UDP Echo Server example
Dependencies: EthernetInterface mbed-rtos mbed
main.cpp@5:0d4087d2486d, 2017-02-14 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Feb 14 16:54:31 2017 +0000
- Revision:
- 5:0d4087d2486d
- Parent:
- 2:6b1012d93eb2
More verbose example. Update libraries.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:3e54841149df | 1 | #include "mbed.h" |
emilmont | 1:3f409cd0bede | 2 | #include "EthernetInterface.h" |
mbed_official | 5:0d4087d2486d | 3 | |
emilmont | 2:6b1012d93eb2 | 4 | #define ECHO_SERVER_PORT 7 |
mbed_official | 5:0d4087d2486d | 5 | |
emilmont | 1:3f409cd0bede | 6 | int main (void) { |
emilmont | 1:3f409cd0bede | 7 | EthernetInterface eth; |
emilmont | 1:3f409cd0bede | 8 | eth.init(); //Use DHCP |
emilmont | 1:3f409cd0bede | 9 | eth.connect(); |
mbed_official | 5:0d4087d2486d | 10 | printf("\nServer IP Address is %s\n", eth.getIPAddress()); |
emilmont | 1:3f409cd0bede | 11 | |
emilmont | 1:3f409cd0bede | 12 | UDPSocket server; |
emilmont | 2:6b1012d93eb2 | 13 | server.bind(ECHO_SERVER_PORT); |
emilmont | 1:3f409cd0bede | 14 | |
emilmont | 2:6b1012d93eb2 | 15 | Endpoint client; |
emilmont | 1:3f409cd0bede | 16 | char buffer[256]; |
emilmont | 1:3f409cd0bede | 17 | while (true) { |
mbed_official | 5:0d4087d2486d | 18 | printf("\nWaiting for UDP packet...\n"); |
emilmont | 2:6b1012d93eb2 | 19 | int n = server.receiveFrom(client, buffer, sizeof(buffer)); |
mbed_official | 5:0d4087d2486d | 20 | buffer[n] = '\0'; |
emilmont | 1:3f409cd0bede | 21 | |
emilmont | 2:6b1012d93eb2 | 22 | printf("Received packet from: %s\n", client.get_address()); |
mbed_official | 5:0d4087d2486d | 23 | printf("Packet contents : '%s'\n",buffer); |
mbed_official | 5:0d4087d2486d | 24 | printf("Sending Packet back to Client\n"); |
emilmont | 2:6b1012d93eb2 | 25 | server.sendTo(client, buffer, n); |
emilmont | 1:3f409cd0bede | 26 | } |
mbed_official | 5:0d4087d2486d | 27 | } |