Parameter Editor -> check "multisensor" and follow the "view/edit current"
> link
> set TRIG to 0x4 -> apply
> 
> 3) Go to the camera GUI (see the screenshot attached)
> There's marked (M 1 2)
> M - stands for mutisensor or combined mode (can be enabled only when TRIG=0x4)
> 1 - channel 1
> 2 - channel 2
> 
> 4) After the M is set I noticed unfortunately that the horizontal frame size
> is set to the full size 2592 -> set it back to 1600 (going to check it for the
> correct firmware).
> 
> Best regards,
> Oleg Dzhimiev
> 

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