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diff --git a/boards/stm32-p103/hw/hw_sipo.h b/boards/stm32-p103/hw/hw_sipo.h
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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2003, 2004, 2006, 2008, 2009 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Macro for HW_SIPO_H
+ *
+ *
+ * \version $Id$
+ *
+ * \author Andrea Grandi <andrea@develer.com>
+ * \author Daniele Basile <asterix@develer.com>
+ */
+
+#ifndef HW_SIPO_H
+#define HW_SIPO_H
+
+/**
+ * Map sipo connection on board.
+ */
+typedef enum SipoMap
+{
+	SIPO_CNT
+} SipoMap;
+
+/**
+ * Define generic macro to set pins logic level
+ */
+#define SIPO_SET_LEVEL_LOW(dev)    do { /* Implement me! */   } while (0)
+#define SIPO_SET_LEVEL_HIGH(dev)   do { /* Implement me! */   } while (0)
+
+
+/**
+ * Generate one low pulse on select line.
+ */
+#define PULSE_LOW(dev)    do { /* Implement me! */   } while (0)
+
+/**
+ * Generate one hight pulse on select line.
+ */
+#define PULSE_HIGH(dev)     do { /* Implement me! */   } while (0)
+
+
+/**
+ * Define the procedure to drive serial input in sipo device (SI).
+ */
+#define SIPO_SI_HIGH()   do { /* Implement me! */   } while (0)
+#define SIPO_SI_LOW()    do { /* Implement me! */   } while (0)
+
+/**
+ * Drive clock to shift SI data into latch.
+ */
+#define SIPO_SI_CLOCK(clk_pol) \
+	do { \
+		(void)clk_pol; \
+		/* Implement me! */ \
+	} while (0)
+
+/**
+ * Do everything needed in order to load dato into sipo.
+ */
+#define SIPO_LOAD(device, load_pol)   do { /* Implement me! */   } while (0)
+
+/**
+ * Enable the shift register output.
+ */
+#define SIPO_ENABLE()             do { /* Implement me! */   } while (0)
+
+/**
+ * Set polarity for Load, Clk, SI signals.
+ */
+#define SIPO_SET_LD_LEVEL(device, load_pol)  do { /* Implement me! */   } while (0)
+#define SIPO_SET_CLK_LEVEL(clock_pol)        do { /* Implement me! */   } while (0)
+#define SIPO_SET_SI_LEVEL()       do { /* Implement me! */   } while (0)
+
+/**
+ * Do anything that needed to init sipo pins.
+ */
+#define SIPO_INIT_PIN()           do { /* Implement me! */   } while (0)
+
+#endif /* HW_SIPO_H */