Endianing off
0 --> Packet: 0000_0000_
1 --> Packet: 0001_0000_
-1 --> Packet: ffff_ffff_
2147483647 --> Packet: ffff_7fff_
-2147483648 --> Packet: 0000_8000_
Endianing on
0 --> Packet: 0000_0000_
1 --> Packet: 0000_0001_
-1 --> Packet: ffff_ffff_
2147483647 --> Packet: 7fff_ffff_
-2147483648 --> Packet: 8000_0000_