/**
* Every .FIT file starts of with a file header which is parsed here.
* @return string[] The file header
*/
protected function readFileHeader()
{
$this->file_header = array('header_size' => $this->reader->readUInt8(), 'protocol_version' => $this->reader->readUInt8(), 'profile_version' => $this->reader->readUInt16(), 'data_size' => $this->reader->readUInt32LE(), 'data_type' => $this->reader->readString8(4));
//when not found, the profile will be the default
$this->profile->setProtocolAndProfile($this->file_header['protocol_version'], $this->file_header['profile_version']);
if ($this->file_header['header_size'] > 12) {
$this->file_header += array('crc' => $this->reader->readUInt16LE());
}
//make sure we are at start of first record
$this->reader->setOffset($this->file_header['header_size']);
return $this->file_header;
}
