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arduino/arduino.ino

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+/*
+  WiFi UDP Send and Receive String
+
+ This sketch waits for a UDP packet on localPort using the WiFi module.
+ When a packet is received an Acknowledge packet is sent to the client on port remotePort
+
+ created 30 December 2012
+ by dlf (Metodo2 srl)
+
+ */
+
+
+#include <SPI.h>
+#include <WiFiNINA.h>
+#include <WiFiUdp.h>
+#include "PluggableUSBHID.h"
+#include "USBMouseKeyboard.h"
+
+int status = WL_IDLE_STATUS;
+#include "arduino_secrets.h" 
+///////please enter your sensitive data in the Secret tab/arduino_secrets.h
+char ssid[] = SECRET_SSID;        // your network SSID (name)
+char pass[] = SECRET_PASS;    // your network password (use for WPA, or use as key for WEP)
+int keyIndex = 0;            // your network key index number (needed only for WEP)
+
+unsigned int localPort = 9696;      // local port to listen on
+
+char packetBuffer[256]; //buffer to hold incoming packet
+char  ReplyBuffer[] = "acknowledged";       // a string to send back
+
+WiFiUDP Udp;
+USBMouseKeyboard MouseKeyboard;
+
+void setup() {
+  //Initialize serial and wait for port to open:
+  //Serial.begin(9600);
+  // while (!Serial) {
+  //   ; // wait for serial port to connect. Needed for native USB port only
+  // }
+
+  // check for the WiFi module:
+  if (WiFi.status() == WL_NO_MODULE) {
+    //Serial.println("Communication with WiFi module failed!");
+    // don't continue
+    while (true);
+  }
+
+  String fv = WiFi.firmwareVersion();
+  if (fv < WIFI_FIRMWARE_LATEST_VERSION) {
+    //Serial.println("Please upgrade the firmware");
+  }
+
+  // attempt to connect to WiFi network:
+  while (status != WL_AP_LISTENING) {
+    //Serial.print("Attempting to connect to SSID: ");
+    //Serial.println(ssid);
+    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+    status = WiFi.beginAP(ssid, pass);
+
+    // wait 10 seconds for connection:
+    delay(10000);
+  }
+  //Serial.println("Connected to WiFi");
+  printWifiStatus();
+
+  //Serial.println("\nStarting connection to server...");
+  // if you get a connection, report back via serial:
+  Udp.begin(localPort);
+}
+
+void loop() {
+
+  // if there's data available, read a packet
+  int packetSize = Udp.parsePacket();
+  if (packetSize) {
+    //Serial.print("Received packet of size ");
+    //Serial.println(packetSize);
+    //Serial.print("From ");
+    IPAddress remoteIp = Udp.remoteIP();
+    //Serial.print(remoteIp);
+    //Serial.print(", port ");
+    //Serial.println(Udp.remotePort());
+
+    // read the packet into packetBuffer
+    int len = Udp.read(packetBuffer, 255);
+    if (len > 0) {
+      packetBuffer[len] = 0;
+    }
+    //Serial.println("Contents:");
+    //Serial.println(packetBuffer);
+
+    String cmd=packetBuffer;
+    if(cmd=="BLD") {
+      MouseKeyboard.press(1);
+    }
+    if(cmd=="BLU") {
+      MouseKeyboard.release(1);
+    }
+    if(cmd=="CL") {
+      MouseKeyboard.click(1);
+    }
+    if(cmd=="HW") {
+      MouseKeyboard.printf("Hello, infoeducatie!");
+    }
+    if(cmd.startsWith("MR")){
+      int x=cmd.substring(3,cmd.indexOf("Y")).toInt();
+      int y=cmd.substring(cmd.indexOf("Y")+1).toInt();
+      //Serial.println("x:"+String(x)+"&y:"+String(y));
+      MouseKeyboard.move(x, y);
+    }
+
+    // send a reply, to the IP address and port that sent us the packet we received
+    Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());
+    Udp.write(ReplyBuffer);
+    Udp.endPacket();
+  }
+}
+
+
+void printWifiStatus() {
+  // print the SSID of the network you're attached to:
+  //Serial.print("SSID: ");
+  //Serial.println(WiFi.SSID());
+
+  // print your board's IP address:
+  IPAddress ip = WiFi.localIP();
+  //Serial.print("IP Address: ");
+  //Serial.println(ip);
+
+  // print the received signal strength:
+  long rssi = WiFi.RSSI();
+  //Serial.print("signal strength (RSSI):");
+  //Serial.print(rssi);
+  //Serial.println(" dBm");
+}

arduino/arduino_secrets.h

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+#define SECRET_SSID "wifi"
+#define SECRET_PASS "ninarp2040"