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/***************************************************************************
* 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#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;
}
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