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62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* flash.h
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*
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* Copyright 2015 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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#pragma once
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#ifndef __FLASH_H__
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#define __FLASH_H__
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#include "main.h"
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#include "user_proto.h"
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/*
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* this is a default values of stored data
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* they could be changed by appropriate command
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* align by 2k & make size 2k for using with high density devices
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*/
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#define FLASH_BLOCK_SIZE (2048)
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#define FLASH_WRONG_DATA_WRITTEN ((uint8_t)0x80)
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#define FLASH_MAGICK ((uint32_t) 0xAA55A55A)
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typedef struct{
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//uint32_t magick; // magick value
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// A-D value[x] = ADU * ADC_multipliers[x] / ADC_divisors[x]
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uint32_t _ADC_multipliers[ADC_CHANNELS_NUMBER];
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uint32_t _ADC_divisors[ADC_CHANNELS_NUMBER];
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// char last_addr[0]; // we need this pointer to calculate real size of structure
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}stored_data;
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typedef struct{
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stored_data all_stored;
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char struct_end[0] __attribute__ ((aligned(FLASH_BLOCK_SIZE))); // this pointer provides size of structure multiple of page size
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} flash_data;
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extern stored_data Stored_Data;
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#define ADC_multipliers Stored_Data._ADC_multipliers
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#define ADC_divisors Stored_Data._ADC_divisors
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void dump_flash_data(sendfun s);
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uint8_t save_flashdata();
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void read_stored_data();
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#endif // __FLASH_H__
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