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diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/PREPROCESSOR/stringz.h b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/PREPROCESSOR/stringz.h
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+++ b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/UTILS/PREPROCESSOR/stringz.h
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+/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
+
+/*This file is prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief Preprocessor stringizing utils.
+ *
+ * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32
+ * - Supported devices:  All AVR32 devices can be used.
+ *
+ * \author               Atmel Corporation: http://www.atmel.com \n
+ *                       Support and FAQ: http://support.atmel.no/
+ *
+ ******************************************************************************/
+
+/* Copyright (c) 2009 Atmel Corporation. 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. The name of Atmel may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an Atmel
+ * AVR product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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
+ *
+ */
+
+#ifndef _STRINGZ_H_
+#define _STRINGZ_H_
+
+
+/*! \brief Stringize.
+ *
+ * Stringize a preprocessing token, this token being allowed to be \#defined.
+ *
+ * May be used only within macros with the token passed as an argument if the token is \#defined.
+ *
+ * For example, writing STRINGZ(PIN) within a macro \#defined by PIN_NAME(PIN)
+ * and invoked as PIN_NAME(PIN0) with PIN0 \#defined as A0 is equivalent to
+ * writing "A0".
+ */
+#define STRINGZ(x)                                #x
+
+/*! \brief Absolute stringize.
+ *
+ * Stringize a preprocessing token, this token being allowed to be \#defined.
+ *
+ * No restriction of use if the token is \#defined.
+ *
+ * For example, writing ASTRINGZ(PIN0) anywhere with PIN0 \#defined as A0 is
+ * equivalent to writing "A0".
+ */
+#define ASTRINGZ(x)                               STRINGZ(x)
+
+
+#endif  // _STRINGZ_H_