51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package main
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"ibtReader/utils"
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)
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const (
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SubHeaderSize = 32 // SubHeaderSize is the size of the subheader
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)
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// DiskSubHeader represents the IBT sub headers
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type DiskSubHeader struct {
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StartDate int64 // StartDate represents the start date of the telemetry
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StartTime float64 // StartTime of file relative to start of session
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EndTime float64 // EndTime of file relative to start of session
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LapCount int32 // LapCount represents the total number laps
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RecordCount int32 // RecordCount holds the number of data frames
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}
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// parseTelemetrySubHeader will return a pointer to a DiskSubHeader variable
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// or nil if an error occurs. In which case the error return value is more
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// valuable
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func parseTelemetrySubHeader(buf [SubHeaderSize]byte) (*DiskSubHeader, error) {
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utils.HexDump(buf[:])
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dst := DiskSubHeader{}
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err := binary.Read(bytes.NewBuffer(buf[:]), binary.LittleEndian, &dst)
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if err != nil {
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return nil, err
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}
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return &dst, nil
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}
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// ToString renders a string showing the values of the struct
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func (d *DiskSubHeader) ToString() string {
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return fmt.Sprintf(
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"StartDate: %13d (0x%04x)\n"+
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"StartTime: %13f (0x%08x)\n"+
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"EndTime: %13f (0x%08x)\n"+
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"LapCount: %13d (0x%04x)\n"+
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"RecordCount: %13d (0x%04x)\n",
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d.StartDate, d.StartDate, d.StartTime, d.StartTime,
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d.EndTime, d.EndTime, d.LapCount, d.LapCount,
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d.RecordCount, d.RecordCount,
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)
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}
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