Fix stm sleep too long

tannewt · tannewt · commit 56427d9abe7d · 2020-10-13T14:02:29.000-07:00
diff --git a/ports/stm/supervisor/port.c b/ports/stm/supervisor/port.c
@@ -423,7 +423,7 @@ void port_interrupt_after_ticks(uint32_t ticks) {
         alarm.AlarmMask = RTC_ALARMMASK_ALL;
     }
 
-    alarm.AlarmTime.SubSeconds = rtc_clock_frequency -
+    alarm.AlarmTime.SubSeconds = rtc_clock_frequency - 1 -
                                  ((raw_ticks % 1024) * 32);
     alarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
     alarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_SET;

Original file line number	Diff line number	Diff line change
`@@ -423,7 +423,7 @@ void port_interrupt_after_ticks(uint32_t ticks) {`
`423`	`423`	`alarm.AlarmMask = RTC_ALARMMASK_ALL;`
`424`	`424`	`}`
`425`	`425`
`426`		`- alarm.AlarmTime.SubSeconds = rtc_clock_frequency -`
	`426`	`+ alarm.AlarmTime.SubSeconds = rtc_clock_frequency - 1 -`
`427`	`427`	`((raw_ticks % 1024) * 32);`
`428`	`428`	`alarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;`
`429`	`429`	`alarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_SET;`