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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* This file is part of the encoders project.
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* Copyright 2025 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 <stdint.h>
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#include "usb_descr.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 size (in letters) of iInterface for settings
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#define MAX_IINTERFACE_SZ (16)
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typedef struct{
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uint8_t CPOL : 1;
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uint8_t CPHA : 1;
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uint8_t BR : 3;
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} flags_t;
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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 iInterface[bTotNumEndpoints][MAX_IINTERFACE_SZ]; // hryunikod!
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uint8_t iIlengths[bTotNumEndpoints];
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flags_t flags; // flags: CPOL, CPHA etc
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uint8_t encbits; // encoder bits: 26 or 32
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} user_conf;
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extern user_conf the_conf;
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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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