mirror of
https://gitea.osmocom.org/sim-card/simtrace2.git
synced 2026-03-16 21:28:33 +03:00
a601635885
USB addresses change every time the device re-enumerates, while the path reflects the physical topology of USB connections and stays persistent unless the usb cabling is changed. Let's allow the user to specify the path instead of the address to uniquely identify a given slot.
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
#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 "libusb_util.h"
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#define USB_VENDOR_OPENMOKO 0x1d50
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#define USB_PRODUCT_OWHW_SAM3_DFU 0x4000
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#define USB_PRODUCT_OWHW_SAM3 0x4001
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#define USB_PRODUCT_QMOD_HUB 0x4002
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#define USB_PRODUCT_QMOD_SAM3_DFU 0x4003
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#define USB_PRODUCT_QMOD_SAM3 0x4004
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#define USB_PRODUCT_SIMTRACE2_DFU 0x60e2
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#define USB_PRODUCT_SIMTRACE2 0x60e3
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static const struct dev_id compatible_dev_ids[] = {
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{ USB_VENDOR_OPENMOKO, USB_PRODUCT_OWHW_SAM3 },
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{ USB_VENDOR_OPENMOKO, USB_PRODUCT_QMOD_SAM3 },
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{ USB_VENDOR_OPENMOKO, USB_PRODUCT_SIMTRACE2 },
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{ 0, 0 }
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};
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//libusb_get_string_descriptor_ascii(hdl, idx, *data, len)
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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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rc = usb_match_interfaces(NULL, compatible_dev_ids,
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255, 2, -1, ifm, ARRAY_SIZE(ifm));
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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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libusb_init(NULL);
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find_devices();
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}
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