bia_microddr_fw/common_src/memory.h

/*************************************************************************
 * Copyright (C) 2019 by Justin Byers
 * 
 * This file is part of clubdance_v2.
 *
 * clubdance_v2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * clubdance_v2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with clubdance_v2.  If not, see <https://www.gnu.org/licenses/>.
 *************************************************************************/

/**
 * @file memory.h
 * @author Justin Byers
 * @date August 11, 2019
 * @brief Program flash memory addresses of data relocated to work with the bootloader.
 *
 */
#ifndef MEMORY_
#define	MEMORY_

/**
 * When changing the location of the application in flash memory these files and settings
 * must be updated.
 *      In bootloader project:
 *          VectorRemap.asm     HiVector goto -> APP_FW_MEMORY_OFFSET + 0x08
 *                              LoVector goto -> APP_FW_MEMORY_OFFSET + 0x18
 *          Configuration > Linker > Memory Model > ROM space -> default,-APP_FW_MEMORY_OFFSET-7FFF
 *      In application project:
 *          
 */

/**
 * The base address of the application memory space. The application's reset vector will be
 * at this address. 
 */
#define APP_FW_MEMORY_OFFSET 0x2000

/**
 * The address in application memory space that stores the application's version number.
 */
#define APP_FW_VERSION_ADDRESS (APP_FW_MEMORY_OFFSET + 0x16)

/**
 * The address in application memory space that stores the signature word written by
 * the bootloader after a sucessful flash of application firmware.
 */
#define APP_SIGNATURE_ADDRESS (APP_FW_MEMORY_OFFSET + 0x06)

/**
 * The absolute address of the bootloader entrypoint. The application can jump to the
 * bootloader by executing a "goto" instruction with this address.
 */
#define BOOTLOADER_ENTRYPOINT 0x001C

#endif	/* MEMORY_ */