Module : base-types

T-uint8(INTEGER) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 255)		8	8

 

T-uint16(INTEGER) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 65535)		16	16

 

T-uint14(INTEGER) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 16383)		14	14

 

T-uint32(INTEGER) ASN.1 ACN		min = 4 bytes	max = 4 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 4294967295)		32	32

 

T-address(OCTET-STRING) ASN.1				min = 4 bytes		max = 4 bytes
Length is Fixed equal to 4, so no length determinant is encoded.
No	Field	Comment	Type	Constraint	Min Length (bits)	Max Length (bits)
1	Item #1		OCTET		8	8
. . .
4	Item #4		OCTET		8	8

 

T-1000(INTEGER) ASN.1 ACN		min = 4 bytes	max = 4 bytes
cannot define types with constraints in ACN file
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 1000)		32	32

 

T-timestamp(OCTET-STRING) ASN.1 ACN				min = 6 bytes		max = 6 bytes
Format not yet determined Length is Fixed equal to 6, so no length determinant is encoded.
No	Field	Comment	Type	Constraint	Min Length (bits)	Max Length (bits)
1	Item #1		OCTET		8	8
. . .
6	Item #6		OCTET		8	8

 

T-NULL(INTEGER) ASN.1 ACN		min = 0 bytes	max = 0 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0)		0	0

 

T-apid(SEQUENCE) ASN.1				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	process-id		always	INTEGER	(0 .. 127)	7	7
2	packet-category		always	INTEGER	(0 .. 15)	4	4

 

T-packetSequenceControl(SEQUENCE) ASN.1				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	sequence-groupingFlag	Enumeration's values: continuation-sequence-packet(0) firsts-sequence-packet(1) last-sequence-packet(2) stand-alone-packet(3)	always	T-sequenceGroupingFlag	N.A.	2	2
2	sequence-count		always	T-uint14	N.A.	14	14

 

T-sequenceGroupingFlag(ENUMERATED) ASN.1		min = 1 bytes	max = 1 bytes
Enumeration's values: continuation-sequence-packet(0) firsts-sequence-packet(1) last-sequence-packet(2) stand-alone-packet(3)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		2	2

 

T-dpu-memory-id(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		8	8

 

Module : telecommand

T-telecommand(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 1022 bytes
General Telecommand structure
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	packet-header		always	TC-packetHeader	N.A.	48	48
2	data-field-header		always	T-tc-dataFieldHeader	N.A.	32	32
3	application-data		always	T-tc-applicationData	N.A.	0	8080
4	crc		always	T-uint16	N.A.	16	16

 

TC-packetHeader(SEQUENCE) ASN.1 ACN				min = 6 bytes		max = 6 bytes
TC-Header and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	packet-id		always	T-tc-packetID	N.A.	16	16
2	packet-sequence-control		always	T-packetSequenceControl	N.A.	16	16
3	packet-length		always	T-uint16	N.A.	16	16

 

T-tc-packetID(SEQUENCE) ASN.1 ACN				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	ccsds-version-number		always	NULL	N.A.	3	3
2	packet-type		always	NULL	N.A.	1	1
3	has-data-fieldhdr		always	NULL	N.A.	1	1
4	apid		always	T-apid	N.A.	11	11

 

T-tc-dataFieldHeader(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
TC-Data-Field-Header and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	ccsds-2nd-header-flag		always	NULL	N.A.	1	1
2	packet-pus-version		always	NULL	N.A.	3	3
3	ack-execution-completion		always	BOOLEAN	N.A.	1	1
4	ack-execution-progress		always	BOOLEAN	N.A.	1	1
5	ack-execution-start		always	BOOLEAN	N.A.	1	1
6	ack-acceptance		always	BOOLEAN	N.A.	1	1
7	service-type		always	T-uint8	N.A.	8	8
8	service-subtype		always	T-uint8	N.A.	8	8
9	source-id	Enumeration's values: source1-dummy(0) source2-dummy(1)	always	T-sourceId	N.A.	8	8

 

T-sourceId(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
source Ids TBD Enumeration's values: source1-dummy(0) source2-dummy(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		8	8

 

T-tc-applicationData(CHOICE) ASN.1 ACN				min = 0 bytes		max = 1010 bytes
- Telecommand application data - List of all available TCs categorized by their respective pus(-sub)types Definition of actual payload data is done in respective Types below In the ACN-file this type is used to automatically assign the pustype and subtype fields in encoding and determine the packet type from pustype and subtype in decoding Types defined as T-NULL have no actual payload data besides the fields for pustype and subtype.
No	ACN Parameterswhat is this?						Type
1	pusType						T-uint8
2	pusSubType						T-uint8
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-3-27-update-hk-period		pusType=3 AND pusSubType=27	TC-UPDATE-HK-PERIOD	N.A.	32	32
2	tc-6-2-load-memory		pusType=6 AND pusSubType=2	TC-LOAD-MEMORY	N.A.	112	8080
3	tc-6-5-dump-memory		pusType=6 AND pusSubType=5	TC-DUMP-MEMORY	N.A.	80	80
4	tc-6-9-check-memory		pusType=6 AND pusSubType=9	TC-CHECK-MEMORY	N.A.	72	72
5	tc-6-129-transfer-image		pusType=6 AND pusSubType=129	TC-TRANSFER-IMAGE	N.A.	80	80
6	tc-210-3-reset-dpu		pusType=210 AND pusSubType=3	T-NULL	N.A.	0	0
7	tc-210-4-enable-watchdog		pusType=210 AND pusSubType=4	T-NULL	N.A.	0	0
8	tc-210-5-disable-watchdog		pusType=210 AND pusSubType=5	T-NULL	N.A.	0	0
9	tc-210-6-boot-iasw		pusType=210 AND pusSubType=6	TC-BOOT-IASW	N.A.	80	80
10	tc-197-2-report-boot		pusType=197 AND pusSubType=2	T-NULL	N.A.	0	0

 

TC-UPDATE-HK-PERIOD(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-report-sid		always	T-uint8	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	hk-report-period		always	T-uint16	N.A.	16	16

 

TC-LOAD-MEMORY(SEQUENCE) ASN.1 ACN				min = 14 bytes		max = 1010 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	dpu-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	start-address		always	T-address	N.A.	32	32
4	block-length		always	T-1000	N.A.	32	32
5	block-data		always	OCTET-STRING	(SIZE(4 .. 1000))	32	8000

 

TC-DUMP-MEMORY(SEQUENCE) ASN.1 ACN				min = 10 bytes		max = 10 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	dpu-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	start-address		always	T-address	N.A.	32	32
4	block-length		always	T-uint32	N.A.	32	32

 

