Function libopencm3_sys::usbd_ep_write_packet [−][src]
pub unsafe extern "C" fn usbd_ep_write_packet(
usbd_dev: *mut usbd_device,
addr: u8,
buf: *const c_void,
len: u16
) -> u16
Write a packet @param addr EP address (direction is ignored) @param len # of bytes @return 0 if failed, len if successful