Type Alias usbd_hw_get_serialno 

pub type usbd_hw_get_serialno = Option<unsafe extern "C" fn(buffer: *mut c_void) -> u16>;

Makes a string descriptor contains unique serial number from hardware ID’s

Arguments

• buffer (direction in) - pointer to buffer for the descriptor

Returns

of the descriptor in bytes

Aliased Type

pub enum usbd_hw_get_serialno {
    None,
    Some(unsafe extern "C" fn(*mut c_void) -> u16),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void) -> u16)

Some value of type T.