mirror of
https://github.com/tumic0/GPXSee.git
synced 2024-11-24 11:45:53 +01:00
Proper fix for Bryton Rider FIT files
Refactoring
This commit is contained in:
parent
3424b3e265
commit
366e84c9fc
@ -1,4 +1,3 @@
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#include <cstring>
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#include <QtEndian>
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#include "common/staticassert.h"
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#include "fitparser.h"
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@ -10,50 +9,64 @@
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#define EVENT_MESSAGE 21
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#define TIMESTAMP_FIELD 253
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struct Event {
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class Event {
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public:
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Event() : id(0), type(0), data(0) {}
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quint8 id;
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quint8 type;
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quint32 data;
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};
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Event() : id(0), type(0), data(0) {}
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struct FileHeader {
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quint8 headerSize;
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quint8 protocolVersion;
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quint16 profileVersion;
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quint32 dataSize;
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quint32 magic;
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};
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struct FITParser::Field {
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quint8 id;
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quint8 size;
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quint8 type;
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};
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class FITParser::MessageDefinition {
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public:
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MessageDefinition() : endian(0), globalId(0), numFields(0), fields(0),
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numDevFields(0), devFields(0) {}
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~MessageDefinition() {delete[] fields; delete[] devFields;}
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quint8 endian;
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quint16 globalId;
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quint8 numFields;
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FITParser::Field *fields;
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quint8 numDevFields;
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FITParser::Field *devFields;
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};
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class FITParser::CTX {
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public:
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CTX(QFile *file) : file(file), len(0), endian(0), timestamp(0),
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lastWrite(0), ratio(NAN) {}
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QFile *file;
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quint32 len;
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quint8 endian;
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quint32 timestamp, lastWrite;
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FITParser::MessageDefinition defs[16];
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qreal ratio;
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Trackpoint trackpoint;
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TrackData track;
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};
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FITParser::FITParser()
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{
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memset(_defs, 0, sizeof(_defs));
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_device = 0;
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_endian = 0;
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_timestamp = 0;
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_last = 0;
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_len = 0;
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_ratio = NAN;
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}
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void FITParser::clearDefinitions()
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{
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for (int i = 0; i < 16; i++) {
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if (_defs[i].fields)
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delete[] _defs[i].fields;
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if (_defs[i].devFields)
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delete[] _defs[i].devFields;
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}
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memset(_defs, 0, sizeof(_defs));
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}
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void FITParser::warning(const char *text) const
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{
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const QFile *file = static_cast<QFile *>(_device);
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qWarning("%s:%d: %s\n", qPrintable(file->fileName()), _len, text);
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}
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bool FITParser::readData(char *data, size_t size)
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bool FITParser::readData(QFile *file, char *data, size_t size)
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{
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qint64 n;
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n = _device->read(data, size);
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n = file->read(data, size);
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if (n < 0) {
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_errorString = "I/O error";
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return false;
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@ -65,17 +78,17 @@ bool FITParser::readData(char *data, size_t size)
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return true;
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}
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template<class T> bool FITParser::readValue(T &val)
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template<class T> bool FITParser::readValue(CTX &ctx, T &val)
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{
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T data;
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if (!readData((char*)&data, sizeof(T)))
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if (!readData(ctx.file, (char*)&data, sizeof(T)))
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return false;
