1 /***************************************************************************
2 * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
4 * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.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 2 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, write to the *
18 * Free Software Foundation, Inc., *
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
20 ***************************************************************************/
26 #include "libusb0_common.h"
28 static bool jtag_libusb_match(struct jtag_libusb_device
*dev
,
29 const uint16_t vids
[], const uint16_t pids
[])
31 for (unsigned i
= 0; vids
[i
]; i
++) {
32 if (dev
->descriptor
.idVendor
== vids
[i
] &&
33 dev
->descriptor
.idProduct
== pids
[i
]) {
40 int jtag_libusb_open(const uint16_t vids
[], const uint16_t pids
[],
41 struct jtag_libusb_device_handle
**out
)
48 struct usb_bus
*busses
= usb_get_busses();
49 for (struct usb_bus
*bus
= busses
; bus
; bus
= bus
->next
) {
50 for (struct usb_device
*dev
= bus
->devices
;
51 dev
; dev
= dev
->next
) {
52 if (!jtag_libusb_match(dev
, vids
, pids
))
64 void jtag_libusb_close(jtag_libusb_device_handle
*dev
)
70 int jtag_libusb_control_transfer(jtag_libusb_device_handle
*dev
, uint8_t requestType
,
71 uint8_t request
, uint16_t wValue
, uint16_t wIndex
, char *bytes
,
72 uint16_t size
, unsigned int timeout
)
76 transferred
= usb_control_msg(dev
, requestType
, request
, wValue
, wIndex
,
77 bytes
, size
, timeout
);
85 int jtag_libusb_bulk_write(jtag_libusb_device_handle
*dev
, int ep
, char *bytes
,
86 int size
, int timeout
)
88 return usb_bulk_write(dev
, ep
, bytes
, size
, timeout
);
91 int jtag_libusb_bulk_read(jtag_libusb_device_handle
*dev
, int ep
, char *bytes
,
92 int size
, int timeout
)
94 return usb_bulk_read(dev
, ep
, bytes
, size
, timeout
);
97 int jtag_libusb_set_configuration(jtag_libusb_device_handle
*devh
,
100 struct jtag_libusb_device
*udev
= jtag_libusb_get_device(devh
);
102 return usb_set_configuration(devh
,
103 udev
->config
[configuration
].bConfigurationValue
);
106 int jtag_libusb_get_endpoints(struct jtag_libusb_device
*udev
,
107 unsigned int *usb_read_ep
,
108 unsigned int *usb_write_ep
)
110 struct usb_interface
*iface
= udev
->config
->interface
;
111 struct usb_interface_descriptor
*desc
= iface
->altsetting
;
113 for (int i
= 0; i
< desc
->bNumEndpoints
; i
++) {
114 uint8_t epnum
= desc
->endpoint
[i
].bEndpointAddress
;
115 bool is_input
= epnum
& 0x80;
116 LOG_DEBUG("usb ep %s %02x", is_input
? "in" : "out", epnum
);
118 *usb_read_ep
= epnum
;
120 *usb_write_ep
= epnum
;