Playing with the UDPEchoClient to prototype delivery of data over UDP.
Dependencies: EthernetInterface FXOS8700CQ mbed-rtos mbed
Fork of UDPEchoClient by
main.cpp
- Committer:
- trm
- Date:
- 2014-06-03
- Revision:
- 8:c9e4f2e15e2d
- Parent:
- 5:263b6859d55c
File content as of revision 8:c9e4f2e15e2d:
#include "mbed.h" #include "EthernetInterface.h" #include "FXOS8700CQ.h" const char* ECHO_SERVER_ADDRESS = "10.0.0.73"; const int ECHO_SERVER_PORT = 7001; // changed from example code // TODO: figure out why this line breaks the code: FXOS8700CQ fxos(PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1); // SDA, SCL, (addr << 1) RawSerial pc(USBTX, USBRX); Timer t; // Microsecond timer, 32 bit int, maximum count of ~30 minutes int main() { pc.baud(115200); printf("Starting setup.\n"); EthernetInterface eth; eth.init(); // Use DHCP eth.connect(); printf("IP Address is %s\n", eth.getIPAddress()); UDPSocket sock; sock.init(); Endpoint echo_server; echo_server.set_address(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT); char out_buffer[] = "Hello World"; char in_buffer[256]; t.reset(); t.start(); for(int i = 0; i < 20; ++i) { sock.sendTo(echo_server, out_buffer, sizeof(out_buffer)); int n = sock.receiveFrom(echo_server, in_buffer, sizeof(in_buffer)); in_buffer[n] = '\0'; printf("%d, %d: %s\n", t.read_us(), i, in_buffer); t.reset(); } sock.close(); eth.disconnect(); printf("Disconnected and closed."); while(1) {} }