Diff: main.cpp

Revision:

3:4bfea09eabf8

Parent:

2:97a6b36f2bc9

Child:

4:35efc8506987

--- a/main.cpp	Tue Oct 12 07:20:31 2021 +0000
+++ b/main.cpp	Tue Oct 12 13:35:30 2021 +0000
@@ -5,64 +5,63 @@
 
 Serial pc(USBTX, USBRX);
 
-int main (void) 
+int main (void)
 {
     pc.baud(115200);
-    
+
     pc.printf("안녕 세상!\n");
-    pc.printf("잠깐만...\r\n");        
-    
-    uint8_t mac_addr[6] = {0x00, 0x11, 0x22, 0x11, 0xAB, 0xAB};     
-    //uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02}; 
-    
-    EthernetInterface eth;    
-    eth.init(mac_addr); //Use DHCP    
+    pc.printf("잠깐만...\r\n");
+
+    uint8_t mac_addr[6] = {0x00, 0x11, 0x22, 0x11, 0xAB, 0xAB};
+    //uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x00, 0x01, 0x02};
+
+    EthernetInterface eth;
+    eth.init(mac_addr); //Use DHCP
     eth.connect();
-    
+
     pc.printf("서버주소: %s\r\n", eth.getIPAddress());
     pc.printf("서브넷 마스크: %s\r\n", eth.getNetworkMask());
     pc.printf("게이트웨이: %s\r\n", eth.getGateway());
     pc.printf("맥어드레스: %s\r\n", eth.getMACAddress());
-    
+
     TCPSocketServer server;
     server.bind(ECHO_SERVER_PORT);
     server.listen();
-    
-    while (true) 
-    {
+
+    while (true) {
         pc.printf("새로운 연결 대기중...\r\n");
         TCPSocketConnection client;
         server.accept(client);
         client.set_blocking(false, 15000); // Timeout after (1.5)s
-        
+
         pc.printf("클라이언트 연결됨: %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';
             pc.printf("클라이언트로 부터 받은 메시지:'%s'\r\n",buffer);
-            
+
             // reverse the message
             char temp;
-            for(int f = 0, l = n-1; f<l; f++,l--){
+            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
             pc.printf("클라이언트로 메시지 보냄: '%s'\r\n",buffer);
-            
+
             // Echo received message back to client
             client.send_all(buffer, n);
             if (n <= 0) break;
-        }        
+        }
         client.close();
     }
-    
+
     pc.printf("Bye Bye.\r\n");
 }