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https://github.com/eddyem/stm32samples.git
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90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
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* flash.h
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*
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* Copyright 2017 Edward V. Emelianov <eddy@sao.ru, 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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#pragma once
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#ifndef __FLASH_H__
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#define __FLASH_H__
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#include <stm32f1.h>
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#include "hardware.h"
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#define FLASH_BLOCK_SIZE (1024)
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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__((packed, aligned(4))){
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uint16_t userconf_sz; // "magick number"
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uint16_t NLfreeWarn; // warn user when there's less free log records than NLfreeWarn
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uint8_t trigstate; // level in `triggered` state
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uint8_t defflags; // default flags
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uint16_t dist_min; // minimal distance for LIDAR
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uint16_t dist_max; // maximal -//-
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uint32_t USART_speed; // USART1 speed (115200 by default)
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uint32_t LIDAR_speed; // USART3 speed (115200 by default)
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uint16_t trigpause[TRIGGERS_AMOUNT]; // pause (ms) for false shots
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uint16_t ledshow_time; // shutter events display time (ms)
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} user_conf;
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// values for user_conf.defflags:
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// save events in flash
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#define FLAG_SAVE_EVENTS (1 << 0)
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// strings ends with "\r\n" instead of normal "\n"
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#define FLAG_STRENDRN (1 << 1)
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// proxy GPS messages over USART1
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#define FLAG_GPSPROXY (1 << 2)
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// USART3 works as regular TTY instead of LIDAR
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#define FLAG_NOLIDAR (1 << 3)
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/*
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* struct to save events logs
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*/
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typedef struct __attribute__((packed, aligned(4))){
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uint16_t evtlog_sz;
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uint8_t trigno;
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trigtime shottime;
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int16_t triglen;
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uint16_t lidar_dist;
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} event_log;
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extern user_conf the_conf;
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extern const user_conf *Flash_Data;
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extern const event_log *logsstart;
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extern uint32_t maxCnum, maxLnum;
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// data from ld-file
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extern uint32_t _varslen, __varsstart, __logsstart;
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void flashstorage_init();
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int store_userconf();
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int store_log(event_log *L);
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int dump_log(int start, int Nlogs);
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#ifdef EBUG
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void dump_userconf();
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void addNrecs(int N);
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#endif
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#endif // __FLASH_H__
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