TC-CHECK-MEMORY(SEQUENCE) ASN.1 ACN				min = 9 bytes		max = 9 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	dpu-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	start-address		always	T-address	N.A.	32	32
3	block-length		always	T-uint32	N.A.	32	32

 

TC-TRANSFER-IMAGE(SEQUENCE) ASN.1 ACN				min = 10 bytes		max = 10 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	source-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	source-address		always	T-address	N.A.	32	32
3	destination-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
4	destination-addr		always	T-address	N.A.	32	32

 

TC-BOOT-IASW(SEQUENCE) ASN.1 ACN				min = 10 bytes		max = 10 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	iasw-image-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	iasw-image-address		always	T-address	N.A.	32	32
4	iasw-start-address		always	T-address	N.A.	32	32

 

Module : telemetry

T-tc-packetID(INTEGER) ASN.1 ACN		min = 2 bytes	max = 2 bytes
T-tc-packetID FROM telecommand;
Constraints		Min Length (bits)	Max Length (bits)
(0 .. 65535)		16	16

 

T-telemetry(SEQUENCE) ASN.1 ACN				min = 18 bytes		max = 1027 bytes
- General Telemetry structure -
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	packet-header		always	TM-packetHeader	N.A.	48	48
2	data-field-header		always	T-tm-dataFieldHeader	N.A.	80	80
3	application-data		always	T-tm-applicationData	N.A.	1	8080
4	crc		always	T-uint8	N.A.	8	8

 

TM-packetHeader(SEQUENCE) ASN.1 ACN				min = 6 bytes		max = 6 bytes
TM-Header and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	packet-id		always	T-tm-packetID	N.A.	16	16
2	packet-sequence-control		always	T-packetSequenceControl	N.A.	16	16
3	packet-length		always	T-uint16	N.A.	16	16

 

T-tm-packetID(SEQUENCE) ASN.1 ACN				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	version-number		always	NULL	N.A.	3	3
2	packet-type		always	NULL	N.A.	1	1
3	has-data-fieldhdr		always	NULL	N.A.	1	1
4	apid		always	T-apid	N.A.	11	11

 

T-tm-dataFieldHeader(SEQUENCE) ASN.1 ACN				min = 10 bytes		max = 10 bytes
TM-Data-Field-Header and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	spare1		always	NULL	N.A.	1	1
2	packet-pus-version		always	NULL	N.A.	3	3
3	spare2		always	NULL	N.A.	4	4
4	service-type		always	T-uint8	N.A.	8	8
5	service-subtype		always	T-uint8	N.A.	8	8
6	destination-id	Enumeration's values: destination1-dummy(0) destination2-dummy(1)	always	T-destinationId	N.A.	8	8
7	time		always	T-timestamp	N.A.	48	48

 

T-destinationId(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
TBD Enumeration's values: destination1-dummy(0) destination2-dummy(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		8	8

 

T-tm-applicationData(CHOICE) ASN.1 ACN				min = 1 bytes		max = 1010 bytes
Telemetry application data List of all available TMs categorized by their respective pus(-sub)types Definition of actual payload data is done in respective Types below In the ACN-file this type is used to automatically assign the pustype and subtype fields in encoding and determine the packet type from pustype and subtype in decoding Types defined as T-NULL have no actual payload data besides the fields for pustype and subtype. Some services with the same pustype and subtype can send differently formatted TM-packets this is handled by other CHOICE-types further down.
No	ACN Parameterswhat is this?						Type
1	pusType						T-uint8
2	pusSubType						T-uint8
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tm-1-1-acc-sucess		pusType=1 AND pusSubType=1	TM-ACC-SUCCESS	N.A.	32	32
2	tm-1-2-acc-failure		pusType=1 AND pusSubType=2	TM-ACC-FAILURE	N.A.	128	128
3	tm-1-7-exe-success		pusType=1 AND pusSubType=7	TM-EXE-SUCCESS	N.A.	32	32
4	tm-1-8-exe-failure		pusType=1 AND pusSubType=8	TM-EXE-FAILURE	N.A.	96	96
5	tm-3-25-hk		pusType=3 AND pusSubType=25	TM-DBS-HK	N.A.	1072	1072
6	tm-6-10-memory-check		pusType=6 AND pusSubType=10	TM-MEMORY-CHECK	N.A.	96	96
7	tm-6-6-memory-dump		pusType=6 AND pusSubType=6	TM-MEMORY-DUMP	N.A.	112	8080
8	tm-197-1-boot-report		pusType=197 AND pusSubType=1	TM-BOOT-REPORT	N.A.	1	1
9	tm-5-1-event-pr-nominal		pusType=5 AND pusSubType=1	TM-EVENT-PR-NOMINAL-REPORT	N.A.	64	64
10	tm-5-2-event-low-severity		pusType=5 AND pusSubType=2	TM-EVENT-ANOMALY-REPORT-LOW-SEVERITY	N.A.	32	128
11	tm-5-3-event-medium-severity		pusType=5 AND pusSubType=3	TM-EVENT-ANOMALY-REPORT-MEDIUM-SEVERITY	N.A.	32	128
12	tm-5-4-event-high-severity		pusType=5 AND pusSubType=4	TM-EVENT-ANOMALY-REPORT-HIGH-SEVERITY	N.A.	48	192

 

TM-ACC-SUCCESS(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
TMs of pusservice 1 and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-packet-id		always	T-tc-packetID	N.A.	16	16
2	tc-Sequence-control		always	T-packetSequenceControl	N.A.	16	16

 

TM-ACC-FAILURE(SEQUENCE) ASN.1 ACN				min = 16 bytes		max = 16 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-failure-code	Enumeration's values: illega-apid(0) wrong-pkt-len(1) wrong-crc(2) ill-type(3) ill-subtype(4) wrong-source-id(5)	always	T-tcFailureCode	N.A.	16	16
2	tc-packet-id		always	T-tc-packetID	N.A.	16	16
3	tc-sequence-control		always	T-packetSequenceControl	N.A.	16	16
4	tc-service		always	T-uint8	N.A.	8	8
5	tc-subtype		always	T-uint8	N.A.	8	8
6	tc-packet-length-field		always	T-uint16	N.A.	16	16
7	received-bytes		always	T-uint16	N.A.	16	16
8	tc-received-crc		always	T-uint16	N.A.	16	16
9	tc-calculated-crc		always	T-uint16	N.A.	16	16

 

T-tcFailureCode(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Enumeration's values: illega-apid(0) wrong-pkt-len(1) wrong-crc(2) ill-type(3) ill-subtype(4) wrong-source-id(5)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

TM-EXE-SUCCESS(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-packet-id		always	T-tc-packetID	N.A.	16	16
2	tc-Sequence-control		always	T-packetSequenceControl	N.A.	16	16

