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Modem/hw/hw_spi.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 2008 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Hardware macro definition.
+ *
+ *
+ * \author Daniele Basile <asterix@develer.com>
+ */
+
+#ifndef HW_SPI_H
+#define HW_SPI_H
+
+#warning TODO:This is an example implentation, you must implement it!
+
+#include <cfg/macros.h>
+
+/**
+ * SPI pin definition.
+ *
+ * \note CS is assert when level
+ * is low.
+ *
+ * \{
+ */
+#define CS       /* pin */   ///Connect to CS pin of Flash memory.
+#define SCK      /* pin */   ///Connect to SCK pin of Flash memory.
+#define MOSI     /* pin */   ///Connect to SI pin of Flash memory.
+#define MISO     /* pin */   ///Connect to SO pin of Flash memory.
+#define SPI_PORT /* pin */   ///Micro pin PORT register.
+#define SPI_PIN  /* pin */   ///Micro pin PIN register.
+#define SPI_DDR  /* pin */   ///Micro pin DDR register.
+/*\}*/
+
+/**
+ * Pin logic level.
+ *
+ * \{
+ */
+#define MOSI_LOW()       do { /* Implement me! */ } while(0)
+#define MOSI_HIGH()      do { /* Implement me! */ } while(0)
+#define MISO_HIGH()      do { /* Implement me! */ } while(0)
+#define SCK_LOW()        do { /* Implement me! */ } while(0)
+#define SCK_HIGH()       do { /* Implement me! */ } while(0)
+#define CS_LOW()         do { /* Implement me! */ } while(0)
+#define CS_HIGH()        do { /* Implement me! */ } while(0)
+/*\}*/
+
+/**
+ * SPI pin commands.
+ *
+ * \{
+ */
+#define CS_ENABLE()      CS_LOW()
+#define CS_DISABLE()     CS_HIGH()
+#define SS_ACTIVE()      CS_LOW()
+#define SS_INACTIVE()    CS_HIGH()
+#define SCK_INACTIVE()   SCK_LOW()
+#define SCK_ACTIVE()     SCK_HIGH()
+#define CS_OUT()         do { /* Implement me! */ } while(0)
+#define MOSI_IN()        do { /* Implement me! */ } while(0)
+#define MOSI_OUT()       do { /* Implement me! */ } while(0)
+#define IS_MISO_HIGH()	 (false /* Implement me! */ )
+#define MISO_IN()        do { /* Implement me! */ } while(0)
+#define MISO_OUT()       do { /* Implement me! */ } while(0)
+#define SCK_OUT()        do { /* Implement me! */ } while(0)
+
+#define SCK_PULSE()\
+	do {\
+			SCK_HIGH();\
+			SCK_LOW();\
+	} while (0)
+/*\}*/
+
+
+#define SPI_HW_INIT() \
+	CS_DISABLE();\
+	MOSI_LOW();\
+	SCK_LOW();\
+	MISO_IN();\
+	MOSI_OUT();\
+	SCK_OUT();\
+	CS_OUT();
+
+#endif /* HW_SPI_H */
+