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mgos_i2c_mock/libs/mgos_imu/include/mgos_imu.h
2018-04-22 14:18:47 +02:00

77 lines
2.3 KiB
C

/*
* Copyright 2018 Google Inc.
*
* Licensed 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.
*/
#pragma once
#include "mgos.h"
#include "mgos_i2c.h"
#ifdef __cplusplus
extern "C" {
#endif
enum mgos_imu_acc_type {
ACC_NONE = 0,
ACC_MPU9250
};
enum mgos_imu_gyro_type {
GYRO_NONE = 0,
GYRO_MPU9250
};
enum mgos_imu_mag_type {
MAG_NONE = 0,
MAG_AK8963
};
struct mgos_imu;
struct mgos_imu *mgos_imu_create_i2c(struct mgos_i2c *i2c);
bool mgos_imu_add_gyroscope_i2c(struct mgos_imu *sensor, uint8_t i2caddr, enum mgos_imu_gyro_type type);
bool mgos_imu_add_accelerometer_i2c(struct mgos_imu *sensor, uint8_t i2caddr, enum mgos_imu_acc_type type);
bool mgos_imu_add_magnetometer_i2c(struct mgos_imu *sensor, uint8_t i2caddr, enum mgos_imu_mag_type type);
void mgos_imu_destroy(struct mgos_imu **sensor);
bool mgos_imu_has_accelerometer(struct mgos_imu *sensor);
bool mgos_imu_has_gyroscope(struct mgos_imu *sensor);
bool mgos_imu_has_magnetometer(struct mgos_imu *sensor);
/* Read all available sensor data from the IMU */
bool mgos_imu_read(struct mgos_imu *sensor);
/* Return accelerometer data in units of m/s/s */
bool mgos_imu_get_accelerometer(struct mgos_imu *sensor, float *x, float *y, float *z);
/* Return accelerometer data in units of deg/sec rotation rate */
bool mgos_imu_get_gyroscope(struct mgos_imu *sensor, float *x, float *y, float *z);
/* Return magnetometer data in units of microtesla (1 microtesla = 10 milligauss) */
bool mgos_imu_get_magnetometer(struct mgos_imu *sensor, float *x, float *y, float *z);
/* Return compass heading based on magnetometer data, from [0..359] */
bool mgos_imu_get_compass_heading(struct mgos_imu *sensor, uint16_t *heading);
/*
* Initialization function for MGOS -- currently a noop.
*/
bool mgos_imu_init(void);
#ifdef __cplusplus
}
#endif