udpsender.cpp

00001 #include "EthernetNetIf.h"
00002 #include "SimpleSocket.h"
00003 
00004 void udpsender() {
00005     EthernetNetIf eth;
00006     eth.setup();
00007     
00008     DatagramSocket datagram;
00009 
00010     char message[80] = {};
00011     printf("Enter message => ");
00012     int c = 0;
00013     while (c < ' ' || 0x7E < c)
00014         c = getc(stdin);
00015     ungetc(c, stdin);
00016     for (int i = 0; i < sizeof(message) - 1 && (c = getc(stdin)) >= ' '; i++)
00017         message[i] = c;
00018 
00019     int i1, i2, i3, i4;
00020     printf("UDP receiver address => ");
00021     scanf("%d.%d.%d.%d", &i1, &i2, &i3, &i4);
00022 
00023     for (int i = 0;; i++) {
00024         printf("Sending message : %s (%d)\n", message, i);
00025         datagram.printf("(%d) %s\n", i, message);
00026         datagram.send(IpAddr(i1, i2, i3, i4), 7777);
00027         wait(1);
00028     }
00029 }