Diff: main.cpp

Revision:

8:e500ff7ddcaf

Parent:

7:59a37ccd06ef

Child:

9:264e9d879cf5

--- a/main.cpp	Mon Nov 23 13:28:40 2020 +0000
+++ b/main.cpp	Sun Jan 17 20:11:12 2021 +0000
@@ -15,17 +15,17 @@
 
 #define REMOTE_PORT 5001    // The port numbers the other way round
 #define LOCAL_PORT 5000     // than in the "Round Trip Delay"
-#define BUFF_SIZE 128
+#define BUFF_SIZE 128  // test with 32, 128, 512, etc
 
 //Network interface
 EthernetInterface net;
 
 //Threads
     Thread recv_thread;
-    Thread send_thread; 
+//    Thread send_thread; 
     
 // UDP
-uint8_t ip[4] = {192, 168, 1, 104};
+uint8_t ip[4] = {192, 168, 1, 10};       // The remote IP address
 SocketAddress clientUDP(ip, NSAPI_IPv4); // The remote device
 UDPSocket serverUDP;   // UDP server in this device
 
@@ -54,6 +54,8 @@
     printf("\nEcho for the Round Trip Delay application (using Ethernet)\r\n");
 
     //Bring up the network interface
+    //eth.set_network(IP_Adress,GATEWAY,MASK);
+    net.set_network("192.168.1.12","192.168.1.1","255.255.252.0");
     net.connect();
     
     // Show network address
@@ -71,7 +73,7 @@
     recv_thread.start(udpReceive);
     printf("Listening has been started at port number %d\n", LOCAL_PORT);
     
-    send_thread.start(udpSend);
+    //send_thread.start(udpSend);
     printf("Sending out \"Echo\" data to port number %d", REMOTE_PORT);
     printf(" will be armed for triggering by pushing Blue button.\n");
     printf("The IP is taken from the incoming message \n");
@@ -84,34 +86,35 @@
         led2.write(1);
         armedFor.reset();   // reset timer to zero
         armedFor.start();
-        snprintf(out_data, BUFF_SIZE, "Echo -server listening" );
+        snprintf(out_data, BUFF_SIZE, "Echo -server listening for 8 sec" );
         clientUDP.set_port(REMOTE_PORT);
-        udpSend();  
+        udpSend();
+         
         snprintf(out_data, BUFF_SIZE, "Echo" );
         
-        // Start polling for the incomening "Echo" UDP datagram   
+        // Start polling for the incoming "Echo" UDP datagram   
         while ( armedFor.elapsed_time().count() < 8000000 ){
             if((newDatagram == 1)&&(newDatagram != newDatagramOld)){
                 char firstChar;
                 firstChar = in_data[0];
                 if (firstChar == 85){    // ASCII symbol 85 = "U" for the incoming
                     udpSend();      // Sending out first and then printing!
-                    printf( "firstChar: %s\n", &firstChar);
-                    }
-                for (int k =0; k < BUFF_SIZE; k++){
-                    in_data[k] = 0;
-                    }  
+                    //printf( "firstChar: %s\n", &firstChar);
+                    } 
             }
             newDatagramOld = newDatagram; //Sending the "Echo" once only.  
+            newDatagram = 0; 
         }
     }
-    newDatagram = 0;
     sw2old = sw2state; // Once only with pushing the button as long as you like.
     led2.write(0);
     armedFor.stop();    // Stop the "armed for" if did not receive the request.
+    for (int k =0; k < BUFF_SIZE; k++){
+                    in_data[k] = 0;
+                    }
 
-    printf("\nWe stopped sending more UDP packets to the server.\nYou can unplug your device!\n");
-    ThisThread::sleep_for(4000ms);
+    //printf("\nIn sleep mode for one \n");
+    ThisThread::sleep_for(1000ms);
     }
 }
 
@@ -124,12 +127,12 @@
     while(1) {
         bytes = serverUDP.recvfrom(&clientUDP, &in_data, BUFF_SIZE);
         newDatagram = 1;    // set this before using time for printing
+        ThisThread::sleep_for(100ms);
         printf("\n");
         printf("bytes received: %d\n",bytes);
         printf("string: %s\n",in_data);
         printf("client address: %s\n", clientUDP.get_ip_address());
         printf("\n");
-
         }
 }
 
@@ -142,6 +145,5 @@
         serverUDP.sendto(clientUDP, out_data, sizeof(out_data));
         printf("Sending out: %s\n", out_data);
         printf("with %d" , sizeof(out_data));
-        printf(" data bytes in UDP datagram\n");
-        
-}
+        printf(" data bytes in UDP datagram\n");   
+}
\ No newline at end of file