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Altera_Forum's avatar
Altera_Forum
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9 years ago

SignalTap II fails to acquire events

Hello, I'm using SignalTap II to debug and verify my Cyclone V SOC design. On the signal list there's an enumerated type VHDL FSM with 10 states. The FSM moves consecutively from one state ...
Altera_Forum's avatar
Altera_Forum
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9 years ago

No, WHEN OTHERS only works for explicitly defined states, so it would only work if you were using a binary encoding scheme and had a power of 2 number of states.

The "Safe State Machine" assignment adds the extra logic required to cover all possibilities.