Add low level template module for dataflash drive.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@1248 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/hw/hw_dataflash.c b/bertos/hw/hw_dataflash.c
new file mode 100644 (file)
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+++ b/bertos/hw/hw_dataflash.c
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+/**
+ * \file
+ * <!--
+ * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Dataflash HW control routines.
+ *
+ * \version $Id$
+ * \author Francesco Sacchi <batt@develer.com>
+ */
+
+#include "hw_dataflash.h"
+
+#include <cfg/compiler.h>
+#include <cfg/module.h>
+#include <cfg/macros.h>
+
+#include <io/arm.h>
+
+
+MOD_DEFINE(hw_dataflash);
+
+/**
+ * Data flash init function.
+ *
+ * This function provide to initialize all that
+ * needs to drive a dataflash memory.
+ * Generaly needs to init pins to drive a CS line
+ * and reset line.
+ */
+void dataflash_hw_init(void)
+{
+    //Disable CS line (remove if not needed)
+       dataflash_hw_setCS(false);
+
+       /*
+        * Put here your code!
+        *
+        * Note:
+        * - if you drive manualy CS line, here init a CS pin
+        * - if you use a dedicated reset line, here init a reset pin
+        */
+
+       MOD_INIT(hw_dataflash);
+}
+
+/**
+ * Chip Select drive.
+ *
+ * This function enable or disable a CS line.
+ * You must implement this function comply to a dataflash
+ * memory datasheet to allow the drive to enable a memory
+ * when \p enable flag is true, and disable it when is false.
+ */
+void dataflash_hw_setCS(bool enable)
+{
+       if (enable)
+               /*
+                * Put here your code to enable
+                * dataflash memory
+                */
+       else
+               /*
+                * Put here your code to disable
+                * dataflash memory
+                */
+}
+
+/**
+ * Reset data flash memory.
+ *
+ * This function provide to send reset signal to
+ * dataflash memory. You must impement it comly to a dataflash
+ * memory datasheet that describe a reset procedure for select
+ * device.
+ *
+ */
+void dataflash_hw_reset(void)
+{
+    /*
+     * Put here your code to reset
+     * data flash memory
+     */
+
+}
+

diff --git a/bertos/hw/hw_dataflash.h b/bertos/hw/hw_dataflash.h
new file mode 100644 (file)
index 0000000..aa726f1
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+++ b/bertos/hw/hw_dataflash.h
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+/**
+ * \file
+ * <!--
+ * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Dataflash HW control routines (interface).
+ *
+ * \version $Id$
+ * \author Francesco Sacchi <batt@develer.com>
+ */
+
+#ifndef HW_DATAFLASH_H
+#define HW_DATAFLASH_H
+
+#include <cfg/compiler.h>
+
+void dataflash_hw_init(void);
+void dataflash_hw_setCS(bool enable);
+
+#endif /* HW_DATAFLASH_H */