Diff: main.cpp

Revision:

0:29e2df9de9f1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 04 12:24:03 2009 +0000
@@ -0,0 +1,61 @@
+#include "mbed.h"
+#include "Ethernet.h"
+#include "hexview.h"
+
+using namespace mbed;
+
+DigitalOut led4(LED4);
+
+Ethernet eth;
+
+/*
+__packed struct eth {
+    unsigned char    dst[6];
+    unsigned char    src[6];
+    unsigned short   type;
+};
+
+void show(char *buffer, int size) {
+    eth *e = (eth *)buffer;
+    printf("Destination:  %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+            e->dst[0], e->dst[1], e->dst[2], e->dst[3], e->dst[4], e->dst[5]);
+    printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+            e->src[0], e->src[1], e->src[2], e->src[3], e->src[4], e->src[5]);
+  
+    printf("Type %hd\n", eth->type);
+    hexview(buffer, size);
+}
+*/
+
+unsigned short htons(unsigned short n) {               // Host short to network shor
+  return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);      // Byte swapping
+}
+
+void show(char *buf, int size) {
+    printf("Destination:  %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+            buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+    printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+            buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
+  
+    printf("Type %hd\n", htons((short)buf[12]));
+    
+    hexview(buf, size);
+}
+
+
+int main() {
+    char buffer[0x600];
+    int size = 0;
+    
+    while(1) {
+        if((size = eth.receive()) != 0) {
+            eth.read(buffer, size);
+            show(buffer, size);
+        }
+        
+        led4 = 1;
+        wait(0.2);
+        led4 = 0;
+        wait(0.2);
+    }
+}