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);
}
}
static struct libusb20_transfer *
usb_get_transfer_by_ep_no(usb_dev_handle * dev, uint8_t ep_no)
{
struct libusb20_device *pdev = (void *)dev;
struct libusb20_transfer *xfer;
int err;
uint32_t bufsize;
uint8_t x;
uint8_t speed;
x = (ep_no & LIBUSB20_ENDPOINT_ADDRESS_MASK) * 2;
if (ep_no & LIBUSB20_ENDPOINT_DIR_MASK) {
/* this is an IN endpoint */
x |= 1;
}
speed = libusb20_dev_get_speed(pdev);
/* select a sensible buffer size */
if (speed == LIBUSB20_SPEED_LOW) {
bufsize = 256;
} else if (speed == LIBUSB20_SPEED_FULL) {
bufsize = 4096;
} else if (speed == LIBUSB20_SPEED_SUPER) {
bufsize = 65536;
} else {
bufsize = 16384;
}
xfer = libusb20_tr_get_pointer(pdev, x);
if (xfer == NULL)
return (xfer);
err = libusb20_tr_open(xfer, bufsize, 1, ep_no);
if (err == LIBUSB20_ERROR_BUSY) {
/* already opened */
return (xfer);
} else if (err) {
return (NULL);
}
/* success */
return (xfer);
}
enum libusb_speed
libusb_get_device_speed(libusb_device *dev)
{
if (dev == NULL)
return (LIBUSB_SPEED_UNKNOWN); /* should not happen */
switch (libusb20_dev_get_speed(dev->os_priv)) {
case LIBUSB20_SPEED_LOW:
return (LIBUSB_SPEED_LOW);
case LIBUSB20_SPEED_FULL:
return (LIBUSB_SPEED_FULL);
case LIBUSB20_SPEED_HIGH:
return (LIBUSB_SPEED_HIGH);
case LIBUSB20_SPEED_SUPER:
return (LIBUSB_SPEED_SUPER);
default:
break;
}
return (LIBUSB_SPEED_UNKNOWN);
}
int
libusb_get_max_iso_packet_size(libusb_device *dev, uint8_t endpoint)
{
int multiplier;
int ret;
ret = libusb_get_max_packet_size(dev, endpoint);
switch (libusb20_dev_get_speed(dev->os_priv)) {
case LIBUSB20_SPEED_LOW:
case LIBUSB20_SPEED_FULL:
break;
default:
if (ret > -1) {
multiplier = (1 + ((ret >> 11) & 3));
if (multiplier > 3)
multiplier = 3;
ret = (ret & 0x7FF) * multiplier;
}
break;
}