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_len -= sizeof(T);
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ctx.len -= sizeof(T);
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if (sizeof(T) > 1) {
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if (_endian)
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if (ctx.endian)
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val = qFromBigEndian(data);
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else
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val = qFromLittleEndian(data);
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@ -85,22 +98,16 @@ template<class T> bool FITParser::readValue(T &val)
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return true;
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}
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bool FITParser::skipValue(size_t size)
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bool FITParser::skipValue(CTX &ctx, size_t size)
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{
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size_t i;
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quint8 val;
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for (i = 0; i < size; i++)
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if (!readValue(val))
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return false;
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return true;
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ctx.len -= size;
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return ctx.file->seek(ctx.file->pos() + size);
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}
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bool FITParser::parseDefinitionMessage(quint8 header)
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bool FITParser::parseDefinitionMessage(CTX &ctx, quint8 header)
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{
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int local_id = header & 0x0f;
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MessageDefinition *def = &_defs[local_id];
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MessageDefinition *def = &(ctx.defs[local_id]);
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quint8 i;
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@ -114,47 +121,48 @@ bool FITParser::parseDefinitionMessage(quint8 header)
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}
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// reserved/unused
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if (!readValue(i))
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if (!readValue(ctx, i))
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return false;
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// endianness
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if (!readValue(def->endian))
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if (!readValue(ctx, def->endian))
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return false;
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if (def->endian > 1) {
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_errorString = "Bad endian field";
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return false;
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}
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_endian = def->endian;
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ctx.endian = def->endian;
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// global message number
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if (!readValue(def->globalId))
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if (!readValue(ctx, def->globalId))
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return false;
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// number of records
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if (!readValue(def->numFields))
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if (!readValue(ctx, def->numFields))
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return false;
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// definition records
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def->fields = new Field[def->numFields];
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for (i = 0; i < def->numFields; i++) {
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STATIC_ASSERT(sizeof(def->fields[i]) == 3);
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if (!readData((char*)&(def->fields[i]), sizeof(def->fields[i])))
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if (!readData(ctx.file, (char*)&(def->fields[i]),
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sizeof(def->fields[i])))
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return false;
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_len -= sizeof(def->fields[i]);
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ctx.len -= sizeof(def->fields[i]);
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}
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// developer definition records
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if (header & 0x20) {
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if (!readValue(def->numDevFields))
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if (!readValue(ctx, def->numDevFields))
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return false;
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def->devFields = new Field[def->numDevFields];
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for (i = 0; i < def->numDevFields; i++) {
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STATIC_ASSERT(sizeof(def->devFields[i]) == 3);
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if (!readData((char*)&(def->devFields[i]),
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if (!readData(ctx.file, (char*)&(def->devFields[i]),
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sizeof(def->devFields[i])))
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return false;
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_len -= sizeof(def->devFields[i]);
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ctx.len -= sizeof(def->devFields[i]);
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}
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} else
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def->numDevFields = 0;
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@ -162,7 +170,7 @@ bool FITParser::parseDefinitionMessage(quint8 header)
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return true;
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}
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bool FITParser::readField(Field *f, quint32 &val)
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bool FITParser::readField(CTX &ctx, Field *field, quint32 &val)
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{
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quint8 v8 = (quint8)-1;
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quint16 v16 = (quint16)-1;
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@ -170,65 +178,44 @@ bool FITParser::readField(Field *f, quint32 &val)
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val = (quint32)-1;
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switch (f->type) {
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switch (field->type) {
