Initial commit

main/Tone.h

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+/* $Id: Tone.h 113 2010-06-16 20:16:29Z bhagman@roguerobotics.com $
+
+  A Tone Generator Library
+
+  Written by Brett Hagman
+  http://www.roguerobotics.com/
+  bhagman@roguerobotics.com
+
+    This library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*************************************************/
+
+#ifndef _Tone_h
+#define _Tone_h
+
+#include <stdint.h>
+
+/*************************************************
+* Public Constants
+*************************************************/
+
+#define B0  31
+#define C1  33
+#define CS1 35
+#define D1  37
+#define DS1 39
+#define E1  41
+#define F1  44
+#define FS1 46
+#define G1  49
+#define GS1 52
+#define A1  55
+#define AS1 58
+#define B1  62
+#define C2  65
+#define CS2 69
+#define D2  73
+#define DS2 78
+#define E2  82
+#define F2  87
+#define FS2 93
+#define G2  98
+#define GS2 104
+#define A2  110
+#define AS2 117
+#define B2  123
+#define C3  131
+#define CS3 139
+#define D3  147
+#define DS3 156
+#define E3  165
+#define F3  175
+#define FS3 185
+#define G3  196
+#define GS3 208
+#define A3  220
+#define AS3 233
+#define B3  247
+#define C4  262
+#define CS4 277
+#define D4  294
+#define DS4 311
+#define E4  330
+#define F4  349
+#define FS4 370
+#define G4  392
+#define GS4 415
+#define A4  440
+#define AS4 466
+#define B4  494
+#define C5  523
+#define CS5 554
+#define D5  587
+#define DS5 622
+#define E5  659
+#define F5  698
+#define FS5 740
+#define G5  784
+#define GS5 831
+#define A5  880
+#define AS5 932
+#define B5  988
+#define C6  1047
+#define CS6 1109
+#define D6  1175
+#define DS6 1245
+#define E6  1319
+#define F6  1397
+#define FS6 1480
+#define G6  1568
+#define GS6 1661
+#define A6  1760
+#define AS6 1865
+#define B6  1976
+#define C7  2093
+#define CS7 2217
+#define D7  2349
+#define DS7 2489
+#define E7  2637
+#define F7  2794
+#define FS7 2960
+#define G7  3136
+#define GS7 3322
+#define A7  3520
+#define AS7 3729
+#define B7  3951
+#define C8  4186
+#define CS8 4435
+#define D8  4699
+#define DS8 4978
+
+
+/*************************************************
+* Definitions
+*************************************************/
+
+class Tone
+{
+  public:
+    void begin(uint8_t tonePin);
+    bool isPlaying();
+    void play(uint16_t frequency, uint32_t duration = 0);
+    void stop();
+
+  private:
+    static uint8_t _tone_pin_count;
+    uint8_t _pin;
+    int8_t _timer;
+};
+
+#endif

