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main.ino

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+#include <WiFi.h>
+#include <HTTPClient.h>
+
+// koneksi jaringan
+const char* ssid = "Zidanee";
+const char* password = "zidane123";
+
+// Server endpoints
+const char* statusUrl = "http://192.168.100.42/shuttle_run/games/status.php";
+const char* waktuUrl = "http://192.168.100.42/shuttle_run/games/waktu.php";
+const char* tambahUrl = "http://192.168.100.42/shuttle_run/games/tambah.php";
+const char* endUrl = "http://192.168.100.42/shuttle_run/games/end.php";
+const char* targetUrl = "http://192.168.100.42/shuttle_run/games/lampu_target.php";
+
+// LED and button pins
+const int ledPins[4] = {33 , 32, 2, 4};
+const int buttonPins[4] = {12, 14, 18, 19};
+
+// Variabel untuk menyimpan led aktif saat ini
+int activeLED = -1;
+unsigned long oldTime=0;
+unsigned long nowTime=0;
+bool ledOn = false;
+int waktu = 0;
+int target = 0;
+int jumlah = 0;
+
+void setup() {
+  Serial.begin(115200);
+
+  //Set up LED pins sebagai output
+  for (int i = 0; i < 4; i++) {
+    pinMode(ledPins[i], OUTPUT);
+    digitalWrite(ledPins[i], LOW); // Make sure all LEDs are off initially
+  }
+
+  // Set up button pins sebagai input
+  for (int i = 0; i < 4; i++) {
+    pinMode(buttonPins[i], INPUT_PULLUP);
+  }
+
+  // Connect ke Wi-Fi
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting to WiFi...");
+  }
+  Serial.println("Connected to WiFi");
+}
+
+void loop() {
+  nowTime = millis();
+  bool statusGame = checkStatus();
+  if (nowTime - oldTime >= 1000) {
+    oldTime = nowTime;
+    if (statusGame == 1) {
+      Serial.println("Status is 1, starting the program");
+      
+      if (!ledOn) { 
+        checkWaktu();
+        checkTarget();
+        randomizeLED();
+        ledOn = true;
+      }
+
+      if(waktu <= 0) {
+        endProgram();
+        ledOn = false;
+      }
+
+      Serial.println("waktu tersisa : " + String(waktu));
+      waktu -= 1;
+    }
+  }
+
+  if (statusGame == 1) {
+    if(target == jumlah && target != 0) {
+        endProgram();
+        ledOn = false;
+      }
+    handleButtons();
+  }
+  
+}
+
+int checkTarget() {
+  if (WiFi.status() == WL_CONNECTED) {
+    HTTPClient http;
+    http.begin(targetUrl);
+    int httpResponseCode = http.GET();
+    if (httpResponseCode > 0) {
+      String response = http.getString();
+      Serial.println("target: " + response);
+      target = response.toInt();
+      return response.toInt();
+    } else {
+      Serial.println("Error on HTTP request");
+      return 0;
+    }
+    http.end();
+  } else {
+    Serial.println("WiFi not connected");
+    return 0;
+  }
+}
+
+
+int checkWaktu() {
+  if (WiFi.status() == WL_CONNECTED) {
+    HTTPClient http;
+    http.begin(waktuUrl);
+    int httpResponseCode = http.GET();
+    if (httpResponseCode > 0) {
+      String response = http.getString();
+      Serial.println("waktu: " + response);
+      waktu = response.toInt();
+      return response.toInt();
+    } else {
+      Serial.println("Error on HTTP request");
+      return 0;
+    }
+    http.end();
+  } else {
+    Serial.println("WiFi not connected");
+    return 0;
+  }
+}
+
+int checkStatus() {
+  if (WiFi.status() == WL_CONNECTED) {
+    HTTPClient http;
+    http.begin(statusUrl);
+    int httpResponseCode = http.GET();
+    if (httpResponseCode > 0) {
+      String response = http.getString();
+      // Serial.println("Status response: " + response);
+      return response.toInt();
+    } else {
+      Serial.println("Error on HTTP request");
+      return 0;
+    }
+    http.end();
+  } else {
+    Serial.println("WiFi not connected");
+    return 0;
+  }
+}
+
+void randomizeLED() {
+  if (activeLED != -1) {
+    digitalWrite(ledPins[activeLED], LOW); // mematikan led sebelumnya
+  }
+  activeLED = random(0, 4); // memilih led acak
+  digitalWrite(ledPins[activeLED], HIGH); // menghidupkan led yang terpilih
+  Serial.println("LED " + String(activeLED) + " is on");
+}
+
+void handleButtons() {
+  for (int i = 0; i < 4; i++) {
+    if (digitalRead(buttonPins[i]) == LOW) {
+      if (i == activeLED) {
+        sendButtonPress();
+        randomizeLED(); // led hidup secara acak setelah menekan tombol
+      }
+    }
+  }
+}
+
+void sendButtonPress() {
+  if (WiFi.status() == WL_CONNECTED) {
+    HTTPClient http;
+    http.begin(tambahUrl);
+    int httpResponseCode = http.GET();
+    if (httpResponseCode > 0) {
+      String response = http.getString();
+      Serial.println("Button press recorded: " + response);
+      jumlah += 1;
+    } else {
+      Serial.println("Error on sending GET request");
+    }
+    http.end();
+  } else {
+    Serial.println("WiFi not connected");
+  }
+}
+
+void endProgram() {
+  if (WiFi.status() == WL_CONNECTED) {
+    HTTPClient http;
+    http.begin(endUrl);
+    int httpResponseCode = http.GET();
+    if (httpResponseCode > 0) {
+      String response = http.getString();
+      Serial.println("Program selesai");
+    } else {
+      Serial.println("Error on sending GET request");
+    }
+    http.end();
+  } else {
+    Serial.println("WiFi not connected");
+  }
+}