 

TM-EXE-FAILURE(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 12 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-failure-code	Enumeration's values: wrong-app-data(0) func-not-impl(1) exe-error(2)	always	T-ExeFailureCode	N.A.	16	16
2	tc-packet-id		always	T-tc-packetID	N.A.	16	16
3	tc-sequence-control		always	T-packetSequenceControl	N.A.	16	16
4	tc-service		always	T-uint8	N.A.	8	8
5	tc-subtype		always	T-uint8	N.A.	8	8
6	wrong-byte-position		always	T-uint16	N.A.	16	16
7	wrong-value		always	T-uint16	N.A.	16	16

 

T-ExeFailureCode(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Enumeration's values: wrong-app-data(0) func-not-impl(1) exe-error(2)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

TM-DBS-HK(SEQUENCE) ASN.1 ACN				min = 134 bytes		max = 134 bytes
Housekeeping TM and related types, some of them are used by other TMs aswell -
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-report-sid		always	T-uint8	N.A.	8	8
2	status-byte-1		always	T-hk-dbs-status-byte-1	N.A.	8	8
3	status-byte-2		always	T-hk-dbs-status-byte-2	N.A.	8	8
4	status-byte-3		always	T-hk-dbs-status-byte-3	N.A.	8	8
5	dbs-sw-version		always	T-dbs-sw-version	N.A.	32	32
6	hk-dbs-exe-tc-cnt		always	T-uint16	N.A.	16	16
7	hk-dbs-rej-tc-cnt		always	T-uint16	N.A.	16	16
8	hk-dbs-last-exe-tc-id		always	T-tc-packetID	N.A.	16	16
9	hk-dbs-last-exe-tc-type		always	T-uint8	N.A.	8	8
10	hk-dbs-last-exe-tc-subtype		always	T-uint8	N.A.	8	8
11	hk-dbs-last-exe-tc-time		always	T-timestamp	N.A.	48	48
12	hk-dbs-last-rej-tc-id		always	T-tc-packetID	N.A.	16	16
13	hk-dbs-last-rej-type		always	T-uint8	N.A.	8	8
14	hk-dbs-last-rej-subtype		always	T-uint8	N.A.	8	8
15	hk-dbs-last-rej-tc-time		always	T-timestamp	N.A.	48	48
16	hk-dbs-tm-cnt		always	T-uint16	N.A.	16	16
17	hk-dbs-sc-packet-rec-cnt		always	T-uint16	N.A.	16	16
18	hk-dbs-sc-packet-send-cnt		always	T-uint16	N.A.	16	16
19	adc-values-TBD		always	OCTET-STRING	(SIZE(64))	512	512
20	hk-dbs-le-cnt		always	T-uint16	N.A.	16	16
21	hk-dbs-me-cnt		always	T-uint16	N.A.	16	16
22	hk-dbs-he-cnt		always	T-uint16	N.A.	16	16
23	hk-dbs-last-error-rid		always	T-uint16	N.A.	16	16
24	hk-dbs-last-error-code	Enumeration's values: reset-required(1) reset-unexpected(2) ahb-correctable(3) ahb-uncorrectable(4) seg-inv-id(5) seg-inv-crc(6) seg-only-end(7) seg-inv-dest-addr(8) seg-inv-size(9) seg-copy-err(10) sync-pulse-missing(11) time-msg-missing(12) inv-apid(13) cmd-exe-not-ready(14) le-dpu-sc-link-TBD(15)	always	T-event-error-code	N.A.	8	8
25	hk-dbs-last-error-time		always	T-timestamp	N.A.	48	48
26	ahb-last-fail-addr		always	T-address	N.A.	32	32
27	errcnt-seg-inv-id		always	T-uint8	N.A.	8	8
28	errcnt-seg-inv-crc		always	T-uint8	N.A.	8	8
29	errcnt-seg-only-end		always	T-uint8	N.A.	8	8
30	errcnt-seg-inv-dest-addr		always	T-uint8	N.A.	8	8
31	errcnt-seg-inv-size		always	T-uint8	N.A.	8	8
32	errcnt-seg-copy-err		always	T-uint8	N.A.	8	8
33	errcnt-time-msg-missing		always	T-uint8	N.A.	8	8
34	errcnt-sync-pulse-missing		always	T-uint8	N.A.	8	8
35	errcnt-ahb-correctable		always	T-uint8	N.A.	8	8
36	errcnt-ahb-uncorrectable		always	T-uint8	N.A.	8	8
37	errcnt-inv-apid		always	T-uint8	N.A.	8	8
38	errcnt-cmd-exe-not-ready		always	T-uint8	N.A.	8	8
39	tbd		always	T-uint8	N.A.	8	8

 

T-hk-dbs-status-byte-1(SEQUENCE) ASN.1 ACN				min = 1 bytes		max = 1 bytes
status byte-1 and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-dpu-mode	Enumeration's values: dpuSafe(0)	always	T-dpuMode	N.A.	4	4
2	hk-dpu-sw-active	Enumeration's values: unknown(0) dbs(1) iasw(2)	always	T-dpuActiveStatus	N.A.	2	2
3	hk-dpu-watchdog-enabled		always	BOOLEAN	N.A.	1	1
4	hk-dpu-unit	Enumeration's values: nominal(0) redundant(1)	always	T-DpuUnit	N.A.	1	1

 

T-dpuMode(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: dpuSafe(0)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		4	4

 

T-dpuActiveStatus(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: unknown(0) dbs(1) iasw(2)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		2	2

 

T-DpuUnit(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: nominal(0) redundant(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		1	1

 

T-hk-dbs-status-byte-2(SEQUENCE) ASN.1 ACN				min = 1 bytes		max = 1 bytes
status byte-2 and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-dpu-reset-type	Enumeration's values: unknown-cause(0) power-on(1) tc-reset(2) watchdog(3) exception-reset(4)	always	T-dpuReset	N.A.	3	3
2	hk-time-sync	Enumeration's values: time-snchronized(0) time-unsynchronized(1)	always	T-timeSync	N.A.	1	1
3	spare		always	NULL	N.A.	4	4

 

T-dpuReset(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: unknown-cause(0) power-on(1) tc-reset(2) watchdog(3) exception-reset(4)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		3	3

 

T-timeSync(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: time-snchronized(0) time-unsynchronized(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		1	1

 

