Scary Halloween Pumpkin

1#include "thingProperties.h"
2#include "DFRobotDFPlayerMini.h"
3#include <Modulino.h>
4
5#define MP3_SERIAL Serial1
6
7ModulinoPixels leds;
8ModulinoDistance distance;
9DFRobotDFPlayerMini player;
10
11// Constants
12const int idleBrightness = 50;       // Constant brightness when idle
13const int animationBrightness = 255; // Maximum brightness for the animation
14const unsigned long soundDuration = 5000; // Duration of the sound in milliseconds
15const unsigned long checkInterval = 100;  // Interval for checking distance sensor
16const unsigned long pulseInterval = 5;    // Interval for updating brightness during pulsing
17
18// Global Variables
19bool hasPlayed = false;              // Flag to track if the sound has played
20bool pulsing = false;                // Flag to track if the eyes are currently pulsing
21unsigned long soundStartTime = 0;    // To track when the sound starts
22unsigned long eyeStartTime = 0;      // To track when the pulsing starts
23unsigned long lastCheckTime = 0;     // To track the last distance sensor check time
24unsigned long lastPlayTime = 0;      // To track when `hasPlayed` was last set
25int currentBrightness = idleBrightness; // Current brightness of the eyes
26
27// Function Prototypes
28void initializeHardware();
29void checkDistanceSensor(unsigned long currentTime);
30void scarePeople(unsigned long currentTime);
31void resetHasPlayedFlag(unsigned long currentTime);
32void updatePulsingEffect(unsigned long currentTime);
33void checkPulsingTimeout(unsigned long currentTime);
34void handlePulsing(unsigned long currentTime);
35void setIdleBrightness();
36int getBrightnessFromSpeakerSignal();
37void angryEyes(ModulinoColor color, int brightness);
38void setPixel(int pixel, ModulinoColor color, int brightness);
39
40void setup() {
41
42  //Cloud Stuff
43  Serial.begin(9600);
44  delay(1500); 
45  initProperties();
46  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
47  setDebugMessageLevel(2);
48  ArduinoCloud.printDebugInfo();
49
50  //Hardware Stuff
51  initializeHardware();
52}
53
54void loop() {
55  //Cloud Stuff
56  ArduinoCloud.update();
57
58  //Main Logic
59  unsigned long currentTime = millis();
60  checkDistanceSensor(currentTime);
61  resetHasPlayedFlag(currentTime);
62  updatePulsingEffect(currentTime);
63}
64
65// Initialize all hardware components
66void initializeHardware() {
67  Serial.begin(9600);
68  MP3_SERIAL.begin(9600); // DFPlayer Mini expected baud rate
69  Modulino.begin();
70  distance.begin();
71  leds.begin();
72  pinMode(A0, INPUT); // Initialize analog pin A0 as an input
73  if (player.begin(MP3_SERIAL)) {
74    Serial.println("OK");
75    player.volume(30);
76  } else {
77    Serial.println("Connecting to DFPlayer Mini failed!");
78  }
79  // Set eyes to idle brightness when starting
80  angryEyes(RED, idleBrightness);
81}
82
83// Check the distance sensor and trigger scare if needed
84void checkDistanceSensor(unsigned long currentTime) {
85    if (currentTime - lastCheckTime >= checkInterval) {
86        lastCheckTime = currentTime;
87        if (distance.available()) {
88            int measure = distance.get();
89            Serial.println(measure);
90            if (measure > 0 && measure < 100 && !hasPlayed) {
91                scarePeople(currentTime);
92            }
93        } else {
94            // Handle sensor unavailability more robustly
95            Serial.println("Distance sensor not available, retrying...");
96            // Optionally add a timeout or retry mechanism
97        }
98    }
99}
100
101// Trigger the scare sequence
102void scarePeople(unsigned long currentTime) {
103  hasPlayed = true;              // Prevent immediate replay
104  lastPlayTime = currentTime;    // Record the time when it was last played
105  soundStartTime = currentTime;  // Record the time when the sound starts
106  eyeStartTime = currentTime;    // Record the time when the pulsing starts
107  pulsing = true;                // Start pulsing the eyes
108  player.play(laugh_sound);                // Play the laughter track
109  people_scared++;
110  Serial.println("Laughter track and pulsing started");
111}
112
113// Reset the hasPlayed flag after the sound duration
114void resetHasPlayedFlag(unsigned long currentTime) {
115  if (hasPlayed && currentTime - lastPlayTime >= soundDuration) {
116    hasPlayed = false;
117    Serial.println("Flag hasPlayed reset after sound duration");
118  }
119}
120
121// Update the pulsing effect
122void updatePulsingEffect(unsigned long currentTime) {
123  if (pulsing) {
124    checkPulsingTimeout(currentTime);
125    handlePulsing(currentTime);
126  } else if (currentBrightness != idleBrightness) {
127    setIdleBrightness();
128  }
129}
130
131// Check if pulsing should stop based on sound duration
132void checkPulsingTimeout(unsigned long currentTime) {
133  if (currentTime - soundStartTime >= soundDuration) {
134    pulsing = false;  // Stop pulsing after sound finishes
135    Serial.println("Pulsing stopped after sound duration");
136  }
137}
138
139// Handle the pulsing effect by reading the speaker signal
140void handlePulsing(unsigned long currentTime) {
141  if (currentTime - eyeStartTime >= pulseInterval) {
142    eyeStartTime = currentTime;  // Reset the eye timing for the next pulse
143    // Get the brightness from speaker signal
144    currentBrightness = getBrightnessFromSpeakerSignal();
145    Serial.println("Pulsing brightness adjusted: " + String(currentBrightness));
146    angryEyes(RED, currentBrightness);  // Apply the brightness
147  }
148}
149
150// Set the eyes to idle brightness when not pulsing
151void setIdleBrightness() {
152  currentBrightness = idleBrightness;
153  angryEyes(RED, idleBrightness);
154  Serial.println("Set eyes to idle brightness");
155}
156
157// Read the speaker signal and calculate brightness
158int getBrightnessFromSpeakerSignal() {
159  int speakerSignal = analogRead(A0);
160  // Calculate the brightness level directly
161  int brightness = (speakerSignal * animationBrightness) / 1023;
162  // Optionally adjust mapping based on actual signal range
163  // brightness = map(speakerSignal, 250, 1023, 0, animationBrightness);
164  return brightness;
165}
166
167// Set the "angry eyes" pattern on the LEDs
168void angryEyes(ModulinoColor color, int brightness) {
169  for (int i = 0; i < 4; i++) {
170    setPixel(i, color, brightness);     // Set the first eye
171    setPixel(i + 4, color, brightness); // Set the second eye
172  }
173  leds.show();
174}
175
176// Set a single pixel's color and brightness
177void setPixel(int pixel, ModulinoColor color, int brightness) {
178  leds.set(pixel, color, brightness);
179}
180
181void onAnimationChange() {}
182void onLaughSoundChange() {}
183void onLaughTriggerChange() {
184    unsigned long currentTime = millis();
185    
186    // Check if the sound has already played recently
187    if (!hasPlayed) {
188        scarePeople(currentTime);  // Trigger the scare sequence
189    } else {
190        Serial.println("Sound already played recently, ignoring trigger");
191    }
192}