Files
stm32samples/G4:G431/Servo/flash.h
Edward Emelianov 940b60df99 add flash storage
2026-07-29 21:01:01 +03:00

53 lines
1.7 KiB
C

/*
* This file is part of the flash project.
* Copyright 2023 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 <stdint.h>
#include "hardware.h"
// register with flash size (in blocks)
#ifndef FLASH_SIZE_REG
#define FLASH_SIZE_REG ((uint32_t)0x1FFF75E0)
#endif
#ifndef FLASH_SIZE
#define FLASH_SIZE *((uint16_t*)FLASH_SIZE_REG)
#endif
/*
* struct to save user configurations
*/
typedef struct __attribute__((packed, aligned(8))){
uint16_t userconf_sz; // "magick number"
uint32_t usart_speed; // speed of interface
uint16_t startpulse[SERVO_AMOUNT]; // starting position
uint16_t minpulse[SERVO_AMOUNT]; // minimal position
uint16_t maxpulse[SERVO_AMOUNT]; // maximal position
uint16_t maxspeed[SERVO_AMOUNT]; // maximal speed
} user_conf;
extern user_conf the_conf; // global user config (read from FLASH to RAM)
extern int currentconfidx;
extern uint32_t maxCnum;
void flashstorage_init();
int store_userconf();
void dump_userconf();
int erase_storage();