mirror of
https://github.com/eddyem/stm32samples.git
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66 lines
2.4 KiB
C
66 lines
2.4 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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// maximal bit NUMBER (0 etc) of flags
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#define MAX_FLAG_BITNO (3)
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typedef union{
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uint32_t u32;
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struct{
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uint32_t sw_send_esw_can : 1; // 0 - if ESW state changes, send message over CAN with CANID_IN
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uint32_t sw_send_relay_can : 1; // 1 - switching ESW state will send CMD_RELAY command with CANID_OUT
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uint32_t sw_send_relay_inv : 1; // 2 - sw_send should be inverted related to current inputs value
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uint32_t sw_send_relay_modbus : 1; // 3 - 1 for modbus
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};
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} confflags_t;
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// ALL sw_send flags mask (without relay_inv)
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#define SW_SEND_MASK (0x0B)
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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; // added for 32-bit align
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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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confflags_t flags; // different flags
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uint32_t modbusID; // MODBUS-RTU ID (0 for master)
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uint32_t modbusIDout; // MODBUS-RTU slave ID to send relay command when IN changes
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uint32_t modbusspeed; // Speed of modbus interface
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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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