66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*************************************************************************
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* Copyright (C) 2019 by Justin Byers
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*
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* This file is part of clubdance_v2.
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*
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* clubdance_v2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* clubdance_v2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with clubdance_v2. If not, see <https://www.gnu.org/licenses/>.
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*************************************************************************/
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/**
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* @file memory.h
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* @author Justin Byers
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* @date August 11, 2019
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* @brief Program flash memory addresses of data relocated to work with the bootloader.
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*
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*/
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#ifndef MEMORY_
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#define MEMORY_
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/**
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* When changing the location of the application in flash memory these files and settings
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* must be updated.
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* In bootloader project:
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* VectorRemap.asm HiVector goto -> APP_FW_MEMORY_OFFSET + 0x08
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* LoVector goto -> APP_FW_MEMORY_OFFSET + 0x18
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* Configuration > Linker > Memory Model > ROM space -> default,-APP_FW_MEMORY_OFFSET-7FFF
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* In application project:
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*
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*/
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/**
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* The base address of the application memory space. The application's reset vector will be
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* at this address.
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*/
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#define APP_FW_MEMORY_OFFSET 0x2000
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/**
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* The address in application memory space that stores the application's version number.
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*/
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#define APP_FW_VERSION_ADDRESS (APP_FW_MEMORY_OFFSET + 0x16)
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/**
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* The address in application memory space that stores the signature word written by
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* the bootloader after a sucessful flash of application firmware.
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*/
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#define APP_SIGNATURE_ADDRESS (APP_FW_MEMORY_OFFSET + 0x06)
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/**
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* The absolute address of the bootloader entrypoint. The application can jump to the
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* bootloader by executing a "goto" instruction with this address.
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*/
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#define BOOTLOADER_ENTRYPOINT 0x001C
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#endif /* MEMORY_ */
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