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Altera_Forum's avatar
Altera_Forum
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13 years ago

Nios II software bugging

I'm working with Nios II processor and quartus 10.1sp1 on the device cyclone III, using the EPCS64 flash memory. I've some problems when I send several commands of a sudden to the Nios software, f...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I guess you write to Flash inside an interrupt routine. Bad Idea, interrupt routines should be as short as possible.

Writing to Flash should be done in main program (or in a function) and should not be interrupted.

A cache is simply a portion of RAM you allocate, and you copy sometimes to Flash. It can be seen also as a buffer memory like in hard drive, optical drive...