Jeff Epler
7fd4567893
bitops: rename from _bit_transpose, describe the algorithm
2021-02-18 15:41:23 -06:00
Jeff Epler
9cf7d73c6c
core: add bit_transpose function
...
.. this version can only handle exactly 8 bits "across". The restriction
may be relaxed in a future revision.
2021-02-18 11:32:47 -06:00
Scott Shawcroft
191b143e7b
Add PWM based audio playback
...
See
https://learn.adafruit.com/circuitpython-essentials/circuitpython-audio-out
to get started.
Fixes #4037
2021-02-09 15:38:33 -08:00
Scott Shawcroft
22dc7d5359
Update to the very latest SDK w/GP15 restore
...
Also adds unique id support
Fixes #4039 and hopefully #4107
2021-02-05 18:44:06 -08:00
microDev
ec03267035
rtc implementation for rp2040
2021-02-02 00:00:00 +05:30
microDev
a54b57ea40
watchdog implementation for rp2040
2021-01-28 15:15:15 +05:30
Dan Halbert
e8e8c593ac
move longint choice to mpconfigport.mk
2021-01-21 22:50:15 -05:00
Scott Shawcroft
733094aead
Add initial RP2040 support
...
The RP2040 is new microcontroller from Raspberry Pi that features
two Cortex M0s and eight PIO state machines that are good for
crunching lots of data. It has 264k RAM and a built in UF2
bootloader too.
Datasheet: https://pico.raspberrypi.org/files/rp2040_datasheet.pdf
2021-01-20 19:16:56 -08:00
