Lauscher.cpp
From ThorstensHome
Mit diesem Beispiel kann ein 5V Bus belauscht werden:
/*
* lauscher.c (c) 2013 by Thorsten Staerk, www.staerk.de/thorsten
*
* This program allows you to listen to a USB wire. Just connect it to DTS
* of an ftdi chip
*
* Compile with
* gcc -lftdi lauscher.c
*/
#include <stdio.h>
#include <ftdi.h>
int main()
{
int result=0;
struct ftdi_context context1;
if (ftdi_init(&context1) >= 0)
{
if (ftdi_usb_open(&context1, 0x0403, 0x6001) >= 0) // ft232r
{
while (1)
{
unsigned char buf;
printf("%d\n",ftdi_read_pins (&context1, &buf));
printf("%d\n",buf);
}
if (ftdi_usb_close(&context1) < 0) result = EXIT_FAILURE;
}
else result = EXIT_FAILURE;
}
else result = EXIT_FAILURE;
if (result) fprintf(stderr, "Fehler: %s\n", ftdi_get_error_string(&context1));
return result;
}
