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800 lines
30 KiB
C++
800 lines
30 KiB
C++
/*
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* Copyright (c) 2007-2008 Sean C. Rhea (srhea@srhea.net)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "FitRideFile.h"
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#include <QSharedPointer>
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#include <QMap>
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#include <QSet>
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#include <QtEndian>
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#include <QDebug>
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#include <QTime>
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#include <stdio.h>
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#include <stdint.h>
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#include <limits>
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#define RECORD_TYPE 20
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static int fitFileReaderRegistered =
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RideFileFactory::instance().registerReader(
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"fit", "Garmin FIT", new FitFileReader());
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static const QDateTime qbase_time(QDate(1989, 12, 31), QTime(0, 0, 0), Qt::UTC);
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struct FitField {
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int num;
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int type; // FIT base_type
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int size; // in bytes
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};
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struct FitDefinition {
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int global_msg_num;
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bool is_big_endian;
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std::vector<FitField> fields;
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};
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/* FIT has uint32 as largest integer type. So qint64 is large enough to
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* store all integer types - no matter if they're signed or not */
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// this will need to change if float or other non-integer values are
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// introduced into the file format
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typedef qint64 fit_value_t;
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#define NA_VALUE std::numeric_limits<fit_value_t>::max()
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struct FitFileReaderState
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{
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QFile &file;
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QStringList &errors;
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RideFile *rideFile;
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time_t start_time;
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time_t last_time;
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double last_distance;
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QMap<int, FitDefinition> local_msg_types;
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QSet<int> unknown_record_fields, unknown_global_msg_nums, unknown_base_type;
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int interval;
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int calibration;
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int devices;
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bool stopped;
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int last_event_type;
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int last_event;
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int last_msg_type;
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FitFileReaderState(QFile &file, QStringList &errors) :
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file(file), errors(errors), rideFile(NULL), start_time(0),
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last_time(0), last_distance(0.00f), interval(0), calibration(0), devices(0), stopped(true),
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last_event_type(-1), last_event(-1), last_msg_type(-1)
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{
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}
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struct TruncatedRead {};
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void read_unknown( int size, int *count = NULL ){
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char c[size+1];
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if (file.read(c, size ) != size)
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throw TruncatedRead();
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if (count)
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(*count) += size;
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}
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fit_value_t read_int8(int *count = NULL) {
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qint8 i;
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if (file.read(reinterpret_cast<char*>( &i), 1) != 1)
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throw TruncatedRead();
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if (count)
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(*count) += 1;
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return i == 0x7f ? NA_VALUE : i;
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}
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fit_value_t read_uint8(int *count = NULL) {
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quint8 i;
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if (file.read(reinterpret_cast<char*>( &i), 1) != 1)
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throw TruncatedRead();
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if (count)
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(*count) += 1;
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return i == 0xff ? NA_VALUE : i;
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}
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fit_value_t read_uint8z(int *count = NULL) {
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quint8 i;
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if (file.read(reinterpret_cast<char*>( &i), 1) != 1)
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throw TruncatedRead();
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if (count)
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(*count) += 1;
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return i == 0x00 ? NA_VALUE : i;
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}
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fit_value_t read_int16(bool is_big_endian, int *count = NULL) {
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qint16 i;
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if (file.read(reinterpret_cast<char*>(&i), 2) != 2)
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throw TruncatedRead();
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if (count)
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(*count) += 2;
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i = is_big_endian
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? qFromBigEndian<qint16>( i )
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: qFromLittleEndian<qint16>( i );
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return i == 0x7fff ? NA_VALUE : i;
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}
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fit_value_t read_uint16(bool is_big_endian, int *count = NULL) {
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quint16 i;
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if (file.read(reinterpret_cast<char*>(&i), 2) != 2)
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throw TruncatedRead();
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if (count)
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(*count) += 2;
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i = is_big_endian
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? qFromBigEndian<quint16>( i )
