93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
|
/*
|
||
|
|
* This file is part of the sigrok project.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
|
||
|
|
*
|
||
|
|
* 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 3 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/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <glib.h>
|
||
|
|
#include <libusb.h>
|
||
|
|
#include <sigrok.h>
|
||
|
|
|
||
|
|
int opendev2(int device_index, struct sigrok_device_instance **sdi,
|
||
|
|
libusb_device *dev, struct libusb_device_descriptor *des,
|
||
|
|
int *skip, uint16_t vid, uint16_t pid, int interface)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if ((err = libusb_get_device_descriptor(dev, des))) {
|
||
|
|
g_warning("failed to get device descriptor: %d", err);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (des->idVendor != vid || des->idProduct != pid)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (*skip != device_index) {
|
||
|
|
/* Skip devices of this type that aren't the one we want. */
|
||
|
|
*skip += 1;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Should check the bus here, since we know that already. But what are
|
||
|
|
* we going to do if it doesn't match after the right number of skips?
|
||
|
|
*/
|
||
|
|
if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
|
||
|
|
(*sdi)->usb->address = libusb_get_device_address(dev);
|
||
|
|
(*sdi)->status = ST_ACTIVE;
|
||
|
|
g_message("opened device %d on %d.%d interface %d",
|
||
|
|
(*sdi)->index, (*sdi)->usb->bus,
|
||
|
|
(*sdi)->usb->address, interface);
|
||
|
|
} else {
|
||
|
|
g_warning("failed to open device: %d", err);
|
||
|
|
*sdi = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int opendev3(struct sigrok_device_instance **sdi, libusb_device *dev,
|
||
|
|
struct libusb_device_descriptor *des,
|
||
|
|
uint16_t vid, uint16_t pid, int interface)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if ((err = libusb_get_device_descriptor(dev, des))) {
|
||
|
|
g_warning("failed to get device descriptor: %d", err);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (des->idVendor != vid || des->idProduct != pid)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
|
||
|
|
&& libusb_get_device_address(dev) == (*sdi)->usb->address) {
|
||
|
|
/* Found it. */
|
||
|
|
if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
|
||
|
|
(*sdi)->status = ST_ACTIVE;
|
||
|
|
g_message("opened device %d on %d.%d interface %d",
|
||
|
|
(*sdi)->index, (*sdi)->usb->bus,
|
||
|
|
(*sdi)->usb->address, interface);
|
||
|
|
} else {
|
||
|
|
g_warning("failed to open device: %d", err);
|
||
|
|
*sdi = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|