Files
klubhaus-doorbell/sketches/doorbell/doorbell.ino
2026-02-12 02:56:59 -08:00

432 lines
12 KiB
C++

#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <Arduino_GFX_Library.h>
// ============== CONFIGURATION ==============
const char* ssid = "iot-2GHz";
const char* password = "lesson-greater";
const char* alertTopic = "http://ntfy.sh/ALERT_klubhaus_topic/json?poll=1";
const char* silenceTopic = "http://ntfy.sh/SILENCE_klubhaus_topic/json?poll=1";
const unsigned long POLL_INTERVAL = 30000;
const unsigned long SILENCE_POLL_INTERVAL = 5000;
const unsigned long BLINK_DURATION = 180000;
const unsigned long BLINK_PERIOD = 1000;
#define BACKLIGHT_PIN 22
#define BUTTON_PIN 9
// ============== COCAINE CHIC PALETTE ==============
// Miami Vice meets gallery minimal — neon pastels on stark grounds
#define COLOR_BLACK 0x0000 // Midnight void
#define COLOR_COCAINE 0xFFFE // #fff8fa — warm white, almost pink
#define COLOR_TEAL 0x05F5 // #0bd3d3 — electric neon teal
#define COLOR_FUCHSIA 0xFC6E // #f890e7 — hot pink neon
#define COLOR_MINT 0x674D // #64e8ba — mint confirmation
// Alert alternates between these two states:
#define ALERT_BG_1 COLOR_TEAL // Teal background
#define ALERT_TEXT_1 COLOR_COCAINE // White text
#define ALERT_BG_2 COLOR_FUCHSIA // Fuchsia background
#define ALERT_TEXT_2 COLOR_COCAINE // White text (or try COLOR_BLACK for contrast)
// Screen dimensions (LANDSCAPE: 320x172)
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 172
// ===========================================
// Arduino_GFX for Waveshare ESP32-C6-LCD-1.47 — LANDSCAPE mode
Arduino_DataBus *bus = new Arduino_HWSPI(
15 /* DC */, 14 /* CS */,
7 /* SCK */, 6 /* MOSI */, -1 /* MISO */);
Arduino_GFX *gfx = new Arduino_ST7789(
bus, 21 /* RST */, 1 /* rotation: LANDSCAPE */, true /* IPS */,
172 /* native width */, 320 /* native height */,
34 /* col offset 1 */, 0 /* row offset 1 */,
34 /* col offset 2 */, 0 /* row offset 2 */);
// ===========================================
enum State { STATE_SILENT, STATE_ALERT };
State currentState = STATE_SILENT;
unsigned long lastPoll = 0;
unsigned long lastSilencePoll = 0;
unsigned long blinkStartTime = 0;
bool blinkState = false;
String lastAlertId = "";
String lastSilenceId = "";
bool lastButtonState = false;
String alertMessage = "";
// ===========================================
void setup() {
Serial.begin(115200);
delay(3000);
Serial.println("\n=== COCAINE CHIC DOORBELL ===");
Serial.println("Aesthetic: Miami Vice minimal, gallery alert");
pinMode(BACKLIGHT_PIN, OUTPUT);
digitalWrite(BACKLIGHT_PIN, LOW);
Serial.println("Backlight ready");
pinMode(BUTTON_PIN, INPUT_PULLUP);
Serial.println("Button ready");
Serial.println("Init GFX...");
gfx->begin();
Serial.println("GFX begin OK — LANDSCAPE 320x172");
digitalWrite(BACKLIGHT_PIN, HIGH);
testDisplay();
delay(300);
transitionTo(STATE_SILENT);
// WiFi
Serial.println("Connecting WiFi...");
WiFi.begin(ssid, password);
int wifiTimeout = 0;
while (WiFi.status() != WL_CONNECTED && wifiTimeout < 40) {
delay(500);
Serial.print(".");
wifiTimeout++;
}
if (WiFi.status() != WL_CONNECTED) {
Serial.println("\nWiFi FAILED");
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_BLACK);
drawCenteredText("OFFLINE", 3, COLOR_FUCHSIA, COLOR_BLACK, 70);
delay(3000);
digitalWrite(BACKLIGHT_PIN, LOW);
} else {
Serial.println("\nWiFi OK: " + WiFi.localIP().toString());
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_BLACK);
drawCenteredText("CONNECTED", 2, COLOR_MINT, COLOR_BLACK, 50);
gfx->setTextSize(1);
gfx->setCursor(80, 90);
gfx->println(WiFi.localIP().toString());
delay(800);
