+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
- * *
- * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.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 2 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, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "log.h"
-#include "libusb1_common.h"
-
-static struct libusb_context *jtag_libusb_context; /**< Libusb context **/
-static libusb_device **devs; /**< The usb device list **/
-
-static bool jtag_libusb_match(struct jtag_libusb_device *dev,
- const uint16_t vids[], const uint16_t pids[])
-{
- struct libusb_device_descriptor dev_desc;
-
- for (unsigned i = 0; vids[i] && pids[i]; i++) {
- if (libusb_get_device_descriptor(dev, &dev_desc) == 0) {
- if (dev_desc.idVendor == vids[i] &&
- dev_desc.idProduct == pids[i])
- return true;
- }
- }
- return false;
-}
-
-int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
- struct jtag_libusb_device_handle **out)
-{
- int cnt, idx, errCode;
-
- if (libusb_init(&jtag_libusb_context) < 0)
- return -ENODEV;
-
- libusb_set_debug(jtag_libusb_context, 3);
-
- cnt = libusb_get_device_list(jtag_libusb_context, &devs);
-
- for (idx = 0; idx < cnt; idx++) {
- if (!jtag_libusb_match(devs[idx], vids, pids))
- continue;
-
- errCode = libusb_open(devs[idx], out);
-
- /** Free the device list **/
- libusb_free_device_list(devs, 1);
-
- if (errCode < 0)
- return errCode;
- return 0;
- }
- return -ENODEV;
-}
-
-void jtag_libusb_close(jtag_libusb_device_handle *dev)
-{
- /* Close device */
- jtag_libusb_close(dev);
-
- libusb_exit(jtag_libusb_context);
-}
-
-int jtag_libusb_bulk_write(jtag_libusb_device_handle *dev, int ep, char *bytes,
- int size, int timeout)
-{
- int transferred = 0;
-
- libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
- &transferred, timeout);
- return transferred;
-}
-
-int jtag_libusb_bulk_read(jtag_libusb_device_handle *dev, int ep, char *bytes,
- int size, int timeout)
-{
- int transferred = 0;
-
- libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
- &transferred, timeout);
- return transferred;
-}
-
-int jtag_libusb_set_configuration(jtag_libusb_device_handle *devh,
- int configuration)
-{
- struct jtag_libusb_device *udev = jtag_libusb_get_device(devh);
- int retCode = -99;
-
- struct libusb_config_descriptor *config = NULL;
-
- libusb_get_config_descriptor(udev, configuration, &config);
- retCode = libusb_set_configuration(devh, config->bConfigurationValue);
-
- libusb_free_config_descriptor(config);
-
- return retCode;
-}
-
-int jtag_libusb_get_endpoints(struct jtag_libusb_device *udev,
- unsigned int *usb_read_ep,
- unsigned int *usb_write_ep)
-{
- const struct libusb_interface *inter;
- const struct libusb_interface_descriptor *interdesc;
- const struct libusb_endpoint_descriptor *epdesc;
- struct libusb_config_descriptor *config;
-
- libusb_get_config_descriptor(udev, 0, &config);
- for (int i = 0; i < (int)config->bNumInterfaces; i++) {
- inter = &config->interface[i];
-
- for (int j = 0; j < inter->num_altsetting; j++) {
- interdesc = &inter->altsetting[j];
- for (int k = 0;
- k < (int)interdesc->bNumEndpoints; k++) {
- epdesc = &interdesc->endpoint[k];
-
- uint8_t epnum = epdesc->bEndpointAddress;
- bool is_input = epnum & 0x80;
- LOG_DEBUG("usb ep %s %02x",
- is_input ? "in" : "out", epnum);
-
- if (is_input)
- *usb_read_ep = epnum;
- else
- *usb_write_ep = epnum;
- }
- }
- }
- libusb_free_config_descriptor(config);
-
- return 0;
-}