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Altera_Forum
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8 years ago

No control Nested If condition ?

Hi All, I am trying to code an alarm-clock; The problems that I have right now is in setting up the alarm when SW2 is ON Currently when I run the program, it automatically enters the loop ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

You'll need to do an edge detect on key2. You do this by comparing a registered version of the key to the current state. If it changes, you have an edge. 


// inside synchronous always
key2_r <= key2
if(key2 & ~key2_r) begin
 // edge on key