Stanly Chen / Mbed OS K64-UDP-Socket

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Files at this revision

API Documentation at this revision

Revision 1:8bbcb6a6ca18, committed 2019-04-02

Comitter:
stanly88
Date:
Tue Apr 02 07:12:05 2019 +0000
Parent:
0:cf516d904427
Commit message:
K64F use static IP, broadcast UDP

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r cf516d904427 -r 8bbcb6a6ca18 main.cpp
--- a/main.cpp	Mon Oct 23 21:26:36 2017 +0000
+++ b/main.cpp	Tue Apr 02 07:12:05 2019 +0000
@@ -13,6 +13,13 @@
 int main() {
     // Bring up the ethernet interface
     printf("UDP Socket example\n");
+    if( NSAPI_ERROR_OK != net.set_network("192.168.0.119",//Static IP
+                    "255.255.255.0", //NetMask                    
+                    "192.168.0.1") )//  gateway )
+    {
+        printf("Static IP setting Error\n");
+    }
+    
     if(0 != net.connect()) {
         printf("Error connecting\n");
         return -1;
@@ -25,7 +32,9 @@
     UDPSocket sock(&net);
     SocketAddress sockAddr;
  
+    /*
     char out_buffer[] = "time";
+    
     if(0 > sock.sendto("time.nist.gov", 37, out_buffer, sizeof(out_buffer))) {
         printf("Error sending data\n");
         return -1;
@@ -44,5 +53,22 @@
     // Close the socket and bring down the network interface
     sock.close();
     net.disconnect();
+    */
+    
+    char out_buffer[40];
+    int sendCnt = 0;
+    while(1)
+    {
+        sprintf(out_buffer,"Tx:%d\r\n", ++sendCnt);
+        if(0 > sock.sendto("192.168.0.255", 2000, out_buffer, strlen(out_buffer)))
+        {
+            printf("Error sending data\n");
+            break;
+        }
+        printf(out_buffer);
+        wait(0.5);
+    }
+    sock.close();
+    net.disconnect();
     return 0;
 }
\ No newline at end of file