buzzer + display working

src/main.cpp

@@ -5,6 +5,15 @@
 #include <ArduinoJson.h>
 
 const int deviceId = 0;
+bool alarmIsTriggered = false;
+bool alarmIsArmed = false;
+bool alarmIsDisarmed = false;
+bool alarmIsArming = false;
+bool alarmIsDisarming = false;
+unsigned long previousBuzzerMillis = 0;
+unsigned long previousButtonMillis = 0;
+bool buzzerStatus = false;
+bool lastButtonState = false;
 
 const char *ssid = "PET Aflytningsvogn #43";
 const char *password = "zwr33htm";
@@ -15,6 +24,7 @@ WiFiClient espClient;
 PubSubClient client(espClient);
 
 int buzzerPin = D0;
+int buttonPin = D5;
 int lcdColumns = 16;
 int lcdRows = 2;
 
@@ -115,27 +125,37 @@ void callback(char *topic, byte *payload, unsigned int length)
     StaticJsonDocument<512> doc;
     deserializeJson(doc, payload, length);
 
+    alarmIsTriggered = false;
+    alarmIsArmed = false;
+    alarmIsDisarmed = false;
+    alarmIsArming = false;
+    alarmIsDisarming = false;
+    digitalWrite(buzzerPin, LOW);
+
     if (strcmp(doc["status"], "Arming") == 0)
     {
+        alarmIsArming = true;
         isArming();
     }
     else if (strcmp(doc["status"], "Armed") == 0)
     {
+        alarmIsArmed = true;
         isArmed();
     }
     else if (strcmp(doc["status"], "Disarmed") == 0)
     {
+        alarmIsDisarmed = true;
         isDisarmed();
     }
-    else if (strcmp(doc["status"], "Disarming") == 0){
+    else if (strcmp(doc["status"], "Disarming") == 0)
+    {
+        alarmIsDisarming = true;
         isDisarming();
     }
     else if (strcmp(doc["status"], "Triggered") == 0)
     {
+        alarmIsTriggered = true;
         isTriggered();
-        tone(buzzerPin, 1000);
-        delay(1000);
-        noTone(buzzerPin);
     }
 }
 
@@ -146,6 +166,7 @@ void setup()
     lcd.init();
     lcd.backlight();
     pinMode(buzzerPin, OUTPUT);
+    pinMode(buttonPin, INPUT_PULLUP);
 
     setup_wifi();
     client.setCallback(callback);
@@ -161,4 +182,41 @@ void loop()
     }
 
     client.loop();
+
+    unsigned long currentMillis = millis();
+
+    if (currentMillis - previousBuzzerMillis >= 500 && alarmIsTriggered)
+    {
+        digitalWrite(buzzerPin, !buzzerStatus);
+        buzzerStatus = !buzzerStatus;
+        previousBuzzerMillis = currentMillis;
+    }
+
+    bool buttonState = !digitalRead(buttonPin);
+
+    if (buttonState != lastButtonState && currentMillis - previousButtonMillis > 500)
+    {
+        previousButtonMillis = currentMillis;
+        
+        if (buttonState)
+        {
+            Serial.println("Button pressed");
+            DynamicJsonDocument doc(1024);
+
+            doc["deviceId"] = deviceId;
+
+            char buffer[1024];
+            size_t n = serializeJson(doc, buffer);
+
+            if (alarmIsDisarmed)
+            {
+                client.publish("display/arm", buffer, n);
+            }
+            else
+            {
+                client.publish("display/disarm", buffer, n);
+            }            
+        }
+        lastButtonState = buttonState;
+    }
 }