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/*
* xusb: libusb-winusb specific test program, (c) 2009 Pete Batard
* based on lsusb, copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
*
* This test program tries to access an USB device through WinUSB.
* To access your device, change VID/PID.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <sys/types.h>
#include <inttypes.h>
#include <libusb/libusb.h>
#define perr(...) fprintf(stderr, __VA_ARGS__)
#define ERR_EXIT(errcode) do { perr(" libusb error: %d\n", errcode); return -1; } while (0)
#define CALL_CHECK(fcall) do { r=fcall; if (r < 0) ERR_EXIT(r); } while (0);
//#define USE_MOUSE
//#define USE_XBOX
#define USE_JTAG
#ifdef USE_MOUSE
// Logitech optical mouse
#define VID 0x046D
#define PID 0xC03E
#endif
#ifdef USE_XBOX
// Microsoft XBox Controller
#define VID 0x045E
#define PID 0x0289
#endif
#ifdef USE_KEY
// 2 GB Usb key
#define VID 0x0204
#define PID 0x6025
#endif
#ifdef USE_JTAG
// OLIMEX ARM-USB-TINY, 2 channel composite device
#define VID 0x15BA
#define PID 0x0004
#endif
static void print_devs(libusb_device **devs)
{
libusb_device *dev;
int i = 0;
while ((dev = devs[i++]) != NULL) {
struct libusb_device_descriptor desc;
int r = libusb_get_device_descriptor(dev, &desc);
if (r < 0) {
perr("failed to get device descriptor\n");
return;
}
printf("%04x:%04x (bus %d, device %d)\n",
desc.idVendor, desc.idProduct,
libusb_get_bus_number(dev), libusb_get_device_address(dev));
}
}
int test_device(uint16_t vid, uint16_t pid)
{
libusb_device_handle *handle;
int r;
int iface = 1;
printf("Opening device...\n");
handle = libusb_open_device_with_vid_pid(NULL, vid, pid);
if (handle == NULL) {
perr(" failed.\n");
return -1;
}
printf("Claiming interface %d...\n", iface);
r = libusb_claim_interface(handle, iface);
if (r != LIBUSB_SUCCESS) {
// Maybe we need to detach the driver
perr("failed. Trying to detach driver...\n");
CALL_CHECK(libusb_detach_kernel_driver(handle, iface));
printf("Claiming interface again...\n");
CALL_CHECK(libusb_claim_interface(handle, iface));
}
char string[128];
printf("Retieving string descriptor...\n");
CALL_CHECK(libusb_get_string_descriptor_ascii(handle, 3, string, 128));
printf("Got string: \"%s\"\n", string);
printf("Releasing interface...\n");
CALL_CHECK(libusb_release_interface(handle, iface));
printf("Closing device...\n");
libusb_close(handle);
return 0;
}
int main(void)
{
libusb_device **devs;
int r;
ssize_t cnt;
r = libusb_init(NULL);
if (r < 0)
return r;
/*
cnt = libusb_get_device_list(NULL, &devs);
if (cnt < 0)
return (int) cnt;
*/
// print_devs(devs);
test_device(VID, PID);
// libusb_free_device_list(devs, 1);
libusb_exit(NULL);
return 0;
}
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