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: qFromLittleEndian<quint16>( i );
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return i == 0xffff ? NA_VALUE : i;
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}
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fit_value_t read_uint16z(bool is_big_endian, int *count = NULL) {
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quint16 i;
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if (file.read(reinterpret_cast<char*>(&i), 2) != 2)
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throw TruncatedRead();
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if (count)
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(*count) += 2;
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i = is_big_endian
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? qFromBigEndian<quint16>( i )
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: qFromLittleEndian<quint16>( i );
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return i == 0x0000 ? NA_VALUE : i;
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}
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fit_value_t read_int32(bool is_big_endian, int *count = NULL) {
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qint32 i;
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if (file.read(reinterpret_cast<char*>(&i), 4) != 4)
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throw TruncatedRead();
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if (count)
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(*count) += 4;
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i = is_big_endian
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? qFromBigEndian<qint32>( i )
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: qFromLittleEndian<qint32>( i );
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return i == 0x7fffffff ? NA_VALUE : i;
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}
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fit_value_t read_uint32(bool is_big_endian, int *count = NULL) {
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quint32 i;
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if (file.read(reinterpret_cast<char*>(&i), 4) != 4)
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throw TruncatedRead();
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if (count)
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(*count) += 4;
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i = is_big_endian
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? qFromBigEndian<quint32>( i )
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: qFromLittleEndian<quint32>( i );
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return i == 0xffffffff ? NA_VALUE : i;
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}
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fit_value_t read_uint32z(bool is_big_endian, int *count = NULL) {
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quint32 i;
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if (file.read(reinterpret_cast<char*>(&i), 4) != 4)
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throw TruncatedRead();
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if (count)
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(*count) += 4;
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i = is_big_endian
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? qFromBigEndian<quint32>( i )
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: qFromLittleEndian<quint32>( i );
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return i == 0x00000000 ? NA_VALUE : i;
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}
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void decodeFileId(const FitDefinition &def, int, const std::vector<fit_value_t> values) {
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int i = 0;
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int manu = -1, prod = -1;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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switch (field.num) {
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case 1: manu = value; break;
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case 2: prod = value; break;
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default: ; // do nothing
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}
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}
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if (manu == 1) {
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switch (prod) {
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case 717: rideFile->setDeviceType("Garmin FR405"); break;
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case 782: rideFile->setDeviceType("Garmin FR50"); break;
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case 988: rideFile->setDeviceType("Garmin FR60"); break;
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case 1018: rideFile->setDeviceType("Garmin FR310XT"); break;
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case 1036: rideFile->setDeviceType("Garmin Edge 500"); break;
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case 1124: rideFile->setDeviceType("Garmin FR110"); break;
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case 1169: rideFile->setDeviceType("Garmin Edge 800"); break;
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case 1325: rideFile->setDeviceType("Garmin Edge 200"); break;
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case 1328: rideFile->setDeviceType("Garmin FR910XT"); break;
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case 1561: rideFile->setDeviceType("Garmin Edge 510"); break;
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case 1567: rideFile->setDeviceType("Garmin Edge 810"); break;
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case 1836: rideFile->setDeviceType("Garmin Edge 1000"); break;
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case 20119: rideFile->setDeviceType("Garmin Training Center"); break;
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case 65534: rideFile->setDeviceType("Garmin Connect Website"); break;
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default: rideFile->setDeviceType(QString("Garmin %1").arg(prod));
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}
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}
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else if (manu == 38) {
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switch (prod) {
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case 1: rideFile->setDeviceType("o_synce navi2coach"); break;
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default: rideFile->setDeviceType(QString("o_synce %1").arg(prod));
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}
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}
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else {
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rideFile->setDeviceType(QString("Unknown FIT Device %1:%2").arg(manu).arg(prod));
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}
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rideFile->setFileFormat("FIT (*.fit)");
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}
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void decodeSession(const FitDefinition &def, int, const std::vector<fit_value_t> values) {
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int i = 0;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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printf("decodeSession field %d: %d bytes, num %d, type %d\n", i, field.size, field.num, field.type );
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}
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}
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void decodeDeviceInfo(const FitDefinition &def, int, const std::vector<fit_value_t> values) {
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int i = 0;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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printf("decodeDeviceInfo field %d: %d bytes, num %d, type %d\n", i, field.size, field.num, field.type );
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}
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}
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void decodeEvent(const FitDefinition &def, int, const std::vector<fit_value_t> values) {
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int time = -1;