main/main.ino

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+#include "Tone.h";
+
+const int door1 = 4;
+const int door2 = 5;
+
+const int unarmedLed = 2; 
+const int armUnarm = 3; 
+const int spkr = 12;
+const int armedLed = 13;
+
+const int pass = 113;
+const int securityPoints = 2;
+
+bool isArmed = 1;
+bool soundAlarm = 0;
+
+int maxWarnLevel = 250;
+int warnDelayRef = 300;
+int warnIncrement = 10;
+
+int warnLevel = 0;
+int isOpen[securityPoints] = {false, false};
+
+int initMelody[] = {C4, E4, G4, E4, G4, C5};
+int initDurations[] = {200, 100, 100, 100, 100, 100};
+
+int unarmMelody[] = {C5, D5, E5, G5, C6};
+int unarmDurations[] = {50, 50, 50, 50, 50};
+
+int armMelody[] = {C3, D3, G3, B3, C4};
+int armDurations[] = {50, 50, 50, 50, 50};
+
+int alarmNote = CS5;
+
+void setup() {
+  Serial.begin(9600);
+  
+  pinMode(door1, INPUT_PULLUP);
+  pinMode(door2, INPUT_PULLUP);
+  pinMode(armUnarm, INPUT_PULLUP);
+  pinMode(unarmedLed, OUTPUT); 
+  pinMode(armedLed, OUTPUT);
+  
+  Serial.println("Initialized.");
+
+  playMelody(initMelody, initDurations, 200);
+  
+  if(isArmed == 1) {
+    Serial.println("Currently ARMED.");
+    digitalWrite(armedLed, HIGH);
+  } else { 
+    Serial.println("Currently UNARMED.");
+    digitalWrite(unarmedLed, HIGH);
+  };
+};
+
+void playMelody(int melody[], int noteDur[], int noteDelay[]) {
+  for(int i = 0; i < sizeof(melody); i++) {
+    tone(spkr, melody[i], noteDur[i]);
+    delay(noteDelay);
+    noTone(spkr);
+  }
+}
+
+void loop() {
+  
+  // - Security Points -
+
+  // door1
+  if(digitalRead(door1) == LOW && isOpen[0] == false) {
+    Serial.println("Door1 has opened.");
+    isOpen[0] = true;
+    if(isArmed == true) soundAlarm = 1;
+  } else if(digitalRead(door1) == HIGH && isOpen[0] == true) {
+    isOpen[0] = false;
+    soundAlarm = 0;
+    Serial.println("Door1 has closed.");
+  };
+  
+  // door2
+  if(digitalRead(door2) == LOW && isOpen[1] == false) {
+    Serial.println("Door2 has opened.");
+    isOpen[1] = true;
+    if(isArmed == true) soundAlarm = 1;
+  } else if(digitalRead(door2) == HIGH && isOpen[1] == true) {
+    isOpen[1] = false;
+    soundAlarm = 0;
+    Serial.println("Door2 has closed.");
+  };
+
+  // - Arm/Unarm - 
+
+  if(digitalRead(armUnarm) == LOW) {
+    if(isArmed == 1) {
+      Serial.println("To unarm, please enter the password.");
+      Serial.print("password> ");
+      while(!Serial.available()) {
+        digitalWrite(unarmedLed, HIGH);
+        delay(250);
+        digitalWrite(unarmedLed, LOW);
+        delay(250);
+      };
+      if(Serial.available()) {
+        String readString;
+        while(Serial.available()) {
+          char c = Serial.read();
+          readString += c;
+          delay(2); 
+        };
+
+        if(readString.length() > 0) {
+          int n = readString.toInt();
+          if(n == pass) {
+            isArmed = 0;
+            playMelody(unarmMelody, unarmDurations, 50);
+            Serial.println("Successfully UNARMED.");
+          } else Serial.println("Wrong password!");
+          readString="";
+        };
+      };
+    } else {
+      Serial.println("Successfully ARMED.");
+      playMelody(armMelody, armDurations, 50);
+      isArmed = 1;
+    };
+    delay(1000);
+  };
+
+  // - Activate unarmed/armed LEDs - 
+
+  if(isArmed == 1) {
+    digitalWrite(armedLed, HIGH);
+    digitalWrite(unarmedLed, LOW);
+  } else {
+    digitalWrite(unarmedLed, HIGH);
+    digitalWrite(armedLed, LOW);
+  };
+
+  // - Sound alarm -
+
+  if(soundAlarm == 1) {
+    if(warnLevel < maxWarnLevel) warnLevel = warnLevel + warnIncrement;
+    Serial.println(warnLevel);
+    digitalWrite(armedLed, HIGH);
+    tone(spkr, alarmNote);
+    delay(warnDelayRef - warnLevel);
+    noTone(spkr);
+    digitalWrite(armedLed, LOW);
+    delay(warnDelayRef - warnLevel);
+  } else warnLevel = 0;
+}