jtag: only change state if necessary
[openocd.git] / src / jtag / drivers / libusb1_common.h
blobb38fe669c4ad61f5dd38d169b328a34f1d0e9a36
1 /***************************************************************************
2 * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
3 * *
4 * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
5 * *
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 2 of the License, or *
9 * (at your option) any later version. *
10 * *
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. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
20 ***************************************************************************/
22 #ifndef JTAG_LIBUSB_COMMON_H
23 #define JTAG_LIBUSB_COMMON_H
25 #include <libusb-1.0/libusb.h>
27 #define jtag_libusb_device libusb_device
28 #define jtag_libusb_device_handle libusb_device_handle
29 #define jtag_libusb_device_descriptor libusb_device_descriptor
30 #define jtag_libusb_interface libusb_interface
31 #define jtag_libusb_interface_descriptor libusb_interface_descriptor
32 #define jtag_libusb_endpoint_descriptor libusb_endpoint_descriptor
33 #define jtag_libusb_config_descriptor libusb_config_descriptor
35 #define jtag_libusb_reset_device(dev) libusb_reset_device(dev)
36 #define jtag_libusb_get_device(devh) libusb_get_device(devh)
38 static inline int jtag_libusb_claim_interface(jtag_libusb_device_handle *devh,
39 int iface)
41 return libusb_claim_interface(devh, iface);
44 int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
45 struct jtag_libusb_device_handle **out);
46 void jtag_libusb_close(jtag_libusb_device_handle *dev);
47 int jtag_libusb_bulk_write(struct jtag_libusb_device_handle *dev, int ep,
48 char *bytes, int size, int timeout);
49 int jtag_libusb_bulk_read(struct jtag_libusb_device_handle *dev, int ep,
50 char *bytes, int size, int timeout);
51 int jtag_libusb_set_configuration(jtag_libusb_device_handle *devh,
52 int configuration);
53 int jtag_libusb_get_endpoints(struct jtag_libusb_device *udev,
54 unsigned int *usb_read_ep,
55 unsigned int *usb_write_ep);
57 #endif /* JTAG_USB_COMMON_H */