i would like to know the polarity for Vsync and Hsync when i have a VGA incoming signal .
The aim is to detect if the video mode is a Reduce Blanking mode or not.
is there any register who detect that.
Yes, the SSPD does this. Section 10.8.1 of the Hardware Guide describes it.
In the Software User Guide it is mentionned for the register CP,0xB5
0 - The HSync CSync input to sync channel 1 SSPD has negative polarity
1 - The HSync CSync input to sync channel 1 SSPD has positive polarity
and when you look at the AVES2 program result you have the invert result.
what is good and what is wrong ?
The XML used by AVES is generated directly from the register map, so it's probably correct but I'll verify.
I'm told it's the software guide that is correct. We'll have to get the XML fixed.
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