1/*
2* Copyright (C) 2014 Invensense, Inc.
3*
4* Licensed under the Apache License, Version 2.0 (the "License");
5* you may not use this file except in compliance with the License.
6* You may obtain a copy of the License at
7*
8*      http://www.apache.org/licenses/LICENSE-2.0
9*
10* Unless required by applicable law or agreed to in writing, software
11* distributed under the License is distributed on an "AS IS" BASIS,
12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13* See the License for the specific language governing permissions and
14* limitations under the License.
15*/
16
17#ifndef ANDROID_MPL_SUPPORT_H
18#define ANDROID_MPL_SUPPORT_H
19
20#include <stdint.h>
21
22int inv_read_data(char *fname, long *data);
23int read_attribute_sensor(int fd, char* data, unsigned int size);
24int enable_sysfs_sensor(int fd, int en);
25int write_attribute_sensor(int fd, long data);
26int write_attribute_sensor_continuous(int fd, long data);
27int read_sysfs_int64(char*, int64_t*);
28int read_sysfs_int(char*, int*);
29int write_sysfs_int(char*, int);
30int write_sysfs_longlong(char*, long long);
31int fill_dev_full_name_by_prefix(const char* dev_prefix,
32                                 char* dev_full_name, int len);
33void dump_dmp_img(const char *out_file);
34int read_sysfs_dir(bool fileMode, char *sysfs_path);
35
36void convert_long_to_hex_char(long* quat, unsigned char* hex, int numElement);
37int inv_float_to_q16(float *fdata, long *ldata);
38int inv_long_to_q16(long *fdata, long *ldata);
39int inv_float_to_round(float *fdata, long *ldata);
40int inv_float_to_round2(float *fdata, short *sdata);
41int inv_long_to_float(long *ldata, float *fdata);
42
43#endif //  ANDROID_MPL_SUPPORT_H
44