Cherid Mohand / Mbed 2 deprecated TCPEchoServermomom

momomo

Dependencies:   mbed mbed-rtos EthernetInterface

main.cpp@9:39f59637a9f0, 2020-12-03 (annotated)

Committer:
momo7k
Date:
Thu Dec 03 03:42:52 2020 +0000
Revision:
9:39f59637a9f0
Parent:
8:23b1fba109b0 
yo momo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:38cbb854d85f 1 #include "mbed.h"
emilmont 1:5cebe0e38cd2 2 #include "EthernetInterface.h"
mbed_official 8:23b1fba109b0 3
momo7k 9:39f59637a9f0 4 #define ECHO_SERVER_PORT 3434
momo7k 9:39f59637a9f0 5
momo7k 9:39f59637a9f0 6 DigitalOut led1(LED1);
momo7k 9:39f59637a9f0 7 DigitalOut led2(LED2);
momo7k 9:39f59637a9f0 8 CAN can1(p30, p29);
mbed_official 8:23b1fba109b0 9
emilmont 1:5cebe0e38cd2 10 int main (void) {
momo7k 9:39f59637a9f0 11
emilmont 1:5cebe0e38cd2 12 EthernetInterface eth;
emilmont 1:5cebe0e38cd2 13 eth.init(); //Use DHCP
emilmont 1:5cebe0e38cd2 14 eth.connect();
momo7k 9:39f59637a9f0 15 printf("Server IP Address is %s\n\r", eth.getIPAddress());
emilmont 1:5cebe0e38cd2 16
emilmont 1:5cebe0e38cd2 17 TCPSocketServer server;
emilmont 3:36fd3cfad85a 18 server.bind(ECHO_SERVER_PORT);
emilmont 3:36fd3cfad85a 19 server.listen();
emilmont 1:5cebe0e38cd2 20
momo7k 9:39f59637a9f0 21 can1.frequency(125000);
momo7k 9:39f59637a9f0 22
momo7k 9:39f59637a9f0 23 CANMessage msg;
momo7k 9:39f59637a9f0 24
momo7k 9:39f59637a9f0 25 while (true)
momo7k 9:39f59637a9f0 26 {
momo7k 9:39f59637a9f0 27 printf("\nWait for new connection...\n\r");
emilmont 1:5cebe0e38cd2 28 TCPSocketConnection client;
emilmont 1:5cebe0e38cd2 29 server.accept(client);
emilmont 3:36fd3cfad85a 30 client.set_blocking(false, 1500); // Timeout after (1.5)s
emilmont 1:5cebe0e38cd2 31
momo7k 9:39f59637a9f0 32 printf("Connection from: %s\n\r", client.get_address());
emilmont 1:5cebe0e38cd2 33 char buffer[256];
momo7k 9:39f59637a9f0 34 while (true)
momo7k 9:39f59637a9f0 35 {
emilmont 3:36fd3cfad85a 36 int n = client.receive(buffer, sizeof(buffer));
emilmont 1:5cebe0e38cd2 37 if (n <= 0) break;
emilmont 1:5cebe0e38cd2 38
mbedAustin 7:a5ead1402704 39 // print received message to terminal
mbedAustin 7:a5ead1402704 40 buffer[n] = '\0';
momo7k 9:39f59637a9f0 41 printf("Received message from Client :'%s'\n\r",buffer);
momo7k 9:39f59637a9f0 42
momo7k 9:39f59637a9f0 43
momo7k 9:39f59637a9f0 44 if(can1.write(CANMessage(0x200,buffer,1)))
momo7k 9:39f59637a9f0 45 {
momo7k 9:39f59637a9f0 46 led1 = 1;
momo7k 9:39f59637a9f0 47 }
momo7k 9:39f59637a9f0 48
momo7k 9:39f59637a9f0 49
momo7k 9:39f59637a9f0 50
momo7k 9:39f59637a9f0 51 if(can1.read(msg))
momo7k 9:39f59637a9f0 52 {
momo7k 9:39f59637a9f0 53 printf("Message received: %d\n", msg.data[0]);
momo7k 9:39f59637a9f0 54 led2 = !led2;
momo7k 9:39f59637a9f0 55 }
momo7k 9:39f59637a9f0 56
mbedAustin 7:a5ead1402704 57
mbedAustin 7:a5ead1402704 58 // reverse the message
mbedAustin 7:a5ead1402704 59 char temp;
mbedAustin 7:a5ead1402704 60 for(int f = 0, l = n-1; f<l; f++,l--){
mbedAustin 7:a5ead1402704 61 temp = buffer[f];
mbedAustin 7:a5ead1402704 62 buffer[f] = buffer[l];
mbedAustin 7:a5ead1402704 63 buffer[l] = temp;
mbedAustin 7:a5ead1402704 64 }
mbedAustin 7:a5ead1402704 65
mbedAustin 7:a5ead1402704 66 // print reversed message to terminal
momo7k 9:39f59637a9f0 67 printf("Sending message to Client: '%s'\n\r",buffer);
momo7k 9:39f59637a9f0 68
mbedAustin 7:a5ead1402704 69
mbedAustin 7:a5ead1402704 70 // Echo received message back to client
emilmont 2:ec5ae99791da 71 client.send_all(buffer, n);
emilmont 1:5cebe0e38cd2 72 if (n <= 0) break;
emilmont 1:5cebe0e38cd2 73 }
momo7k 9:39f59637a9f0 74 led1 = 0;
emilmont 1:5cebe0e38cd2 75 client.close();
emilmont 1:5cebe0e38cd2 76 }
emilmont 1:5cebe0e38cd2 77 }
mbed_official 8:23b1fba109b0 78