6515/libsensors_iio/MPLSupport.h

/*
* Copyright (C) 2014 Invensense, 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.
*/

#ifndef ANDROID_MPL_SUPPORT_H
#define ANDROID_MPL_SUPPORT_H

#include <stdint.h>

int inv_read_data(char *fname, long *data);
int read_attribute_sensor(int fd, char* data, unsigned int size);
int enable_sysfs_sensor(int fd, int en);
int write_attribute_sensor(int fd, long data);
int write_attribute_sensor_continuous(int fd, long data);
int read_sysfs_int64(char*, int64_t*);
int read_sysfs_int(char*, int*);
int write_sysfs_int(char*, int);
int write_sysfs_longlong(char*, long long);
int fill_dev_full_name_by_prefix(const char* dev_prefix,
                                 char* dev_full_name, int len);
void dump_dmp_img(const char *out_file);
int read_sysfs_dir(bool fileMode, char *sysfs_path);

void convert_long_to_hex_char(long* quat, unsigned char* hex, int numElement);
int inv_float_to_q16(float *fdata, long *ldata);
int inv_long_to_q16(long *fdata, long *ldata);
int inv_float_to_round(float *fdata, long *ldata);
int inv_float_to_round2(float *fdata, short *sdata);
int inv_long_to_float(long *ldata, float *fdata);

#endif //  ANDROID_MPL_SUPPORT_H