--- /dev/null
+/**\r
+ * \file\r
+ *\r
+ * \brief Preprocessor token pasting utils.\r
+ *\r
+ * Copyright (c) 2010-2015 Atmel Corporation. All rights reserved.\r
+ *\r
+ * \asf_license_start\r
+ *\r
+ * \page License\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions are met:\r
+ *\r
+ * 1. Redistributions of source code must retain the above copyright notice,\r
+ * this list of conditions and the following disclaimer.\r
+ *\r
+ * 2. Redistributions in binary form must reproduce the above copyright notice,\r
+ * this list of conditions and the following disclaimer in the documentation\r
+ * and/or other materials provided with the distribution.\r
+ *\r
+ * 3. The name of Atmel may not be used to endorse or promote products derived\r
+ * from this software without specific prior written permission.\r
+ *\r
+ * 4. This software may only be redistributed and used in connection with an\r
+ * Atmel microcontroller product.\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED\r
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE\r
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR\r
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\r
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+ * POSSIBILITY OF SUCH DAMAGE.\r
+ *\r
+ * \asf_license_stop\r
+ *\r
+ */\r
+/*\r
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>\r
+ */\r
+\r
+#ifndef _TPASTE_H_\r
+#define _TPASTE_H_\r
+\r
+/**\r
+ * \defgroup group_sam_utils_tpaste Preprocessor - Token Paste\r
+ *\r
+ * \ingroup group_sam_utils\r
+ *\r
+ * \{\r
+ */\r
+\r
+/*! \name Token Paste\r
+ *\r
+ * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.\r
+ *\r
+ * May be used only within macros with the tokens passed as arguments if the tokens are \#defined.\r
+ *\r
+ * For example, writing TPASTE2(U, WIDTH) within a macro \#defined by\r
+ * UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is\r
+ * equivalent to writing U32.\r
+ */\r
+//! @{\r
+#define TPASTE2( a, b) a##b\r
+#define TPASTE3( a, b, c) a##b##c\r
+#define TPASTE4( a, b, c, d) a##b##c##d\r
+#define TPASTE5( a, b, c, d, e) a##b##c##d##e\r
+#define TPASTE6( a, b, c, d, e, f) a##b##c##d##e##f\r
+#define TPASTE7( a, b, c, d, e, f, g) a##b##c##d##e##f##g\r
+#define TPASTE8( a, b, c, d, e, f, g, h) a##b##c##d##e##f##g##h\r
+#define TPASTE9( a, b, c, d, e, f, g, h, i) a##b##c##d##e##f##g##h##i\r
+#define TPASTE10(a, b, c, d, e, f, g, h, i, j) a##b##c##d##e##f##g##h##i##j\r
+//! @}\r
+\r
+/*! \name Absolute Token Paste\r
+ *\r
+ * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.\r
+ *\r
+ * No restriction of use if the tokens are \#defined.\r
+ *\r
+ * For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined\r
+ * as 32 is equivalent to writing U32.\r
+ */\r
+//! @{\r
+#define ATPASTE2( a, b) TPASTE2( a, b)\r
+#define ATPASTE3( a, b, c) TPASTE3( a, b, c)\r
+#define ATPASTE4( a, b, c, d) TPASTE4( a, b, c, d)\r
+#define ATPASTE5( a, b, c, d, e) TPASTE5( a, b, c, d, e)\r
+#define ATPASTE6( a, b, c, d, e, f) TPASTE6( a, b, c, d, e, f)\r
+#define ATPASTE7( a, b, c, d, e, f, g) TPASTE7( a, b, c, d, e, f, g)\r
+#define ATPASTE8( a, b, c, d, e, f, g, h) TPASTE8( a, b, c, d, e, f, g, h)\r
+#define ATPASTE9( a, b, c, d, e, f, g, h, i) TPASTE9( a, b, c, d, e, f, g, h, i)\r
+#define ATPASTE10(a, b, c, d, e, f, g, h, i, j) TPASTE10(a, b, c, d, e, f, g, h, i, j)\r
+//! @}\r
+\r
+/**\r
+ * \}\r
+ */\r
+\r
+#endif // _TPASTE_H_\r