[Tinyos-help] CC2420 SACK question

2007-06-25 Thread Chieh-Jan (Mike) Liang
I am looking at CC2420ReceiveP.nc for software ACK. I see that strobing SACK to CC2420 is done after both the packet header and payload have been read. My question is when you strobe SACK, how does CC2420 know which packet to ACK for (since there might be multiple packets in the FIFO queue). Is

Re: [Tinyos-help] CC2420 SACK question

2007-06-26 Thread roberto pagliari
the FIFO RX queue should have a size for just one packet, so I think the ack is sent to the only packet belonging to the rx queue On 6/26/07, Chieh-Jan (Mike) Liang <[EMAIL PROTECTED]> wrote: I am looking at CC2420ReceiveP.nc for software ACK. I see that strobing SACK to CC2420 is done after bo

Re: [Tinyos-help] CC2420 SACK question

2007-06-27 Thread Chieh-Jan (Mike) Liang
According to the CC2420 data sheet, the RXFIFO may be divided between multiple frames, as long as the total number of bytes is 128 or less. This is why I am guess it is the last one successfully read. Thank you Mike roberto pagliari wrote: the FIFO RX queue should have a size for just one pac