nuttx/configs/lc823450-xgevk/src/lc823450_bt.c
Masayuki Ishikawa a7a258e05e Merged in masayuki2009/nuttx.nuttx/lc823450_bt (pull request #657)
lc823450 bt

* arch/arm/src/lc823450: Fix H/W flow control in lc823450_serial.c

    Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

* configs/lc823450-xgevk: Add lc823450-xgevk/bt configuration

    NOTE: This configuration requires external bluetooth stack.

    Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

Approved-by: GregoryN <gnutt@nuttx.org>
2018-06-13 12:50:12 +00:00

81 lines
3.0 KiB
C

/****************************************************************************
* configs/lc823450-xgevk/src/lc823450_bt.c
*
* Copyright 2018 Sony Video & Sound Products Inc.
* Author: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
*
* 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 NuttX 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 OWNER 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/config.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include <unistd.h>
#include "chip.h"
#include "up_arch.h"
#include "up_internal.h"
#include "lc823450_gpio.h"
#include "lc823450-xgevk.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BT_POWER (GPIO_PORT1 | GPIO_PIN7)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_bt_enable
****************************************************************************/
void up_bt_enable(int enable)
{
if (enable)
{
lc823450_gpio_write(BT_POWER, 0);
usleep(100 * 1000);
lc823450_gpio_write(BT_POWER, 1);
usleep(100 * 1000);
}
else
{
lc823450_gpio_write(BT_POWER, 0);
}
}