118 lines
2.6 KiB
C
118 lines
2.6 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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#include <rtdevice.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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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_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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{
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return device->ops->read(device, offset, data, length);
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}
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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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{
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return device->ops->write(device, offset, data, length);
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}
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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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{
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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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