[namespace][object_key][payload length][payload]

##</code><code>##

sub format {
  return [
           [Version1               => [1, 'C',      '%u', undef, 'checkString']],
           [Version1String         => [0, 'a*',     '%s', undef, 'chompString']],
           [Version2               => [1, 'C',      '%u', undef, 'checkString']],
           [Version2String         => [0, 'a*',     '%s', undef, 'chompString']],
         ];
}

##</code><code>##

  ['Speed'                         => [2, 'v', '%u', [  0,1,100,0]]],#speed x 100 , 16 bit vax unsigned, 0 to 65535 (655.35) m/s
  ['Voltage'                       => [1, 'C', '%u', [200,1,100,0]]],#Voltage x100, + 2V, 8 bit char unsigned, 0 (2V) to 255 (4.55V)
  ['Method'                        => undef                        ],#0 length item for using the format for other things like building human displays

##</code><code>##

sub format {
  return [
           [ID           => [10, 'C[10]', '%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X']],
           [MajorVersion => [1,  'C',     '%u']],
           [MinorVersion => [1,  'C',     '%u']],
           [SubVersion   => [1,  'C',     '%u']],
         ];
}