Sean Cross
83680c41db
nrf: rtc: persist rtc offset across reboots
...
Store the RTC value in the .uninitialized section, but make sure to
flank it with some known values. That way we can determine if the RTC
value has been initialized, or if it's random uninitialized garbage.
As part of this, add a `common_hal_rtc_init()` routine to determine if
the value is correct, or reset it to 0 if it is not valid.
Signed-off-by: Sean Cross <sean@xobs.io>
2020-05-18 11:52:27 +08:00
Scott Shawcroft
48b5f2a384
Initial work on SAMD
2020-03-13 11:16:41 -07:00
Scott Shawcroft
418333979a
Fix autoreload, neopixel, monotonic_ns and sleep w/o SD
2020-03-13 11:12:31 -07:00
Scott Shawcroft
6f60afe8c5
First try at lowering the power consumption
2020-03-13 11:12:30 -07:00
hathach
894cad2e17
upgrade nrfx API to v2
2019-12-17 21:39:52 +07:00
Nick Moore
781d301bb6
Remove unnecessary MP_WEAK declarations
2019-04-02 13:33:22 +11:00
Nick Moore
94bda3bde1
Change nRF RTC implementation to use RTC2 #1046
...
(to avoid interference with Bluetooth Softdevice. See
https://github.com/adafruit/circuitpython/pull/1534#issuecomment-478776240
with thanks to @bboser for pointing it out)
2019-04-02 13:28:22 +11:00
Nick Moore
6afe23d0b0
There isn't really a good way to calibrate this RTC adafruit/circuitpython#1046
2019-04-02 13:28:03 +11:00
Nick Moore
6206fa9a82
adafruit/circuitpython#1046 handle overflows in the RTC counter
2019-04-02 13:27:45 +11:00
Nick Moore
f846fa109e
enable NRFX RTC adafruit/circuitpython#1046
2019-04-02 13:27:28 +11:00
Nick Moore
f88f9fd748
more fake RTC code ... adafruit/circuitpython#1046
...
(works if MP_WEAK common_hal_rtc_get_time is removed)
2019-04-02 13:27:13 +11:00
Nick Moore
4a5c52fbd6
starting on #1046 rtc for nRF
2019-04-02 13:27:00 +11:00
Dan Halbert
0653bca323
Revert "Circuitpython nickzoic 1046 nrf rtc"
2019-03-29 16:41:29 -04:00
Nick Moore
71622a4515
There isn't really a good way to calibrate this RTC adafruit/circuitpython#1046
2019-03-28 09:50:09 +11:00
Nick Moore
28254def0b
adafruit/circuitpython#1046 handle overflows in the RTC counter
2019-03-28 09:50:09 +11:00
Nick Moore
b09d2c3c62
enable NRFX RTC adafruit/circuitpython#1046
2019-03-28 09:50:09 +11:00
Nick Moore
69cf33e6a1
more fake RTC code ... adafruit/circuitpython#1046
...
(works if MP_WEAK common_hal_rtc_get_time is removed)
2019-03-28 09:50:09 +11:00
Nick Moore
77f307c642
starting on #1046 rtc for nRF
2019-03-28 09:50:09 +11:00
