g_hpcd.Init.vbus_sensing_enable=DISABLE; g_hpcd.Init.use_external_vbus=DISABLE; #else g_hpcd.Instance=USB; #endif g_hpcd.Init.phy_itface=PCD_PHY_EMBEDDED; g_hpcd.Init.speed=PCD_SPEED_FULL; #endif/* USE_USB_HS */ In particular, IIUC, it setsg_hpcd.Init.vbus_sensing_enableto...