109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/*
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* File : mtd_nor.c
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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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#include <drivers/mtd_nor.h>
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#ifdef RT_USING_MTD_NOR
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/**
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* RT-Thread Generic Device Interface
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*/
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static rt_err_t _mtd_init(rt_device_t dev)
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{
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return RT_EOK;
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}
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static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag)
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{
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return RT_EOK;
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}
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static rt_err_t _mtd_close(rt_device_t dev)
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{
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return RT_EOK;
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}
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static rt_size_t _mtd_read(rt_device_t dev,
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rt_off_t pos,
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void *buffer,
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rt_size_t size)
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{
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return size;
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}
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static rt_size_t _mtd_write(rt_device_t dev,
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rt_off_t pos,
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const void *buffer,
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rt_size_t size)
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{
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return size;
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}
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static rt_err_t _mtd_control(rt_device_t dev, int cmd, void *args)
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{
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return RT_EOK;
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}
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#ifdef RT_USING_DEVICE_OPS
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const static struct rt_device_ops mtd_nor_ops =
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{
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_mtd_init,
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_mtd_open,
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_mtd_close,
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_mtd_read,
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_mtd_write,
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_mtd_control
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};
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#endif
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rt_err_t rt_mtd_nor_register_device(const char *name,
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struct rt_mtd_nor_device *device)
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{
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rt_device_t dev;
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dev = RT_DEVICE(device);
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RT_ASSERT(dev != RT_NULL);
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/* set device class and generic device interface */
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dev->type = RT_Device_Class_MTD;
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#ifdef RT_USING_DEVICE_OPS
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dev->ops = &mtd_nor_ops;
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#else
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dev->init = _mtd_init;
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dev->open = _mtd_open;
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dev->read = _mtd_read;
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dev->write = _mtd_write;
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dev->close = _mtd_close;
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dev->control = _mtd_control;
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#endif
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dev->rx_indicate = RT_NULL;
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dev->tx_complete = RT_NULL;
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/* register to RT-Thread device system */
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return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
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}
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#endif
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