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int event = -1;
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int event_type = -1;
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qint16 data16 = -1;
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int i = 0;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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switch (field.num) {
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case 253: // timestamp field (s)
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time = value + qbase_time.toTime_t();
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break;
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case 0: // event field
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event = value; break;
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case 1: // event_type field
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event_type = value; break;
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case 2: // data16 field
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data16 = value; break;
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default: ; // do nothing
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}
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}
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if (event == 0) { // Timer event
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switch (event_type) {
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case 0: // start
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stopped = false;
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break;
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case 1: // stop
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stopped = true;
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break;
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case 2: // consecutive_depreciated
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case 3: // marker
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break;
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case 4: // stop all
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stopped = true;
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break;
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case 5: // begin_depreciated
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case 6: // end_depreciated
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case 7: // end_all_depreciated
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case 8: // stop_disable
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stopped = true;
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break;
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case 9: // stop_disable_all
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stopped = true;
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break;
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default:
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errors << QString("Unknown timer event type %1").arg(event_type);
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}
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}
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else if (event == 36) { // Calibration event
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int secs = (start_time==0?0:time-start_time);
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switch (event_type) {
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case 3: // marker
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++calibration;
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rideFile->addCalibration(secs, data16, QString("Calibration %1 (%2)").arg(calibration).arg(data16));
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//qDebug() << "marker" << secs << data16;
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break;
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default:
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errors << QString("Unknown calibration event type %1").arg(event_type);
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break;
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}
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}
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// printf("event type %d\n", event_type);
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last_event = event;
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last_event_type = event_type;
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}
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void decodeLap(const FitDefinition &def, int time_offset, const std::vector<fit_value_t> values) {
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time_t time = 0;
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if (time_offset > 0)
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time = last_time + time_offset;
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else
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time = last_time;
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int i = 0;
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time_t this_start_time = 0;
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++interval;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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switch (field.num) {
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case 253: time = value + qbase_time.toTime_t(); break;
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case 2: this_start_time = value + qbase_time.toTime_t(); break;
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default: ; // ignore it
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}
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}
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if (this_start_time == 0 || this_start_time-start_time < 0) {
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//errors << QString("lap %1 has invalid start time").arg(interval);
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this_start_time = start_time; // time was corrected after lap start
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if (time == 0 || time-start_time < 0) {
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errors << QString("lap %1 is ignored (invalid end time)").arg(interval);
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return;
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}
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}
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if (rideFile->dataPoints().count()) // no samples means no laps..
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rideFile->addInterval(this_start_time - start_time, time - start_time, QString(QObject::tr("Lap %1")).arg(interval));
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}
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void decodeRecord(const FitDefinition &def, int time_offset, const std::vector<fit_value_t> values) {
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time_t time = 0;
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if (time_offset > 0)
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time = last_time + time_offset;
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double alt = 0, cad = 0, km = 0, hr = 0, lat = 0, lng = 0, badgps = 0, lrbalance = 0;
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double kph = 0, temperature = RideFile::NoTemp, watts = 0, slope = 0;
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double leftTorqueEff = 0, rightTorqueEff = 0, leftPedalSmooth = 0, rightPedalSmooth = 0;
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double smO2 = 0, tHb = 0;
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fit_value_t lati = NA_VALUE, lngi = NA_VALUE;
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int i = 0;
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foreach(const FitField &field, def.fields) {
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fit_value_t value = values[i++];
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if( value == NA_VALUE )
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continue;
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switch (field.num) {
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case 253: // TIMESTAMP
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time = value + qbase_time.toTime_t();
