incubator-nuttx/drivers/wireless/bluetooth/bt_driver.c

126 lines
3.5 KiB
C

/****************************************************************************
* drivers/wireless/bluetooth/bt_driver.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/wireless/bluetooth/bt_driver.h>
#ifdef CONFIG_UART_BTH4
# include <nuttx/serial/uart_bth4.h>
#endif
#ifdef CONFIG_BLUETOOTH_BRIDGE
# include <nuttx/wireless/bluetooth/bt_bridge.h>
#endif
#ifdef CONFIG_BLUETOOTH_SLIP
# include <nuttx/wireless/bluetooth/bt_slip.h>
#endif
#include <stdio.h>
/****************************************************************************
* Private Functions
****************************************************************************/
static int bt_driver_register_internal(FAR struct bt_driver_s *driver,
FAR const char *prefix, int id)
{
#ifdef CONFIG_UART_BTH4
char name[32];
snprintf(name, sizeof(name), prefix, id);
return uart_bth4_register(name, driver);
#elif defined(CONFIG_NET_BLUETOOTH)
return bt_netdev_register(driver);
#else
return -ENOSYS;
#endif
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: bt_driver_register_with_id
*
* Description:
* Register bluetooth driver.
*
* Input Parameters:
* driver - an instance of the bt_driver_s interface
* id - bluetooth device id
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
*
****************************************************************************/
int bt_driver_register_with_id(FAR struct bt_driver_s *driver, int id)
{
#ifdef CONFIG_BLUETOOTH_BRIDGE
FAR struct bt_driver_s *btdrv;
FAR struct bt_driver_s *bledrv;
#endif
int ret;
#ifdef CONFIG_BLUETOOTH_SLIP
driver = bt_slip_register(driver);
if (driver == NULL)
{
return -ENOMEM;
}
#endif
#ifdef CONFIG_BLUETOOTH_BRIDGE
ret = bt_bridge_register(driver, &btdrv, &bledrv);
if (ret < 0)
{
return ret;
}
ret = bt_driver_register_internal(btdrv, "/dev/ttyBT%d", id);
if (ret < 0)
{
return ret;
}
ret = bt_driver_register_internal(bledrv, "/dev/ttyBLE%d", id);
if (ret < 0)
{
return ret;
}
#else
ret = bt_driver_register_internal(driver, "/dev/ttyHCI%d", id);
if (ret < 0)
{
return ret;
}
#endif
return ret;
}