HWA
Bare metal programming with style
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A class _pxa
object is a pin change interrupt controller.
It is used in:
pcic0
, pcic1
pcic0
pcic0
, pcic1
, pcic2
Class _pxa
objects can trigger the following IRQs as soon as the state of one of its monitored pins changes:
pcic0
: monitored pin change event
enable
, disable
, turn
select which pins are monitored (one or several at once):
FIXME: object should be '(pcic0,(porta,0))'
The pin change IRQ flag and the enable bit can be accessed through interrupt-related instructions:
Hardware registers:
Logical registers: