TCP Echo Client example
Dependencies: EthernetInterface mbed-rtos mbed
main.cpp
00001 #include "mbed.h" 00002 #include "EthernetInterface.h" 00003 00004 const char* ECHO_SERVER_ADDRESS = "192.168.2.2"; 00005 const int ECHO_SERVER_PORT = 7; 00006 00007 int main() { 00008 EthernetInterface eth; 00009 eth.init(); //Use DHCP 00010 eth.connect(); 00011 printf("\nClient IP Address is %s\n", eth.getIPAddress()); 00012 00013 // Connect to Server 00014 TCPSocketConnection socket; 00015 while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) { 00016 printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT); 00017 wait(1); 00018 } 00019 printf("Connected to Server at %s\n",ECHO_SERVER_ADDRESS); 00020 00021 // Send message to server 00022 char hello[] = "Hello World"; 00023 printf("Sending message to Server : '%s' \n",hello); 00024 socket.send_all(hello, sizeof(hello) - 1); 00025 00026 // Receive message from server 00027 char buf[256]; 00028 int n = socket.receive(buf, 256); 00029 buf[n] = '\0'; 00030 printf("Received message from server: '%s'\n", buf); 00031 00032 // Clean up 00033 socket.close(); 00034 eth.disconnect(); 00035 00036 while(true) {} 00037 }
Generated on Tue Jul 12 2022 11:05:15 by 1.7.2