[Tinyos-help] how to determine SACK packet

2008-05-15 Thread Paolo
Hello, How i can determine if a packet in RX fifo is a SACK packet ? If the cc2420_header_t-length is 5 bytes (2B FCF + 1B DSN + 2B FCS) i can say that is a SACK packet ? Thanks. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu

Re: [Tinyos-help] how to determine SACK packet

2008-05-15 Thread David Moss
probably have yourself a real acknowledgment frame. Refer to the CC2420 datasheet for more details. -David _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Paolo Sent: Thursday, May 15, 2008 1:32 AM To: tinyos-help@millennium.berkeley.edu Subject: [Tinyos-help] how

Re: [Tinyos-help] how to determine SACK packet

2008-05-15 Thread Paolo
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Paolo Sent: Thursday, May 15, 2008 1:32 AM To: tinyos-help@millennium.berkeley.edu Subject: [Tinyos-help] how to determine SACK packet Hello, How i can determine if a packet in RX fifo is a SACK packet ? If the cc2420_header_t

Re: [Tinyos-help] how to determine SACK packet

2008-05-15 Thread David Moss
:54 AM To: David Moss Cc: tinyos-help@millennium.berkeley.edu Subject: Re: [Tinyos-help] how to determine SACK packet Thanks David another question: the SACK_HEADER_LENGTH variables is set to 7 byte, Why ? FCF (2B) + DSN(1B) + FCS (2B) = 5B ??? David Moss wrote: The FCF word contains