digitalWrite(BACKLIGHT_PIN, LOW);
gfx->fillScreen(COLOR_BLACK);
}
Serial.println("=== SETUP COMPLETE ===");
Serial.println(String("State: ") + getStateName(currentState));
Serial.println("Silent: screen dark, gallery-ready");
}
void loop() {
unsigned long now = millis();
handleButton();
switch (currentState) {
case STATE_SILENT:
if (now - lastSilencePoll >= SILENCE_POLL_INTERVAL) {
lastSilencePoll = now;
checkSilenceTopic();
}
if (now - lastPoll >= POLL_INTERVAL) {
lastPoll = now;
checkAlertTopic();
}
break;
case STATE_ALERT:
if (now - lastSilencePoll >= SILENCE_POLL_INTERVAL) {
lastSilencePoll = now;
checkSilenceTopic();
}
updateBlink(now);
if (now - blinkStartTime >= BLINK_DURATION) {
Serial.println("ALERT TIMEOUT");
transitionTo(STATE_SILENT);
}
break;
}
delay(10);
}
// ============== STATE MANAGEMENT ==============
void transitionTo(State newState) {
if (newState == currentState) return;
Serial.print("STATE: ");
Serial.print(getStateName(currentState));
Serial.print(" -> ");
Serial.println(getStateName(newState));
currentState = newState;
switch (currentState) {
case STATE_SILENT:
alertMessage = "";
gfx->fillScreen(COLOR_BLACK);
digitalWrite(BACKLIGHT_PIN, LOW);
Serial.println("Silent: cocaine white standby, screen dark");
break;
case STATE_ALERT:
digitalWrite(BACKLIGHT_PIN, HIGH);
blinkStartTime = millis();
blinkState = false;
drawAlertScreen(ALERT_BG_1, ALERT_TEXT_1);
Serial.println("ALERT: neon pulse activated");
break;
}
}
const char* getStateName(State s) {
return (s == STATE_SILENT) ? "SILENT" : "ALERT";
}
// ============== ALERT SCREEN ==============
void drawAlertScreen(uint16_t bgColor, uint16_t textColor) {
gfx->fillScreen(bgColor);
// "ALERT" header — bold, centered top
drawCenteredText("ALERT", 3, textColor, bgColor, 20);
// The message — auto-sized, centered below
if (alertMessage.length() > 0) {
drawAutoSizedMessage(alertMessage, textColor, bgColor, 70);
}
}
void drawAutoSizedMessage(String message, uint16_t textColor, uint16_t bgColor, int yPos) {
int textSize = calculateOptimalTextSize(message, SCREEN_WIDTH - 40, SCREEN_HEIGHT - yPos - 20);
gfx->setTextSize(textSize);
gfx->setTextColor(textColor, bgColor);
gfx->setTextBound(20, yPos, SCREEN_WIDTH - 20, SCREEN_HEIGHT - 10);
gfx->setCursor(20, yPos);
gfx->println(message);
}
int calculateOptimalTextSize(String message, int maxWidth, int maxHeight) {
for (int size = 5; size >= 1; size--) {
gfx->setTextSize(size);
int charWidth = 6 * size;
int lineHeight = 8 * size;
int charsPerLine = maxWidth / charWidth;
int numLines = (message.length() + charsPerLine - 1) / charsPerLine;
int totalHeight = numLines * lineHeight;
if (totalHeight <= maxHeight && charsPerLine >= 4) {
return size;
}
}
return 1;
}
void drawCenteredText(const char* text, int textSize, uint16_t textColor, uint16_t bgColor, int yPos) {
gfx->setTextSize(textSize);
gfx->setTextColor(textColor, bgColor);
int textWidth = strlen(text) * 6 * textSize;
int xPos = (SCREEN_WIDTH - textWidth) / 2;
if (xPos < 20) xPos = 20;
gfx->setCursor(xPos, yPos);
gfx->println(text);
}
// ============== BUTTON HANDLING ==============
void handleButton() {
bool pressed = (digitalRead(BUTTON_PIN) == LOW);
if (pressed && !lastButtonState) {
Serial.println("BUTTON PRESSED");
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_COCAINE);
drawCenteredText("TEST", 3, COLOR_BLACK, COLOR_COCAINE, 70);
Serial.println("Screen COCAINE WHITE (held)");
}
else if (!pressed && lastButtonState) {
Serial.println("BUTTON RELEASED");
if (currentState == STATE_ALERT) {
Serial.println("Reset ALERT -> SILENT");
transitionTo(STATE_SILENT);
// Mint confirmation flash
