hathach 4a521711b9 add usbd_control_xfer_substak ... seperate control xfer Data and Status phase		2018-03-14 22:01:16 +07:00
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device_virtual_com	working on nrf52	2018-03-13 16:30:53 +07:00
nrf52840	add usbd_control_xfer_substak	2018-03-14 22:01:16 +07:00