112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
#include <IRremote.hpp>
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#include "pitches.h"
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#define IR_RECEIVE_PIN 7
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#include <TimerFreeTone.h>
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#define TONE_PIN 8
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const int DOOR_SENSOR_PIN = 13;
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// notes in the melody:
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int melody[] = {
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NOTE_C4, NOTE_G3, NOTE_G3, NOTE_A3, NOTE_G3, 0, NOTE_B3, NOTE_C4
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};
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// note durations: 4 = quarter note, 8 = eighth note, etc.:
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int noteDurations[] = {
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4, 8, 8, 4, 4, 4, 4, 4
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};
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int melody2[] = { 262, 196, 196, 220, 196, 0, 247, 262 };
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int duration[] = { 250, 125, 125, 250, 250, 250, 250, 250 };
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int currentDoorState; // current state of door sensor
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int lastDoorState; // previous state of door sensor
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void setup()
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{
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Serial.begin(115200); // // Establish serial communication
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IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK); // Start the receiver
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pinMode(DOOR_SENSOR_PIN, INPUT_PULLUP);
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currentDoorState = digitalRead(DOOR_SENSOR_PIN); // read state
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}
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int lastCmd;
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unsigned long lastTime;
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void loop() {
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handleDoor();
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if (IrReceiver.decode()) {
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// Serial.println(IrReceiver.decodedIRData.decodedRawData, HEX); // Print "old" raw data
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// IrReceiver.printIRResultShort(&Serial); // Print complete received data in one line
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// IrReceiver.printIRSendUsage(&Serial); // Print the statement required to send this data
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// if(lastCmd == IrReceiver.decodedIRData.command && lastTime + 2000 > millis() )
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// {
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// IrReceiver.resume();
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// return;
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// }
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switch(IrReceiver.decodedIRData.command)
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{
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case 67:
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Serial.println("Play");
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playTone();
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break;
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default:
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Serial.print("unk: ");
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Serial.println(IrReceiver.decodedIRData.command);
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}
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//IrReceiver.printIRResultShort(&Serial); // Print complete received data in one line
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// lastTime = millis();
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// lastCmd=IrReceiver.decodedIRData.command;
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//Serial.println(IrReceiver.decodedIRData.command);
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IrReceiver.resume();
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}
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}
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void handleDoor(){
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lastDoorState = currentDoorState; // save the last state
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currentDoorState = digitalRead(DOOR_SENSOR_PIN); // read new state
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if (lastDoorState == LOW && currentDoorState == HIGH) { // state change: LOW -> HIGH
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Serial.println("The door-opening event is detected");
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playTone();
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}
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else
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if (lastDoorState == HIGH && currentDoorState == LOW) { // state change: HIGH -> LOW
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Serial.println("The door-closing event is detected");
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// TODO: turn off alarm, light or send notification ...
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}
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}
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void playTone(){
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// // iterate over the notes of the melody:
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// for (int thisNote = 0; thisNote < 8; thisNote++) {
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// // to calculate the note duration, take one second divided by the note type.
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// //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
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// int noteDuration = 1000 / noteDurations[thisNote];
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// tone(8, melody[thisNote], noteDuration);
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// // to distinguish the notes, set a minimum time between them.
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// // the note's duration + 30% seems to work well:
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// int pauseBetweenNotes = noteDuration * 1.30;
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// delay(pauseBetweenNotes);
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// // stop the tone playing:
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// noTone(8);
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// }
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for (int thisNote = 0; thisNote < 8; thisNote++) { // Loop through the notes in the array.
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TimerFreeTone(TONE_PIN, melody2[thisNote], duration[thisNote]); // Play thisNote for duration.
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delay(50); // Short delay between notes.
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}
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}
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