[Tinyos-help] Atmega1281 sleep and active time analysis

[Janos Sallai]

> I meant that if derectly set the pin in the beginning of each ISR,that would
> cause a problem : if an interrupt happened when the MCU is just active,
> and the pin would be set ,but it was really not a wake up situation.

Assuming that
- Initially, you set the pin.
- You clear the pin when the MCU goes to sleep.
- You set the pin in the beginning of each ISR.

Regarding your question: if an interrupt happened when the MCU is
active, you will observe no change on the pin. It will stay on.

Janos