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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* This file is part of the fx3u project.
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* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f1.h>
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#define FLASH_SIZE_REG ((uint32_t)0x1FFFF7E0)
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#define FLASH_SIZE *((uint16_t*)FLASH_SIZE_REG)
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/*
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* struct to save user configurations
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*/
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typedef struct __attribute__((aligned(4))){
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uint16_t userconf_sz; // "magick number"
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uint16_t CANIDin; // CAN bus device ID for input commands
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uint16_t CANIDout; // -//- for output signals
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uint16_t reserved;
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uint32_t bouncetime; // anti-bounce timeout (ms)
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uint32_t usartspeed; // RS-232 speed
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uint32_t CANspeed; // CAN bus speed
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} user_conf;
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extern user_conf the_conf;
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extern const uint32_t FLASH_blocksize;
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extern const user_conf *Flash_Data;
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extern int currentconfidx;
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void flashstorage_init();
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int store_userconf();
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int erase_storage(int npage);
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