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case 0: // enum
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case 1: // sint8
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case 2: // uint8
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if (f->size == 1) {
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ret = readValue(v8);
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if (field->size == 1) {
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ret = readValue(ctx, v8);
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val = v8;
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} else
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ret = skipValue(f->size);
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ret = skipValue(ctx, field->size);
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break;
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case 0x83: // sint16
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case 0x84: // uint16
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if (f->size == 2) {
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ret = readValue(v16);
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if (field->size == 2) {
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ret = readValue(ctx, v16);
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val = v16;
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} else
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ret = skipValue(f->size);
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ret = skipValue(ctx, field->size);
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break;
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case 0x85: // sint32
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case 0x86: // uint32
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if (f->size == 4)
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ret = readValue(val);
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if (field->size == 4)
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ret = readValue(ctx, val);
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else
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ret = skipValue(f->size);
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ret = skipValue(ctx, field->size);
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break;
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default:
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ret = skipValue(f->size);
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ret = skipValue(ctx, field->size);
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break;
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}
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return ret;
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}
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bool FITParser::addEntry(TrackData &track)
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{
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if (_trackpoint.coordinates().isValid()) {
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_trackpoint.setTimestamp(QDateTime::fromTime_t(_timestamp
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+ 631065600));
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_trackpoint.setRatio(_ratio);
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track.append(_trackpoint);
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} else {
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if (_trackpoint.coordinates().isNull())
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warning("Missing coordinates");
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else {
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_errorString = "Invalid coordinates";
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return false;
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}
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}
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return true;
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}
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bool FITParser::parseData(TrackData &track, MessageDefinition *def,
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quint8 offset)
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bool FITParser::parseData(CTX &ctx, const MessageDefinition *def)
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{
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Field *field;
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Event event;
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quint32 val;
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int i;
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if (!def->fields && !def->devFields) {
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@ -236,58 +223,50 @@ bool FITParser::parseData(TrackData &track, MessageDefinition *def,
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return false;
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}
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if (def->globalId == RECORD_MESSAGE && _last != _timestamp) {
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if (!addEntry(track))
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return false;
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_last = _timestamp;
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_trackpoint = Trackpoint();
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}
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ctx.endian = def->endian;
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_endian = def->endian;
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_timestamp += offset;
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for (i = 0; i < def->numFields; i++) {
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for (int i = 0; i < def->numFields; i++) {
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field = &def->fields[i];
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if (!readField(field, val))
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if (!readField(ctx, field, val))
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return false;
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if (field->id == TIMESTAMP_FIELD)
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_timestamp = val;
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ctx.timestamp = val;
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else if (def->globalId == RECORD_MESSAGE) {
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switch (field->id) {
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case 0:
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if (val != 0x7fffffff)
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_trackpoint.rcoordinates().setLat(
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ctx.trackpoint.rcoordinates().setLat(
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((qint32)val / (double)0x7fffffff) * 180);
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break;
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case 1:
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if (val != 0x7fffffff)
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_trackpoint.rcoordinates().setLon(
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ctx.trackpoint.rcoordinates().setLon(
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((qint32)val / (double)0x7fffffff) * 180);
