Tim Radvan f842a40df4 rp2/rp2_pio: Add fifo_join support for PIO. ... The PIO state machines on the RP2040 have 4 word deep TX and RX FIFOs. If you only need one direction, you can "merge" them into either a single 8 word deep TX or RX FIFO. We simply add constants to the PIO object, and set the appropriate bits in `shiftctrl`. Resolves #6854. Signed-off-by: Tim Radvan <tim@tjvr.org>		2021-04-17 00:45:38 +10:00
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_boot.py	rp2: Add new port to Raspberry Pi RP2 microcontroller.	2021-01-30 00:42:29 +11:00
rp2.py	rp2/rp2_pio: Add fifo_join support for PIO.	2021-04-17 00:45:38 +10:00