75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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2018-09-10 heyuanjie87 first version
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*/
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#include <drivers/mtdnor.h>
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#ifdef MTD_USING_NOR
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static int _nor_erase(rt_mtd_t *mtd, loff_t addr, size_t len)
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{
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rt_nor_t *nor;
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nor = (rt_nor_t *)mtd;
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return nor->ops->erase(nor, addr, len);
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}
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static int _nor_read(rt_mtd_t *mtd, loff_t from, struct mtd_io_desc *desc)
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{
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rt_nor_t *nor;
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int ret;
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nor = (rt_nor_t *)mtd;
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ret = nor->ops->read(nor, from, desc->datbuf, desc->datlen);
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if (ret > 0)
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{
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desc->datretlen = ret;
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ret = 0;
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}
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return ret;
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}
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static int _nor_write(rt_mtd_t *mtd, loff_t to, struct mtd_io_desc *desc)
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{
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rt_nor_t *nor;
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int ret;
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nor = (rt_nor_t *)mtd;
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ret = nor->ops->write(nor, to, desc->datbuf, desc->datlen);
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if (ret > 0)
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{
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desc->datretlen = ret;
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ret = 0;
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}
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return ret;
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}
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static const struct mtd_ops _ops =
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{
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_nor_erase,
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_nor_read,
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_nor_write,
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0,
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0
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};
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int rt_mtd_nor_init(rt_nor_t *nor, int blksize)
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{
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nor->parent.sector_size = 1;
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nor->parent.block_size = blksize;
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nor->parent.ops = &_ops;
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nor->parent.type = MTD_TYPE_NOR;
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nor->parent.oob_size = 0;
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return 0;
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}
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#endif
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