First Commit

DS3231_set_customised/DS3231_set_customised.ino

@@ -0,0 +1,115 @@
+/*
+DS3231_set.pde
+Eric Ayars
+4/11
+
+Test of set-time routines for a DS3231 RTC
+
+*/
+
+#include <DS3231.h>
+#include <Wire.h>
+
+DS3231 myRTC;
+
+byte year;
+byte month;
+byte date;
+byte dOW;
+byte hour;
+byte minute;
+byte second;
+
+void getDateStuff(byte& year, byte& month, byte& date, byte& dOW,
+                  byte& hour, byte& minute, byte& second) {
+    // Call this if you notice something coming in on
+    // the serial port. The stuff coming in should be in
+    // the order YYMMDDwHHMMSS, with an 'x' at the end.
+    boolean gotString = false;
+    char inChar;
+    byte temp1, temp2;
+    char inString[20];
+    
+    byte j=0;
+    while (!gotString) {
+        if (Serial.available()) {
+            inChar = Serial.read();
+            inString[j] = inChar;
+            j += 1;
+            if (inChar == 'x') {
+                gotString = true;
+            }
+        }
+    }
+    Serial.println(inString);
+    // Read year first
+    temp1 = (byte)inString[0] -48;
+    temp2 = (byte)inString[1] -48;
+    year = temp1*10 + temp2;
+    // now month
+    temp1 = (byte)inString[2] -48;
+    temp2 = (byte)inString[3] -48;
+    month = temp1*10 + temp2;
+    // now date
+    temp1 = (byte)inString[4] -48;
+    temp2 = (byte)inString[5] -48;
+    date = temp1*10 + temp2;
+    // now Day of Week
+    dOW = (byte)inString[6] - 48;
+    // now hour
+    temp1 = (byte)inString[7] -48;
+    temp2 = (byte)inString[8] -48;
+    hour = temp1*10 + temp2;
+    // now minute
+    temp1 = (byte)inString[9] -48;
+    temp2 = (byte)inString[10] -48;
+    minute = temp1*10 + temp2;
+    // now second
+    temp1 = (byte)inString[11] -48;
+    temp2 = (byte)inString[12] -48;
+    second = temp1*10 + temp2;
+}
+
+void setup() {
+    // Start the serial port
+    Serial.begin(57600);
+    
+    // Start the I2C interface
+    Wire.begin();
+}
+
+void loop() {
+    
+    // If something is coming in on the serial line, it's
+    // a time correction so set the clock accordingly.
+    if (Serial.available()) {
+        getDateStuff(year, month, date, dOW, hour, minute, second);
+        
+        myRTC.setClockMode(false);  // set to 24h
+        //setClockMode(true); // set to 12h
+        
+        myRTC.setYear(year);
+        myRTC.setMonth(month);
+        myRTC.setDate(date);
+        myRTC.setDoW(dOW);
+        myRTC.setHour(hour);
+        myRTC.setMinute(minute);
+        myRTC.setSecond(second);
+
+        Serial.print(year,DEC);
+        Serial.print("-");
+        Serial.print(month,DEC);
+        Serial.print("-");
+        Serial.print(date,DEC);
+        Serial.print("-");
+        Serial.print(hour,DEC);
+        Serial.print("-");
+        Serial.print(minute,DEC);
+        Serial.print("-");
+        Serial.println(second,DEC);
+    }
+    else{
+      Serial.println("No Serial connected");
+    }
+    delay(1000);
+}