GG/arduino/arduino.ino

/*
  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");
}