2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 int opendev2(int device_index, struct sr_device_instance **sdi,
26 libusb_device *dev, struct libusb_device_descriptor *des,
27 int *skip, uint16_t vid, uint16_t pid, int interface)
31 if ((err = libusb_get_device_descriptor(dev, des))) {
32 g_warning("failed to get device descriptor: %d", err);
36 if (des->idVendor != vid || des->idProduct != pid)
39 if (*skip != device_index) {
40 /* Skip devices of this type that aren't the one we want. */
46 * Should check the bus here, since we know that already. But what are
47 * we going to do if it doesn't match after the right number of skips?
49 if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
50 (*sdi)->usb->address = libusb_get_device_address(dev);
51 (*sdi)->status = SR_ST_ACTIVE;
52 g_message("opened device %d on %d.%d interface %d",
53 (*sdi)->index, (*sdi)->usb->bus,
54 (*sdi)->usb->address, interface);
56 g_warning("failed to open device: %d", err);
63 int opendev3(struct sr_device_instance **sdi, libusb_device *dev,
64 struct libusb_device_descriptor *des,
65 uint16_t vid, uint16_t pid, int interface)
69 if ((err = libusb_get_device_descriptor(dev, des))) {
70 g_warning("failed to get device descriptor: %d", err);
74 if (des->idVendor != vid || des->idProduct != pid)
77 if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
78 && libusb_get_device_address(dev) == (*sdi)->usb->address) {
80 if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
81 (*sdi)->status = SR_ST_ACTIVE;
82 g_message("opened device %d on %d.%d interface %d",
83 (*sdi)->index, (*sdi)->usb->bus,
84 (*sdi)->usb->address, interface);
86 g_warning("failed to open device: %d", err);