micropython/ports/renesas-ra/flash.c

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