mirror of https://github.com/ARMmbed/mbed-os.git
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2013-2016 Realtek Semiconductor Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "flash_ext.h"
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#define FLASH_START (SPI_FLASH_BASE + FLASH_OFS_START)
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#define FLASH_END (SPI_FLASH_BASE + FLASH_OFS_END)
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#define FLASH_OFS(addr) ((addr) - SPI_FLASH_BASE)
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int32_t flash_init(flash_t *obj)
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{
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__flash_ext_turnon();
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return 0;
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}
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int32_t flash_free(flash_t *obj)
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{
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__flash_ext_turnoff();
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return 0;
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}
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int32_t flash_erase_sector(flash_t *obj, uint32_t address)
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{
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__flash_ext_erase_sector(obj, FLASH_OFS(address));
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return 0;
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}
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int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
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{
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return __flash_ext_stream_write(obj, FLASH_OFS(address), size, data);
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}
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uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
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{
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if (address < FLASH_START || address >= FLASH_END)
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return 0;
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return FLASH_SECTOR_SIZE;
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}
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uint32_t flash_get_page_size(const flash_t *obj)
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{
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return FLASH_PAGE_SIZE;
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}
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uint32_t flash_get_start_address(const flash_t *obj)
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{
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return FLASH_START;
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}
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uint32_t flash_get_size(const flash_t *obj)
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{
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return FLASH_SIZE;
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}
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