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diff --git a/memories/flash/flashd.h b/memories/flash/flashd.h
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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, 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:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: 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
+ * 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.
+ * ----------------------------------------------------------------------------
+ */
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// !Purpose
+///
+/// The goal of FLASHD driver is to provide support for ATMEL Embedded Flash
+/// devices. The FLASHD driver provides the unified interface of functions
+/// and operations for all supported Embedded Flash Memory Devices. The driver
+/// accesses the Flash memory by calling the low-level code which provided in 
+/// EFC(EEFC) peripheral,o users do not have to concern themselves with the 
+/// details of the special command sequences.  
+///
+/// !Usage
+///
+/// -# Initializes the %flash driver with FLASHD_Initialize().
+/// -# Provide all neccessary operations such as %flash write, erase, lock, 
+///    unlock, and set/clear GPNVM.
+///    - They are able to check function arguments, address boundary etc.
+///    - All %flash address argument is the unique address, as the result,
+///      user no need to take care about the address is in which EFC, 
+///      in which page and in which lock region for difference Flash device,
+///      so that can help develop your uppon appcations with maximum efficiency.
+/// -# Writes data in embedded %flash using FLASHD_Write().
+/// -# Erase data in embedded %flash using FLASHD_Write().
+/// -# Lock region in embedded %flash using FLASHD_Lock().
+/// -# Unlock region in embedded %flash using FLASHD_Unlock().
+/// -# Set GPNVM in embedded %flash using FLASHD_SetGPNVM().
+/// -# Clear GPNVM in embedded %flash using FLASHD_ClearGPNVM().
+///
+/// !See also
+///    - efc: EFC peripheral interface.
+///    - eefc: EEFC peripheral interface.
+//------------------------------------------------------------------------------
+#ifndef FLASHD_H
+#define FLASHD_H
+
+#include <board.h>
+
+#if defined (CHIP_FLASH_EFC)
+#include <efc/efc.h>
+#elif defined (CHIP_FLASH_EEFC)
+#include <eefc/eefc.h>
+#endif
+
+//------------------------------------------------------------------------------
+//         Functions
+//------------------------------------------------------------------------------
+
+extern void FLASHD_Initialize(unsigned int mck);
+
+extern unsigned char FLASHD_Erase(unsigned int address);
+
+extern unsigned char FLASHD_Write(
+    unsigned int address,
+    const void *pBuffer,
+    unsigned int size);
+
+extern unsigned char FLASHD_Lock(
+    unsigned int start,
+    unsigned int end,
+    unsigned int *pActualStart,
+    unsigned int *pActualEnd);
+
+extern unsigned char FLASHD_Unlock(
+    unsigned int start,
+    unsigned int end,
+    unsigned int *pActualStart,
+    unsigned int *pActualEnd);
+
+extern unsigned char FLASHD_IsLocked(
+    unsigned int start,
+    unsigned int end);
+
+extern unsigned char FLASHD_SetGPNVM(unsigned char gpnvm);
+
+extern unsigned char FLASHD_ClearGPNVM(unsigned char gpnvm);
+
+extern unsigned char FLASHD_IsGPNVMSet(unsigned char gpnvm);
+
+#if defined(CHIP_FLASH_EFC)
+
+#if !defined EFC_NO_SECURITY_BIT
+extern unsigned char FLASHD_IsSecurityBitSet(void);
+
+extern unsigned char FLASHD_SetSecurityBit(void);
+#endif
+
+#elif defined(CHIP_FLASH_EEFC)
+
+#define FLASHD_IsSecurityBitSet() FLASHD_IsGPNVMSet(0)
+
+#define FLASHD_SetSecurityBit()   FLASHD_SetGPNVM(0)
+
+extern unsigned char FLASHD_ReadUniqueID(unsigned long * uniqueID);
+
+#endif //#if defined(CHIP_FLASH_EFC)
+
+
+#endif //#ifndef FLASHD_H
+