Function rt_audio_register

components/drivers/audio/dev_audio.c:659–691

* @brief Register and initialize audio device * * @param[in] audio pointer to audio deive * * @param[in] name device name * * @param[in] flag device flags * * @param[in] data user data * * @return error code, RT_EOK is successful otherwise means failure */

 * @return error code, RT_EOK is successful otherwise means failure
 */
rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data)
{
    rt_err_t result = RT_EOK;
    struct rt_device *device;

    RT_ASSERT(audio != RT_NULL);
    device = &(audio->parent);

    device->type = RT_Device_Class_Sound;
    device->rx_indicate = RT_NULL;
    device->tx_complete = RT_NULL;

#ifdef RT_USING_DEVICE_OPS
    device->ops  = &audio_ops;
#else
    device->init    = _audio_dev_init;
    device->open    = _audio_dev_open;
    device->close   = _audio_dev_close;
    device->read    = _audio_dev_read;
    device->write   = _audio_dev_write;
    device->control = _audio_dev_control;
#endif
    device->user_data = data;

    /* register a character device */
    result = rt_device_register(device, name, flag | RT_DEVICE_FLAG_REMOVABLE);

    /* initialize audio device */
    if (result == RT_EOK)
        result = rt_device_init(device);

    return result;
}

/**
 * @brief Set audio sample rate