arduino stuffs
Diffstat (limited to 'libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino')
| -rw-r--r-- | libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino b/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino new file mode 100644 index 0000000..e40cdfe --- /dev/null +++ b/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino @@ -0,0 +1,95 @@ +/* + 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> + +// 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 +}; + +void setup() { + // You can use Ethernet.init(pin) to configure the CS pin + //Ethernet.init(10); // Most Arduino shields + //Ethernet.init(5); // MKR ETH shield + //Ethernet.init(0); // Teensy 2.0 + //Ethernet.init(20); // Teensy++ 2.0 + //Ethernet.init(15); // ESP8266 with Adafruit Featherwing Ethernet + //Ethernet.init(33); // ESP32 with Adafruit Featherwing Ethernet + + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for native USB port only + } + + // start the Ethernet connection: + Serial.println("Initialize Ethernet with DHCP:"); + if (Ethernet.begin(mac) == 0) { + Serial.println("Failed to configure Ethernet using DHCP"); + if (Ethernet.hardwareStatus() == EthernetNoHardware) { + Serial.println("Ethernet shield was not found. Sorry, can't run without hardware. :("); + } else if (Ethernet.linkStatus() == LinkOFF) { + Serial.println("Ethernet cable is not connected."); + } + // no point in carrying on, so do nothing forevermore: + while (true) { + delay(1); + } + } + // print your local IP address: + Serial.print("My IP address: "); + Serial.println(Ethernet.localIP()); +} + +void loop() { + 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: + Serial.print("My IP address: "); + Serial.println(Ethernet.localIP()); + break; + + case 3: + //rebind fail + Serial.println("Error: rebind fail"); + break; + + case 4: + //rebind success + Serial.println("Rebind success"); + //print your local IP address: + Serial.print("My IP address: "); + Serial.println(Ethernet.localIP()); + break; + + default: + //nothing happened + break; + } +} + |