nuttx/boards/arm/cxd56xx/common/src/cxd56_bmi160_spi.c
SPRESENSE d560ce65ff cxd56xx: spresense: Add some improvements and fix bugs for Spresense board
- Add new functions of GNSS
- Support the lower PWM frequency
- Add CONFIG_CPUFREQ_RELEASE_LOCK
- Add high speed ADC support
- Add HPADC input gain configuration
- Add eMMC device
- Frame buffer support
- Fix SD/GNSS/sensor drivers not worked
- Build errors
- Fix nxstyle issues
2020-07-28 09:13:05 +02:00

84 lines
2.8 KiB
C

/****************************************************************************
* boards/arm/cxd56xx/common/src/cxd56_bmi160_spi.c
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* 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 Sony Semiconductor Solutions Corporation 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 <stdio.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/board.h>
#include <nuttx/spi/spi.h>
#include <nuttx/sensors/bmi160.h>
#include "cxd56_spi.h"
/****************************************************************************
* Public Functions
****************************************************************************/
#if defined(CONFIG_CXD56_SPI) && defined(CONFIG_SENSORS_BMI160)
int board_bmi160_initialize(int bus)
{
int ret;
FAR struct spi_dev_s *spi;
sninfo("Initializing BMI160..\n");
/* Initialize spi device */
spi = cxd56_spibus_initialize(bus);
if (!spi)
{
snerr("ERROR: Failed to initialize spi%d.\n", bus);
return -ENODEV;
}
ret = bmi160_register("/dev/accel0", spi);
if (ret < 0)
{
snerr("Error registering BMI160\n");
}
return ret;
}
#endif