Esempio n. 1
0
 /**
  * Writes the data size to the header and a CRC checksum at the end.
  * @return \Fit\Writer
  */
 protected function writeFileClosure()
 {
     //mark current writing position
     $offset = $this->writer->getOffset();
     //move to header and write the size of the data
     $this->writer->setOffset(4);
     $data_size = $this->writer->getSize() - 14;
     $this->writer->writeUInt32LE($data_size);
     // Does not include file header or crc.  Little endian format.
     //write 2 byte crc check at end of file
     $this->writer->setOffset($offset);
     $this->writer->writeUInt16LE(0);
     return $this;
 }