58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/***************************************************************************
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* Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "usb_common.h"
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#include "log.h"
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static bool jtag_usb_match(struct usb_device *dev,
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const uint16_t vids[], const uint16_t pids[])
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{
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for (unsigned i = 0; vids[i] && pids[i]; i++) {
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if (dev->descriptor.idVendor == vids[i] &&
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dev->descriptor.idProduct == pids[i])
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return true;
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}
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return false;
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}
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int jtag_usb_open(const uint16_t vids[], const uint16_t pids[],
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struct usb_dev_handle **out)
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{
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usb_find_busses();
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usb_find_devices();
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struct usb_bus *busses = usb_get_busses();
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for (struct usb_bus *bus = busses; bus; bus = bus->next) {
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for (struct usb_device *dev = bus->devices; dev; dev = dev->next) {
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if (!jtag_usb_match(dev, vids, pids))
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continue;
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*out = usb_open(dev);
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if (NULL == *out) {
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LOG_ERROR("usb_open() failed with %s", usb_strerror());
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return ERROR_FAIL;
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}
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return ERROR_OK;
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}
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}
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return ERROR_FAIL;
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}
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