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114 lines
4.1 KiB
C
114 lines
4.1 KiB
C
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**
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* \file
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*
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* \section Purpose
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*
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* Interface for configuration the Enhanced Embedded Flash Controller (EEFC) peripheral.
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*
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* \section Usage
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*
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* -# Enable/disable %flash ready interrupt sources using EFC_EnableFrdyIt()
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* and EFC_DisableFrdyIt().
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* -# Translates the given address into which EEFC, page and offset values
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* for difference density %flash memory using EFC_TranslateAddress().
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* -# Computes the address of a %flash access given the EFC, page and offset
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* for difference density %flash memory using EFC_ComputeAddress().
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* -# Start the executing command with EFC_StartCommand()
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* -# Retrieve the current status of the EFC using EFC_GetStatus().
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* -# Retrieve the result of the last executed command with EFC_GetResult().
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*/
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#ifndef _EEFC_
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#define _EEFC_
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "chip.h"
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#include <stdint.h>
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/*----------------------------------------------------------------------------
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* Definitions
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*----------------------------------------------------------------------------*/
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/* EFC command */
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#define EFC_FCMD_GETD 0x00
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#define EFC_FCMD_WP 0x01
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#define EFC_FCMD_WPL 0x02
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#define EFC_FCMD_EWP 0x03
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#define EFC_FCMD_EWPL 0x04
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#define EFC_FCMD_EA 0x05
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#define EFC_FCMD_SLB 0x08
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#define EFC_FCMD_CLB 0x09
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#define EFC_FCMD_GLB 0x0A
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#define EFC_FCMD_SFB 0x0B
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#define EFC_FCMD_CFB 0x0C
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#define EFC_FCMD_GFB 0x0D
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#define EFC_FCMD_STUI 0x0E /* Start unique ID */
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#define EFC_FCMD_SPUI 0x0F /* Stop unique ID */
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/* The IAP function entry addreass */
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#define CHIP_FLASH_IAP_ADDRESS (0x00800008)
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*----------------------------------------------------------------------------
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* Exported functions
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*----------------------------------------------------------------------------*/
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extern void EFC_EnableFrdyIt( Efc* efc ) ;
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extern void EFC_DisableFrdyIt( Efc* efc ) ;
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extern void EFC_SetWaitState( Efc* efc, uint8_t cycles ) ;
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extern void EFC_TranslateAddress( Efc** pEfc, uint32_t dwAddress, uint16_t *pwPage, uint16_t *pwOffset ) ;
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extern void EFC_ComputeAddress( Efc* efc, uint16_t wPage, uint16_t wOffset, uint32_t *pdwAddress ) ;
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extern void EFC_StartCommand( Efc* efc, uint32_t dwCommand, uint32_t dwArgument ) ;
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extern uint32_t EFC_PerformCommand( Efc* efc, uint32_t dwCommand, uint32_t dwArgument, uint32_t dwUseIAP ) ;
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extern uint32_t EFC_GetStatus( Efc* efc ) ;
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extern uint32_t EFC_GetResult( Efc* efc ) ;
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _EEFC_ */
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