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Altera_Forum's avatar
Altera_Forum
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15 years ago

genral software problem

im writing a simple clock program for a niosII standard processor and i encountered this bug in my main loop i have an infinite loop which updates all the seven segments(DE2 board) like w...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You could try and declare the variables that your isr update as volatile. It will prevent the compiler from trying to optimise your code and will force a variable read at each IOWR call.

I'm not sure this is the cause of your problem but you can always try.