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// Time MUST NOT go backwards
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// You canny break the laws of physics, Jim
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if (time < last_time)
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time = last_time;
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break;
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case 0: // POSITION_LAT
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lati = value;
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break;
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case 1: // POSITION_LONG
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lngi = value;
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break;
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case 2: // ALTITUDE
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alt = value / 5.0 - 500.0;
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break;
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case 3: // HEART_RATE
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hr = value;
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break;
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case 4: // CADENCE
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cad = value;
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break;
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case 5: // DISTANCE
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km = value / 100000.0;
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break;
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case 6: // SPEED
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kph = value * 3.6 / 1000.0;
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break;
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case 7: // POWER
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watts = value;
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break;
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case 8: break; // packed speed/dist
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case 9: // GRADE
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slope = value / 100.0;
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break;
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case 10: //resistance = value;
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break;
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case 11: //time_from_course = value / 1000.0;
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break;
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case 12: break; // "cycle_length"
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case 13: // TEMPERATURE
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temperature = value;
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break;
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case 29: // ACCUMULATED_POWER
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break;
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case 30: //LEFT_RIGHT_BALANCE
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lrbalance = (value & 0x80 ? 100 - (value & 0x7F) : value & 0x7F);
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break;
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case 31: // GPS Accuracy
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break;
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case 43: // LEFT_TORQUE_EFFECTIVENESS
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leftTorqueEff = value / 2.0;
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//qDebug() << "LEFT_TORQUE_EFFECTIVENESS" << leftTorqueEff;
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break;
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case 44: // RIGHT_TORQUE_EFFECTIVENESS
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rightTorqueEff = value / 2.0;
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//qDebug() << "RIGHT_TORQUE_EFFECTIVENESS" << rightTorqueEff;
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break;
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case 45: // LEFT_PEDAL_SMOOTHNESS
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leftPedalSmooth = value / 2.0;
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//qDebug() << "LEFT_PEDAL_SMOOTHNESS" << leftPedalSmooth;
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break;
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case 46: // RIGHT_PEDAL_SMOOTHNESS
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rightPedalSmooth = value / 2.0;
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//qDebug() << "RIGHT_PEDAL_SMOOTHNESS" << rightPedalSmooth;
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break;
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case 47: // COMBINED_PEDAL_SMOOTHNES
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//qDebug() << "COMBINED_PEDAL_SMOOTHNES" << value;
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break;
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default: unknown_record_fields.insert(field.num);
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}
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}
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if (time == last_time)
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return; // Sketchy, but some FIT files do this.
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if (stopped) {
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// As it turns out, this happens all the time in some FIT files.
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// Since we don't really understand the meaning, don't make noise.
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/*
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errors << QString("At %1 seconds, time is stopped, but got record "
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"anyway. Ignoring it. Last event type was "
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"%2 for event %3.").arg(time-start_time).arg(last_event_type).arg(last_event);
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return;
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*/
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}
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if (lati != NA_VALUE && lngi != NA_VALUE) {
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lat = lati * 180.0 / 0x7fffffff;
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lng = lngi * 180.0 / 0x7fffffff;
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} else
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{
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// If lat/lng are missng, set to 0/0 and fill point from last point as 0/0)
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lat = 0;
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lng = 0;
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badgps = 1;
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}
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if (start_time == 0) {
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start_time = time - 1; // recording interval?
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QDateTime t;
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t.setTime_t(start_time);
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rideFile->setStartTime(t);
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}
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|
|
//printf( "point time=%d lat=%.2lf lon=%.2lf alt=%.1lf hr=%.0lf "
|
|
// "cad=%.0lf km=%.1lf kph=%.1lf watts=%.0lf grade=%.1lf "
|
|
// "resist=%.1lf off=%.1lf temp=%.1lf\n",
|
|
// time, lat, lng, alt, hr,
|
|
// cad, km, kph, watts, grade,
|
|
// resistance, time_from_course, temperature );
|
|
|
|
double secs = time - start_time;
|
|
double nm = 0;
|
|
double headwind = 0.0;
|
|
int interval = 0;
|
|
if ((last_msg_type == RECORD_TYPE) && (last_time != 0) && (time > last_time + 1)) {
|
|
// Evil smart recording. Linearly interpolate missing points.
|
|
RideFilePoint *prevPoint = rideFile->dataPoints().back();
|
|
int deltaSecs = (int) (secs - prevPoint->secs);
|
|
//assert(deltaSecs == secs - prevPoint->secs); // no fractional part -- don't CRASH FFS, be graceful
|
|
// This is only true if the previous record was of type record:
|
|
//assert(deltaSecs == time - last_time); -- don't CRASH FFS, be graceful
|
|
// If the last lat/lng was missing (0/0) then all points up to lat/lng are marked as 0/0.