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_MINT);
drawCenteredText("SILENCED", 3, COLOR_BLACK, COLOR_MINT, 70);
delay(400);
gfx->fillScreen(COLOR_BLACK);
digitalWrite(BACKLIGHT_PIN, LOW);
} else {
gfx->fillScreen(COLOR_BLACK);
digitalWrite(BACKLIGHT_PIN, LOW);
Serial.println("Screen BLACK, silent");
}
}
lastButtonState = pressed;
}
// ============== NETWORK FUNCTIONS ==============
void checkAlertTopic() {
Serial.println("Poll alert...");
String response = fetchNtfy(alertTopic);
if (response.length() == 0) {
Serial.println(" No response");
return;
}
StaticJsonDocument<512> doc;
DeserializationError error = deserializeJson(doc, response);
if (error) {
Serial.print(" JSON error: ");
Serial.println(error.c_str());
return;
}
String id = doc["id"] | "";
String message = doc["message"] | "";
if (id == lastAlertId) {
Serial.println(" Same ID, skip");
return;
}
lastAlertId = id;
Serial.print(" New: ");
Serial.println(message);
if (message.equalsIgnoreCase("SILENCE")) {
Serial.println(" -> SILENCE command");
transitionTo(STATE_SILENT);
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_MINT);
drawCenteredText("SILENCE", 3, COLOR_BLACK, COLOR_MINT, 70);
delay(800);
gfx->fillScreen(COLOR_BLACK);
digitalWrite(BACKLIGHT_PIN, LOW);
} else {
Serial.println(" -> TRIGGER ALERT");
alertMessage = message;
transitionTo(STATE_ALERT);
}
}
void checkSilenceTopic() {
String response = fetchNtfy(silenceTopic);
if (response.length() == 0) return;
StaticJsonDocument<512> doc;
DeserializationError error = deserializeJson(doc, response);
if (error) return;
String id = doc["id"] | "";
if (id == lastSilenceId) return;
lastSilenceId = id;
Serial.print("Silence: ");
Serial.println((const char*)doc["message"]);
if (currentState == STATE_ALERT) {
Serial.println(" -> Stop alert via silence topic");
transitionTo(STATE_SILENT);
digitalWrite(BACKLIGHT_PIN, HIGH);
gfx->fillScreen(COLOR_MINT);
drawCenteredText("SILENCED", 3, COLOR_BLACK, COLOR_MINT, 70);
delay(800);
gfx->fillScreen(COLOR_BLACK);
digitalWrite(BACKLIGHT_PIN, LOW);
}
}
String fetchNtfy(const char* url) {
HTTPClient http;
http.begin(url);
http.setTimeout(5000);
int code = http.GET();
Serial.print(" HTTP ");
Serial.println(code);
if (code != 200) {
http.end();
return "";
}
String payload = http.getString();
http.end();
int newline = payload.indexOf('\n');
if (newline > 0) payload = payload.substring(0, newline);
return payload;
}
// ============== BLINK CONTROL ==============
void updateBlink(unsigned long now) {
unsigned long elapsed = now - blinkStartTime;
bool newState = ((elapsed / BLINK_PERIOD) % 2) == 1;
if (newState != blinkState) {
blinkState = newState;
// Cocaine chic alternation: TEAL ↔ FUCHSIA
uint16_t bgColor = blinkState ? ALERT_BG_2 : ALERT_BG_1;
uint16_t textColor = blinkState ? ALERT_TEXT_2 : ALERT_TEXT_1;
drawAlertScreen(bgColor, textColor);
Serial.println(blinkState ? "FUCHSIA flash" : "TEAL flash");
}
}
// ============== DISPLAY TEST ==============
void testDisplay() {
Serial.println(" TEAL");
gfx->fillScreen(COLOR_TEAL);
delay(150);
Serial.println(" FUCHSIA");
gfx->fillScreen(COLOR_FUCHSIA);
delay(150);
Serial.println(" COCAINE WHITE");
gfx->fillScreen(COLOR_COCAINE);
delay(150);
Serial.println(" MINT");
gfx->fillScreen(COLOR_MINT);
delay(150);
Serial.println(" BLACK");
gfx->fillScreen(COLOR_BLACK);
delay(100);
Serial.println(" LANDSCAPE TEXT TEST");
gfx->fillScreen(COLOR_BLACK);
drawCenteredText("COCAINE", 3, COLOR_COCAINE, COLOR_BLACK, 50);
drawCenteredText("CHIC", 3, COLOR_TEAL, COLOR_BLACK, 90);
delay(400);
gfx->fillScreen(COLOR_BLACK);
Serial.println("Test complete");
}