1 /****************************************************************************** 2 * 3 * Copyright (C) 2018 ST Microelectronics S.A. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 * 18 ******************************************************************************/ 19 #ifndef UTILS_H_ 20 #define UTILS_H_ 21 22 #include <sys/time.h> 23 24 /** 25 * Converts the given char array into its HEX-based string representation. 26 * 27 * @param array The char array to be converted. 28 * @param length The length of the char array. 29 * @param hexString Out param where the result will be stored. 30 * 31 * @return 0 on successful conversion, -1 otherwise. 32 */ 33 int Utils_charArrayToHexString(char* array, int length, char* hexString); 34 35 char* convert(uint8_t* buf); 36 37 /** 38 * Returns the difference of time (in ms) between t1 and t2. 39 * 40 * @param t1 The initial time. 41 * @param t2 The final time. 42 * 43 * @return The difference t2 - t1 in ms. 44 */ 45 int Utils_getElapsedTimeInMs(struct timeval t1, struct timeval t2); 46 47 /** 48 * Returns the difference of time (in us) between t1 and t2. 49 * 50 * @param t1 The initial time. 51 * @param t2 The final time. 52 * 53 * @return The difference t2 - t1 in ms. 54 */ 55 int Utils_getElapsedTimeInUs(struct timeval t1, struct timeval t2); 56 57 /** 58 * Prints current time to standard log. 59 * 60 * @param prefix The prefix to be printed before the time. 61 */ 62 void Utils_printCurrentTime(char* prefix); 63 64 #endif /* UTILS_H_ */ 65