Revision 2:01b03970605d, committed 2019-07-03

Comitter:

JohnnyK

Date:

Wed Jul 03 05:41:00 2019 +0000

Parent:

1:9c712ebb90d3

Child:

3:9ab431fc54e2

Commit message:

Rework - switch between auto IP or Static IP via definition ROUTER

Changed in this revision

--- a/main.cpp	Sun May 05 16:17:26 2019 +0000
+++ b/main.cpp	Wed Jul 03 05:41:00 2019 +0000
@@ -1,8 +1,16 @@
-#include "mbed.h" //MbedOS 5.12.2
+#include "mbed.h" //MbedOS 5.13
 #include "EthernetInterface.h" 
 
-#define ADDRESS "10.0.1.14" //Here place IP of your PC
-#define PORT 20
+#define ADDRESS "192.168.1.10" //Here place IP of your PC. Run cmd.exe and write command ipconfig
+#define LOCALPORT         20
+#define REMOTEPORT      2000
+
+#define ROUTER
+#ifndef ROUTER
+    #define IP         "192.168.1.1"
+    #define GATEWAY    "0.0.0.0"
+    #define MASK       "255.255.255.0"
+#endif
 
 Thread thread;
 DigitalOut led1(LED1);
@@ -11,17 +19,27 @@
 void udpEcho(){
     EthernetInterface eth;
     UDPSocket sock; 
-    SocketAddress addr(0,PORT);
-    eth.connect(); 
+    SocketAddress addr(0,LOCALPORT);
+    int eth_stat;
+#ifndef ROUTER
+    eth.disconnect();
+    eth_stat = eth.set_network(IP,MASK,GATEWAY);
+    printf("set IP status: %i\n",eth_stat);
+#endif
+    eth_stat = eth.connect();
+    printf("connect status: %i\n",eth_stat);
     const char *ip = eth.get_ip_address();
+    const char *mac = eth.get_mac_address();
+    printf("MAC address is: %s\n", mac ? mac : "No MAC");
+    printf("IP address is: %s\n", ip ? ip : "No IP");
     // Check ip
-    if(ip){ 
-        printf("IP address is: %s\n", ip);
+    if(ip){// Check ip
         sock.open(&eth);
-        sock.bind(PORT);
+        sock.bind(LOCALPORT);
+        printf("Listen on local port: %d and send to remote port %d\n", LOCALPORT, REMOTEPORT);
         char buffer[] = "Hello World, UDP Echo server"; 
         printf("Sending message '%s' to server (%s)\n",buffer,ip); 
-        sock.sendto(ADDRESS, PORT, buffer, sizeof(buffer));
+        sock.sendto(ADDRESS, REMOTEPORT, buffer, sizeof(buffer));
         printf("Waiting for message...\n");
         
         while(1) {
@@ -34,7 +52,8 @@
             n = sprintf(out_buffer,"Echo - %s", in_buffer);
             out_buffer[n] = '\0';
             printf("Send back: %s\n", out_buffer);
-            sock.sendto(addr.get_ip_address(),PORT , out_buffer, sizeof(out_buffer));
+            sock.sendto(addr.get_ip_address(), REMOTEPORT, out_buffer, sizeof(out_buffer));
+            printf("IP address is: %s\n", addr.get_ip_address());
             led2 =! led2;
         } 
         /*sock.close();

--- a/mbed-os.lib	Sun May 05 16:17:26 2019 +0000
+++ b/mbed-os.lib	Wed Jul 03 05:41:00 2019 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#cfa7938a4dd6d1a4c501945b9c26ca68f70e284e
+https://github.com/ARMmbed/mbed-os/#54b94ec68c1161b8d0443a068153e93970eebee7