Since this is very time critical, I would set the port values directly. Port A2 is the red led, that's a good point to start with. See chapter 13 in the atmega1281 datasheet.
Janos On Thu, Jun 11, 2009 at 7:56 PM, 张荣雨<[email protected]> wrote: > Hi all: > > Now I am analysing the atemga1281 sleep and active time on tinyos-2.x > platform,and I find a method in a paper using Oscilloscope: an output pin > was turned on in each ISR when the processor woke up from a sleep mode,the > TOSH_run_task() function turned off the output pin before executing the AVR > sleep instructio. So I follow it to turn off the output pin in the > Scheduler.taskLoop() of tinyos2.x just before the McuSleep.sleep() > instruction. But I do not know where to turn on the output pin on tinyos2.x > platform. > > Can anyone help me? Or other ways to analysis the mcu sleep and active time? > > Thanks > > > ________________________________ > 好玩贺卡等你发，邮箱贺卡全新上线！ > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
