Init
Dependencies: mbed WIZnetInterface
Diff: main.cpp
- Revision:
- 0:90e18025a8ed
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Sep 28 07:18:10 2020 +0000 @@ -0,0 +1,56 @@ +#include "mbed.h" +#include "EthernetInterface.h" + +#define ECHO_SERVER_PORT 7 + +int main (void) +{ + printf("Wait a second...\r\n"); + uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02}; + EthernetInterface eth; + eth.init(mac_addr); //Use DHCP + eth.connect(); + printf("Server IP Address is %s\r\n", eth.getIPAddress()); + + TCPSocketServer server; + server.bind(ECHO_SERVER_PORT); + server.listen(); + + while (true) + { + printf("Wait for new connection...\r\n"); + TCPSocketConnection client; + server.accept(client); + client.set_blocking(false, 15000); // Timeout after (1.5)s + + printf("Connection from: %s\r\n", client.get_address()); + char buffer[256]; + while (true) { + int n = client.receive(buffer, sizeof(buffer)); + if (n <= 0) break; + + // print received message to terminal + buffer[n] = '\0'; + printf("Received message from Client :'%s'\r\n",buffer); + + // reverse the message + char temp; + for(int f = 0, l = n-1; f<l; f++,l--){ + temp = buffer[f]; + buffer[f] = buffer[l]; + buffer[l] = temp; + } + + // print reversed message to terminal + printf("Sending message to Client: '%s'\r\n",buffer); + + // Echo received message back to client + client.send_all(buffer, n); + if (n <= 0) break; + } + + client.close(); + } + +} +