Create Example4_Set_Epoch.ino

Author: adamgarbo

libraries/RTC/examples/Example4_Set_Epoch/Example4_Set_Epoch.ino

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+/* 
+  Author: Adam Garbo
+  Created: May 23rd, 2020
+  License: MIT. See SparkFun Arduino Apollo3 Project for more information
+
+  This example demonstrates how to set the RTC using UNIX Epoch time.
+  
+  Most SparkFun Artemis boards have the necessary external 32kHz crystal to
+  enable the RTC. If you are using the Artemis module bare you will either
+  need an external 32kHz xtal or use the internal LFRC. Read the datasheet
+  section 12.1 for more information.
+
+*/
+
+#include "RTC.h" //Include RTC library included with the Aruino_Apollo3 core
+APM3_RTC myRTC; //Create instance of RTC class
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println("SparkFun RTC Set UNIX Epoch Time Example");
+
+  // Set the RTC time using UNIX Epoch time
+  myRTC.setEpoch(1590240780); // E.g. Saturday, May 23, 2020 1:33:00 PM
+}
+
+void loop()
+{
+  Serial.print("Epoch time: "); Serial.println(myRTC.getEpoch());
+  Serial.print("Timestamp: "); printDateTime();
+
+  delay(1000);
+}
+
+// Print the RTC's current date and time
+void printDateTime()
+{
+  myRTC.getTime();
+  char dateTime[20];
+  sprintf(dateTime, "20%02d-%02d-%02d %02d:%02d:%02d",
+          myRTC.year, myRTC.month, myRTC.dayOfMonth,
+          myRTC.hour, myRTC.minute, myRTC.seconds);
+  Serial.println(dateTime);
+}