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Altera_Forum's avatar
Altera_Forum
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13 years ago

Interrupt problem from pio

I am using the Cyclone IV GX Transceiver Starter Board and Quartus 12.1 tools. Using the "Board Test System" example, I built and loaded the sof and built and run the Neos "Count Binary" example. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Discovered the problem!!

Buttons are an active high. Edge capture was set to rising. Changed to falling.

Also, the Count binary template reset the edge capture register to 0. Changed to 1.

It works.