|
|
if (prevPoint->lat == 0 && prevPoint->lon == 0 ) {
|
|
badgps = 1;
|
|
}
|
|
double deltaCad = cad - prevPoint->cad;
|
|
double deltaHr = hr - prevPoint->hr;
|
|
double deltaDist = km - prevPoint->km;
|
|
if (km < 0.00001) deltaDist = 0.000f; // effectively zero distance
|
|
double deltaSpeed = kph - prevPoint->kph;
|
|
double deltaTorque = nm - prevPoint->nm;
|
|
double deltaPower = watts - prevPoint->watts;
|
|
double deltaAlt = alt - prevPoint->alt;
|
|
double deltaLon = lng - prevPoint->lon;
|
|
double deltaLat = lat - prevPoint->lat;
|
|
double deltaHeadwind = headwind - prevPoint->headwind;
|
|
double deltaSlope = slope - prevPoint->slope;
|
|
double deltaLeftRightBalance = lrbalance - prevPoint->lrbalance;
|
|
double deltaLeftTE = leftTorqueEff - prevPoint->lte;
|
|
double deltaRightTE = rightTorqueEff - prevPoint->rte;
|
|
double deltaLeftPS = leftPedalSmooth - prevPoint->lps;
|
|
double deltaRightPS = rightPedalSmooth - prevPoint->rps;
|
|
double deltaSmO2 = smO2 - prevPoint->smo2;
|
|
double deltaTHb = tHb - prevPoint->thb;
|
|
|
|
// only smooth for less than 30 minutes
|
|
// we don't want to crash / stall on bad
|
|
// or corrupt files
|
|
if (deltaSecs > 0 && deltaSecs < (60*30)) {
|
|
|
|
for (int i = 1; i < deltaSecs; i++) {
|
|
double weight = 1.0 * i / deltaSecs;
|
|
rideFile->appendPoint(
|
|
prevPoint->secs + (deltaSecs * weight),
|
|
prevPoint->cad + (deltaCad * weight),
|
|
prevPoint->hr + (deltaHr * weight),
|
|
prevPoint->km + (deltaDist * weight),
|
|
prevPoint->kph + (deltaSpeed * weight),
|
|
prevPoint->nm + (deltaTorque * weight),
|
|
prevPoint->watts + (deltaPower * weight),
|
|
prevPoint->alt + (deltaAlt * weight),
|
|
(badgps == 1) ? 0 : prevPoint->lon + (deltaLon * weight),
|
|
(badgps == 1) ? 0 : prevPoint->lat + (deltaLat * weight),
|
|
prevPoint->headwind + (deltaHeadwind * weight),
|
|
prevPoint->slope + (deltaSlope * weight),
|
|
temperature,
|
|
prevPoint->lrbalance + (deltaLeftRightBalance * weight),
|
|
prevPoint->lte + (deltaLeftTE * weight),
|
|
prevPoint->rte + (deltaRightTE * weight),
|
|
prevPoint->lps + (deltaLeftPS * weight),
|
|
prevPoint->rps + (deltaRightPS * weight),
|
|
prevPoint->smo2 + (deltaSmO2 * weight),
|
|
prevPoint->thb + (deltaTHb * weight),
|
|
interval);
|
|
}
|
|
prevPoint = rideFile->dataPoints().back();
|
|
}
|
|
}
|
|
|
|
if (km < 0.00001f) km = last_distance;
|
|
rideFile->appendPoint(secs, cad, hr, km, kph, nm, watts, alt, lng, lat, headwind, slope, temperature,
|
|
lrbalance, leftTorqueEff, rightTorqueEff, leftPedalSmooth, rightPedalSmooth,
|
|
smO2, tHb, interval);
|
|
last_time = time;
|
|
last_distance = km;
|
|
}
|
|
|
|
int read_record(bool &stop, QStringList &errors) {
|
|
stop = false;
|
|
int count = 0;
|
|
int header_byte = read_uint8(&count);
|
|
if (!(header_byte & 0x80) && (header_byte & 0x40)) {
|
|
// Definition record
|
|
int local_msg_type = header_byte & 0xf;
|
|
|
|
local_msg_types.insert(local_msg_type, FitDefinition());
|
|
FitDefinition &def = local_msg_types[local_msg_type];
|
|
|
|
