Forum Discussion
EGrub
Occasional Contributor
7 years agoBUG - Fir filter coefficient read mode
Hi all! For writing/reading coefficients I made a wrapper to compute the proper reset before accessing the Avalon slave. Writing seems to work fine but reading has issues Considering the FIR II IP...
EGrub
Occasional Contributor
7 years agoAdditionally both Quartus 15.1 and 17.1 the Fir filter still has the issue with the low active reset declaration in the _hw.tcl file but in fact it is active high! You can find a description here.
And here is the capture with Quartus 15.1:
First read the data output is 0x16 but valid never is set to high and at the end the end (yellow circle), the output changes but the valid not set to high.