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| author | Alex Maestas <git@se30.xyz> | 2024-01-22 00:31:04 +0000 |
|---|---|---|
| committer | Alex Maestas <git@se30.xyz> | 2024-01-22 00:39:20 +0000 |
| commit | 2ae8f9863bdb01cb57696548d4b0f7f29a92b3fd (patch) | |
| tree | f16fccab4b769228ea2de98e0c03570702d18801 | |
| parent | 83a0e4e992388e6aaba9390cc1212649ae44d239 (diff) | |
| download | Sensor-Watch-2ae8f9863bdb01cb57696548d4b0f7f29a92b3fd.tar.gz Sensor-Watch-2ae8f9863bdb01cb57696548d4b0f7f29a92b3fd.tar.bz2 Sensor-Watch-2ae8f9863bdb01cb57696548d4b0f7f29a92b3fd.zip | |
annotate SysTick erratum
| -rw-r--r-- | watch-library/hardware/watch/watch_deepsleep.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/watch-library/hardware/watch/watch_deepsleep.c b/watch-library/hardware/watch/watch_deepsleep.c index 2e7edd72..efdad6dd 100644 --- a/watch-library/hardware/watch/watch_deepsleep.c +++ b/watch-library/hardware/watch/watch_deepsleep.c @@ -160,7 +160,8 @@ void watch_enter_sleep_mode(void) { // disable brownout detector interrupt, which could inadvertently wake us up. SUPC->INTENCLR.bit.BOD33DET = 1; - // work around a silicon erratum by disabling the SysTick interrupt, which is + // per Microchip datasheet clarification DS80000782, + // work around silicon erratum 1.8.4 by disabling the SysTick interrupt, which is // enabled as part of driver init, before going to sleep. SysTick->CTRL = SysTick->CTRL & ~(CONF_SYSTICK_TICKINT << SysTick_CTRL_TICKINT_Pos); |