Ethernet : IPAddress() class
Defines an IP address. It can be used to declare both local and remote addresses.
IPAddress(address);
address: a comma delimited list representing the address (4 bytes, ex. 192, 168, 1, 1)
None
#include <SPI.h>
#include <Ethernet.h>
// network configuration. dns server, gateway and subnet are optional.
// the media access control (ethernet hardware) address for the shield:
byte mac[
]
=
{
0xDE
,
0xAD
,
0xBE
,
0xEF
,
0xFE
,
0xED
}
;
// the dns server ip
IPAddress dnServer(
192
,
168
,
0
,
1
)
;
// the router's gateway address:
IPAddress gateway(
192
,
168
,
0
,
1
)
;
// the subnet:
IPAddress subnet(
255
,
255
,
255
,
0
)
;
//the IP address is dependent on your network
IPAddress ip(
192
,
168
,
0
,
2
)
;
void
setup
(
)
{
Serial.begin
(
9600
)
;
// initialize the ethernet device
Ethernet.begin
(mac, ip, dnServer, gateway, subnet)
;
//print out the IP address
Serial.print
(
"IP = "
)
;
Serial.println
(Ethernet.localIP
(
)
)
;
}
void
loop
(
)
{
}
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.