rt-thread-official/components/drivers/core/driver.c

54 lines
915 B
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <rtthread.h>
#include <drivers/core/bus.h>
#if defined(RT_USING_POSIX_DEVIO)
#include <rtdevice.h> /* for wqueue_init */
#endif
/**
* This function attach a driver to bus
*
* @param drv the driver to be attached
*/
rt_err_t rt_driver_register(rt_driver_t drv)
{
rt_err_t ret;
struct rt_bus *bus = RT_NULL;
RT_ASSERT(drv != RT_NULL);
if (drv->bus)
{
bus = drv->bus;
ret = rt_bus_add_driver(bus, drv);
}
else
{
ret = -RT_EINVAL;
}
return ret;
}
RTM_EXPORT(rt_driver_register);
/**
* This function remove driver from system.
*
* @param drv the driver to be removed
*/
rt_err_t rt_driver_unregister(rt_driver_t drv)
{
rt_err_t ret;
ret = rt_bus_remove_driver(drv);
return ret;
}
RTM_EXPORT(rt_driver_unregister);