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Altera_Forum
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9 years ago

Can't resolve multiple constant drivers

I have a process type StateType is (ST_IDLE, ST_WAIT_DONE, ST_START_RX_DATA, ST_RX_DATA0, ST_RX_DATA, ST_RX_REG_COM, ST_RX_REG_ADDR, ST_RX_REG_DATA, ST_TX_REG_COM, ST_TX_REG_ADDR, ST_TX_R...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

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I see. Thank you. I've missed it. I realy need to control the State from another proccess - what should I do?

I also have RAM in my project and I need to read/wrte to it fom several processes - I realize I can't do it either.

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1) Send a signal from the other process to the state machine process.

2) Build a memory arbitrator to decide who can access the ram at any given point.