int reserved = read_uint8(&count); (void) reserved; // unused
|
|
def.is_big_endian = read_uint8(&count);
|
|
def.global_msg_num = read_uint16(def.is_big_endian, &count);
|
|
int num_fields = read_uint8(&count);
|
|
//printf("definition: local type=%d global=%d arch=%d fields=%d\n",
|
|
// local_msg_type, def.global_msg_num, def.is_big_endian,
|
|
// num_fields );
|
|
|
|
for (int i = 0; i < num_fields; ++i) {
|
|
def.fields.push_back(FitField());
|
|
FitField &field = def.fields.back();
|
|
|
|
field.num = read_uint8(&count);
|
|
field.size = read_uint8(&count);
|
|
int base_type = read_uint8(&count);
|
|
field.type = base_type & 0x1f;
|
|
//printf(" field %d: %d bytes, num %d, type %d\n",
|
|
// i, field.size, field.num, field.type );
|
|
}
|
|
}
|
|
else {
|
|
// Data record
|
|
int local_msg_type = 0;
|
|
int time_offset = 0;
|
|
if (header_byte & 0x80) {
|
|
// compressed time record
|
|
local_msg_type = (header_byte >> 5) & 0x3;
|
|
time_offset = header_byte & 0x1f;
|
|
}
|
|
else {
|
|
local_msg_type = header_byte & 0xf;
|
|
}
|
|
|
|
if (!local_msg_types.contains(local_msg_type)) {
|
|
errors << QString("local type %1 without previous definition").arg(local_msg_type);
|
|
stop = true;
|
|
return count;
|
|
}
|
|
const FitDefinition &def = local_msg_types[local_msg_type];
|
|
//printf( "message local=%d global=%d\n", local_msg_type,
|
|
// def.global_msg_num );
|
|
|
|
std::vector<fit_value_t> values;
|
|
foreach(const FitField &field, def.fields) {
|
|
fit_value_t v;
|
|
int size;
|
|
switch (field.type) {
|
|
case 0: v = read_uint8(&count); size = 1; break;
|
|
case 1: v = read_int8(&count); size = 1; break;
|
|
case 2: v = read_uint8(&count); size = 1; break;
|
|
case 3: v = read_int16(def.is_big_endian, &count); size = 2; break;
|
|
case 4: v = read_uint16(def.is_big_endian, &count); size = 2; break;
|
|
case 5: v = read_int32(def.is_big_endian, &count); size = 4; break;
|
|
case 6: v = read_uint32(def.is_big_endian, &count); size = 4; break;
|
|
//case 7: // String
|
|
//case 8: // FLOAT32
|
|
//case 9: // FLOAT64
|
|
case 10: v = read_uint8z(&count); size = 1; break;
|
|
case 11: v = read_uint16z(def.is_big_endian, &count); size = 2; break;
|
|
case 12: v = read_uint32z(def.is_big_endian, &count); size = 4; break;
|
|
//case 13: // BYTE
|
|
|
|
// we may need to add support for float, string + byte base types here
|
|
default:
|
|
read_unknown( field.size, &count );
|
|
v = NA_VALUE;
|
|
unknown_base_type.insert(field.num);
|
|
size = field.size;
|
|
}
|
|
// Quick fix : we need to support multivalues
|
|
if (size < field.size)
|
|
read_unknown( field.size-size, &count );
|
|
|
|
values.push_back(v);
|
|
//printf( " field: type=%d num=%d value=%lld\n",
|
|
// field.type, field.num, v );
|
|
}
|
|
// Most of the record types in the FIT format aren't actually all
|
|
// that useful. FileId, Lap, and Record clearly are. The one
|
|
// other one that might be useful is DeviceInfo, but it doesn't
|
|
// seem to be filled in properly. Sean's Cinqo, for example,
|
|
// shows up as manufacturer #65535, even though it should be #7.
