xusb_test_bypath.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <xtalk/debug.h>
#include <xtalk/xusb.h>
#include <autoconfig.h>
static char *progname;
static void usage()
{
fprintf(stderr, "Usage: %s [options...] <busnum>/<devnum> ...\n", progname);
fprintf(stderr, "\tOptions:\n");
fprintf(stderr, "\t\t[-v] # Increase verbosity\n");
fprintf(stderr,
"\t\t[-d mask] # Debug mask (0xFF for everything)\n");
exit(1);
}
static int check_devpath(const char *devpath)
{
const struct xusb_spec *spec;
struct xusb_device *xusb_dev;
struct xusb_iface *iface;
int ret;
printf("Checking %s: ", devpath);
fflush(stdout);
xusb_dev = xusb_find_bypath(devpath);
if (!xusb_dev) {
ERR("missing %s\n", devpath);
return 1;
}
spec = xusb_device_spec(xusb_dev);
printf("Found: %04x:%04x\n", spec->vendor_id, spec->product_id);
ret = xusb_claim(xusb_dev, 1, &iface);
if (ret < 0) {
ERR("%s: xusb_claim() failed (ret = %d)\n",
xusb_devpath(xusb_dev), ret);
return 1;
}
xusb_showinfo(xusb_dev);
xusb_release(iface);
return 1;
}
int main(int argc, char *argv[])
{
const char options[] = "vd:";
int i;
progname = argv[0];
while (1) {
int c;
c = getopt(argc, argv, options);
if (c == -1)
break;
switch (c) {
case 'v':
verbose++;
break;
case 'd':
debug_mask = strtoul(optarg, NULL, 0);
break;
case 'h':
default:
ERR("Unknown option '%c'\n", c);
usage();
}
}
for (i = optind; i < argc; i++)
check_devpath(argv[i]);
return 0;
}