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81 Commits

Author SHA1 Message Date
Scott Shawcroft 001d7299b2
Merge pull request #4228 from ZodiusInfuser/rp2040-boards 
Added definitions for Pimoroni RP2040-based boards
 2021-02-23 10:00:19 -08:00
ZodiusInfuser 1a0bf4c33f
Added flash size for PicoSystem 2021-02-23 11:04:20 +00:00
ZodiusInfuser a9951c9b6c
Added flash size for Keybow2040 2021-02-23 11:01:40 +00:00
ZodiusInfuser ca9b7debe0
Added flash size for Tiny2040 2021-02-23 10:43:35 +00:00
Scott Shawcroft 3fdf29e773
More parens 2021-02-22 18:35:09 -08:00
Scott Shawcroft 863981a5b8
Parens 2021-02-22 18:31:45 -08:00
Scott Shawcroft 0aafeac209
Board specific flash sizes for RP2040 
Stop-gap solution for #4041. Comment is there to provide info
needed in the future. (We currently run the generic "safe" settings.)
 2021-02-22 17:19:18 -08:00
ZodiusInfuser 52f2fd6d53
Removed trailing white space 2021-02-20 17:25:26 +00:00
ZodiusInfuser 417173b752
Removed trailing white space 2021-02-20 17:24:26 +00:00
ZodiusInfuser 9a4b8c5ed9
Removed trailing white space 2021-02-20 17:23:23 +00:00
ZodiusInfuser dea498a51f
Added new line 2021-02-20 17:20:28 +00:00
ZodiusInfuser 9fbeb0baea
Added new line 2021-02-20 17:20:06 +00:00
ZodiusInfuser 03577ec81c
Added new line 2021-02-20 17:19:45 +00:00
ZodiusInfuser dac81ea545
Added new line 2021-02-20 17:19:31 +00:00
ZodiusInfuser 0a00f91979
Added new line 2021-02-20 17:15:42 +00:00
ZodiusInfuser f1df07002f
Added new line 2021-02-20 17:15:20 +00:00
ZodiusInfuser 27bc5492f5
Added other files for PicoSystem 2021-02-20 13:37:08 +00:00
ZodiusInfuser e9c7af1dee
Added board.c for PicoSystem 2021-02-20 13:36:46 +00:00
ZodiusInfuser fb7cce6503
Added other files for Keybow2040 2021-02-20 13:35:27 +00:00
ZodiusInfuser 7ac20bfb8b
Added board.c for Keybow2040 2021-02-20 13:35:06 +00:00
ZodiusInfuser 66dd74cd12
Added other files for Tiny2040 2021-02-20 13:33:54 +00:00
ZodiusInfuser ad8916499d
Added board.c for Tiny2040 2021-02-20 13:32:54 +00:00
Dan Halbert 67406488d1 merge from upstream; re-alphabetize 2021-02-19 14:22:50 -05:00
ZodiusInfuser ee5a48fece
Delete pimoroni_tiny2040 2021-02-19 18:30:29 +00:00
ZodiusInfuser db102ab1ad
Create pimoroni_tiny2040 2021-02-19 18:29:57 +00:00
Jeff Epler 1cd4e4552e
Merge pull request #4219 from jepler/bit_transpose 
Add Bit transpose function to support piopixl8
 2021-02-18 20:29:05 -06:00
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
Jeff Epler ab5eb86118 raspberrypi: implement os.urandom 
Since the datasheet cast some doubt on the strength of the "rosc_hw->randombit",
I use the SHA256 hash function to create a high quality random seed
from random values of uncertain entropy, as well as to generate a sequence
of random values from that seed using SHA256 as a cryptographically-secure
random number generator.

In practice, it produces over 100kB/s of random data which does not
have any gross problems according to _PractRand_.
 2021-02-17 17:49:25 -06:00
Dan Halbert 0b8f1b9a90 wip: usb_cdc.serials 2021-02-15 20:06:18 -05:00
Dan Halbert 93d788543c Merge remote-tracking branch 'adafruit/main' into secondary-cdc 2021-02-15 20:03:53 -05:00
Dan Halbert 0ec99b37e0 handle 100% duty cycle; improve actual_frequency calc 2021-02-13 13:16:49 -05:00
Dan Halbert d54b5861a3 wip 2021-02-12 19:01:14 -05:00
Dan Halbert 3e4328140c fix off-by-one PWM top issue 2021-02-12 15:53:31 -05:00
Dan Halbert 08f30fedf5
Merge pull request #4188 from ladyada/main 
QT Py with RP2040
 2021-02-11 22:19:56 -05:00
lady ada 6c914b8722 QT Py with RP2040 2021-02-11 19:21:42 -05:00
Dan Halbert f0564b4986 merge from upstream; complicated webusb merge 2021-02-11 18:50:02 -05:00
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 b19c700d4a
Merge pull request #4165 from DavePutz/issue_4143 
Issue 4143 - Fixed marking a PWM slice incorrectly as variable frequency
 2021-02-09 14:30:39 -08:00
root 9a28f0bf45 Fix check for variable PWM frequency 2021-02-09 15:22:59 -06:00
Dan Halbert 3c99b09993
Merge pull request #4160 from gamblor21/rp2040_neopixel_pin_fix 
RP2040 Set the neopixel pin as output after PIO use
 2021-02-08 17:57:30 -05:00
Dan Halbert b0ed258302
Merge pull request #4155 from jepler/rpi-pio-background 
rp2pio: Transfer up to 32 bytes before checking background tasks
 2021-02-08 16:34:16 -05:00
gamblor21 386b49c3e1 Set the pin as output after PIO use 2021-02-08 15:13:37 -06:00
Jeff Epler 5423e4966c rp2pio: Transfer up to 32 bytes before checking background tasks 
@Jerryneedell noticed that this problem affected strips short enough
to not use the DMA peripheral, thanks for the hot tip!

Instead of checking for background tasks after every byte transfer,
try up to 32 transfers before attending to background tasks.

This fixes the problem I was seeing on my 5-pixel circuit.

Closes #4135.
 2021-02-08 08:35:07 -06:00
Jason Nichols ae262cde55 Fix maximum PIO instructions 2021-02-06 10:54:25 -05:00
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
Scott Shawcroft c6a7b00030
Merge pull request #4137 from ferret-guy/smps-mode-pin-rpi-pico 
Add SMPS mode pin to Raspi Pico pins.c
 2021-02-05 12:12:55 -08:00
Scott Shawcroft e7438c481e
Merge pull request #4125 from xorbit/main 
Add A3 pin to Raspberry Pi Pico
 2021-02-05 12:08:35 -08:00
Mark Omo 1292c35d59
Add SMPS mode pin to Raspi Pico pins.c 
Add SMPS mode pin to Raspi Pico pins.c; see section "4.3. Using the ADC" of the Pico datasheet for discussion. 

Driving this pin high forces the onboard regulator into a lower noise PWM mode.
 2021-02-05 11:09:40 -07:00
Patrick Van Oosterwijck a158dde628 Add alternate name `VOLTAGE_MONITOR` for `A3` 2021-02-05 10:55:03 -07:00