The CC1000 and CC2420 radios are completely different, with no relation to each other.
Disabling CCA is easy to do in TinyOS 2.x: you just capture requestCca() event in the RadioBackoff interface, provided by CC2420CsmaC, and call back within that event to setCca(FALSE). TinyOS 1.x is no longer supported; however, you will be able to disable the CCA backoffs by searching and replacing any instance of "STXONCCA" with "STXON" in any CC2420 source code. -David _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ruoshui Liu Sent: Sunday, March 16, 2008 4:56 PM To: tinyos-help@millennium.berkeley.edu Subject: [Tinyos-help] Can anyone help me clarify the MicaZ (CC2420) radiostack? Dear all, Currently I am working on the MicaZ using CC2420 radio stack, and I am trying to completely disable the CCA function implemented by CC2420 radio stack. However, I did not find the right function to do so. Therefore, I went through the Mica High Speed Radio Stack and the Mica2 (CC1000) Radio Stack stated on the web: http://www.tinyos.net/tinyos-1.x/doc/. The question is what is the difference between the Mica2 (CC1000) Radio Stack and the Mica High Speed Radio Stack. Is the Mica2 (CC1000) Radio Stack totally different deign from the Mica High Speed Radio Stack, or interleaved design with it? They really confuse me! The other question is that where I can find the detail of MicaZ (CC2420) Radio Stack implemented with TinyOS 1.1.15. I know there is an article describing the MicaZ (CC2420) Radio Stack, but all the functions stated in that are implemented in TinyOS 2.0 which is not my case. I really need to find the right function to disable the CCA in CC2420 regardless whether the channel is busy or not by using TinyOS 1.1.15. Many thanks! Ruoshui
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