Добавлена библиотека Time

libraries/Time/examples/TimeTeensy3/TimeTeensy3.ino

@@ -0,0 +1,78 @@
+/*
+ * TimeRTC.pde
+ * example code illustrating Time library with Real Time Clock.
+ * 
+ */
+
+#include <TimeLib.h>
+
+void setup()  {
+  // set the Time library to use Teensy 3.0's RTC to keep time
+  setSyncProvider(getTeensy3Time);
+
+  Serial.begin(115200);
+  while (!Serial);  // Wait for Arduino Serial Monitor to open
+  delay(100);
+  if (timeStatus()!= timeSet) {
+    Serial.println("Unable to sync with the RTC");
+  } else {
+    Serial.println("RTC has set the system time");
+  }
+}
+
+void loop() {
+  if (Serial.available()) {
+    time_t t = processSyncMessage();
+    if (t != 0) {
+      Teensy3Clock.set(t); // set the RTC
+      setTime(t);
+    }
+  }
+  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(); 
+}
+
+time_t getTeensy3Time()
+{
+  return Teensy3Clock.get();
+}
+
+/*  code to process time sync messages from the serial port   */
+#define TIME_HEADER  "T"   // Header tag for serial time sync message
+
+unsigned long processSyncMessage() {
+  unsigned long pctime = 0L;
+  const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013 
+
+  if(Serial.find(TIME_HEADER)) {
+     pctime = Serial.parseInt();
+     return pctime;
+     if( pctime < DEFAULT_TIME) { // check the value is a valid time (greater than Jan 1 2013)
+       pctime = 0L; // return 0 to indicate that the time is not valid
+     }
+  }
+  return pctime;
+}
+
+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);
+}
+