docs: def writeToCSV(self, output_path=None):
          '''writeToCSV - write the telemetry dictionary to csv
          '''
          header = ['Name', 'First Byte', 'Last Byte', 'Bit Mask', 'Endian',
                    'Type', 'Description', 'Values']
  
          if output_path is None:
              output_path = ait.config._directory
  
          for pkt_name in self.tlmdict:
              filename = os.path.join(output_path, pkt_name + '.csv')
  
              with open(filename, 'wb') as output:
                  csvwriter = csv.writer(output, quoting=csv.QUOTE_ALL)
                  csvwriter.writerow(header)
  
                  for fld in self.tlmdict[pkt_name].fields:
                      # Pre-process some fields
  
                      # Description
                      desc = fld.desc.replace('\n', ' ') if fld.desc is not None else ""
  
                      # Mask
                      mask = hex(fld.mask) if fld.mask is not None else ""
  
                      # Enumerations
                      enums = '\n'.join("%s: %s" % (k, fld.enum[k])
                              for k in fld.enum) if fld.enum is not None else ""
  
                      # Set row
                      row = [fld.name, fld.slice().start, fld.slice().stop,
                             mask, fld.type.endian, fld.type.name, desc, enums]
  
                      csvwriter.writerow(row)