nes-proj/TODO

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- fix license for printf.c (take from newlib instead of glibc)
- fix license for start.S (find a BSD version)
- openocd flashing
use run_algorithm to hook ROM NVM functions
see flash/stm32x.c
- add timestamp to received packets
- add a way to set modes: tx_only, rx_only, txrx. (so you can be lazy
and have blocks of code that don't need to handle rx packets)
- beacon sync
- CCA and ED.
- auto-acking and ack managment
keep a set of bit fields, one bit per sequence number (DSN), so 32 bytes
total.
Set them all to 1 initially. When a DSN is sent, clear the bit. Set
the bit when the ack is received.
Do anything special with sent but unacked packets? Maybe, so you can
retransmit them.
Dosen't look like contiki ever uses 802.15.4 acking: grep ACKFRAME
not much point to implement it here unless you also plan to use in
in contiki (pretty substantial change to core Contiki).
also you ack the data after checking it's for you. so autoack relies
on setting up the hardware addressing.