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break;
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case 2:
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if (val != 0xffff)
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_trackpoint.setElevation((val / 5.0) - 500);
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ctx.trackpoint.setElevation((val / 5.0) - 500);
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break;
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case 3:
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if (val != 0xff)
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_trackpoint.setHeartRate(val);
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ctx.trackpoint.setHeartRate(val);
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break;
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case 4:
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if (val != 0xff)
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_trackpoint.setCadence(val);
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ctx.trackpoint.setCadence(val);
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break;
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case 6:
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if (val != 0xffff)
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_trackpoint.setSpeed(val / 1000.0f);
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ctx.trackpoint.setSpeed(val / 1000.0f);
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break;
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case 7:
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if (val != 0xffff)
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_trackpoint.setPower(val);
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ctx.trackpoint.setPower(val);
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break;
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case 13:
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if (val != 0x7f)
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_trackpoint.setTemperature((qint8)val);
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ctx.trackpoint.setTemperature((qint8)val);
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break;
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default:
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break;
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@ -308,73 +287,85 @@ bool FITParser::parseData(TrackData &track, MessageDefinition *def,
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}
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}
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for (i = 0; i < def->numDevFields; i++) {
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for (int i = 0; i < def->numDevFields; i++) {
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field = &def->devFields[i];
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if (!readField(field, val))
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if (!readField(ctx, field, val))
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return false;
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}
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if (def->globalId == EVENT_MESSAGE) {
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if ((event.id == 42 || event.id == 43) && event.type == 3) {
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quint32 front = ((event.data & 0xFF000000) >> 24);
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quint32 rear = ((event.data & 0x0000FF00) >> 8);
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_ratio = ((qreal)front / (qreal)rear);
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ctx.ratio = ((qreal)front / (qreal)rear);
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}
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} else if (def->globalId == RECORD_MESSAGE) {
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if (ctx.timestamp > ctx.lastWrite
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&& ctx.trackpoint.coordinates().isValid()) {
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ctx.trackpoint.setTimestamp(QDateTime::fromTime_t(ctx.timestamp
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+ 631065600));
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ctx.trackpoint.setRatio(ctx.ratio);
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ctx.track.append(ctx.trackpoint);
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ctx.trackpoint = Trackpoint();
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ctx.lastWrite = ctx.timestamp;
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}
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}
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return true;
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}
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bool FITParser::parseDataMessage(TrackData &track, quint8 header)
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bool FITParser::parseDataMessage(CTX &ctx, quint8 header)
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{
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int local_id = header & 0xf;
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MessageDefinition *def = &_defs[local_id];
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return parseData(track, def, 0);
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MessageDefinition *def = &(ctx.defs[local_id]);
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return parseData(ctx, def);
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}
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bool FITParser::parseCompressedMessage(TrackData &track, quint8 header)
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bool FITParser::parseCompressedMessage(CTX &ctx, quint8 header)
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{
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int local_id = (header >> 5) & 3;
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MessageDefinition *def = &_defs[local_id];
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return parseData(track, def, header & 0x1f);
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MessageDefinition *def = &(ctx.defs[local_id]);
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ctx.timestamp += header & 0x1f;
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return parseData(ctx, def);
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}
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bool FITParser::parseRecord(TrackData &track)
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bool FITParser::parseRecord(CTX &ctx)
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{
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quint8 header;
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if (!readValue(header))
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if (!readValue(ctx, header))
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return false;
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if (header & 0x80)
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return parseCompressedMessage(track, header);
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return parseCompressedMessage(ctx, header);
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else if (header & 0x40)
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return parseDefinitionMessage(header);
