PSOC 3 Quadrature Decoder Component Not Counting

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ToVa_285016
Level 5
Level 5
100 replies posted 50 replies posted 50 questions asked

 Hi,

   

I have used the Quadrature Decoder (TCPWM) in PSOC 4 with no problems, but I seem to be running into trouble with PSOC 3.  It is a different component, and seemingly simpler, but I cannot get it to count at all one way or the other.  Can someone please look over the attached project and point out any software errors you see?  I want to try to eliminate software before looking into less obvious hardware issues.  I have already tested that the pins are correct, the encoder is outputting constantly, etc.

   

Thank you,

   

Tom

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Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

Yes, as I thought. in the PSoC4 project the inputs are pulluped and in the other project they aren't.

   

 

   

Bob

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