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sensors: Support fxos8700cq motion I2C sensor

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Device is composed of
3-axis, linear accelerometer and 3-axis, magnetometer

It is onboarded in NXP FRDM-K64F SBC.

Change-Id: I405a12cbf2c9994f3bd66e108d2eb8faeee00e18
Bug: https://github.com/apache/incubator-nuttx/issues/1988
Relate-to: https://www.nxp.com/docs/en/data-sheet/FXOS8700CQ.pdf
Forwarded: https://github.com/apache/incubator-nuttx/pull/1989
Signed-off-by: Philippe Coval <rzr@users.sf.net>
This commit is contained in:
Philippe Coval
2020-10-13 12:49:34 +02:00
committed by Xiang Xiao
parent 5c258f52bf
commit cafe24528c
4 changed files with 581 additions and 0 deletions
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include/nuttx/sensors/fxos8700cq.h
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/****************************************************************************
* include/nuttx/sensors/fxos8700cq.h
* FXOS8700CQ Driver declaration
*
* 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.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_SENSORS_FXOS8700CQ_H
#define __INCLUDE_NUTTX_SENSORS_FXOS8700CQ_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/fs/ioctl.h>
#if defined(CONFIG_SENSORS_FXOS8700CQ)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Power mode */
#define FXOS8700CQ_PM_SUSPEND (0x00)
#define FXOS8700CQ_PM_NORMAL (0x01)
#define FXOS8700CQ_PM_LOWPOWER (0x02)
#define FXOS8700CQ_PM_FASTSTARTUP (0x03)
/* IOCTL Commands ***********************************************************/
#define SNIOC_ENABLESC _SNIOC(0x0001) /* Arg: uint8_t value */
#define SNIOC_READSC _SNIOC(0x0002) /* Arg: int16_t* pointer */
#define SNIOC_SETACCPM _SNIOC(0x0003) /* Arg: uint8_t value */
#define SNIOC_SETACCODR _SNIOC(0x0004) /* Arg: uint8_t value */
/****************************************************************************
* Public Types
****************************************************************************/
typedef struct
{
int16_t x;
int16_t y;
int16_t z;
} v3int16_t;
typedef struct
{
v3int16_t accel;
v3int16_t magn;
} fxos8700cq_data;
struct i2c_master_s;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: fxos8700cq_register
*
* Description:
* Register the FXOS8700CQ character device as 'devpath'
*
* Input Parameters:
* devpath - The full path to the driver to register. E.g., "/dev/accel0"
* dev - An instance of the I2C interface to communicate with device
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifndef CONFIG_SENSORS_FXOS8700CQ_SCU
int fxos8700cq_register(FAR const char *devpath,
FAR struct i2c_master_s *dev);
#else /* CONFIG_SENSORS_FXOS8700CQ_SCU */
int fxos8700cq_init(FAR struct i2c_master_s *dev, int port);
int fxos8700cqgyro_register(FAR const char *devpath, int minor,
FAR struct i2c_master_s *dev, int port);
int fxos8700cqaccel_register(FAR const char *devpath, int minor,
FAR struct i2c_master_s *dev, int port);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_SENSORS_FXOS8700CQ */
#endif /* __INCLUDE_NUTTX_SENSORS_FXOS8700CQ_H */