mirror of https://gerrit.osmocom.org/simtrace2
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/* simtrace2_usb - host PC application to list found SIMtrace 2 USB devices
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*
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* (C) 2016 by Harald Welte <hwelte@hmw-consulting.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/usb/libusb.h>
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#include <osmocom/simtrace2/simtrace_usb.h>
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#include <osmocom/simtrace2/usb_util.h>
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static int find_devices(void)
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{
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struct usb_interface_match ifm[16];
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int rc, i, num_interfaces;
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/* scan for USB devices matching SIMtrace USB ID with proprietary class */
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rc = osmo_libusb_find_matching_interfaces(NULL, osmo_st2_compatible_dev_ids,
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USB_CLASS_PROPRIETARY, -1, -1, ifm, ARRAY_SIZE(ifm));
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printf("USB matches: %d\n", rc);
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if (rc < 0)
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return rc;
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num_interfaces = rc;
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for (i = 0; i < num_interfaces; i++) {
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struct usb_interface_match *m = &ifm[i];
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libusb_device_handle *dev_handle;
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char strbuf[256];
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printf("\t%04x:%04x Addr=%u, Path=%s, Cfg=%u, Intf=%u, Alt=%u: %d/%d/%d ",
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m->vendor, m->product, m->addr, m->path,
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m->configuration, m->interface, m->altsetting,
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m->class, m->sub_class, m->protocol);
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rc = libusb_open(m->usb_dev, &dev_handle);
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if (rc < 0) {
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printf("\n");
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perror("Cannot open device");
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continue;
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}
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rc = libusb_get_string_descriptor_ascii(dev_handle, m->string_idx,
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(unsigned char *)strbuf, sizeof(strbuf));
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libusb_close(dev_handle);
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if (rc < 0) {
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printf("\n");
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perror("Cannot read string");
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continue;
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}
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printf("(%s)\n", strbuf);
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#if 0
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dev_handle = usb_open_claim_interface(NULL, m);
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printf("dev_handle=%p\n", dev_handle);
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libusb_close(dev_handle);
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#endif
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}
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return num_interfaces;
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}
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int main(int argc, char **argv)
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{
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osmo_libusb_init(NULL);
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find_devices();
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return 0;
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}
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