From b0ec6124e014178601d6090bb251757c92c8adbf Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 15 Mar 2018 13:22:28 +0700
Subject: nrf52 control transfer work reliably

---
 tinyusb/device/usbd.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'tinyusb/device/usbd.h')

diff --git a/tinyusb/device/usbd.h b/tinyusb/device/usbd.h
index 8926d225c..cf607f645 100644
--- a/tinyusb/device/usbd.h
+++ b/tinyusb/device/usbd.h
@@ -130,6 +130,13 @@ void tud_umount_cb(uint8_t port);
 
 extern osal_semaphore_t usbd_control_xfer_sem_hdl;
 
+tusb_error_t usbd_control_xfer_substak(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length);
+
+static inline bool usbd_control_status(uint8_t port, tusb_dir_t dir)
+{
+  tusb_dcd_control_xfer(port , dir, NULL, 0, false);
+}
+
 tusb_error_t usbd_init(void);
 void usbd_task( void* param);
 
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