Merge remote-tracking branch 'ofw/dev' into mntm-dev

targets/f7/furi_hal/furi_hal_rtc.h

@@ -98,6 +98,14 @@ void furi_hal_rtc_deinit_early(void);
 /** Initialize RTC subsystem */
 void furi_hal_rtc_init(void);
 
+/** Prepare system for shutdown
+ *
+ * This function must be called before system sent to transport mode(power off).
+ * FlipperZero implementation configures and enables ALARM output on pin PC13
+ * (Back button). This allows the system to wake-up charger from transport mode.
+ */
+void furi_hal_rtc_prepare_for_shutdown(void);
+
 /** Force sync shadow registers */
 void furi_hal_rtc_sync_shadow(void);
 
@@ -247,6 +255,38 @@ void furi_hal_rtc_set_datetime(DateTime* datetime);
  */
 void furi_hal_rtc_get_datetime(DateTime* datetime);
 
+/** Set alarm
+ *
+ * @param[in]  datetime  The date time to set or NULL if time change is not needed
+ * @param[in]  enabled   Indicates if alarm must be enabled or disabled
+ */
+void furi_hal_rtc_set_alarm(const DateTime* datetime, bool enabled);
+
+/** Get alarm
+ *
+ * @param      datetime  Pointer to DateTime object
+ *
+ * @return     true if alarm was set, false otherwise
+ */
+bool furi_hal_rtc_get_alarm(DateTime* datetime);
+
+/** Furi HAL RTC alarm callback signature */
+typedef void (*FuriHalRtcAlarmCallback)(void* context);
+
+/** Set alarm callback
+ *
+ * Use it to subscribe to alarm trigger event. Setting alarm callback is
+ * independent from setting alarm.
+ *
+ * @warning    Normally this callback will be delivered from the ISR, however we may
+ *             deliver it while this function is called. This happens when
+ *             the alarm has already triggered, but there was no ISR set.
+ *
+ * @param[in]  callback  The callback
+ * @param      context   The context
+ */
+void furi_hal_rtc_set_alarm_callback(FuriHalRtcAlarmCallback callback, void* context);
+
 /** Set RTC Fault Data
  *
  * @param[in]  value  The value