153     hcd_pipe_handle_t pipe;         /**< Default pipe handle of the device being enumerated */  member
277     enum_ctrl->pipe = enum_dflt_pipe_hdl;  in enum_stage_start()
283 …ESP_ERROR_CHECK(hcd_pipe_set_persist_reset(enum_ctrl->pipe));  //Persist the default pipe through …  in enum_stage_second_reset()
402     if (hcd_urb_enqueue(enum_ctrl->pipe, enum_ctrl->urb) != ESP_OK) {  in enum_stage_transfer()
412     urb_t *dequeued_enum_urb = hcd_urb_dequeue(enum_ctrl->pipe);  in enum_stage_transfer_check()
439             if (hcd_pipe_update_mps(enum_ctrl->pipe, device_desc->bMaxPacketSize0) != ESP_OK) {  in enum_stage_transfer_check()
451             ESP_ERROR_CHECK(hcd_pipe_update_dev_addr(enum_ctrl->pipe, ENUM_DEV_ADDR));  in enum_stage_transfer_check()
590     enum_ctrl->pipe = NULL;  in enum_stage_cleanup()
601         ESP_ERROR_CHECK(hcd_pipe_command(enum_ctrl->pipe, HCD_PIPE_CMD_HALT));  in enum_stage_cleanup_failed()
602         ESP_ERROR_CHECK(hcd_pipe_command(enum_ctrl->pipe, HCD_PIPE_CMD_FLUSH));  in enum_stage_cleanup_failed()
603         hcd_urb_dequeue(enum_ctrl->pipe);   //This could return NULL if there  in enum_stage_cleanup_failed()
608     enum_ctrl->pipe = NULL;  in enum_stage_cleanup_failed()