1 /* 2 * Copyright (C) 2012 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 #include <time.h> 22 23 int64_t getTimestamp(); 24 int64_t timevalToNano(timeval const& t); 25 26 int inv_read_data(char *fname, long *data); 27 int read_attribute_sensor(int fd, char* data, unsigned int size); 28 int enable_sysfs_sensor(int fd, int en); 29 int write_attribute_sensor(int fd, long data); 30 int read_sysfs_int(char*, int*); 31 int write_sysfs_int(char*, int); 32 33 #endif // ANDROID_MPL_SUPPORT_H 34