T-hk-dbs-status-byte-3(SEQUENCE) ASN.1 ACN				min = 1 bytes		max = 1 bytes
status byte-3 and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-dpu-sc-link-enabled		always	BOOLEAN	N.A.	1	1
2	hk-dpu-sc-link-state	Enumeration's values: tbd1(0) tbd2(1)	always	T-linkState	N.A.	3	3
3	hp-dpu-sem-link-enabled		always	BOOLEAN	N.A.	1	1
4	hk-dpu-sem-link-state	Enumeration's values: error-reset(0) error-wait(1) ready(2) started(3) connecting(4) run(5)	always	T-semLinkState	N.A.	3	3

 

T-linkState(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: tbd1(0) tbd2(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		3	3

 

T-semLinkState(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Enumeration's values: error-reset(0) error-wait(1) ready(2) started(3) connecting(4) run(5)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		3	3

 

T-dbs-sw-version(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	hk-dbs-sw-version		always	T-uint16	N.A.	16	16
2	hk-fpga-version		always	T-uint8	N.A.	8	8
3	hk-dpu-board-id		always	T-uint8	N.A.	8	8

 

TM-MEMORY-CHECK(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 12 bytes
Memory related TMs
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	dpu-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	start-address		always	T-address	N.A.	32	32
4	block-length		always	T-uint32	N.A.	32	32
5	crc-check		always	T-uint16	N.A.	16	16

 

TM-MEMORY-DUMP(SEQUENCE) ASN.1 ACN				min = 14 bytes		max = 1010 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	dpu-memory-id	Enumeration's values: dpu-prom(0) dpu-ram(1) dpu-flash1(2) dpu-flash2(3) dpu-flash3(4) dpu-flash4(5) dpu-register(6) dpu-internal(7)	always	T-dpu-memory-id	N.A.	8	8
2	spare		always	NULL	N.A.	8	8
3	start-address		always	T-address	N.A.	32	32
4	block-length		always	T-uint32	N.A.	32	32
5	block-data		always	OCTET-STRING	(SIZE(4 .. 1000))	32	8000

 

TM-BOOT-REPORT(SEQUENCE) ASN.1 ACN				min = 1 bytes		max = 1 bytes
Event Report TMs and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tbd		always	BOOLEAN	N.A.	1	1

 

TM-EVENT-PR-NOMINAL-REPORT(SEQUENCE) ASN.1 ACN				min = 8 bytes		max = 8 bytes
NOTE: The determiant option in the ACN-file requires to the same fields in its corresponding ENUMERATED as in its CHOICE-type. Therefore the ENUMERATED containing all event-report-ids from Table 74 was split up into 4 ENUMERATED (one for each report type) This may change in the future. NOTE: General structure is again: Have a Meta-type for the service which contains a CHOICE-field with all possible formats for TM from this service and define the formats underneath Nominal Report and related types Used a choice with only one field here just to be consistent with the other report types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	event-report-id	Enumeration's values: pr-dbs-boot(1)	always	T-event-report-id-pr	N.A.	16	16
2	report-data		always	T-report-data-nominal	N.A.	48	48

 

T-report-data-nominal(CHOICE) ASN.1 ACN				min = 6 bytes		max = 6 bytes
No	ACN Parameterswhat is this?						Type
1	id						T-event-report-id-pr
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	pr-dbs-boot		id = pr-dbs-boot	T-event-pr-dbs-boot	N.A.	48	48

 

T-event-pr-dbs-boot(SEQUENCE) ASN.1 ACN				min = 6 bytes		max = 6 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	status-byte-1		always	T-hk-dbs-status-byte-1	N.A.	8	8
2	status-byte-2		always	T-hk-dbs-status-byte-2	N.A.	8	8
3	dbs-sw-version		always	T-dbs-sw-version	N.A.	32	32

 

T-event-report-id-pr(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Used in the ACN-file for determination of the packet type Enumeration's values: pr-dbs-boot(1)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

TM-EVENT-ANOMALY-REPORT-LOW-SEVERITY(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 16 bytes
Anomaly report with low severity and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	event-report-id	Enumeration's values: le-dpu-ahb(2) le-dpu-reset(3) le-dpu-sc-link(4) le-inv-apid(5) le-cmd-exe-not-ready(6)	always	T-event-report-id-le	N.A.	16	16
2	event-error-code	Enumeration's values: reset-required(1) reset-unexpected(2) ahb-correctable(3) ahb-uncorrectable(4) seg-inv-id(5) seg-inv-crc(6) seg-only-end(7) seg-inv-dest-addr(8) seg-inv-size(9) seg-copy-err(10) sync-pulse-missing(11) time-msg-missing(12) inv-apid(13) cmd-exe-not-ready(14) le-dpu-sc-link-TBD(15)	always	T-event-error-code	N.A.	8	8
3	event-error-cnt		always	T-uint8	N.A.	8	8
4	report-data		always	T-report-data-low-severity	N.A.	0	96

 

T-report-data-low-severity(CHOICE) ASN.1 ACN				min = 0 bytes		max = 12 bytes
No	ACN Parameterswhat is this?						Type
1	id						T-event-report-id-le
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	le-dpu-sc-link		id = le-dpu-sc-link	T-event-le-dpu-sc-link	N.A.	0	0
2	le-dpu-reset		id = le-dpu-reset	T-event-le-dpu-reset	N.A.	16	16
3	le-dpu-ahb		id = le-dpu-ahb	T-event-le-dpu-ahb	N.A.	96	96
4	le-inv-apid		id = le-inv-apid	T-event-le-inv-apid	N.A.	32	32
5	le-cmd-exe-not-ready		id = le-cmd-exe-not-ready	T-event-le-cmd-exe-not-ready	N.A.	32	32

 

T-event-le-dpu-sc-link(INTEGER) ASN.1 ACN		min = 0 bytes	max = 0 bytes
Constraints		Min Length (bits)	Max Length (bits)
(0)		0	0

 

T-event-le-dpu-reset(SEQUENCE) ASN.1 ACN				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	status-byte-1		always	T-hk-dbs-status-byte-1	N.A.	8	8
2	status-byte-2		always	T-hk-dbs-status-byte-2	N.A.	8	8

 

T-event-le-dpu-ahb(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 12 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	ahb-status-register		always	T-address	N.A.	32	32
2	ahb-failing-addr		always	T-address	N.A.	32	32
3	ahb-valid-failed-addr		always	T-address	N.A.	32	32

 

T-event-le-inv-apid(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-packet-id		always	T-tc-packetID	N.A.	16	16
2	tc-sequence-control		always	T-packetSequenceControl	N.A.	16	16

 

T-event-le-cmd-exe-not-ready(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 4 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	tc-packet-id		always	T-tc-packetID	N.A.	16	16
2	tc-sequence-control		always	T-packetSequenceControl	N.A.	16	16

 

