mirror/tinyusb
1
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2025-03-14 04:18:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

usbd ack SET_INTERFACE if it is not implemented by class driver.

Browse Source
This commit is contained in:
hathach 2021-03-10 11:33:03 +07:00
parent 38ebb8502d
commit eeea19c0ab
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/device/usbd.c
View File

@ -699,13 +699,21 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
// notable requests are: GET HID REPORT DESCRIPTOR, SET_INTERFACE, GET_INTERFACE
if ( !invoke_class_control(rhport, driver, p_request) )
{
// For GET_INTERFACE, it is mandatory to respond even if the class
// driver doesn't use alternate settings.
TU_VERIFY( TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type &&
TUSB_REQ_GET_INTERFACE == p_request->bRequest);
// For GET_INTERFACE and SET_INTERFACE, it is mandatory to respond even if the class
// driver doesn't use alternate settings or implement this
TU_VERIFY(TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type);
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
if (TUSB_REQ_GET_INTERFACE == p_request->bRequest)
{
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
}else if (TUSB_REQ_SET_INTERFACE == p_request->bRequest)
{
tud_control_status(rhport, p_request);
} else
{
return false;
}
}
}
break;