Forum Discussion

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

quartus doesn't show connection in state machine

Hi there, I have problem with my project, excatly with state machine. Quartus compiles code atached below with no errors, but in state machine viewer i can see only states without connections b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

One of your states (state P2 to be precise) doesn't have an assignment for nextState, and the compiler infers latches for all states.

You should always check for 'inferred latches' in the message panel and repair the cause. I don't know of any valid use for 'latches' in user code, although some experts may differ.