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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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components/drivers/spi/spi_dev.c Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include <rtthread.h>
#include <drivers/spi.h>
/* SPI bus device interface, compatible with RT-Thread 0.3.x/1.0.x */
static rt_ssize_t _spi_bus_device_read(rt_device_t dev,
rt_off_t pos,
void *buffer,
rt_size_t size)
{
struct rt_spi_bus *bus;
bus = (struct rt_spi_bus *)dev;
RT_ASSERT(bus != RT_NULL);
RT_ASSERT(bus->owner != RT_NULL);
return rt_spi_transfer(bus->owner, RT_NULL, buffer, size);
}
static rt_ssize_t _spi_bus_device_write(rt_device_t dev,
rt_off_t pos,
const void *buffer,
rt_size_t size)
{
struct rt_spi_bus *bus;
bus = (struct rt_spi_bus *)dev;
RT_ASSERT(bus != RT_NULL);
RT_ASSERT(bus->owner != RT_NULL);
return rt_spi_transfer(bus->owner, buffer, RT_NULL, size);
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops spi_bus_ops =
{
RT_NULL,
RT_NULL,
RT_NULL,
_spi_bus_device_read,
_spi_bus_device_write,
RT_NULL
};
#endif
rt_err_t rt_spi_bus_device_init(struct rt_spi_bus *bus, const char *name)
{
struct rt_device *device;
RT_ASSERT(bus != RT_NULL);
device = &bus->parent;
/* set device type */
device->type = RT_Device_Class_SPIBUS;
/* initialize device interface */
#ifdef RT_USING_DEVICE_OPS
device->ops = &spi_bus_ops;
#else
device->init = RT_NULL;
device->open = RT_NULL;
device->close = RT_NULL;
device->read = _spi_bus_device_read;
device->write = _spi_bus_device_write;
device->control = RT_NULL;
#endif
/* register to device manager */
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
}
/* SPI Dev device interface, compatible with RT-Thread 0.3.x/1.0.x */
static rt_ssize_t _spidev_device_read(rt_device_t dev,
rt_off_t pos,
void *buffer,
rt_size_t size)
{
struct rt_spi_device *device;
device = (struct rt_spi_device *)dev;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL);
return rt_spi_transfer(device, RT_NULL, buffer, size);
}
static rt_ssize_t _spidev_device_write(rt_device_t dev,
rt_off_t pos,
const void *buffer,
rt_size_t size)
{
struct rt_spi_device *device;
device = (struct rt_spi_device *)dev;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL);
return rt_spi_transfer(device, buffer, RT_NULL, size);
}
static rt_err_t _spidev_device_control(rt_device_t dev,
int cmd,
void *args)
{
switch (cmd)
{
case 0: /* set device */
break;
case 1:
break;
}
return RT_EOK;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops spi_device_ops =
{
RT_NULL,
RT_NULL,
RT_NULL,
_spidev_device_read,
_spidev_device_write,
_spidev_device_control
};
#endif
rt_err_t rt_spidev_device_init(struct rt_spi_device *dev, const char *name)
{
struct rt_device *device;
RT_ASSERT(dev != RT_NULL);
device = &(dev->parent);
/* set device type */
device->type = RT_Device_Class_SPIDevice;
#ifdef RT_USING_DEVICE_OPS
device->ops = &spi_device_ops;
#else
device->init = RT_NULL;
device->open = RT_NULL;
device->close = RT_NULL;
device->read = _spidev_device_read;
device->write = _spidev_device_write;
device->control = _spidev_device_control;
#endif
/* register to device manager */
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
}