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diff --git a/tinyusb/common/std_request.h b/tinyusb/common/std_request.h
new file mode 100644
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+++ b/tinyusb/common/std_request.h
@@ -0,0 +1,90 @@
+/**************************************************************************/
+/*!
+    @file     std_request.h
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2013, hathach (tinyusb.org)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+    This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+/** \file
+ *  \brief TBD
+ *
+ *  \note TBD
+ */
+
+/** \ingroup TBD
+ *  \defgroup TBD
+ *  \brief TBD
+ *
+ *  @{
+ */
+
+#ifndef _TUSB_STD_REQUEST_H_
+#define _TUSB_STD_REQUEST_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+typedef ATTR_PACKED_STRUCT(struct){
+  union {
+    ATTR_PACKED_STRUCT(struct) {
+      uint8_t recipient :  5; /**< Recipient type tusb_std_request_recipient_t. */
+      uint8_t type      :  2; /**< Request type tusb_control_request_type_t.  */
+      uint8_t direction :  1; /**< Direction type. tusb_direction_t */
+    } bmRequestType_bit;
+    uint8_t bmRequestType;
+  };
+
+  uint8_t  bRequest;
+  uint16_t wValue;
+  uint16_t wIndex;
+  uint16_t wLength;
+} tusb_control_request_t;
+
+//STATIC_ASSERT(sizeof(tusb_control_request_t) == 8, "mostly compiler option issue");
+
+// TODO move to somewhere suitable
+static inline uint8_t bm_request_type(uint8_t direction, uint8_t type, uint8_t recipient) ATTR_CONST ATTR_ALWAYS_INLINE;
+static inline uint8_t bm_request_type(uint8_t direction, uint8_t type, uint8_t recipient)
+{
+  return ((uint8_t) (direction << 7)) | ((uint8_t) (type << 5)) | (recipient);
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_STD_REQUEST_H_ */
+
+/** @} */