From 465836147faf88bfedf7a491064e78622766ff90 Mon Sep 17 00:00:00 2001
From: Sebastian Romero <s.romero.zh@gmail.com>
Date: Thu, 23 May 2024 11:29:39 +0200
Subject: [PATCH] Add RTC alarm setter without callback

---
 libraries/RTC/src/RTC.cpp | 10 +++++++++-
 libraries/RTC/src/RTC.h   |  2 ++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/libraries/RTC/src/RTC.cpp b/libraries/RTC/src/RTC.cpp
index 56cf8bf56..0a65f9895 100644
--- a/libraries/RTC/src/RTC.cpp
+++ b/libraries/RTC/src/RTC.cpp
@@ -653,7 +653,11 @@ bool RTClock::setAlarmCallback(rtc_cbk_t fnc, RTCTime &t, AlarmMatch &m) {
     
     if(is_initialized) {
         onRtcInterrupt();
-        setRtcAlarmClbk(fnc);
+
+        if(fnc != nullptr) {
+            setRtcAlarmClbk(fnc);
+        }
+
         rtc_alarm_time_t at;
         at.min_match = false;               
         at.sec_match = false;                
@@ -684,6 +688,10 @@ bool RTClock::setAlarmCallback(rtc_cbk_t fnc, RTCTime &t, AlarmMatch &m) {
     return false;
 }
 
+bool RTClock::setAlarm(RTCTime &t, AlarmMatch &m) {
+    return this->setAlarmCallback(nullptr, t, m);
+}
+
 bool RTClock::isRunning() {
     return isRtcRunning();
 }
diff --git a/libraries/RTC/src/RTC.h b/libraries/RTC/src/RTC.h
index 1010fdbbf..92df943d4 100644
--- a/libraries/RTC/src/RTC.h
+++ b/libraries/RTC/src/RTC.h
@@ -181,6 +181,8 @@ class RTClock {
 
     bool setPeriodicCallback(rtc_cbk_t fnc, Period p);
     bool setAlarmCallback(rtc_cbk_t fnc, RTCTime &t, AlarmMatch &m);
+    bool setAlarm(RTCTime &t, AlarmMatch &m);
+    
     bool isRunning();
     bool setTime(RTCTime &t); 
     bool setTimeIfNotRunning(RTCTime &t);