main.cpp

00001 #include "mbed.h"
00002 #include "C027.h"
00003 #include "Ethernet.h"
00004 #include "hexview.h"
00005 
00006 using namespace mbed;
00007 
00008 DigitalOut led4(LED);
00009 
00010 Ethernet eth;
00011 Serial pc(USBTX, USBRX);
00012 
00013 unsigned short htons(unsigned short n) {               // Host short to network shor
00014   return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);      // Byte swapping
00015 }
00016 
00017 void show(char *buf, int size) {
00018     pc.printf("Destination:  %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
00019             buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
00020     pc.printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
00021             buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
00022   
00023     pc.printf("Type %hd\n\r", htons((short)buf[12]));
00024     
00025     hexview(buf, size);
00026 }
00027 
00028 
00029 int main() {
00030     char buffer[0x600];
00031     int size = 0;
00032     int led_toggle_count = 5;
00033     
00034  #if 0
00035     while(1) {
00036         led4 = !led4;
00037         wait(0.2);
00038     }
00039 #else
00040     while( led_toggle_count-- > 0 )
00041     {
00042         led4 = !led4;
00043         wait(0.2);
00044     }
00045 #endif
00046 
00047    // open the PC serial port and (use the same baudrate)
00048     pc.baud(MDMBAUD);
00049     
00050     pc.printf( "Start ETHERNET Sniff Testing\n\r");
00051     
00052     while(1) {
00053         if((size = eth.receive()) != 0) {
00054             led4=!led4;
00055             eth.read(buffer, size);
00056             show(buffer, size);
00057         }
00058     }
00059 }