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