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return parseDefinitionMessage(ctx, header);
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else
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return parseDataMessage(track, header);
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return parseDataMessage(ctx, header);
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}
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bool FITParser::parseHeader()
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bool FITParser::parseHeader(CTX &ctx)
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{
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FileHeader hdr;
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quint16 crc;
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qint64 len;
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STATIC_ASSERT(sizeof(hdr) == 12);
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len = _device->read((char*)&hdr, sizeof(hdr));
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len = ctx.file->read((char*)&hdr, sizeof(hdr));
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if (len < 0) {
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_errorString = "I/O error";
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return false;
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} else if ((size_t)len < sizeof(hdr)
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|| hdr.magic != qToLittleEndian(FIT_MAGIC)) {
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|| hdr.magic != qToLittleEndian((quint32)FIT_MAGIC)) {
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_errorString = "Not a FIT file";
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return false;
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}
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_len = qFromLittleEndian(hdr.dataSize);
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ctx.len = qFromLittleEndian(hdr.dataSize);
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if (hdr.headerSize > sizeof(hdr))
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if (!readData((char *)&crc, sizeof(crc)))
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if (!readData(ctx.file, (char *)&crc, sizeof(crc)))
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return false;
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return true;
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@ -385,28 +376,17 @@ bool FITParser::parse(QFile *file, QList<TrackData> &tracks,
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{
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Q_UNUSED(routes);
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Q_UNUSED(waypoints);
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bool ret = true;
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CTX ctx(file);
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_device = file;
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_endian = 0;
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_timestamp = 0;
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_last = 0;
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_ratio = NAN;
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_trackpoint = Trackpoint();
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if (!parseHeader())
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if (!parseHeader(ctx))
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return false;
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tracks.append(TrackData());
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TrackData &track = tracks.last();
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while (ctx.len)
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if (!parseRecord(ctx))
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return false;
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while (_len)
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if (!(ret = parseRecord(track)))
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break;
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if (ret && _trackpoint.coordinates().isValid())
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ret = addEntry(track);
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||||
tracks.append(ctx.track);
|
||||
|
||||
clearDefinitions();
|
||||
|
||||
return ret;
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -3,66 +3,34 @@
|
||||
|
||||
#include "parser.h"
|
||||
|
||||
class QFile;
|
||||
|
||||
class FITParser : public Parser
|
||||
{
|
||||
public:
|
||||
FITParser();
|
||||
|
||||
bool parse(QFile *file, QList<TrackData> &tracks, QList<RouteData> &routes,
|
||||
QList<Waypoint> &waypoints);
|
||||
QString errorString() const {return _errorString;}
|
||||
int errorLine() const {return 0;}
|
||||
|
||||
private:
|
||||
struct FileHeader {
|
||||
quint8 headerSize;
|
||||
quint8 protocolVersion;
|
||||
quint16 profileVersion;
|
||||
quint32 dataSize;
|
||||
quint32 magic;
|
||||
};
|
||||
struct Field;
|
||||
class MessageDefinition;
|
||||
class CTX;
|
||||
|
||||
struct Field {
|
||||
quint8 id;
|
||||
quint8 size;
|
||||
quint8 type;
|
||||
};
|
||||
bool readData(QFile *file, char *data, size_t size);
|
||||
template<class T> bool readValue(CTX &ctx, T &val);
|
||||
bool skipValue(CTX &ctx, size_t size);
|
||||
bool readField(CTX &ctx, Field *field, quint32 &val);
|
||||
|
||||
struct MessageDefinition {
|
||||
quint8 endian;
|
||||
quint16 globalId;
|
||||
quint8 numFields;
|
||||
Field *fields;
|
||||
quint8 numDevFields;
|
||||
Field *devFields;
|
||||
};
|
||||
bool parseHeader(CTX &ctx);
|
||||
bool parseRecord(CTX &ctx);
|
||||
bool parseDefinitionMessage(CTX &ctx, quint8 header);
|
||||
bool parseCompressedMessage(CTX &ctx, quint8 header);
|
||||
bool parseDataMessage(CTX &ctx, quint8 header);
|
||||
bool parseData(CTX &ctx, const MessageDefinition *def);
|
||||
|
||||
|
||||
void warning(const char *text) const;
|
||||
void clearDefinitions();
|
||||
|
||||
bool readData(char *data, size_t size);
|
||||
template<class T> bool readValue(T &val);
|
||||
bool skipValue(size_t size);
|
||||
|
||||
bool parseHeader();
|
||||
bool parseRecord(TrackData &track);
|
||||
bool parseDefinitionMessage(quint8 header);
|
||||
bool parseCompressedMessage(TrackData &track, quint8 header);
|
||||
bool parseDataMessage(TrackData &track, quint8 header);
|
||||
bool parseData(TrackData &track, MessageDefinition *def, quint8 offset);
|
||||
bool readField(Field *f, quint32 &val);
|
||||
bool addEntry(TrackData &track);
|
||||
|
||||
QIODevice *_device;
|
||||
QString _errorString;
|
||||
|
||||
quint32 _len;
|
||||
quint8 _endian;
|
||||
quint32 _timestamp, _last;
|
||||
MessageDefinition _defs[16];
|
||||
qreal _ratio;
|
||||
Trackpoint _trackpoint;
|
||||
};
|
||||
|
||||
#endif // FITPARSER_H
|
||||
|
||||
@ -67,7 +67,8 @@ inline QDebug operator<<(QDebug dbg, const Trackpoint &trackpoint)
|
||||
dbg.nospace() << "Trackpoint(" << trackpoint.coordinates() << ", "
|
||||
<< trackpoint.timestamp() << ", " << trackpoint.elevation() << ", "
|
||||
<< trackpoint.speed() << ", " << trackpoint.heartRate() << ", "
|
||||
<< trackpoint.temperature() << ")";
|
||||
<< trackpoint.temperature() << ", " << trackpoint.cadence() << ", "
|
||||
<< trackpoint.power() << ", " << trackpoint.ratio() << ")";
|
||||
return dbg.space();
|
||||
}
|
||||
#endif // QT_NO_DEBUG
|
||||
|
||||
Loading…
Reference in New Issue
Block a user