djiparsetxt
parseRecord_CUSTOM.cpp
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1 /**********
2 This program is free software: you can redistribute it and/or modify
3 it under the terms of the GNU General Public License as published by
4 the Free Software Foundation, either version 3 of the License, or
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6 
7 This program is distributed in the hope that it will be useful,
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9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
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15 /*
16  A C++ program to parse DJI's ".txt" log files (recorded by the "DJI Go 4" app).
17  Version 2019-02-08
18 
19  Copyright (c) 2019 Live Networks, Inc. All rights reserved.
20  For the latest version of this program (and more information), visit http://djilogs.live555.com
21 
22  Parsing CUSTOM records within DJI ".txt" files.
23  Implementation.
24 */
25 
27 
28 void RecordAndDetailsParser::parseRecord_CUSTOM(u_int8_t const*& ptr, u_int8_t const* limit) {
29  // unknown (2 bytes):
30  ptr += 2;
31 
32  // CUSTOM.hSpeed: 4 bytes little-endian float:
33  note4ByteFloatField("CUSTOM.hSpeed", ptr, limit);
34 
35  // CUSTOM.distance: 4 bytes little-endian float:
36  note4ByteFloatField("CUSTOM.distance", ptr, limit);
37 
38  // CUSTOM.updateTime: 8 bytes little-endian, multiple of 0.001 seconds, in Unix time format:
39  note8ByteTimestampField("CUSTOM.updateTime", ptr, limit, 1/*is in ms*/);
40 }
void parseRecord_CUSTOM(u_int8_t const *&ptr, u_int8_t const *limit)
void note8ByteTimestampField(char const *label, u_int8_t const *&ptr, u_int8_t const *limit, int isInMilliseconds=0)
void note4ByteFloatField(char const *label, u_int8_t const *&ptr, u_int8_t const *limit, float divisor=0.0)