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drivers/wireless/bluetooth: Add a NULL device to support some very low level testing on the Simulator.

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This commit is contained in:
Gregory Nutt 2018-04-03 09:00:18 -06:00
parent a91edf7f3c
commit 15d033e32b
7 changed files with 186 additions and 2 deletions
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11
configs/sim/src/sim_bringup.c
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@ -52,6 +52,7 @@
#include <nuttx/video/fb.h>
#include <nuttx/timers/oneshot.h>
#include <nuttx/wireless/pktradio.h>
#include <nuttx/wireless/bt_null.h>
#include <nuttx/wireless/ieee802154/ieee802154_loopback.h>
#include "up_internal.h"
@ -256,6 +257,16 @@ int sim_bringup(void)
}
#endif
#ifdef CONFIG_BLUETOOTH_NULL
/* Register the NULL Bluetooth network device */
ret = btnull_register();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: btnull_register() failed: %d\n", ret);
}
#endif
UNUSED(ret);
return OK;
}

2
drivers/audio/Kconfig
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@ -249,7 +249,7 @@ config AUDIO_NULL
default n
depends on AUDIO
---help---
A do-nothinig audio device driver to simplify testing of audio
A do-nothing audio device driver to simplify testing of audio
decoders.
if AUDIO_NULL

9
drivers/wireless/bluetooth/Kconfig
View File

@ -47,4 +47,13 @@ config BLUETOOTH_UART
---help---
Enable Bluetooth UART driver.
config BLUETOOTH_NULL
bool "NULL Bluetooth device"
default n
---help---
A do-nothing Bluetooth device driver to permit some basic testing of
the Bluetooth stack on the simulator. This driver just "closes the
loop" and nothing more: It is a just a bit-bucket for outgoing
packets; it generates no incoming packets.
endif # DRIVERS_BLUETOOTH

4
drivers/wireless/bluetooth/Make.defs
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@ -43,6 +43,10 @@ ifeq ($(CONFIG_BLUETOOTH_UART),y)
CSRCS += bt_uart.c
endif
ifeq ($(CONFIG_BLUETOOTH_NULL),y)
CSRCS += bt_null.c
endif
# Include common Bluetooth drvier build support
DEPPATH += --dep-path wireless$(DELIM)bluetooth

100
drivers/wireless/bluetooth/bt_null.c Normal file
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@ -0,0 +1,100 @@
/****************************************************************************
* drivers/wireless/bluetooth/bt_null.c
* UART based Bluetooth driver
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/wireless/bt_driver.h>
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int btnull_open(FAR const struct bt_driver_s *dev);
static int btnull_send(FAR const struct bt_driver_s *dev,
FAR struct bt_buf_s *buf);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct bt_driver_s g_bt_null =
{
0, /* head_reserve */
btnull_open, /* open */
btnull_send /* send */
}
/****************************************************************************
* Private Functions
****************************************************************************/
static int btnull_send(FAR const struct bt_driver_s *dev,
FAR struct bt_buf_s *buf)
{
return OK;
}
static int btnull_open(FAR const struct bt_driver_s *dev)
{
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: btnull_register
*
* Description:
* Register the NULL Bluetooth stack with the Bluetooth stack
*
* Input Parameters:
* None
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
*
****************************************************************************/
int btnull_register(void)
{
/* Register the driver with the Bluetooth stack */
return bt_driver_register(&g_bt_null);
}

2
drivers/wireless/bluetooth/bt_uart.c
View File

@ -1,5 +1,5 @@
/****************************************************************************
* drivers/wireless/bluetooth/btuart.c
* drivers/wireless/bluetooth/bt_uart.c
* UART based Bluetooth driver
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.

60
include/nuttx/wireless/bt_null.h Normal file
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@ -0,0 +1,60 @@
/****************************************************************************
* drivers/wireless/bluetooth/bt_null.h
* NULL based Bluetooth driver
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_WIRELESS_BT_NULL_H
#define __INCLUDE_NUTTX_WIRELESS_BT_NULL_H 1
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: btnull_register
*
* Description:
* Register the NULL Bluetooth stack with the Bluetooth stack
*
* Input Parameters:
* None
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
*
****************************************************************************/
int btnull_register(void);
#endif /* __INCLUDE_NUTTX_WIRELESS_BT_NULL_H */