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Altera_Forum's avatar
Altera_Forum
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15 years ago

push_button irq handler question

Hi, I use NEEK CycloneIII (CP3C25). App is quite simple it turns on the led corresponding the push button pressed (see code below). I copied irq handler procedure from standard binary_counter.c ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

Thanks to everybody for advises. I tried to put IOWR_ALTERA_AVALON_PIO_DATA(...) in the handler, but it didn't help either.

One thing I noticed that in a debug mode when i press button once there is a number of interrups occur. Can it be because of the button bounce?