62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/***************************************************************************
|
|
* Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program 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 General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the *
|
|
* Free Software Foundation, Inc., *
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
|
***************************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
#include "usb_common.h"
|
|
|
|
|
|
static bool jtag_usb_match(struct usb_device *dev,
|
|
const uint16_t vids[], const uint16_t pids[])
|
|
{
|
|
for (unsigned i = 0; vids[i] && pids[i]; i++)
|
|
{
|
|
if (dev->descriptor.idVendor == vids[i] &&
|
|
dev->descriptor.idProduct == pids[i])
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int jtag_usb_open(const uint16_t vids[], const uint16_t pids[],
|
|
struct usb_dev_handle **out)
|
|
{
|
|
usb_find_busses();
|
|
usb_find_devices();
|
|
|
|
struct usb_bus *busses = usb_get_busses();
|
|
for (struct usb_bus *bus = busses; bus; bus = bus->next)
|
|
{
|
|
for (struct usb_device *dev = bus->devices; dev; dev = dev->next)
|
|
{
|
|
if (!jtag_usb_match(dev, vids, pids))
|
|
continue;
|
|
|
|
*out = usb_open(dev);
|
|
if (NULL == *out)
|
|
return -errno;
|
|
return 0;
|
|
}
|
|
}
|
|
return -ENODEV;
|
|
}
|