uint8_t
libusb_get_bus_number(libusb_device *dev)
{
if (dev == NULL)
return (0); /* should not happen */
return (libusb20_dev_get_bus_number(dev->os_priv));
}
void
dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv)
{
char buf[128];
uint8_t n;
unsigned int usage;
usage = libusb20_dev_get_power_usage(pdev);
printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n",
libusb20_dev_get_desc(pdev),
libusb20_dev_get_config_index(pdev),
dump_mode(libusb20_dev_get_mode(pdev)),
dump_speed(libusb20_dev_get_speed(pdev)),
dump_power_mode(libusb20_dev_get_power_mode(pdev)),
usage);
if (!show_ifdrv)
return;
for (n = 0; n != 255; n++) {
if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
break;
if (buf[0] == 0)
continue;
printf("ugen%u.%u.%u: %s\n",
libusb20_dev_get_bus_number(pdev),
libusb20_dev_get_address(pdev), n, buf);
}
}
int
usb_find_devices(void)
{
struct libusb20_device *pdev;
struct usb_device *udev;
struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
int devnum;
int err;
/* cleanup after last device search */
/* close all opened devices, if any */
while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) {
udev = pdev->privLuData;
libusb20_be_dequeue_device(usb_backend, pdev);
libusb20_dev_free(pdev);
if (udev != NULL) {
LIST_DEL(usb_global_bus.devices, udev);
free(udev);
}
}
/* free old USB backend, if any */
libusb20_be_free(usb_backend);
/* do a new backend device search */
usb_backend = libusb20_be_alloc_default();
if (usb_backend == NULL) {
return (-1);
}
/* iterate all devices */
devnum = 1;
pdev = NULL;
while ((pdev = libusb20_be_device_foreach(usb_backend, pdev))) {
udev = malloc(sizeof(*udev));
if (udev == NULL)
break;
memset(udev, 0, sizeof(*udev));
udev->bus = &usb_global_bus;
snprintf(udev->filename, sizeof(udev->filename),
"/dev/ugen%u.%u",
libusb20_dev_get_bus_number(pdev),
libusb20_dev_get_address(pdev));
ddesc = libusb20_dev_get_device_desc(pdev);
udev->descriptor.bLength = sizeof(udev->descriptor);
udev->descriptor.bDescriptorType = ddesc->bDescriptorType;
udev->descriptor.bcdUSB = ddesc->bcdUSB;
udev->descriptor.bDeviceClass = ddesc->bDeviceClass;
udev->descriptor.bDeviceSubClass = ddesc->bDeviceSubClass;
udev->descriptor.bDeviceProtocol = ddesc->bDeviceProtocol;
udev->descriptor.bMaxPacketSize0 = ddesc->bMaxPacketSize0;
udev->descriptor.idVendor = ddesc->idVendor;
udev->descriptor.idProduct = ddesc->idProduct;
udev->descriptor.bcdDevice = ddesc->bcdDevice;
udev->descriptor.iManufacturer = ddesc->iManufacturer;
udev->descriptor.iProduct = ddesc->iProduct;
udev->descriptor.iSerialNumber = ddesc->iSerialNumber;
udev->descriptor.bNumConfigurations =
ddesc->bNumConfigurations;
if (udev->descriptor.bNumConfigurations > USB_MAXCONFIG) {
/* truncate number of configurations */
udev->descriptor.bNumConfigurations = USB_MAXCONFIG;
}
udev->devnum = devnum++;
/* link together the two structures */
udev->dev = pdev;
pdev->privLuData = udev;
err = libusb20_dev_open(pdev, 0);
if (err == 0) {
/* XXX get all config descriptors by default */
usb_fetch_and_parse_descriptors((void *)pdev);
libusb20_dev_close(pdev);
}
LIST_ADD(usb_global_bus.devices, udev);
}
return (devnum - 1); /* success */
}
void
usb_control_ep_error_test(uint16_t vid, uint16_t pid)
{
struct LIBUSB20_CONTROL_SETUP_DECODED req;
struct libusb20_device *pdev;
uint8_t buffer[256];
int error;
int fail = 0;
int bus;
int dev;
int cfg;
pdev = find_usb_device(vid, pid);
if (pdev == NULL) {
printf("USB device not found\n");
return;
}
error = libusb20_dev_open(pdev, 0);
if (error) {
printf("Could not open USB device\n");
libusb20_dev_free(pdev);
return;
}
bus = libusb20_dev_get_bus_number(pdev);
dev = libusb20_dev_get_address(pdev);
for (cfg = 0; cfg != 255; cfg++) {
LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &req);
req.bmRequestType = 0x80; /* read */
req.bRequest = 0x06; /* descriptor */
req.wValue = 0x0200 | cfg; /* config descriptor */
req.wIndex = 0;
req.wLength = 255;
printf("Test #%d.1/3 ...\n", cfg);
set_ctrl_ep_fail(-1,-1,0,0);
error = libusb20_dev_request_sync(pdev, &req, buffer,
NULL, 1000, 0);
if (error != 0) {
printf("Last configuration index is: %d\n", cfg - 1);
break;
}
printf("Test #%d.2/3 ...\n", cfg);
set_ctrl_ep_fail(bus,dev,1,1);
error = libusb20_dev_request_sync(pdev, &req, buffer,
NULL, 1000, 0);
set_ctrl_ep_fail(-1,-1,0,0);
error = libusb20_dev_request_sync(pdev, &req, buffer,
NULL, 1000, 0);
if (error != 0) {
printf("Cannot fetch descriptor (unexpected)\n");
fail++;
}
printf("Test #%d.3/3 ...\n", cfg);
set_ctrl_ep_fail(bus,dev,0,1);
error = libusb20_dev_request_sync(pdev, &req, buffer,
NULL, 1000, 0);
set_ctrl_ep_fail(-1,-1,0,0);
error = libusb20_dev_request_sync(pdev, &req, buffer,
NULL, 1000, 0);
if (error != 0) {
printf("Cannot fetch descriptor (unexpected)\n");
fail++;
}
}
libusb20_dev_close(pdev);
libusb20_dev_free(pdev);
printf("Test completed detecting %d failures\nDone\n\n", fail);
}