1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#include <Adafruit_NeoPixel.h>
#define NOTE_C5 523
#define NOTE_D5 587
#define NOTE_E5 659
//Defining the notes' frequencies for the melody
#define interval 10000
//Time in millisecconds between first and second alarm
#define SIGNAL_PIN 3
#define STRIP_PIN 9
#define LED_COUNT 4
#define PIEZZO_PIN 10
#define MELODY_LENGTH 4
int melodies[2][MELODY_LENGTH] =
{
{NOTE_C5, NOTE_E5, NOTE_D5, 0},
{NOTE_C5, NOTE_C5, NOTE_C5, NOTE_C5}
};
int noteDurations[] =
{
1000 / 8, 1000 / 8, 1000 / 8, 1000 / 2
};
Adafruit_NeoPixel strip = Adafruit_NeoPixel(LED_COUNT, STRIP_PIN, NEO_GRB + NEO_KHZ800);
unsigned long color = strip.Color(255, 255, 255);
void ledToggle()
{
if(strip.getPixelColor(0) == strip.Color(0,0,0))
{
strip.fill(color);
}
else
{
strip.clear();
}
strip.show();
}
void playNote(int noteDuration, int noteToPlay)
{
tone(PIEZZO_PIN, noteToPlay, noteDuration);
delay(noteDuration * 1.30);
noTone(PIEZZO_PIN);
}
void playMelodyAndLEDs(int position)
{
for(int i = 0; i < MELODY_LENGTH; i++)
{
playNote(noteDurations[i], melodies[position][i]);
ledToggle();
delay(100);
}
}
void setup()
{
pinMode(SIGNAL_PIN, INPUT);
pinMode(STRIP_PIN, OUTPUT);
pinMode(PIEZZO_PIN, OUTPUT);
strip.begin();
}
void alarm(unsigned long timeSinceActivation)
{
while(digitalRead(SIGNAL_PIN))
{
if(millis() - timeSinceActivation > interval)
{
color = strip.Color(255, 0, 0);
playMelodyAndLEDs(1);
}
else
{
color = strip.Color(255, 255, 0);
playMelodyAndLEDs(0);
}
}
}
void loop()
{
if(digitalRead(SIGNAL_PIN))
{
alarm(millis());
}
delay(100);
}
|
