djsundog/circuitpython
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85 Commits

Author SHA1 Message Date
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
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
hathach
6b0d93cea3
correct i2c max len 2018-12-28 21:14:27 +07:00
hathach
a4ee80832a
fix #1422 correct i2c max xfer len (size in bits) 2018-12-28 16:30:11 +07:00
hathach
3ee766bc01
put received bytes to fifo when error 2018-12-28 01:05:30 +07:00
hathach
d092722ae8
fix #1407 keep receiving in case of error 2018-12-28 00:40:29 +07:00
hathach
b37b2fa7e7 overwrite old data if fifo is full 2018-12-13 23:56:06 +07:00
hathach
e136222ae2 use rbuf for busio uart 2018-12-13 23:48:53 +07:00
Dan Halbert
63cd9209f1 allow KeyboardInterrupt on UART read; fix nrf UART pin claiming; rename feather 52840 UART pins 2018-12-04 15:05:39 -05:00
Dan Halbert
80db2cec99 UART changes: timeout in secs, write bytes, etc. 2018-12-03 12:04:32 -05:00
Scott Shawcroft
9d91111b1b
Move atmel-samd to tinyusb and support nRF flash. 
This started while adding USB MIDI support (and descriptor support is
in this change.) When seeing that I'd have to implement the MIDI class
logic twice, once for atmel-samd and once for nrf, I decided to refactor
the USB stack so its shared across ports. This has led to a number of
changes that remove items from the ports folder and move them into
supervisor.

Furthermore, we had external SPI flash support for nrf pending so I
factored out the connection between the usb stack and the flash API as
well. This PR also includes the QSPI support for nRF.
 2018-11-08 17:25:30 -08:00
Dan Halbert
2262efc311 PulseOut working 2018-10-16 11:05:02 -04:00
Dan Halbert
91a88cf568 Allow variable freq PWMOut; use multiple channels if same freq 2018-10-09 20:52:55 -04:00
Dan Halbert
6049776b26
Merge branch 'master' into nrf52_uart_io 2018-10-03 13:31:48 -04:00
hathach
b8884ccc8b Merge branch 'master' into nrf52_uart_io 2018-10-03 23:13:56 +07:00
hathach
08cbb03bdd implement common_hal_busio_uart_clear_rx_buffer 2018-10-03 11:39:01 +07:00
hathach
f543c8415d "busio.UART not yet implemented -> not available 2018-10-03 11:30:31 +07:00
Dan Halbert
21d331c8cc round SPI freq down; check max freq 2018-10-02 21:06:40 -04:00
Dan Halbert
aa95526428 nrf: remove error check for SPI baudrate too high; round to nearest baudrate 2018-10-01 18:54:13 -04:00
Dan Halbert
48a3aafdd2 reset I2C and SPI on ctrl-D 2018-09-25 15:12:10 -04:00
hathach
76d6fb03f0 more clean up 2018-09-26 02:12:06 +07:00
hathach
eba80f7a99 update translate string 2018-09-26 02:10:44 +07:00
hathach
52328c88cd remove space 2018-09-26 02:06:32 +07:00
hathach
74cc55b107 change error type to runtime 2018-09-25 17:31:53 +07:00
hathach
dec5c50c45 clean up 2018-09-25 16:22:14 +07:00