"Response to command from spacecraft" (SVC/ITC)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Description:

Command confirmation telemetry packet. When executing spacecraft commands, ITC will autogenerate a diagnostic packet, detailing where and when a command is executed as well as the return code for the execution. To identify the command, ITC reflects the command in toto.

Layout:  (hide detail; help)

Offset	S	L		Type	ITOS name	ITOS description
0x00E	0	8		I1	LITCNODE	ITC node ID
0x00F	0	8		I1	LITCTASK	ITC task ID
0x010	0	32		U1234	LITCDEQTIMHI	Time (most significant 32 bits)
0x014	0	32		U1234	LITCDEQTIMLO	Time (least significant 32 bits)
0x018	0	32		U1234	LITCEXETIMHI	Time (most significant 32 bits)
0x01C	0	32		U1234	LITCEXETIMLO	Time (least significant 32 bits)
0x020	0	32		U1234	LITCEXESTATUS	MSG status code
0x024	0	16		U12	LITCDROPCNFRM	Number of dropped confirmations
0x026	0	15		U12	LITCPAD15	Padding field (15 bits)
	15	1		U12	LITCISTIME44	Flag to indicate the format of the time fields
0x028	0	3		I1	LITCCMDHDRVER	CCSDS version
	3	1		I1	LITCCMDHDRCMD	CCSDS command bit
	4	1		I1	LITCCMDHDRSEC	CCSDS secondary header flag
	5	11		U12	LITCCMDHDRAPID	CCSDS application ID
0x02A	0	2		I1	LITCCMDHDRSEQ	CCSDS sequencing bits
	2	14		U12	LITCCMDHDRCNT	CCSDS sequencing count
0x02C	0	16		U12	LITCCMDHDRLEN	CCSDS telecommand packet length
0x02E	0	1		I1	LITCCMDHDRPAD	Padding
	1	15		U12	LITCCMDHDRFNC	CCSDS telecommand function code