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  • BootloaderAPI.h 3.26 KiB
    /*
                 LUFA Library
         Copyright (C) Dean Camera, 2014.
    
      dean [at] fourwalledcubicle [dot] com
               www.lufa-lib.org
    */
    
    /*
      Copyright 2014  Dean Camera (dean [at] fourwalledcubicle [dot] com)
    
      Permission to use, copy, modify, distribute, and sell this
      software and its documentation for any purpose is hereby granted
      without fee, provided that the above copyright notice appear in
      all copies and that both that the copyright notice and this
      permission notice and warranty disclaimer appear in supporting
      documentation, and that the name of the author not be used in
      advertising or publicity pertaining to distribution of the
      software without specific, written prior permission.
    
      The author disclaims all warranties with regard to this
      software, including all implied warranties of merchantability
      and fitness.  In no event shall the author be liable for any
      special, indirect or consequential damages or any damages
      whatsoever resulting from loss of use, data or profits, whether
      in an action of contract, negligence or other tortious action,
      arising out of or in connection with the use or performance of
      this software.
    */
    
    /** \file
     *
     *  Header file for BootloaderAPI.c.
     */
    
    #ifndef _BOOTLOADER_API_H_
    #define _BOOTLOADER_API_H_
    
    	/* Includes: */
    		#include <avr/io.h>
    		#include <avr/boot.h>
    		#include <stdbool.h>
    
    		#include <LUFA/Common/Common.h>
    
    		#include "Config/AppConfig.h"
    
    	/* User Application API: */
    		/** [User Application API] */
    		#define BOOTLOADER_API_TABLE_SIZE          32
    		#define BOOTLOADER_API_TABLE_START         ((FLASHEND + 1UL) - BOOTLOADER_API_TABLE_SIZE)
    		#define BOOTLOADER_API_CALL(Index)         (void*)((BOOTLOADER_API_TABLE_START + (Index * 2)) / 2)
    
    		void    (*BootAPI_ErasePage)(uint32_t Address)               = BOOTLOADER_API_CALL(0);
    		void    (*BootAPI_WritePage)(uint32_t Address)               = BOOTLOADER_API_CALL(1);
    		void    (*BootAPI_FillWord)(uint32_t Address, uint16_t Word) = BOOTLOADER_API_CALL(2);
    		uint8_t (*BootAPI_ReadSignature)(uint16_t Address)           = BOOTLOADER_API_CALL(3);
    		uint8_t (*BootAPI_ReadFuse)(uint16_t Address)                = BOOTLOADER_API_CALL(4);
    		uint8_t (*BootAPI_ReadLock)(void)                            = BOOTLOADER_API_CALL(5);
    		void    (*BootAPI_WriteLock)(uint8_t LockBits)               = BOOTLOADER_API_CALL(6);
    
    		#define BOOTLOADER_MAGIC_SIGNATURE_START   (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 2))
    		#define BOOTLOADER_MAGIC_SIGNATURE         0xDCFB
    
    		#define BOOTLOADER_CLASS_SIGNATURE_START   (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 4))
    		#define BOOTLOADER_CDC_SIGNATURE           0xDF00
    
    		#define BOOTLOADER_ADDRESS_START           (BOOTLOADER_API_TABLE_START + (BOOTLOADER_API_TABLE_SIZE - 8))
    		#define BOOTLOADER_ADDRESS_LENGTH          4
    		/** [User Application API] */
    
    	/* Function Prototypes: */
    		void    BootloaderAPI_ErasePage(const uint32_t Address);
    		void    BootloaderAPI_WritePage(const uint32_t Address);
    		void    BootloaderAPI_FillWord(const uint32_t Address, const uint16_t Word);
    		uint8_t BootloaderAPI_ReadSignature(const uint16_t Address);
    		uint8_t BootloaderAPI_ReadFuse(const uint16_t Address);
    		uint8_t BootloaderAPI_ReadLock(void);
    		void    BootloaderAPI_WriteLock(const uint8_t LockBits);
    
    #endif