118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/*
|
|
* COPYRIGHT (C) 2011-2023, Real-Thread Information Technology Ltd
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2012-5-30 Bernard the first version
|
|
*/
|
|
|
|
#include <rtdevice.h>
|
|
|
|
#ifdef RT_USING_MTD_NOR
|
|
|
|
/**
|
|
* RT-Thread Generic Device Interface
|
|
*/
|
|
static rt_err_t _mtd_init(rt_device_t dev)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t _mtd_open(rt_device_t dev, rt_uint16_t oflag)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t _mtd_close(rt_device_t dev)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_ssize_t _mtd_read(rt_device_t dev,
|
|
rt_off_t pos,
|
|
void *buffer,
|
|
rt_size_t size)
|
|
{
|
|
return size;
|
|
}
|
|
|
|
static rt_ssize_t _mtd_write(rt_device_t dev,
|
|
rt_off_t pos,
|
|
const void *buffer,
|
|
rt_size_t size)
|
|
{
|
|
return size;
|
|
}
|
|
|
|
static rt_err_t _mtd_control(rt_device_t dev, int cmd, void *args)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
const static struct rt_device_ops mtd_nor_ops =
|
|
{
|
|
_mtd_init,
|
|
_mtd_open,
|
|
_mtd_close,
|
|
_mtd_read,
|
|
_mtd_write,
|
|
_mtd_control
|
|
};
|
|
#endif
|
|
|
|
rt_err_t rt_mtd_nor_register_device(const char *name,
|
|
struct rt_mtd_nor_device *device)
|
|
{
|
|
rt_device_t dev;
|
|
|
|
dev = RT_DEVICE(device);
|
|
RT_ASSERT(dev != RT_NULL);
|
|
|
|
/* set device class and generic device interface */
|
|
dev->type = RT_Device_Class_MTD;
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
dev->ops = &mtd_nor_ops;
|
|
#else
|
|
dev->init = _mtd_init;
|
|
dev->open = _mtd_open;
|
|
dev->read = _mtd_read;
|
|
dev->write = _mtd_write;
|
|
dev->close = _mtd_close;
|
|
dev->control = _mtd_control;
|
|
#endif
|
|
|
|
dev->rx_indicate = RT_NULL;
|
|
dev->tx_complete = RT_NULL;
|
|
|
|
/* register to RT-Thread device system */
|
|
return rt_device_register(dev, name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
|
|
}
|
|
|
|
rt_uint32_t rt_mtd_nor_read_id(struct rt_mtd_nor_device* device)
|
|
{
|
|
return device->ops->read_id(device);
|
|
}
|
|
|
|
rt_ssize_t rt_mtd_nor_read(struct rt_mtd_nor_device* device,
|
|
rt_off_t offset, rt_uint8_t* data, rt_size_t length)
|
|
{
|
|
return device->ops->read(device, offset, data, length);
|
|
}
|
|
|
|
rt_ssize_t rt_mtd_nor_write(struct rt_mtd_nor_device* device,
|
|
rt_off_t offset, const rt_uint8_t* data, rt_size_t length)
|
|
{
|
|
return device->ops->write(device, offset, data, length);
|
|
}
|
|
|
|
rt_err_t rt_mtd_nor_erase_block(struct rt_mtd_nor_device* device,
|
|
rt_off_t offset, rt_size_t length)
|
|
{
|
|
return device->ops->erase_block(device, offset, length);
|
|
}
|
|
|
|
#endif
|