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@1:a7a52d202638, 2013-12-14 (annotated)

Committer:
dixter1
Date:
Sat Dec 14 00:53:08 2013 +0000
Revision:
1:a7a52d202638
Parent:
0:29e2df9de9f1 
First Version C027 Ethernet Sniff Test to Validate Ethernet Capability.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rolf 0:29e2df9de9f1 1 #include "mbed.h"
dixter1 1:a7a52d202638 2 #include "C027.h"
rolf 0:29e2df9de9f1 3 #include "Ethernet.h"
rolf 0:29e2df9de9f1 4 #include "hexview.h"
rolf 0:29e2df9de9f1 5
rolf 0:29e2df9de9f1 6 using namespace mbed;
rolf 0:29e2df9de9f1 7
dixter1 1:a7a52d202638 8 DigitalOut led4(LED);
rolf 0:29e2df9de9f1 9
rolf 0:29e2df9de9f1 10 Ethernet eth;
dixter1 1:a7a52d202638 11 Serial pc(USBTX, USBRX);
rolf 0:29e2df9de9f1 12
rolf 0:29e2df9de9f1 13 unsigned short htons(unsigned short n) { // Host short to network shor
rolf 0:29e2df9de9f1 14 return ((n & 0xff) << 8) | ((n & 0xff00) >> 8); // Byte swapping
rolf 0:29e2df9de9f1 15 }
rolf 0:29e2df9de9f1 16
rolf 0:29e2df9de9f1 17 void show(char *buf, int size) {
dixter1 1:a7a52d202638 18 pc.printf("Destination: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
rolf 0:29e2df9de9f1 19 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
dixter1 1:a7a52d202638 20 pc.printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n\r",
rolf 0:29e2df9de9f1 21 buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
rolf 0:29e2df9de9f1 22
dixter1 1:a7a52d202638 23 pc.printf("Type %hd\n\r", htons((short)buf[12]));
rolf 0:29e2df9de9f1 24
rolf 0:29e2df9de9f1 25 hexview(buf, size);
rolf 0:29e2df9de9f1 26 }
rolf 0:29e2df9de9f1 27
rolf 0:29e2df9de9f1 28
rolf 0:29e2df9de9f1 29 int main() {
rolf 0:29e2df9de9f1 30 char buffer[0x600];
rolf 0:29e2df9de9f1 31 int size = 0;
dixter1 1:a7a52d202638 32 int led_toggle_count = 5;
dixter1 1:a7a52d202638 33
dixter1 1:a7a52d202638 34 #if 0
dixter1 1:a7a52d202638 35 while(1) {
dixter1 1:a7a52d202638 36 led4 = !led4;
dixter1 1:a7a52d202638 37 wait(0.2);
dixter1 1:a7a52d202638 38 }
dixter1 1:a7a52d202638 39 #else
dixter1 1:a7a52d202638 40 while( led_toggle_count-- > 0 )
dixter1 1:a7a52d202638 41 {
dixter1 1:a7a52d202638 42 led4 = !led4;
dixter1 1:a7a52d202638 43 wait(0.2);
dixter1 1:a7a52d202638 44 }
dixter1 1:a7a52d202638 45 #endif
dixter1 1:a7a52d202638 46
dixter1 1:a7a52d202638 47 // open the PC serial port and (use the same baudrate)
dixter1 1:a7a52d202638 48 pc.baud(MDMBAUD);
dixter1 1:a7a52d202638 49
dixter1 1:a7a52d202638 50 pc.printf( "Start ETHERNET Sniff Testing\n\r");
rolf 0:29e2df9de9f1 51
rolf 0:29e2df9de9f1 52 while(1) {
rolf 0:29e2df9de9f1 53 if((size = eth.receive()) != 0) {
dixter1 1:a7a52d202638 54 led4=!led4;
rolf 0:29e2df9de9f1 55 eth.read(buffer, size);
rolf 0:29e2df9de9f1 56 show(buffer, size);
rolf 0:29e2df9de9f1 57 }
rolf 0:29e2df9de9f1 58 }
rolf 0:29e2df9de9f1 59 }