nuttx/boards/arm/cxd56xx/common/src/cxd56_bmi270_i2c.c

70 lines
2.1 KiB
C

/****************************************************************************
* boards/arm/cxd56xx/common/src/cxd56_bmi270_i2c.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 <stdio.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/board.h>
#include <nuttx/sensors/bmi270.h>
#include "cxd56_i2c.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BMI270_I2C_ADDRESS (0x69)
/****************************************************************************
* Public Functions
****************************************************************************/
int board_bmi270_initialize(int bus)
{
int ret;
struct i2c_master_s *i2c;
sninfo("Initializing BMI270..\n");
/* Initialize i2c device */
i2c = cxd56_i2cbus_initialize(bus);
if (!i2c)
{
snerr("ERROR: Failed to initialize i2c%d.\n", bus);
return -ENODEV;
}
ret = bmi270_register("/dev/accel0", i2c, BMI270_I2C_ADDRESS);
if (ret < 0)
{
snerr("Error registering BMI270\n");
}
return ret;
}