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Altera_Forum's avatar
Altera_Forum
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16 years ago

NIOS usleep simulation

Hello! I am new to NIOS, and I'm trying to simulate a NIOS2 based design using ModelSim. Everything runs as expected (accesses to Avalon slaves, printf thru Jtag-Uart, ...), except for "us...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Ahaha!

I found the answer myself, after investigating for half a day...

The function that implements the actual sleep is "alt_busy_sleep()".

This function checks wether "ALT_SIM_OPTIMIZE" is defined to decide if it skips wait cycles (simulation) or pauses for a while (real target).

Sorry for bothering you all :-)