diff options
Diffstat (limited to 'examples/xusb.c')
| -rw-r--r-- | examples/xusb.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/examples/xusb.c b/examples/xusb.c index 426ce20..7c2abb9 100644 --- a/examples/xusb.c +++ b/examples/xusb.c @@ -930,12 +930,25 @@ static int test_device(uint16_t vid, uint16_t pid) libusb_set_auto_detach_kernel_driver(handle, 1); for (iface = 0; iface < nb_ifaces; iface++) { - int ret = libusb_kernel_driver_active(handle, iface); - printf("\nKernel driver attached for interface %d: %d\n", iface, ret); + int ret; + + printf("\nKernel driver attached for interface %d: ", iface); + ret = libusb_kernel_driver_active(handle, iface); + if (ret == 0) + printf("none\n"); + else if (ret == 1) + printf("yes\n"); + else if (ret == LIBUSB_ERROR_NOT_SUPPORTED) + printf("(not supported)\n"); + else + perr("\n Failed (error %d) %s\n", ret, + libusb_strerror((enum libusb_error) ret)); + printf("\nClaiming interface %d...\n", iface); r = libusb_claim_interface(handle, iface); if (r != LIBUSB_SUCCESS) { - perr(" Failed.\n"); + perr(" Failed (error %d) %s\n", ret, + libusb_strerror((enum libusb_error) ret)); } } |