UDP Echo Client example
Dependencies: EthernetInterface mbed-rtos mbed
Fork of UDPEchoClient by
main.cpp@1:129986b437b1, 2012-07-26 (annotated)
- Committer:
- emilmont
- Date:
- Thu Jul 26 16:35:11 2012 +0000
- Revision:
- 1:129986b437b1
- Parent:
- 0:97e3476ef63e
- Child:
- 2:3307c4a7c499
First implementation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:97e3476ef63e | 1 | #include "mbed.h" |
emilmont | 1:129986b437b1 | 2 | #include "EthernetInterface.h" |
emilmont | 1:129986b437b1 | 3 | |
emilmont | 1:129986b437b1 | 4 | const char* ECHO_SERVER_ADDRESS = "10.2.131.73"; |
emilmont | 1:129986b437b1 | 5 | const int ECHO_PORT = 7; |
emilmont | 1:129986b437b1 | 6 | |
emilmont | 1:129986b437b1 | 7 | int main() { |
emilmont | 1:129986b437b1 | 8 | EthernetInterface eth; |
emilmont | 1:129986b437b1 | 9 | eth.init(); //Use DHCP |
emilmont | 1:129986b437b1 | 10 | eth.connect(); |
emilmont | 1:129986b437b1 | 11 | |
emilmont | 1:129986b437b1 | 12 | UDPSocket sock; |
emilmont | 1:129986b437b1 | 13 | sock.init(); |
emilmont | 1:129986b437b1 | 14 | |
emilmont | 1:129986b437b1 | 15 | char out_buffer[] = "Hello World\n"; |
emilmont | 1:129986b437b1 | 16 | UDPPacket out_packet(out_buffer, sizeof(out_buffer)); |
emilmont | 1:129986b437b1 | 17 | out_packet.set_address(ECHO_SERVER_ADDRESS, ECHO_PORT); |
emilmont | 1:129986b437b1 | 18 | sock.sendTo(out_packet); |
emilmont | 1:129986b437b1 | 19 | |
emilmont | 1:129986b437b1 | 20 | char in_buffer[256]; |
emilmont | 1:129986b437b1 | 21 | UDPPacket in_packet(in_buffer, sizeof(in_buffer)); |
emilmont | 1:129986b437b1 | 22 | int n = sock.receiveFrom(in_packet); |
emilmont | 1:129986b437b1 | 23 | |
emilmont | 1:129986b437b1 | 24 | in_buffer[n] = '\0'; |
emilmont | 1:129986b437b1 | 25 | printf("%s\n", in_buffer); |
emilmont | 1:129986b437b1 | 26 | |
emilmont | 1:129986b437b1 | 27 | sock.close(); |
emilmont | 1:129986b437b1 | 28 | |
emilmont | 1:129986b437b1 | 29 | eth.disconnect(); |
emilmont | 1:129986b437b1 | 30 | while(1) {} |
emilmont | 1:129986b437b1 | 31 | } |