|
|
switch (def.global_msg_num) {
|
|
case 0: decodeFileId(def, time_offset, values); break;
|
|
case 19: decodeLap(def, time_offset, values); break;
|
|
case RECORD_TYPE: decodeRecord(def, time_offset, values); break;
|
|
case 21: decodeEvent(def, time_offset, values); break;
|
|
case 23: //decodeDeviceInfo(def, time_offset, values); break; /* device info */
|
|
case 18: //decodeSession(def, time_offset, values); break; /* session */
|
|
case 22: /* undocumented */
|
|
case 72: /* undocumented - new for garmin 800*/
|
|
case 34: /* activity */
|
|
case 49: /* file creator */
|
|
case 79: /* unknown */
|
|
case 104: /* battery */
|
|
break;
|
|
default:
|
|
unknown_global_msg_nums.insert(def.global_msg_num);
|
|
}
|
|
last_msg_type = def.global_msg_num;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
RideFile * run() {
|
|
rideFile = new RideFile;
|
|
rideFile->setDeviceType("Garmin FIT");
|
|
rideFile->setRecIntSecs(1.0); // this is a terrible assumption!
|
|
if (!file.open(QIODevice::ReadOnly)) {
|
|
delete rideFile;
|
|
return NULL;
|
|
}
|
|
|
|
int data_size = 0;
|
|
try {
|
|
|
|
// read the header
|
|
int header_size = read_uint8();
|
|
if (header_size != 12 && header_size != 14) {
|
|
errors << QString("bad header size: %1").arg(header_size);
|
|
file.close();
|
|
delete rideFile;
|
|
return NULL;
|
|
}
|
|
int protocol_version = read_uint8();
|
|
(void) protocol_version;
|
|
|
|
// if the header size is 14 we have profile minor then profile major
|
|
// version. We still don't do anything with this information
|
|
int profile_version = read_uint16(false); // always littleEndian
|
|
(void) profile_version; // not sure what to do with this
|
|
|
|
data_size = read_uint32(false); // always littleEndian
|
|
char fit_str[5];
|
|
if (file.read(fit_str, 4) != 4) {
|
|
errors << "truncated header";
|
|
file.close();
|
|
delete rideFile;
|
|
return NULL;
|
|
}
|
|
fit_str[4] = '\0';
|
|
if (strcmp(fit_str, ".FIT") != 0) {
|
|
errors << QString("bad header, expected \".FIT\" but got \"%1\"").arg(fit_str);
|
|
file.close();
|
|
delete rideFile;
|
|
return NULL;
|
|
}
|
|
|
|
// read the rest of the header
|
|
if (header_size == 14) read_uint16(false);
|
|
|
|
} catch (TruncatedRead &e) {
|
|
errors << "truncated file body";
|
|
return NULL;
|
|
}
|
|
|
|
int bytes_read = 0;
|
|
bool stop = false;
|
|
bool truncated = false;
|
|
try {
|
|
while (!stop && (bytes_read < data_size))
|
|
bytes_read += read_record(stop, errors);
|
|
}
|
|
catch (TruncatedRead &e) {
|
|
errors << "truncated file body";
|
|
//file.close();
|
|
//delete rideFile;
|
|
//return NULL;
|
|
truncated = true;
|
|
}
|
|
if (stop) {
|
|
file.close();
|
|
delete rideFile;
|
|
return NULL;
|
|
}
|
|
else {
|
|
if (!truncated) {
|
|
int crc = read_uint16( false ); // always littleEndian
|
|
(void) crc;
|
|
}
|
|
|
|
foreach(int num, unknown_global_msg_nums)
|
|
qDebug() << QString("FitRideFile: unknown global message number %1; ignoring it").arg(num);
|
|
foreach(int num, unknown_record_fields)
|
|
qDebug() << QString("FitRideFile: unknown record field %1; ignoring it").arg(num);
|
|
foreach(int num, unknown_base_type)
|
|
qDebug() << QString("FitRideFile: unknown base type %1; skipped").arg(num);
|
|
|
|
file.close();
|
|
return rideFile;
|
|
}
|
|
}
|
|
};
|
|
|
|
RideFile *FitFileReader::openRideFile(QFile &file, QStringList &errors, QList<RideFile*>*) const
|
|
{
|
|
QSharedPointer<FitFileReaderState> state(new FitFileReaderState(file, errors));
|
|
return state->run();
|
|
}
|
|
|
|
// vi:expandtab tabstop=4 shiftwidth=4
|