Edward Emelianov bfb659e234 start writting
2024-05-29 20:17:35 +03:00

42 lines
1.3 KiB
C

/*
* This file is part of the fx3u project.
* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stm32f1.h>
#define FLASH_SIZE_REG ((uint32_t)0x1FFFF7E0)
#define FLASH_SIZE *((uint16_t*)FLASH_SIZE_REG)
/*
* struct to save user configurations
*/
typedef struct __attribute__((packed, aligned(4))){
uint16_t userconf_sz; // "magick number"
uint16_t canspeed; // CAN bus speed
uint16_t canID; // CAN bus device ID
uint32_t rs232speed; // speed of RS-232
} user_conf;
extern user_conf the_conf;
void flashstorage_init();
int store_userconf();
int erase_storage(int npage);
void dump_userconf();