Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Trigger and counter.

Hi, I'm trying to implement a counter that counts down when it recieves a trigger pulse from the hardware (in this case, it's a short burst of AC, in the order of a few hundred µs), which keeps...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

A wild guess here.

Compile with no optimization at all.

The optimizer may be shrinking all the code to almost nothing if the variables are not declared volatile.