From 253d38a786dbed3e09b90399a05943153ca8d457 Mon Sep 17 00:00:00 2001
From: William Harrington <kb0iic@berzerkula.org>
Date: Thu, 1 Aug 2019 02:52:47 -0500
Subject: Add functions to edit SQWE.

---
 ds3231.c | 8 ++++++++
 ds3231.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/ds3231.c b/ds3231.c
index b70a09b..38d1edd 100755
--- a/ds3231.c
+++ b/ds3231.c
@@ -71,6 +71,14 @@ void Set_DayOfWeek(int dow) {
     I2C_Master_Stop();
 }
 
+void Set_Sqwe(int contvalue) {
+    I2C_Master_Start(); // Start I2C
+    I2C_Master_Write(0xD0); // RTC Chip address
+    I2C_Master_Write(0x0E); // Control register address
+    I2C_Master_Write(contvalue); // Data to control register
+    I2C_Master_Stop();
+}
+
 void Set_Time() {
     I2C_Master_Start(); // Start I2C
     I2C_Master_Write(0xD0); // RTC Chip address
diff --git a/ds3231.h b/ds3231.h
index 3131310..ba5bbbc 100755
--- a/ds3231.h
+++ b/ds3231.h
@@ -6,6 +6,7 @@ unsigned int Get_DayOfWeek(unsigned int, unsigned int,  unsigned int);
 void Read_Alarms_Temp(void);
 void Set_Date(void);
 void Set_DayOfWeek(int);
+void Set_Sqwe(int);
 void Set_Time(void);
 void Update_Current_Date_Time(void);
 void Write_Alarms(void);
\ No newline at end of file
-- 
cgit v1.2.3-54-g00ecf