pedestrian-lights/sketch/sketch.ino at main · neolao/pedestrian-lights · GitHub

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
#define RED_LED_PIN_1 12
#define RED_LED_PIN_2 11
#define RED_LED_PIN_3 10
#define GREEN_LED_PIN_1 7
#define GREEN_LED_PIN_2 8
#define GREEN_LED_PIN_3 9
#define RED_BUTTON_PIN 13
#define GREEN_BUTTON_PIN 6

String mode;
unsigned long timer;
unsigned long changeDelay = 15000;

void setup() {
  pinMode(RED_LED_PIN_1, OUTPUT);
  pinMode(RED_LED_PIN_2, OUTPUT);
  pinMode(RED_LED_PIN_3, OUTPUT);
  pinMode(GREEN_LED_PIN_1, OUTPUT);
  pinMode(GREEN_LED_PIN_2, OUTPUT);
  pinMode(GREEN_LED_PIN_3, OUTPUT);
  pinMode(RED_BUTTON_PIN, INPUT_PULLUP);
  pinMode(GREEN_BUTTON_PIN, INPUT_PULLUP);

  timer = millis();
  mode = "red";
  switchToRed();
  changeMode("red");
}

void changeRedLeds(int state) {
  digitalWrite(RED_LED_PIN_1, state);
  digitalWrite(RED_LED_PIN_2, state);
  digitalWrite(RED_LED_PIN_3, state);
}

void changeGreenLeds(int state) {
  digitalWrite(GREEN_LED_PIN_1, state);
  digitalWrite(GREEN_LED_PIN_2, state);
  digitalWrite(GREEN_LED_PIN_3, state);
}

void switchToGreen() {
  changeRedLeds(LOW);
  changeGreenLeds(HIGH);
}

void switchToRed() {
  changeRedLeds(HIGH);
  changeGreenLeds(LOW);
}

void changeMode(String newMode) {
  mode = newMode;

  if (mode == "red") {
    switchToRed();
  } else {
    switchToGreen();
  }
  timer = millis();
}

void loop() {
  bool redButtonPressed = (digitalRead(RED_BUTTON_PIN) == LOW);
  bool greenButtonPressed = (digitalRead(GREEN_BUTTON_PIN) == LOW);

  if (redButtonPressed && greenButtonPressed) {

  } else if (redButtonPressed) {
    changeMode("red");
  } else if (greenButtonPressed) {
    changeMode("green");
  }

  if (millis() - timer > changeDelay) {
    if (mode == "red") {
      changeMode("green");
    } else {
      changeMode("red");
    }
  }
}