51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* COPYRIGHT (C) 2011-2021, Real-Thread Information Technology Ltd
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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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* 2012-5-30 Bernard the first version
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*/
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#ifndef __MTD_NOR_H__
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#define __MTD_NOR_H__
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#include <rtthread.h>
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struct rt_mtd_nor_driver_ops;
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#define RT_MTD_NOR_DEVICE(device) ((struct rt_mtd_nor_device*)(device))
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struct rt_mtd_nor_device
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{
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struct rt_device parent;
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rt_uint32_t block_size; /* The Block size in the flash */
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rt_uint32_t block_start; /* The start of available block*/
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rt_uint32_t block_end; /* The end of available block */
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/* operations interface */
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const struct rt_mtd_nor_driver_ops* ops;
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};
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struct rt_mtd_nor_driver_ops
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{
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rt_err_t (*read_id) (struct rt_mtd_nor_device* device);
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rt_size_t (*read) (struct rt_mtd_nor_device* device, rt_off_t offset, rt_uint8_t* data, rt_uint32_t length);
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rt_size_t (*write) (struct rt_mtd_nor_device* device, rt_off_t offset, const rt_uint8_t* data, rt_uint32_t length);
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rt_err_t (*erase_block)(struct rt_mtd_nor_device* device, rt_off_t offset, rt_uint32_t length);
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};
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rt_err_t rt_mtd_nor_register_device(const char* name, struct rt_mtd_nor_device* device);
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rt_uint32_t rt_mtd_nor_read_id(struct rt_mtd_nor_device* device);
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rt_size_t rt_mtd_nor_read(struct rt_mtd_nor_device* device,
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rt_off_t offset, rt_uint8_t* data, rt_uint32_t length);
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rt_size_t rt_mtd_nor_write(struct rt_mtd_nor_device* device,
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rt_off_t offset, const rt_uint8_t* data, rt_uint32_t length);
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rt_err_t rt_mtd_nor_erase_block(struct rt_mtd_nor_device* device,
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rt_off_t offset, rt_size_t length);
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#endif
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