82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* File : mtd_nor.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2012, Shanghai Real-Thread Technology Co., Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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 <rtdevice.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_inline rt_uint32_t rt_mtd_nor_read_id(struct rt_mtd_nor_device* device)
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{
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return device->ops->read_id(device);
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}
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rt_inline rt_size_t rt_mtd_nor_read(
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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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{
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return device->ops->read(device, offset, data, length);
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}
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rt_inline rt_size_t rt_mtd_nor_write(
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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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{
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return device->ops->write(device, offset, data, length);
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}
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rt_inline rt_err_t rt_mtd_nor_erase_block(struct rt_mtd_nor_device* device, rt_off_t offset, rt_size_t length)
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{
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return device->ops->erase_block(device, offset, length);
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}
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#endif
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