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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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;