diff options
Diffstat (limited to 'libraries/WiFi/examples/WiFiUdpSendReceiveString')
-rw-r--r-- | libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino b/libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino deleted file mode 100644 index eb11295..0000000 --- a/libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino +++ /dev/null @@ -1,112 +0,0 @@ - -/* - WiFi UDP Send and Receive String - - This sketch wait an UDP packet on localPort using a WiFi shield. - When a packet is received an Acknowledge packet is sent to the client on port remotePort - - Circuit: - * WiFi shield attached - - created 30 December 2012 - by dlf (Metodo2 srl) - - */ - - -#include <SPI.h> -#include <WiFi.h> -#include <WiFiUdp.h> - -int status = WL_IDLE_STATUS; -char ssid[] = "yourNetwork"; // your network SSID (name) -char pass[] = "secretPassword"; // 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 = 2390; // local port to listen on - -char packetBuffer[255]; //buffer to hold incoming packet -char ReplyBuffer[] = "acknowledged"; // a string to send back - -WiFiUDP Udp; - -void setup() { - //Initialize serial and wait for port to open: - Serial.begin(9600); - while (!Serial) { - ; // wait for serial port to connect. Needed for Leonardo only - } - - // check for the presence of the shield: - if (WiFi.status() == WL_NO_SHIELD) { - Serial.println("WiFi shield not present"); - // don't continue: - while(true); - } - - // attempt to connect to Wifi network: - while ( status != WL_CONNECTED) { - 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.begin(ssid); - - // 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 packetBufffer - int len = Udp.read(packetBuffer,255); - if (len >0) packetBuffer[len]=0; - Serial.println("Contents:"); - Serial.println(packetBuffer); - - // 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 WiFi shield'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"); -} - - - - |