I use cc2420 radio chip. So, I know it has a CCA pin. What i'm saying, TOSH_READ_RADIO_CCA_PIN() checks whether CCA pin is available or not. That is, I want to confirm how to run this function through its code. how do I do? 2008/6/13 Min Guo <[EMAIL PROTECTED]>:
> > Which radio do you use? On cc2420 there is a CCA pin available. CCA > indicates whether the channel is clear or with energy, and surely the > neighborhood nodes affects if they are communicating in the same > channel. > > On Fri, Jun 13, 2008 at 10:34 AM, JeongKwanhee <[EMAIL PROTECTED]> wrote: > > Hello, all members of TinyOS > > > > > > > > In general TinyOS, TOSH_READ_RADIO_CCA_PIN() is able to use some function > if > > we want to check the state of channel. > > > > But, I don't know how to calculate whether channel is clear or not. > > > > > > > > I just think that it compares to rssi and cca. > > > > But, in this case, I think it does not consider the interference of > adjacent > > nodes. > > > > For example, SINR. > > > > > > > > So, I want to check TOSH_READ_RADIO_CCA_PIN() function, and then to fix > this > > function. > > > > > > > > If you know about this, please contact to me. Thank you. > > > > > > > > _________________________________________________________ > > > > Kwanhee Jeong > > > > Tel: +82-62-970-3147 > > Cell: +82-16-387-6870 > > Fax: +82-62-970-2291 > > > > _________________________________________________________ > > > > > > > > _______________________________________________ > > Tinyos-help mailing list > > [email protected] > > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > > > >
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