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software_binaeruhr/software_binaeruhr.ino

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+#include "src/DS3231.h" //http://www.rinkydinkelectronics.com/library.php?id=73
+
+DS3231  rtc(SDA, SCL);
+
+//Pins
+//Pins für Sekunden-Schieberegister
+const int clockPinS   = 4;
+const int latchPinS   = 3;
+const int dataPinS    = 2;
+//Pins für Minuten-Schieberegister
+const int clockPinM   = 7;
+const int latchPinM   = 6;
+const int dataPinM    = 5;
+//Pins für Stunden-Schieberegister
+const int clockPinH   = 10;
+const int latchPinH   = 9;
+const int dataPinH    = 8;
+
+const int tickled = 13;
+const int taster = 12;
+
+//Variablen
+long prevMillis = 0;
+long interval   = 500;
+Time t;
+int stunden;
+int minuten;
+int sekunden;
+int tag;
+int monat;
+int wochentag;
+int temp;
+int halbesekunde = 0;
+int modus = 1;
+int modustimer = 0;
+
+void setup(){
+  //Outputpins
+  pinMode(clockPinS, OUTPUT);
+  pinMode(dataPinS,  OUTPUT);
+  pinMode(latchPinS, OUTPUT);
+  pinMode(clockPinM, OUTPUT);
+  pinMode(dataPinM,  OUTPUT);
+  pinMode(latchPinM, OUTPUT);
+  pinMode(clockPinH, OUTPUT);
+  pinMode(dataPinH,  OUTPUT);
+  pinMode(latchPinH, OUTPUT);
+  pinMode(tickled, OUTPUT);
+  
+  //Inputpin
+  pinMode(taster, INPUT_PULLUP);
+  
+  //RTC
+  rtc.begin();
+  
+  // Nachfolgende Linien zur Zeiteinstellung unkommentieren
+  //rtc.setDOW(2);                // Wochentag einstellen -> 1=Montag, 2=Dienstag, ...
+  //rtc.setTime(16, 58, 00);     // Uhrzeit einstellen (Stunde, Minute, Sekunde)
+  //rtc.setDate(02, 04, 2019);   // Datum einstellen (Tag, Monat, Jahr)
+
+  
+  //für Debugging un-kommentieren
+  //Serial.begin(9600);
+} //Ende von setup()
+
+void loop(){
+  /*if (digitalRead(addhour) == LOW){ //falls Minuten erhöht werden sollen
+    delay(100);
+    minutes += 1;
+    if (minutes > 58){
+      minutes = 0;
+    }
+    Serial.println("Minute++");
+    while(digitalRead(2) == LOW){
+      delay(10);
+      }
+  }*/
+
+  if (digitalRead(taster) == LOW){
+    modus++;
+    modustimer = 0;
+    if (modus == 4){
+      modus = 1;
+    }
+    while(digitalRead(taster) == LOW){}
+    delay(100);
+  }
+
+  if(modustimer >= 10){
+    modus = 1;
+    modustimer = 0;
+  }
+     
+   unsigned long currentMillis = millis();
+   if (currentMillis - prevMillis > interval) {
+     prevMillis = currentMillis;
+
+     if(halbesekunde == 1){
+       if (modus == 1){
+        t = rtc.getTime();
+        stunden = t.hour, DEC;
+        minuten = t.min, DEC;
+        sekunden = t.sec, DEC;
+        digitalWrite(tickled, HIGH);
+        displayTime();
+       }
+       else if (modus == 2){
+        t = rtc.getTime();
+        tag = t.date, DEC;
+        monat = t.mon, DEC;
+        wochentag = t.dow, DEC;
+        modustimer++;
+        displayDate();
+       }
+       else if (modus == 3){
+        temp = int(rtc.getTemp());
+        modustimer++;
+        displayTemp();
+       }
+       
+       //für Debugging un-kommentieren
+       /*Serial.println("");
+       Serial.println("Zeit:"); //für debugging
+       Serial.print(String(stunden));
+       Serial.print(":");
+       Serial.print(String(minuten));
+       Serial.print(":");
+       Serial.print(String(sekunden));
+       //*/
+       
+       halbesekunde = 0;
+     }
+     else{
+       digitalWrite(tickled, LOW);
+       halbesekunde = 1;
+     }
+   }
+   
+} //Ende von loop()
+
+
+void displayTime(){ //Sendet die Zeit zu den Shiftregistern
+    //Sekunden
+    digitalWrite(latchPinS, LOW);
+    shiftOut(dataPinS, clockPinS, MSBFIRST, sekunden);
+    digitalWrite(latchPinS, HIGH);
+    //Minuten
+    digitalWrite(latchPinM, LOW);
+    shiftOut(dataPinM, clockPinM, MSBFIRST, minuten);
+    digitalWrite(latchPinM, HIGH);
+    //Stunden
+    digitalWrite(latchPinH, LOW);
+    shiftOut(dataPinH, clockPinH, MSBFIRST, stunden);
+    digitalWrite(latchPinH, HIGH);
+}
+
+void displayDate(){ //Sendet Datum zu den Shiftregistern
+    digitalWrite(latchPinS, LOW);
+    shiftOut(dataPinS, clockPinS, MSBFIRST, wochentag);
+    digitalWrite(latchPinS, HIGH);
+    digitalWrite(latchPinM, LOW);
+    shiftOut(dataPinM, clockPinM, MSBFIRST, monat);
+    digitalWrite(latchPinM, HIGH);
+    digitalWrite(latchPinH, LOW);
+    shiftOut(dataPinH, clockPinH, MSBFIRST, tag);
+    digitalWrite(latchPinH, HIGH);
+}
+
+void displayTemp(){ //Sendet Temperatur zu den Shiftregistern
+    digitalWrite(latchPinS, LOW);
+    shiftOut(dataPinS, clockPinS, MSBFIRST, temp);
+    digitalWrite(latchPinS, HIGH);
+    digitalWrite(latchPinM, LOW);
+    shiftOut(dataPinM, clockPinM, MSBFIRST, 0);
+    digitalWrite(latchPinM, HIGH);
+    digitalWrite(latchPinH, LOW);
+    shiftOut(dataPinH, clockPinH, MSBFIRST, 0);
+    digitalWrite(latchPinH, HIGH);
+}