T-event-report-id-le(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Used in the ACN-file for determination of the packet type Enumeration's values: le-dpu-ahb(2) le-dpu-reset(3) le-dpu-sc-link(4) le-inv-apid(5) le-cmd-exe-not-ready(6)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

TM-EVENT-ANOMALY-REPORT-MEDIUM-SEVERITY(SEQUENCE) ASN.1 ACN				min = 4 bytes		max = 16 bytes
Anomaly report with medium severity and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	event-report-id	Enumeration's values: me-dpu-memory(7) me-dpu-sc-link(8) me-dpu-ahb(11)	always	T-event-report-id-me	N.A.	16	16
2	event-error-code	Enumeration's values: reset-required(1) reset-unexpected(2) ahb-correctable(3) ahb-uncorrectable(4) seg-inv-id(5) seg-inv-crc(6) seg-only-end(7) seg-inv-dest-addr(8) seg-inv-size(9) seg-copy-err(10) sync-pulse-missing(11) time-msg-missing(12) inv-apid(13) cmd-exe-not-ready(14) le-dpu-sc-link-TBD(15)	always	T-event-error-code	N.A.	8	8
3	event-error-cnt		always	T-uint8	N.A.	8	8
4	report-data		always	T-report-data-medium-severity	N.A.	0	96

 

T-report-data-medium-severity(CHOICE) ASN.1 ACN				min = 0 bytes		max = 12 bytes
No	ACN Parameterswhat is this?						Type
1	id						T-event-report-id-me
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	me-dpu-sc-link		id = me-dpu-sc-link	T-event-me-dpu-sc-link	N.A.	0	0
2	me-dpu-ahb		id = me-dpu-ahb	T-event-me-dpu-ahb	N.A.	96	96
3	me-dpu-memory		id = me-dpu-memory	T-event-me-dpu-memory	N.A.	96	96

 

T-event-me-dpu-sc-link(INTEGER) ASN.1 ACN		min = 0 bytes	max = 0 bytes
TBD
Constraints		Min Length (bits)	Max Length (bits)
(0)		0	0

 

T-event-me-dpu-ahb(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 12 bytes
event report id according to table 65 is not valid according to table 74
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	ahb-status-register		always	T-address	N.A.	32	32
2	ahb-failing-addr		always	T-address	N.A.	32	32
3	ahb-valid-failed-addr		always	T-address	N.A.	32	32

 

T-event-me-dpu-memory(SEQUENCE) ASN.1 ACN				min = 12 bytes		max = 12 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	failed-address		always	T-address	N.A.	32	32
2	failed-value-src		always	T-address	N.A.	32	32
3	failed-value-dest		always	T-address	N.A.	32	32

 

T-event-report-id-me(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Used in the ACN-filreport-ide for determination of the packet type Enumeration's values: me-dpu-memory(7) me-dpu-sc-link(8) me-dpu-ahb(11)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

TM-EVENT-ANOMALY-REPORT-HIGH-SEVERITY(SEQUENCE) ASN.1 ACN				min = 6 bytes		max = 24 bytes
Anomaly report with high severity and related types
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	event-report-id	Enumeration's values: he-dpu-reset(9) he-dpu-boot(10)	always	T-event-report-id-he	N.A.	16	16
2	event-error-code	Enumeration's values: reset-required(1) reset-unexpected(2) ahb-correctable(3) ahb-uncorrectable(4) seg-inv-id(5) seg-inv-crc(6) seg-only-end(7) seg-inv-dest-addr(8) seg-inv-size(9) seg-copy-err(10) sync-pulse-missing(11) time-msg-missing(12) inv-apid(13) cmd-exe-not-ready(14) le-dpu-sc-link-TBD(15)	always	T-event-error-code	N.A.	8	8
3	event-error-cnt		always	T-uint8	N.A.	8	8
4	report-data		always	T-report-data-high-severity	N.A.	16	160

 

T-report-data-high-severity(CHOICE) ASN.1 ACN				min = 2 bytes		max = 20 bytes
No	ACN Parameterswhat is this?						Type
1	id						T-event-report-id-he
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	he-dpu-reset		id = he-dpu-reset	T-event-he-dpu-reset	N.A.	16	16
2	he-dpu-boot		id = he-dpu-boot	T-event-he-dpu-boot	N.A.	160	160

 

T-event-he-dpu-reset(SEQUENCE) ASN.1 ACN				min = 2 bytes		max = 2 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	status-byte-1		always	T-hk-dbs-status-byte-1	N.A.	8	8
2	status-byte-2		always	T-hk-dbs-status-byte-2	N.A.	8	8

 

T-event-he-dpu-boot(SEQUENCE) ASN.1 ACN				min = 20 bytes		max = 20 bytes
No	Field	Comment	Present	Type	Constraint	Min Length (bits)	Max Length (bits)
1	first-seg-addr		always	T-address	N.A.	32	32
2	last-seg-addr		always	T-address	N.A.	32	32
3	seg-header-1		always	T-address	N.A.	32	32
4	seg-header-2		always	T-address	N.A.	32	32
5	seg-header-3		always	T-address	N.A.	32	32

 

T-event-report-id-he(ENUMERATED) ASN.1 ACN		min = 2 bytes	max = 2 bytes
Used in the ACN-file for determination of the packet type Enumeration's values: he-dpu-reset(9) he-dpu-boot(10)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		16	16

 

T-event-error-code(ENUMERATED) ASN.1 ACN		min = 1 bytes	max = 1 bytes
Common for all event-reports Each report could subconstrain this type to allow only the possible error-codes Enumeration's values: reset-required(1) reset-unexpected(2) ahb-correctable(3) ahb-uncorrectable(4) seg-inv-id(5) seg-inv-crc(6) seg-only-end(7) seg-inv-dest-addr(8) seg-inv-size(9) seg-copy-err(10) sync-pulse-missing(11) time-msg-missing(12) inv-apid(13) cmd-exe-not-ready(14) le-dpu-sc-link-TBD(15)
Constraints		Min Length (bits)	Max Length (bits)
N.A.		8	8

