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/>.
23 #ifdef HAVE_LIBUSB_1_0
27 #include <sigrok-internal.h>
29 #ifdef HAVE_LIBUSB_1_0
31 int opendev2(int device_index, struct sr_device_instance **sdi,
32 libusb_device *dev, struct libusb_device_descriptor *des,
33 int *skip, uint16_t vid, uint16_t pid, int interface)
37 if ((err = libusb_get_device_descriptor(dev, des))) {
38 sr_warn("failed to get device descriptor: %d", err);
42 if (des->idVendor != vid || des->idProduct != pid)
45 if (*skip != device_index) {
46 /* Skip devices of this type that aren't the one we want. */
52 * Should check the bus here, since we know that already. But what are
53 * we going to do if it doesn't match after the right number of skips?
55 if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
56 (*sdi)->usb->address = libusb_get_device_address(dev);
57 (*sdi)->status = SR_ST_ACTIVE;
58 sr_info("opened device %d on %d.%d interface %d",
59 (*sdi)->index, (*sdi)->usb->bus,
60 (*sdi)->usb->address, interface);
62 sr_warn("failed to open device: %d", err);
69 int opendev3(struct sr_device_instance **sdi, libusb_device *dev,
70 struct libusb_device_descriptor *des,
71 uint16_t vid, uint16_t pid, int interface)
75 if ((err = libusb_get_device_descriptor(dev, des))) {
76 sr_warn("failed to get device descriptor: %d", err);
80 if (des->idVendor != vid || des->idProduct != pid)
83 if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
84 && libusb_get_device_address(dev) == (*sdi)->usb->address) {
86 if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
87 (*sdi)->status = SR_ST_ACTIVE;
88 sr_info("opened device %d on %d.%d interface %d",
89 (*sdi)->index, (*sdi)->usb->bus,
90 (*sdi)->usb->address, interface);
92 sr_warn("failed to open device: %d", err);