Re: [Tinyos-help] IRIS Timer accuracy

2015-02-06 Thread Lars Tidstam
Hi, TinyOS uses "binary milliseconds", which means that there are 1024 "milliseconds" per real second (according to TEP102 section 2.1). So if you want a Timer to fire once every second it should be configured to fire every 1024 "milliseconds". If set to fire every 1000 "milliseconds" it would fi

Re: [Tinyos-help] Detailed info about acknowledgements needed

2014-10-06 Thread Lars Tidstam
Hi, I have been looking at the CC2420 stack recently and as far as I can understand the usage of the cc2420_header_t for acks is just to make the implementation easier. Since data packets and acks have the FCF and DSN in the same place the cc2420_header_t can be used to access the fields in both k

Re: [Tinyos-help] low power listening interface lacks commands like setLocalSleepInterval?

2014-06-25 Thread Lars Tidstam
Hi! It looks like the commands in the LowPowerListening interface was renamed a few years ago. setLocalSleepInterval was renamed to setLocalWakeupInterval. 2014-06-20 11:53 GMT+02:00 Antonis Tzounis : > Hello all, > I am trying to experiment a little bit with low power communications. My > plan