Stephen Dickey / Mbed 2 deprecated C027_EthernetSniffTest

This performs an ethernet sniff test. Copied from an existing ethernet sniff test and updated to work properly with the LISA, supporting output of content to the USB console. See also: http://mbed.org/users/rolf/code/ethsnif/

Dependencies:   C027-REVB mbed

Fork of ethsnif by Rolf Meyer

main.cpp

Committer:
dixter1
Date:
2013-12-14
Revision:
1:a7a52d202638
Parent:
0:29e2df9de9f1

File content as of revision 1:a7a52d202638:

#include "mbed.h"
#include "C027.h"
#include "Ethernet.h"
#include "hexview.h"

using namespace mbed;

DigitalOut led4(LED);

Ethernet eth;
Serial pc(USBTX, USBRX);

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) {
    pc.printf("Destination:  %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
            buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
    pc.printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
            buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
  
    pc.printf("Type %hd\n\r", htons((short)buf[12]));
    
    hexview(buf, size);
}


int main() {
    char buffer[0x600];
    int size = 0;
    int led_toggle_count = 5;
    
 #if 0
    while(1) {
        led4 = !led4;
        wait(0.2);
    }
#else
    while( led_toggle_count-- > 0 )
    {
        led4 = !led4;
        wait(0.2);
    }
#endif

   // open the PC serial port and (use the same baudrate)
    pc.baud(MDMBAUD);
    
    pc.printf( "Start ETHERNET Sniff Testing\n\r");
    
    while(1) {
        if((size = eth.receive()) != 0) {
            led4=!led4;
            eth.read(buffer, size);
            show(buffer, size);
        }
    }
}