 

base-types DEFINITIONS ::= BEGIN T-uint8 ::= INTEGER(0..255) T-uint16 ::= INTEGER(0..65535) T-uint14 ::= INTEGER(0..16383) T-uint32 ::= INTEGER(0..4294967295) T-address ::= OCTET STRING ( SIZE(4) ) T-1000 ::= INTEGER(0..1000) -- cannot define types with constraints in ACN file T-timestamp ::= OCTET STRING ( SIZE(6) ) -- Format not yet determined T-NULL ::= INTEGER(0) T-apid ::= SEQUENCE { process-id INTEGER(0..127), packet-category INTEGER(0..15) } T-packetSequenceControl ::= SEQUENCE { sequence-groupingFlag T-sequenceGroupingFlag, sequence-count T-uint14 } T-sequenceGroupingFlag ::= ENUMERATED { continuation-sequence-packet(0), firsts-sequence-packet (1), last-sequence-packet (2), stand-alone-packet (3) } T-dpu-memory-id ::= ENUMERATED { dpu-prom, dpu-ram, dpu-flash1, dpu-flash2, dpu-flash3, dpu-flash4, dpu-register, dpu-internal } END

telecommand DEFINITIONS ::= BEGIN IMPORTS T-uint8, T-uint16, T-uint32, T-apid, T-NULL, T-1000, T-packetSequenceControl, T-address, T-dpu-memory-id FROM base-types; -------------------------------- -- General Telecommand structure -------------------------------- T-telecommand ::= SEQUENCE { packet-header TC-packetHeader, data-field-header T-tc-dataFieldHeader, application-data T-tc-applicationData, crc T-uint16 } -- TC-Header and related types ------------------------------ TC-packetHeader ::= SEQUENCE { packet-id T-tc-packetID, packet-sequence-control T-packetSequenceControl, packet-length T-uint16 } T-tc-packetID ::= SEQUENCE { -- versionNumber INTEGER(0..7), always 0 -- packetType T-packetType, always 1 for telecommand -- hasDataFieldHdr BOOLEAN, always 1 apid T-apid } -- TC-Data-Field-Header and related types ------------------------------------------ T-tc-dataFieldHeader ::= SEQUENCE { -- ccsdsHeaderFlag BOOLEAN, set to 0 -- packetPusVersion INTEGER(0..7), set to 1 ack-execution-completion BOOLEAN, -- test ack-execution-progress BOOLEAN, ack-execution-start BOOLEAN, ack-acceptance BOOLEAN, source-id T-sourceId } -- source Ids TBD T-sourceId ::= ENUMERATED { source1-dummy, source2-dummy } ------------------------------- -- Telecommand application data ------------------------------- -- List of all available TCs categorized by their respective pus(-sub)types -- Definition of actual payload data is done in respective Types below -- In the ACN-file this type is used to automatically assign the pustype and subtype fields -- in encoding and determine the packet type from pustype and subtype in decoding -- Types defined as T-NULL have no actual payload data besides the fields -- for pustype and subtype. T-tc-applicationData ::= CHOICE { -- From OBS to DBS tc-3-27-update-hk-period TC-UPDATE-HK-PERIOD, -- length 16 in table 12 - inconsistent with table 16 tc-6-2-load-memory TC-LOAD-MEMORY, tc-6-5-dump-memory TC-DUMP-MEMORY, tc-6-9-check-memory TC-CHECK-MEMORY, tc-6-129-transfer-image TC-TRANSFER-IMAGE, tc-210-3-reset-dpu T-NULL, tc-210-4-enable-watchdog T-NULL, tc-210-5-disable-watchdog T-NULL, tc-210-6-boot-iasw TC-BOOT-IASW, tc-197-2-report-boot T-NULL -- in fact no parameter } TC-UPDATE-HK-PERIOD ::= SEQUENCE { hk-report-sid T-uint8, -- default 100 hk-report-period T-uint16 -- default 8 } TC-LOAD-MEMORY ::= SEQUENCE { -- dpu-memory-id T-dpu-memory-id(dpu-ram | dpu-register | dpu-internal), bug 0000381 dpu-memory-id T-dpu-memory-id, start-address T-address, -- Destination address -- block-length INTEGER (4..1000), set in ACN, Number of bytes to load block-data OCTET STRING (SIZE(4..1000)) } TC-DUMP-MEMORY ::= SEQUENCE { dpu-memory-id T-dpu-memory-id, start-address T-address, -- Address to start dumping from block-length T-uint32 -- Number of bytes to dump } TC-CHECK-MEMORY ::= SEQUENCE { dpu-memory-id T-dpu-memory-id, start-address T-address, -- Address to start dumping from block-length T-uint32 -- Number of bytes to dump } TC-TRANSFER-IMAGE ::= SEQUENCE { source-memory-id T-dpu-memory-id, source-address T-address, -- Source address of the image destination-memory-id T-dpu-memory-id, destination-addr T-address -- Destination address of the image } TC-BOOT-IASW ::= SEQUENCE { iasw-image-memory-id T-dpu-memory-id, iasw-image-address T-address, iasw-start-address T-address } END

