From 561d1d43a66de8f732f543b56e5ac4bcb8fca84e Mon Sep 17 00:00:00 2001
From: EduardoGMohedano <egarciamohedano@gmail.com>
Date: Fri, 11 Sep 2020 09:53:17 -0500
Subject: [PATCH 1/2] Added 12 Hrs format

Adding 12 Hrs format for Alarms. Implementaion is in the begin function, default state is 24 Hrs, if a True parameter is passed to the begin function, the 12 Hrs format is used
---
 src/RTCZero.cpp | 13 ++++++++++++-
 src/RTCZero.h   |  3 ++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/RTCZero.cpp b/src/RTCZero.cpp
index 71bfd8d..715afcd 100644
--- a/src/RTCZero.cpp
+++ b/src/RTCZero.cpp
@@ -39,7 +39,7 @@ RTCZero::RTCZero()
   _configured = false;
 }
 
-void RTCZero::begin(bool resetTime)
+void RTCZero::begin(bool twelveHrsformat,bool resetTime)
 {
   uint16_t tmp_reg = 0;
   
@@ -72,6 +72,10 @@ void RTCZero::begin(bool resetTime)
   
   //According to the datasheet RTC_MODE2_CTRL_CLKREP = 0 for 24h
   tmp_reg &= ~RTC_MODE2_CTRL_CLKREP; // 24h time representation
+  if(twelveHrsformat)
+  {
+    tmp_reg |= RTC_MODE2_CTRL_CLKREP; // 12h time representation 
+  }
 
   RTC->MODE2.READREQ.reg &= ~RTC_READREQ_RCONT; // disable continuously mode
 
@@ -152,6 +156,13 @@ void RTCZero::standbyMode()
   __WFI();
 }
 
+void RTCZero::enable12Hrsformat()
+{
+  RTCdisable();
+  RTC->MODE2.CTRL.reg  = RTC_MODE2_CTRL_CLKREP;
+  RTCenable();
+}
+
 /*
  * Get Functions
  */
diff --git a/src/RTCZero.h b/src/RTCZero.h
index f74f091..ae4cb10 100644
--- a/src/RTCZero.h
+++ b/src/RTCZero.h
@@ -39,7 +39,7 @@ class RTCZero {
   };
 
   RTCZero();
-  void begin(bool resetTime = false);
+  void begin(bool twelveHrsformat = false,bool resetTime = false);
 
   void enableAlarm(Alarm_Match match);
   void disableAlarm();
@@ -48,6 +48,7 @@ class RTCZero {
   void detachInterrupt();
   
   void standbyMode();
+  void enable12Hrsformat();
   
   /* Get Functions */
 

From 207962abb32f0c2c18c5683f5d2fe3c2454ff5f9 Mon Sep 17 00:00:00 2001
From: EduardoGMohedano <egarciamohedano@gmail.com>
Date: Fri, 11 Sep 2020 15:41:59 -0500
Subject: [PATCH 2/2] Added 12 Hrs Format for Alarm

---
 src/RTCZero.cpp | 7 -------
 src/RTCZero.h   | 1 -
 2 files changed, 8 deletions(-)

diff --git a/src/RTCZero.cpp b/src/RTCZero.cpp
index 715afcd..7a97dd1 100644
--- a/src/RTCZero.cpp
+++ b/src/RTCZero.cpp
@@ -156,13 +156,6 @@ void RTCZero::standbyMode()
   __WFI();
 }
 
-void RTCZero::enable12Hrsformat()
-{
-  RTCdisable();
-  RTC->MODE2.CTRL.reg  = RTC_MODE2_CTRL_CLKREP;
-  RTCenable();
-}
-
 /*
  * Get Functions
  */
diff --git a/src/RTCZero.h b/src/RTCZero.h
index ae4cb10..73fa796 100644
--- a/src/RTCZero.h
+++ b/src/RTCZero.h
@@ -48,7 +48,6 @@ class RTCZero {
   void detachInterrupt();
   
   void standbyMode();
-  void enable12Hrsformat();
   
   /* Get Functions */