[riot-notifications] [RIOT-OS/RIOT] ieee802154/hal: adapt frame filter and source address matching changes (#15468)

José Alamos notifications at github.com
Mon Nov 23 19:56:06 CET 2020

> Why would RX be on if we are not listening?
How does this state differ from TRX OFF?

The TRX_OFF state turns off the PLL. There's an associated turnaround time.
The "disable SFD/reject frames" procedure simply disables passing stuff to the framebuffer and indicating a frame.
This can be used for CCA or for moments when the transceiver must be disabled but the turnaround time might be an issue (e.g a MAC layer can disable SFD detection right before switching to TRX_OFF, without worrying about received frames)

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