/* Walk through the list of descriptors and find a match
*/
static void
-ao_usb_get_descriptor(uint16_t value)
+ao_usb_get_descriptor(uint16_t value, uint16_t length)
{
const uint8_t *descriptor;
uint8_t type = value >> 8;
len = sizeof (ao_usb_serial);
}
#endif
+ if (len > length)
+ len = length;
ao_usb_ep0_in_set(descriptor, len);
break;
}
break;
case AO_USB_REQ_GET_DESCRIPTOR:
debug ("get descriptor %d\n", ao_usb_setup.value);
- ao_usb_get_descriptor(ao_usb_setup.value);
+ ao_usb_get_descriptor(ao_usb_setup.value, ao_usb_setup.length);
break;
case AO_USB_REQ_GET_CONFIGURATION:
debug ("get configuration %d\n", ao_usb_configuration);