Ethernet : UDP.begin()

begin()

Description

Initializes the ethernet UDP library and network settings.

Syntax

EthernetUDP.begin(localPort);

Parameters

localPort: the local port to listen on (int)

Returns

1 if successful, 0 if there are no sockets available to use.

Example

#include <SPI.h>        


#include <Ethernet.h>


#include <EthernetUdp.h>
// Enter a MAC address and IP address for your controller below.


// The IP address will be dependent on your local network:


byte mac[
]
=
{  
  0xDE
,
0xAD
,
0xBE
,
0xEF
,
0xFE
,
0xED
}
;

IPAddress ip(
192
,
168
,
1
,
177
)
;


unsigned
int localPort =
8888
;      // local port to listen on
// An EthernetUDP instance to let us send and receive packets over UDP

EthernetUDP Udp;
void
setup
(
)
{

  // start the Ethernet and UDP:

  Ethernet.begin
(mac,ip)
;

  Udp.begin
(localPort)
;
}
void
loop
(
)
{
}

Reference Home

The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.