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108 Commits

Author SHA1 Message Date
Jeff Epler
2b64318a57 Update all implementations of common_hal_busio_spi_read to honor write_value 
(nrf, rp2040, and cxd56)

.. as well as a misleading comment that said that read always output
zeros.

Closes: #3447
 2021-08-18 10:20:40 -05:00
Scott Shawcroft
de796e2304
Move OneWire to onewireio from busio 
This will allow finer grained inclusion in 8.0.0

Fixes #5135
 2021-08-12 10:47:14 -07:00
Scott Shawcroft
0fadf028ef
Create first BLE-only board, Micro:Bit v2 
This fixes build issues with USB off, tweaks the README to allow
for BLE-only boards and adds the Micro:Bit v2 definition.

Fixes #4546
 2021-07-14 09:55:51 -07:00
Scott Shawcroft
3940878695
Shrink builds and handle 0-length writes 2021-07-01 12:49:11 -07:00
microDev
a52eb88031
run code formatting script 2021-03-15 19:27:36 +05:30
microDev
5d7fdafcde
implement suggested changes 
- add internal buffering
- rtc initialization fix
 2021-02-25 00:48:36 +05:30
BiffoBear
2656c84b01 Initial commit. Edited error messages in .c files 2021-02-03 05:49:40 +07:00
Bernhard Boser
16d54586c1 remove long read error message 2021-01-27 09:20:45 -08:00
Bernhard Boser
07a9593abc add flow control info to busio_uart_obj_t 2021-01-17 19:33:32 -08:00
Bernhard Boser
c7dc5f2507 support RTS/CTS hardware flow control 2021-01-07 14:13:19 -08:00
root
2690faec43 Moved checks for invalid pin to common-hal/microcontroller/Pin.c 2020-09-05 11:42:06 -05:00
root
ed6cc64c49 Corrected issue with BLE not working on nrf52840 2020-09-04 16:59:41 -05:00
Dan Halbert
94ecf33a5c
Merge pull request #3281 from dhalbert/fix-spim3-buffer-location 
SPIM3 buffer must be in first 64kB of RAM
 2020-08-17 19:28:03 -04:00
Dan Halbert
cf0f3d70b5 SPIM3 buffer must be in first 64kB of RAM 2020-08-15 10:31:56 -04:00
Jeff Epler
760a171903 nrf: Make port build with -Werror=undef 
.. build-tested on particle_xenon
 2020-08-12 07:32:18 -05:00
Scott Shawcroft
c5fa9730a8
Compiles! 2020-06-24 12:47:59 -07:00
Scott Shawcroft
a26102607e
Add UART support 2020-06-24 12:47:58 -07:00
Mark Olsson
007c92ee6a Enable showing the console on a debug uart 2020-05-19 02:02:52 +02:00
Dan Halbert
bae7a5e433 make translate again 2020-05-04 17:26:59 -04:00
Dan Halbert
fbc8719fad ringbuf tested 2020-04-21 22:40:12 -04:00
Dan Halbert
38ec3bc574 further ringbuf cleanup 2020-04-21 17:38:20 -04:00
Scott Shawcroft
8fe512c7e9
Merge remote-tracking branch 'adafruit/master' into lower_power 2020-03-31 15:13:58 -07:00
William Moser
c961ed9025 Added 31250 and 56000 to baudrate_map in UART.c, to parallel definitions in nrfx/mdk/nrf*_bitfields.h files 2020-03-24 13:25:02 -04:00
Scott Shawcroft
6f60afe8c5
First try at lowering the power consumption 2020-03-13 11:12:30 -07:00
Dan Halbert
b6206406de new pin validation routines; don't use mp_const_none if NULL will do 2020-02-28 23:43:04 -05:00
Dan Halbert
634d246910 relicense nrf SPI.c to MIT 2020-02-20 16:00:21 -05:00
Dave Marples
24405cabaf Edits as a result of review 2020-02-19 00:07:01 +00:00
Dave Marples
490a808bf6 Addition of stubs for rs485/CTS/RTS handling on non-implemented chips 2020-02-18 23:16:40 +00:00
Dan Halbert
e00b3269fe use properly-sized SPI transactions 2020-02-12 15:04:19 -05:00
Dan Halbert
2e029d55fc nrf: add SPIM3 support 2020-02-11 19:22:14 -05:00
Dan Halbert
b6da2fa173 nrf: fix i2c frequency setting 2020-02-05 11:25:31 -05:00
Dan Halbert
be4e681d07 fix UICR check; do not use NULL for no MISO 2020-01-31 18:57:41 -05:00
Dan Halbert
189f2d5f07 Make requiring I2C pullups be optional 2020-01-09 17:31:50 -05:00
Scott Shawcroft
6afb8dadbc
Change SPI and I2C in the same way. 2020-01-03 15:14:37 -08:00
Scott Shawcroft
cfd71d9023
Fix nRF UART reset 
disable only turns off ENABLE but doesn't set the init tracking that
nrfx uses. uninit hangs if ENABLE is off and is called because it
waits forever for TX to stop.
 2019-12-27 20:18:07 -08:00
hathach
894cad2e17 upgrade nrfx API to v2 2019-12-17 21:39:52 +07:00
Jeff Epler
95d9c49e43 Merge remote-tracking branch 'origin/master' into tick-refactor 2019-11-29 11:27:09 -06:00
Dan Halbert
b32a9192df make UART.write be blocking on SAMD; add timeout property 2019-11-27 13:05:29 -05:00
Jeff Epler
7f744a2369 Supervisor: move most of systick to the supervisor 
This code is shared by most parts, except where not all the #ifdefs
inside the tick function were present in all ports.  This mostly would
have broken gamepad tick support on non-samd ports.

