Import Time version 1.3 (from March 24, 2012)

examples/TimeArduinoDue/TimeArduinoDue.ino

@@ -0,0 +1,69 @@
+/*
+ * TimeRTC.pde
+ * example code illustrating Time library with Real Time Clock.
+ *
+ * This example requires Markus Lange's Arduino Due RTC Library 
+ * https://github.com/MarkusLange/Arduino-Due-RTC-Library
+ */
+
+#include <Time.h>
+#include <rtc_clock.h>
+
+// Select the Slowclock source
+//RTC_clock rtc_clock(RC);
+RTC_clock rtc_clock(XTAL);
+
+void setup()  {
+  Serial.begin(9600);
+  rtc_clock.init();
+  if (rtc_clock.date_already_set() == 0) {
+    // Unfortunately, the Arduino Due hardware does not seem to
+    // be designed to maintain the RTC clock state when the
+    // board resets.  Markus described it thusly: "Uhh the Due
+    // does reset with the NRSTB pin.  This resets the full chip
+    // with all backup regions including RTC, RTT and SC.  Only
+    // if the reset is done with the NRST pin will these regions
+    // stay with their old values."
+    rtc_clock.set_time(__TIME__);
+    rtc_clock.set_date(__DATE__);
+  }
+  setSyncProvider(getArduinoDueTime);
+  if(timeStatus()!= timeSet) 
+     Serial.println("Unable to sync with the RTC");
+  else
+     Serial.println("RTC has set the system time");      
+}
+
+time_t getArduinoDueTime()
+{
+  return rtc_clock.unixtime();
+}
+
+void loop()
+{
+   digitalClockDisplay();
+   delay(1000);
+}
+
+void digitalClockDisplay(){
+  // digital clock display of the time
+  Serial.print(hour());
+  printDigits(minute());
+  printDigits(second());
+  Serial.print(" ");
+  Serial.print(day());
+  Serial.print(" ");
+  Serial.print(month());
+  Serial.print(" ");
+  Serial.print(year()); 
+  Serial.println(); 
+}
+
+void printDigits(int digits){
+  // utility function for digital clock display: prints preceding colon and leading 0
+  Serial.print(":");
+  if(digits < 10)
+    Serial.print('0');
+  Serial.print(digits);
+}
+