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The AE/AWB Engine data error on DM368 IPNC

pavel4378
Intellectual 575 points
Hi,all!
I want to use DM368 IPNC to interface a CCD sensor+AFE in a capture camera application.
The camera worked in the continuas video mode mostly.If there is a capture command,it will transfer to capture resolution and then capture one image and then go back to continuas video mode.
Unfortunately,I find that after worked some hours,the AE is just like stop working.
so I put some effort to follow the question and find that if the issue happens,in the end of GETTING_RGB_BLOCK_VALUE function, the AEWB Avg Color datas are keep same,however I changed the external brightness and circumstance.
So the reason is after some time of resolution transfer, the  AE/AWB Engine data is locked by something.
This is a very big problem for my application,and I don't konw how to recover from this issue after it happens.
I find a same thread in e2d from another engineer,but it is not answered:
so Is there anyone can come out to states what is the reason of this issue and how to fix or turn around it?
Thank you very much!