SPARK-proved CCSDS protocol suite for Ada 2022. Covers Space Packet,
Time Code Formats (CUC / CDS), AOS Transfer Frame with FECF,
Encapsulation Packet, CFDP PDU with optional CRC, SLE identifiers,
and the shared CRC-16-CCITT-FALSE primitive. 440 SPARK Level 2 proof
obligations, all discharged, no pragma Assume, no justified checks.
Baris Erdem