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December 13, 2015 10:33
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/* | |
DHCP-based IP printer | |
This sketch uses the DHCP extensions to the Ethernet library | |
to get an IP address via DHCP and print the address obtained. | |
using an Arduino Wiznet Ethernet shield. | |
Circuit: | |
Ethernet shield attached to pins 10, 11, 12, 13 | |
created 12 April 2011 | |
modified 9 Apr 2012 | |
by Tom Igoe | |
modified 02 Sept 2015 | |
by Arturo Guadalupi | |
*/ | |
#include <SPI.h> | |
#include <Ethernet.h> | |
#include <EthernetUdp.h> | |
// Enter a MAC address for your controller below. | |
// Newer Ethernet shields have a MAC address printed on a sticker on the shield | |
byte mac[] = { | |
0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 | |
}; | |
// Initialize the Ethernet client library | |
// with the IP address and port of the server | |
// that you want to connect to (port 80 is default for HTTP): | |
EthernetClient client; | |
char server[] = "188.226.137.177"; | |
void setup() { | |
// Open serial communications and wait for port to open: | |
Serial.begin(9600); | |
// this check is only needed on the Leonardo: | |
while (!Serial) { | |
; // wait for serial port to connect. Needed for native USB port only | |
} | |
// start the Ethernet connection: | |
if (Ethernet.begin(mac) == 0) { | |
Serial.println("Failed to configure Ethernet using DHCP"); | |
// no point in carrying on, so do nothing forevermore: | |
for (;;) | |
; | |
} | |
// print your local IP address: | |
printIPAddress(); | |
} | |
void loop() { | |
// give the Ethernet shield a second to initialize: | |
delay(1000); | |
Serial.println("connecting..."); | |
// if you get a connection, report back via serial: | |
if (client.connect(server, 8000)) { | |
Serial.println("connected"); | |
// Make a HTTP request: | |
client.println("POST /post/ HTTP/1.1"); | |
client.println("Host: 188.226.137.177"); | |
client.println("User-Agent: 33.33,22.22,11.11,44.44"); // Herre we enter the data | |
client.println(""); | |
delay(10000); | |
client.stop(); | |
Serial.println("Client stop"); | |
} else { | |
// if you didn't get a connection to the server: | |
Serial.println("connection failed"); | |
} | |
switch (Ethernet.maintain()) | |
{ | |
case 1: | |
//renewed fail | |
Serial.println("Error: renewed fail"); | |
break; | |
case 2: | |
//renewed success | |
Serial.println("Renewed success"); | |
//print your local IP address: | |
printIPAddress(); | |
break; | |
case 3: | |
//rebind fail | |
Serial.println("Error: rebind fail"); | |
break; | |
case 4: | |
//rebind success | |
Serial.println("Rebind success"); | |
//print your local IP address: | |
printIPAddress(); | |
break; | |
default: | |
//nothing happened | |
break; | |
} | |
} | |
void printIPAddress() | |
{ | |
Serial.print("My IP address: "); | |
for (byte thisByte = 0; thisByte < 4; thisByte++) { | |
// print the value of each byte of the IP address: | |
Serial.print(Ethernet.localIP()[thisByte], DEC); | |
Serial.print("."); | |
} | |
Serial.println(); | |
} |
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