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arduino/p1.ino

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+#include <Stepper.h>
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+#include <swRTC.h>
+
+swRTC rtc;  //클래스 개체 선언
+
+LiquidCrystal_I2C lcd(0x27, 16, 2);
+const int stepsPerRevolution = 64; 
+int flag = 0;
+int btnA = 7;
+int buz = 6;
+Stepper myStepper(stepsPerRevolution, 11,9,10,8);
+int cds = A0;
+const int TriggerPin = 12, EchoPin = 13;
+
+long Dist = 0;
+
+void setup()
+{
+    rtc.stopRTC();            //정지
+    rtc.setTime(9, 00, 00);  //시, 분, 초
+    rtc.setDate(23, 11, 2019); //일, 월, 년
+    rtc.startRTC();           //시작
+  
+    // LCD Init
+    lcd.init();
+    lcd.backlight();
+    Serial.begin(9600);
+
+  // Motor Init
+    myStepper.setSpeed(300);
+
+    pinMode(btnA, INPUT_PULLUP);
+    pinMode(buz,OUTPUT);
+}
+
+long Distance(long time)
+{
+    // Calculates the Distance in mm
+    // ((time)*(Speed of sound))/ toward and backward of object) * 10
+
+    long DistanceCalc; // Calculation variable
+    DistanceCalc = ((time / 2.9) / 2); // Actual calculation in mm
+    //DistanceCalc = time / 74 / 2; // Actual calculation in inches
+    return DistanceCalc; // return calculated value
+}
+
+void banggule(int where)
+{
+    if (where == 1)
+    {
+      // Motor Rotate -> Right
+      for(int i = 0; i < 8; i++)
+      {
+        myStepper.step(-stepsPerRevolution);
+      }
+    }
+    else if (where == -1)
+    {
+      // Motor Rotate -> Left
+      for(int i = 0; i < 8; i++)
+      {
+        myStepper.step(stepsPerRevolution);
+      }
+    }
+}
+
+long digitS()
+{
+    digitalWrite(TriggerPin, LOW);
+    delayMicroseconds(2);
+    digitalWrite(TriggerPin, HIGH); // Trigger pin to HIGH
+    delayMicroseconds(10); // 10us high
+    digitalWrite(TriggerPin, LOW); // Trigger pin to HIGH
+
+    Dist = pulseIn(EchoPin, HIGH); // Waits for the echo pin to get high
+    // returns the Duration in microseconds
+
+    long Distance_mm = Distance(Dist); // Use function to calculate the distance
+    return Distance_mm;
+}
+
+void loop()
+{
+    // Analog Read
+    int cdsVal = analogRead(cds);
+
+    // LCD Cursor Set + Light Level Print
+    lcd.setCursor(0, 0);
+    lcd.print(cdsVal);
+    if (flag == 1 && cdsVal > 500) {
+        lcd.print(" - Li Lv Low");
+        banggule(-1);
+        flag = 0;
+    }
+    else if(flag == 0 && cdsVal > 500)
+    {
+      lcd.print(" - Li Lv Low");
+      banggule(1);
+      flag = 1;
+    }
+    else lcd.print(" - Li Lv High");
+    
+    // Second Line
+    lcd.setCursor(0, 1);
+    lcd.print(rtc.getHours());
+    lcd.print(rtc.getMinutes());
+    lcd.print(rtc.getSeconds());
+    lcd.print(rtc.getYear());
+    lcd.print(rtc.getMonth());
+    lcd.print(rtc.getDay());
+
+    if(digitalRead(btnA) == LOW)
+    {
+      rtc.setTime(21, 00, 00);
+    }
+
+    if(digitS() > 0 && digitS() < 200 && rtc.getHours() > 20)
+    {
+      tone(buz,956);
+    }
+
+    // Delay 0.6sec
+    delay(600);
+    
+    lcd.clear(); // Clear
+}