ArduinoUnity connection

TangibleSketches/ESP32/ESP32_sketch_copy_20240512144341/sketch_VoltageUnity/sketch_VoltageUnity.ino

@@ -0,0 +1,150 @@
+//Library
+#include <WiFi.h>
+//#include <ArduinoWebsockets.h>
+#include <WebSockets2_Generic.h>
+
+
+const char* ssid = "dsv-extrality-lab";            // Replace with your network SSID
+const char* password = "expiring-unstuck-slider";  // Replace with your network password
+
+const int photoPin = A1;  // Analog pin connected to the photoresistor
+int lightValue = 0;       // Variable to store the light intensity
+
+//using namespace websockets;  // Enable access to websockets classes & functions
+using namespace websockets2_generic;
+WebsocketsServer server;  // Initialize a WebSocket server
+WebsocketsClient client;  // Initialize a WebSocket client
+
+const int LED_PIN = 13;  // Pin number for LED
+String currentMessage = "";
+void setup() {
+   Serial.begin(9600);   // Initialize serial communication
+  Serial1.begin(9600);  // Initialize serial communication for communication with Arduino+
+  Serial1.println(1);  
+  Serial.println("Trying to Connect to WiFi");  // Print a message indicating an attempt to connect to WiFi
+  WiFi.begin(ssid, password);                   // Trying to connect to WiFi
+  // Trying to connect to WiFi within every 1 second until it get connected
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Trying to Connect to WiFi");
+  }
+  Serial.println("Connected to WiFi");  // Print a message indicating WiFi connection is successful
+  // Print Esp32 local IP Address
+  Serial.print("IP Address: ");
+  Serial.println(WiFi.localIP());
+  server.listen(81);                   // Initialising websocket server on port 81
+  Serial.print("Is server live? ");    // Print a message indicating whether the WebSocket server is active
+  Serial.println(server.available());  // Print the number of available WebSocket connections
+
+ 
+  pinMode(photoPin, INPUT);
+}
+
+void loop() {
+  //Serial.println(touchRead(4)); //19708
+  if (server.poll()) {  //server.poll() checks if any client is waiting to connect
+    Serial.println("Client is available to connect...");
+    client = server.accept();  // Accept() --> what server.accept does, is: "server, please wait until there is a client knocking on the door. when there is a client knocking, let him in and give me it's object".
+    Serial.println("Client connected...");
+
+    while (client.available()) {  // Loop while there is data available from the WebSocket client
+
+      Serial.println("Waiting for client to send a message...");
+
+      WebsocketsMessage msg = client.readNonBlocking();  //readBlocking(removes the need for calling poll()) will return the first message or event received. readBlocking can also return Ping, Pong and Close messages.
+      currentMessage = msg.data();
+      // log
+      Serial.print("Got Message: ");
+      Serial.println(msg.data());
+      // Condition to blink the light at the start of program as a hello indication
+      if (currentMessage.startsWith("Hello")) {
+        for (int i = 0; i < 4; i++) {
+          digitalWrite(LED_PIN, HIGH);  //Blink on
+          delay(170);
+          digitalWrite(LED_PIN, LOW);  //Blink off
+        }
+      }
+      // Condition to take Degrees as inuput and rotate the wind turbine to that direction
+      if (currentMessage.endsWith("take input")) {// message shhould be something like "180:take input"
+        digitalWrite(LED_PIN, HIGH);
+        int number = currentMessage.substring(0,2).toInt();  // Convert the input string to an integer
+
+        // Sending the command to Arduino only if it's within a specific range
+        if (number >= 0 && number <= 1500) {
+          Serial.println("Sending command to Arduino: " + String(number));
+          Serial1.println(number);  // Send the command to Arduino via Serial1
+        } else {
+          Serial.println("Invalid command. Please type a number between 0 and 1500.");
+        }
+        digitalWrite(LED_PIN, LOW);
+      }
+
+       // Original code to read analog value from photoresistor
+      lightValue = analogRead(photoPin);  // Read analog value from photoresistor
+
+      // Convert analog value to voltage
+      float voltage = lightValue * (3.3 / 4096.0);  // Convert analog value to voltage (5V range)
+
+      // Print voltage value to serial monitor
+      //Serial.print("Analog Value: ");
+      //Serial.println(lightValue);  // Print analog value to serial monitor
+      //Serial.print("Voltage: ");
+      //Serial.print(voltage, 3);  // Print voltage with 2 decimal places
+      //Serial.println("V");       // Unit of measurement
+      client.send("voltage:"+String(voltage));
+      
+    }
+
+    // Cheking if WebSocket client is Disconnected from Esp32
+    if (!client.available()) {
+      Serial.println("Client Disconnected.");
+    }
+  }
+
+}
+  //----------------
+void mina(){
+  // Original code to read analog value from photoresistor
+  lightValue = analogRead(photoPin);  // Read analog value from photoresistor
+
+  // Convert analog value to voltage
+  float voltage = lightValue * (3.3 / 4096.0);  // Convert analog value to voltage (5V range)
+
+  // Print voltage value to serial monitor
+  Serial.print("Analog Value: ");
+  Serial.println(lightValue);  // Print analog value to serial monitor
+  Serial.print("Voltage: ");
+  Serial.print(voltage, 3);  // Print voltage with 2 decimal places
+  Serial.println("V");       // Unit of measurement
+
+  // Check if there is any input from the serial monitor
+  if (Serial.available()) {
+    String input = Serial.readStringUntil('\n');  // Read input from serial monitor
+    input.trim();                                 // Remove leading and trailing whitespace
+
+    // Check if the input consists only of numeric characters
+    boolean isNumeric = true;
+    for (size_t i = 0; i < input.length(); i++) {
+      if (!isDigit(input[i])) {
+        isNumeric = false;
+        break;
+      }
+    }
+
+    if (isNumeric) {
+      int number = input.toInt();  // Convert the input string to an integer
+
+      // Sending the command to Arduino only if it's within a specific range
+      if (number >= 0 && number <= 1500) {
+        Serial.println("Sending command to Arduino: " + String(number));
+        Serial1.println(number);  // Send the command to Arduino via Serial1
+      } else {
+        Serial.println("Invalid command. Please type a number between 0 and 1500.");
+      }
+    } else {
+      Serial.println("Invalid command. Please type a valid number.");
+    }
+  }
+
+  delay(1000);  // Delay for readability
+}