From: asterix <asterix@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Tue, 13 May 2008 10:02:32 +0000 (+0000)
Subject: Add low level template module for dataflash drive.
X-Git-Tag: 1.0.0~4
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=5d340609f2820fb1c909019f254fceefafef3fd4;p=bertos.git

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
index 00000000..d802d0d7
--- /dev/null
+++ b/bertos/hw/hw_dataflash.c
@@ -0,0 +1,88 @@
+/**
+ * \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
index 00000000..aa726f1b
--- /dev/null
+++ b/bertos/hw/hw_dataflash.h
@@ -0,0 +1,22 @@
+/**
+ * \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 */