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simtrace2-remsim: Improve support for many interfaces + devices

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Rather than using the first available interface on the first available
device, we now have a "simtrace2-list" program that lists all compatible
interfaces on all configurations of all devices on the system
This commit is contained in:
Harald Welte
2017-03-06 20:58:03 +01:00
parent 62bfd8a7a9
commit 822d66ef69
5 changed files with 423 additions and 9 deletions
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77
host/simtrace2_usb.c Normal file
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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <osmocom/core/utils.h>
#include "libusb_util.h"
#define USB_VENDOR_OPENMOKO 0x1d50
#define USB_PRODUCT_OWHW_SAM3_DFU 0x4000
#define USB_PRODUCT_OWHW_SAM3 0x4001
#define USB_PRODUCT_QMOD_HUB 0x4002
#define USB_PRODUCT_QMOD_SAM3_DFU 0x4003
#define USB_PRODUCT_QMOD_SAM3 0x4004
#define USB_PRODUCT_SIMTRACE2_DFU 0x60e2
#define USB_PRODUCT_SIMTRACE2 0x60e3
static const struct dev_id compatible_dev_ids[] = {
{ USB_VENDOR_OPENMOKO, USB_PRODUCT_OWHW_SAM3 },
{ USB_VENDOR_OPENMOKO, USB_PRODUCT_QMOD_SAM3 },
{ USB_VENDOR_OPENMOKO, USB_PRODUCT_SIMTRACE2 },
{ 0, 0 }
};
//libusb_get_string_descriptor_ascii(hdl, idx, *data, len)
static int find_devices(void)
{
struct usb_interface_match ifm[16];
int rc, i, num_interfaces;
rc = usb_match_interfaces(NULL, compatible_dev_ids,
255, 2, -1, ifm, ARRAY_SIZE(ifm));
if (rc < 0)
return rc;
num_interfaces = rc;
for (i = 0; i < num_interfaces; i++) {
struct usb_interface_match *m = &ifm[i];
libusb_device_handle *dev_handle;
char strbuf[256];
printf("\t%04x:%04x Addr=%u, Cfg=%u, Intf=%u, Alt=%u: %d/%d/%d ",
m->vendor, m->product, m->addr,
m->configuration, m->interface, m->altsetting,
m->class, m->sub_class, m->protocol);
rc = libusb_open(m->usb_dev, &dev_handle);
if (rc < 0) {
printf("\n");
perror("Cannot open device");
continue;
}
rc = libusb_get_string_descriptor_ascii(dev_handle, m->string_idx, strbuf, sizeof(strbuf));
libusb_close(dev_handle);
if (rc < 0) {
printf("\n");
perror("Cannot read string");
continue;
}
printf("(%s)\n", strbuf);
#if 0
dev_handle = usb_open_claim_interface(NULL, m);
printf("dev_handle=%p\n", dev_handle);
libusb_close(dev_handle);
#endif
}
return num_interfaces;
}
int main(int argc, char **argv)
{
libusb_init(NULL);
find_devices();
}