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Altera_Forum
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16 years ago

The problem of multiprocessor of FPGA

Guys, we've been just trying to deal with a problem of multiprocessor of FPGA. The problem is, the project could only work if we use NIOS II/e. If we use some other types of processors, it does not w...
Altera_Forum's avatar
Altera_Forum
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16 years ago

You should use a hardware mutex (setup in SOPC Builder) to provide mutually exclusive access to the LED. Then each Nios II processor must use the mutex API to gain access to the LED resource before attempting to modify it.