telemetry DEFINITIONS ::= BEGIN IMPORTS T-uint8, T-uint16, T-uint32, T-apid, T-packetSequenceControl, T-address, T-timestamp, T-dpu-memory-id, T-NULL FROM base-types; -- T-tc-packetID FROM telecommand; T-tc-packetID ::= T-uint16 ------------------------------- -- General Telemetry structure ------------------------------- T-telemetry ::= SEQUENCE { packet-header TM-packetHeader , data-field-header T-tm-dataFieldHeader, application-data T-tm-applicationData, crc T-uint8 } -- TM-Header and related types ------------------------------ TM-packetHeader ::= SEQUENCE { packet-id T-tm-packetID, packet-sequence-control T-packetSequenceControl, packet-length T-uint16 } T-tm-packetID ::= SEQUENCE { -- versionNumber INTEGER(0..7), always 0 -- packetType T-packetType, always 0 for telemetry -- hasDataFieldHdr BOOLEAN, apid T-apid } -- TM-Data-Field-Header and related types ------------------------------------------ T-tm-dataFieldHeader ::= SEQUENCE { -- packetPusVersion INTEGER(0..7), set to 1 destination-id T-destinationId, time T-timestamp } -- TBD T-destinationId ::= ENUMERATED { destination1-dummy, destination2-dummy } ------------------------------ -- Telemetry application data ------------------------------ -- List of all available TMs categorized by their respective pus(-sub)types -- Definition of actual payload data is done in respective Types below -- In the ACN-file this type is used to automatically assign the pustype and subtype fields -- in encoding and determine the packet type from pustype and subtype in decoding -- Types defined as T-NULL have no actual payload data besides the fields -- for pustype and subtype. -- Some services with the same pustype and subtype can send differently formatted -- TM-packets this is handled by other CHOICE-types further down. T-tm-applicationData ::= CHOICE { tm-1-1-acc-sucess TM-ACC-SUCCESS, tm-1-2-acc-failure TM-ACC-FAILURE, tm-1-7-exe-success TM-EXE-SUCCESS, tm-1-8-exe-failure TM-EXE-FAILURE, tm-3-25-hk TM-DBS-HK, -- length is TBD tm-6-10-memory-check TM-MEMORY-CHECK, tm-6-6-memory-dump TM-MEMORY-DUMP, tm-197-1-boot-report TM-BOOT-REPORT, tm-5-1-event-pr-nominal TM-EVENT-PR-NOMINAL-REPORT, tm-5-2-event-low-severity TM-EVENT-ANOMALY-REPORT-LOW-SEVERITY, tm-5-3-event-medium-severity TM-EVENT-ANOMALY-REPORT-MEDIUM-SEVERITY, tm-5-4-event-high-severity TM-EVENT-ANOMALY-REPORT-HIGH-SEVERITY } -- TMs of pusservice 1 and related types ---------------------------------------- TM-ACC-SUCCESS ::= SEQUENCE { tc-packet-id T-tc-packetID, tc-Sequence-control T-packetSequenceControl } TM-ACC-FAILURE ::= SEQUENCE { tc-failure-code T-tcFailureCode, tc-packet-id T-tc-packetID, -- Copy from TC tc-sequence-control T-packetSequenceControl, -- Copy from TC tc-service T-uint8, -- Copy from TC tc-subtype T-uint8, -- Copy from TC tc-packet-length-field T-uint16, -- Copy from TC received-bytes T-uint16, -- Number of received bytes tc-received-crc T-uint16, -- Copy from TC tc-calculated-crc T-uint16 -- CRC calculated from DBS } T-tcFailureCode ::= ENUMERATED { illega-apid, wrong-pkt-len, wrong-crc, ill-type, ill-subtype, wrong-source-id } TM-EXE-SUCCESS ::= TM-ACC-SUCCESS TM-EXE-FAILURE ::= SEQUENCE { tc-failure-code T-ExeFailureCode, tc-packet-id T-tc-packetID, -- Copy from TC tc-sequence-control T-packetSequenceControl, -- Copy from TC tc-service T-uint8, -- Copy from TC tc-subtype T-uint8, -- Copy from TC wrong-byte-position T-uint16, -- Position of the wrong value wrong-value T-uint16 -- Wrong value } T-ExeFailureCode ::= ENUMERATED { wrong-app-data, func-not-impl, exe-error } -- Housekeeping TM and related types, some of them are used by other TMs aswell ------------------------------------------------------------------------------- TM-DBS-HK ::= SEQUENCE { hk-report-sid T-uint8, status-byte-1 T-hk-dbs-status-byte-1, status-byte-2 T-hk-dbs-status-byte-2, status-byte-3 T-hk-dbs-status-byte-3, dbs-sw-version T-dbs-sw-version, -- TC statistics hk-dbs-exe-tc-cnt T-uint16, hk-dbs-rej-tc-cnt T-uint16, hk-dbs-last-exe-tc-id T-tc-packetID, hk-dbs-last-exe-tc-type T-uint8, hk-dbs-last-exe-tc-subtype T-uint8, hk-dbs-last-exe-tc-time T-timestamp, hk-dbs-last-rej-tc-id T-tc-packetID, hk-dbs-last-rej-type T-uint8, hk-dbs-last-rej-subtype T-uint8, hk-dbs-last-rej-tc-time T-timestamp, -- TM statistics hk-dbs-tm-cnt T-uint16, -- SC IF statistics hk-dbs-sc-packet-rec-cnt T-uint16, hk-dbs-sc-packet-send-cnt T-uint16, -- ADC values adc-values-TBD OCTET STRING (SIZE(64)), -- TBD -- error statistics hk-dbs-le-cnt T-uint16, hk-dbs-me-cnt T-uint16, hk-dbs-he-cnt T-uint16, hk-dbs-last-error-rid T-uint16, hk-dbs-last-error-code T-event-error-code, hk-dbs-last-error-time T-timestamp, -- ahb error statistic ahb-last-fail-addr T-address, -- error counters -- boot iasw errors errcnt-seg-inv-id T-uint8, errcnt-seg-inv-crc T-uint8, errcnt-seg-only-end T-uint8, errcnt-seg-inv-dest-addr T-uint8, errcnt-seg-inv-size T-uint8, errcnt-seg-copy-err T-uint8, -- time errors errcnt-time-msg-missing T-uint8, errcnt-sync-pulse-missing T-uint8, -- ahb errors errcnt-ahb-correctable T-uint8, errcnt-ahb-uncorrectable T-uint8, -- cmd exe errors errcnt-inv-apid T-uint8, errcnt-cmd-exe-not-ready T-uint8, -- sc link errors tbd T-uint8 } -- status byte-1 and related types ------------ T-hk-dbs-status-byte-1 ::= SEQUENCE { hk-dpu-mode T-dpuMode, hk-dpu-sw-active T-dpuActiveStatus, hk-dpu-watchdog-enabled BOOLEAN, hk-dpu-unit T-DpuUnit } T-dpuMode ::= ENUMERATED { dpuSafe } T-dpuActiveStatus ::= ENUMERATED { unknown(0), dbs(1), iasw(2) } T-DpuUnit ::= ENUMERATED { nominal(0), redundant(1) } -- status byte-2 and related types ------------ T-hk-dbs-status-byte-2 ::= SEQUENCE { hk-dpu-reset-type T-dpuReset, hk-time-sync T-timeSync } T-dpuReset ::= ENUMERATED { unknown-cause(0), power-on(1), tc-reset(2), watchdog(3), exception-reset(4) } T-timeSync ::= ENUMERATED { time-snchronized(0), time-unsynchronized(1) } -- status byte-3 and related types ------------ T-hk-dbs-status-byte-3 ::= SEQUENCE { hk-dpu-sc-link-enabled BOOLEAN, hk-dpu-sc-link-state T-linkState, hp-dpu-sem-link-enabled BOOLEAN, hk-dpu-sem-link-state T-semLinkState } T-linkState ::= ENUMERATED { tbd1, tbd2 } T-semLinkState ::= ENUMERATED { error-reset (0), error-wait (1), ready (2), started (3), connecting (4), run (5) } T-dbs-sw-version ::= SEQUENCE { hk-dbs-sw-version T-uint16, -- type unclear from table 45, just a simple number? hk-fpga-version T-uint8, -- dito hk-dpu-board-id T-uint8 } -- Memory related TMs ---------------------- TM-MEMORY-CHECK ::= SEQUENCE { dpu-memory-id T-dpu-memory-id, start-address T-address, -- Address to start checking from block-length T-uint32, -- Number of bytes to check crc-check T-uint16 } TM-MEMORY-DUMP ::= SEQUENCE { dpu-memory-id T-dpu-memory-id, start-address T-address, -- Address to start checking from --block-length T-uint32, set in ACN Number of bytes block-data OCTET STRING (SIZE (4..1000)) } -------------------------------------- -- Event Report TMs and related types -------------------------------------- TM-BOOT-REPORT ::= SEQUENCE { tbd BOOLEAN -- TBD in table 51 } --NOTE: The determiant option in the ACN-file requires to -- the same fields in its corresponding ENUMERATED -- as in its CHOICE-type. Therefore the ENUMERATED -- containing all event-report-ids from Table 74 was -- split up into 4 ENUMERATED (one for each report type) -- This may change in the future. --NOTE: General structure is again: Have a Meta-type for -- the service which contains a CHOICE-field with all -- possible formats for TM from this service and define -- the formats underneath -- Nominal Report and related types ------------------------------------ -- Used a choice with only one field here just -- to be consistent with the other report types TM-EVENT-PR-NOMINAL-REPORT ::= SEQUENCE { -- event-report-id set in ACN report-data T-report-data-nominal } T-report-data-nominal ::= CHOICE { pr-dbs-boot T-event-pr-dbs-boot } T-event-pr-dbs-boot ::= SEQUENCE { status-byte-1 T-hk-dbs-status-byte-1, status-byte-2 T-hk-dbs-status-byte-2, dbs-sw-version T-dbs-sw-version } -- Used in the ACN-file for determination of the packet type T-event-report-id-pr ::= ENUMERATED { pr-dbs-boot (1) } -- Anomaly report with low severity and related types ------------------------------------------------------ TM-EVENT-ANOMALY-REPORT-LOW-SEVERITY ::= SEQUENCE { -- event-report-id set in ACN event-error-code T-event-error-code, event-error-cnt T-uint8, report-data T-report-data-low-severity } T-report-data-low-severity ::= CHOICE { le-dpu-sc-link T-event-le-dpu-sc-link, le-dpu-reset T-event-le-dpu-reset, le-dpu-ahb T-event-le-dpu-ahb, le-inv-apid T-event-le-inv-apid, le-cmd-exe-not-ready T-event-le-cmd-exe-not-ready } T-event-le-dpu-sc-link ::= T-NULL T-event-le-dpu-reset ::= SEQUENCE { status-byte-1 T-hk-dbs-status-byte-1, status-byte-2 T-hk-dbs-status-byte-2 } T-event-le-dpu-ahb ::= SEQUENCE { ahb-status-register T-address, ahb-failing-addr T-address, ahb-valid-failed-addr T-address } T-event-le-inv-apid ::= SEQUENCE { tc-packet-id T-tc-packetID, tc-sequence-control T-packetSequenceControl } T-event-le-cmd-exe-not-ready ::= T-event-le-inv-apid -- Used in the ACN-file for determination of the packet type T-event-report-id-le ::= ENUMERATED { le-dpu-ahb (2), le-dpu-reset (3), le-dpu-sc-link (4), le-inv-apid (5), le-cmd-exe-not-ready (6) } -- Anomaly report with medium severity and related types -------------------------------------------------------- TM-EVENT-ANOMALY-REPORT-MEDIUM-SEVERITY ::= SEQUENCE { -- event-report-id set in ACN event-error-code T-event-error-code, event-error-cnt T-uint8, report-data T-report-data-medium-severity } T-report-data-medium-severity ::= CHOICE { me-dpu-sc-link T-event-me-dpu-sc-link, me-dpu-ahb T-event-me-dpu-ahb, me-dpu-memory T-event-me-dpu-memory } T-event-me-dpu-sc-link ::= T-NULL -- TBD T-event-me-dpu-ahb ::= T-event-le-dpu-ahb -- event report id according to table 65 is not valid according to table 74 T-event-me-dpu-memory ::= SEQUENCE { failed-address T-address, failed-value-src T-address, failed-value-dest T-address } -- Used in the ACN-filreport-ide for determination of the packet type T-event-report-id-me ::= ENUMERATED { me-dpu-memory (7), me-dpu-sc-link (8), me-dpu-ahb (11) -- does not show up in table 74!! } -- Anomaly report with high severity and related types ------------------------------------------------------ TM-EVENT-ANOMALY-REPORT-HIGH-SEVERITY ::= SEQUENCE { -- event-report-id set in ACN event-error-code T-event-error-code, event-error-cnt T-uint8, report-data T-report-data-high-severity } T-report-data-high-severity ::= CHOICE { he-dpu-reset T-event-he-dpu-reset, he-dpu-boot T-event-he-dpu-boot } T-event-he-dpu-reset ::= T-event-le-dpu-reset T-event-he-dpu-boot ::= SEQUENCE { first-seg-addr T-address, last-seg-addr T-address, seg-header-1 T-address, seg-header-2 T-address, seg-header-3 T-address } -- Used in the ACN-file for determination of the packet type T-event-report-id-he ::= ENUMERATED { he-dpu-reset (9), he-dpu-boot (10) } -- Common for all event-reports -- Each report could subconstrain this type -- to allow only the possible error-codes T-event-error-code ::= ENUMERATED { reset-required (1), reset-unexpected (2), ahb-correctable (3), ahb-uncorrectable (4), seg-inv-id (5), seg-inv-crc (6), seg-only-end (7), seg-inv-dest-addr (8), seg-inv-size (9), seg-copy-err (10), sync-pulse-missing (11), time-msg-missing (12), inv-apid (13), cmd-exe-not-ready (14), le-dpu-sc-link-TBD (15) -- TBD } END

