From: Jean Tourrilhes <jt@bo...> - 2002-09-20 20:16:17
Thomas P. Abraham wrote :
> The IrDA physical layer for fast IrDA ( 4 Mbps ) is supposed to send a Serial Infrared
> Interaction Pulse ( SIP ) for co-existence with slower IrDA protocols. Which layer of the
> IrDA protocol stack is responsible for initiating the transmission of SIP. Is it the
> physical layer itself or the layer's above the physical layer.
> Thanks for all your suggestions.
I believe it's done in the Phy, that's the only logical place
to do it, especially that the hardware interface is at the LAP level.