kopia lustrzana https://github.com/micropython/micropython
59 wiersze
2.1 KiB
C
59 wiersze
2.1 KiB
C
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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* Copyright (c) 2021 Renesas Electronics Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/mpconfig.h"
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#include "py/misc.h"
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#include "py/mphal.h"
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#include "flash.h"
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typedef struct {
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uint32_t base_address;
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uint32_t sector_size;
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uint32_t sector_count;
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} flash_layout_t;
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uint32_t flash_get_sector_info(uint32_t addr, uint32_t *start_addr, uint32_t *size) {
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*start_addr = sector_start(addr);
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*size = sector_size(addr);
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return sector_index(addr);
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}
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bool flash_erase(uint32_t flash_dest, uint32_t num_word32) {
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// check there is something to write
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if (num_word32 == 0) {
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return true;
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}
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bool ret = internal_flash_eraseblock((unsigned char *)flash_dest);
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return ret;
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}
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bool flash_write(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) {
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bool ret;
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ret = internal_flash_write((unsigned char *)flash_dest, num_word32, (uint8_t *)src, false);
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return ret;
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}
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