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TU Dresden, 4/29/2008 Slide 48
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Interrupt Interrupt- and Thread Types
HWI priorities set by hardware
ÎOne ISR per interrupt
14 SWI priority levels ÎMultiple
SWIs at each level
15 TSK priority levels ÎMultiple
TSKs at each level
Multiple IDL functions
ÎContinuous loop
ÎHWI triggered by hardware interrupt
ÎIDL runs as the background thread