Function rt_device_init

components/drivers/core/device.c:186–211

* @brief This function will initialize the specified device. * * @param dev is the pointer of device driver structure. * * @return the result, RT_EOK on successfully. */

 * @return the result, RT_EOK on successfully.
 */
rt_err_t rt_device_init(rt_device_t dev)
{
    rt_err_t result = RT_EOK;

    RT_ASSERT(dev != RT_NULL);

    /* get device_init handler */
    if (device_init != RT_NULL)
    {
        if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
        {
            result = device_init(dev);
            if (result != RT_EOK)
            {
                LOG_E("To initialize device:%.*s failed. The error code is %d",
                      RT_NAME_MAX, dev->parent.name, result);
            }
            else
            {
                dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
            }
        }
    }

    return result;
}

/**
 * @brief This function will open a device.