The "ms32" and "ms64" variants of the tick functions are introduced
because there is no 64-bit atomic read.  Disabling interrupts avoids
a low probability bug where milliseconds could be off by ~49.5 days
once every ~49.5 days (2^32 ms).

Avoiding disabling interrupts when only the low 32 bits are needed is a minor
optimization.

Testing performed: on metro m4 express, USB still works and
time.monotonic_ns() still counts up
 2019-11-18 11:01:23 -06:00
Dan Halbert
85a648224f Check for no pullups on I2C on nrf; give arduino nano 33 ble two I2C devices 2019-11-02 22:47:03 -04:00
Jeff Epler
11dd3a260e nrf: Use RUN_BACKGROUND_TASKS 2019-08-11 08:53:02 -05:00
Scott Shawcroft
6797ec6ed3
Add support for grayscale displays that are < 8 bit depth. 
This also improves Palette so it stores the original RGB888 colors.

Lastly, it adds I2CDisplay as a display bus to talk over I2C. Particularly
useful for the SSD1306.

Fixes #1828. Fixes #1956
 2019-07-19 16:06:11 -07:00
Dan Halbert
6a001786a9 merge from master 2019-07-09 08:58:49 -04:00
iot49
6e5d70fa19 changed type of receiver_buffer_size to uint16_t 2019-07-03 12:02:01 -07:00
Dan Halbert
a1b5d800f3 Update copyrights; get ready for Central 2019-06-19 10:42:36 -04:00
Scott Shawcroft
049b9ca094
Remove terse TODOs 2019-04-08 14:46:45 -07:00
Radomir Dopieralski
8323721232 Stop hard-coding SPI frequency in FourWire 
Instead remember and use the frequency, polarity and phase that was
set when the bus was first created.
 2019-04-06 15:15:29 +02:00
Dan Halbert
ab4194f752 don't allocate DMA buffer as long-lived 2019-02-13 19:49:57 -05:00
Dan Halbert
e92d90ce9c Add second UARTE to busio.UART. Init uarts on startup. 2019-02-12 22:34:05 -05:00
Dan Halbert
28cfd8a513 CharacteristicBuffer: make it be a stream class; add locking 2019-01-19 19:45:35 -05:00