I'm porting a driver for a OneWire bus from tinyos 1.x over to tinyos 2.1 and I'm having some trouble with delays introduced by atomic sections around every clr/set/makeinput/makeoutput. Making these calls atomic is costing me around 10us per call. The BusyWaitMicroC component basically does the same thing. So basically this sequence...
call GeneralIO.makeOutput(); call GeneralIO.clr(); call BusyWait.wait(5); call GeneralIO.makeInput(); call BusyWait.wait(5); ...takes 50-100us instead of 10-15us. I can fix this by removing the atomic sections, but I'm a little worried that I'm going to break something else. Is there a "proper" way to do this? I could just make an "non-atomic" version of these components and wrap them in larger atomic sections, but I would rather not if someone has solved this problem already. Thanks, Jacob
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