base-types DEFINITIONS ::= BEGIN T-uint8[size 8, encoding pos-int] T-uint16[size 16, encoding pos-int] T-uint14[size 14, encoding pos-int] T-uint32[size 32, encoding pos-int] T-1000[size 32, encoding pos-int] T-dpu-memory-id [size 8, encoding pos-int] T-timestamp [] T-NULL [size 0, encoding pos-int] END

telecommand DEFINITIONS ::= BEGIN -------------------------------- -- General Telecommand structure -------------------------------- -- pustype and subtype are automtatically determined by T-tc-applicationData -- by passing it the corresponding fields from the data-field-header T-telecommand[] { packet-header [], data-field-header [] , application-data<data-field-header.service-type, data-field-header.service-subtype>[], crc [] } TC-packetHeader [] T-tc-packetID [] { ccsds-version-number NULL [pattern '000'B], -- fixed according to table 14 packet-type NULL [pattern '1'B] , -- dito has-data-fieldhdr NULL [pattern '1'B], -- dito apid [] } -- TC-Data-Field-Header and related types ------------------------------------------ T-tc-dataFieldHeader[] { ccsds-2nd-header-flag NULL [pattern '0'B], -- fixed = 0 packet-pus-version NULL [pattern '001'B], -- fixed = 001 ack-execution-completion [true-value '1'B], ack-execution-progress [true-value '1'B] , ack-execution-start [true-value '1'B] , ack-acceptance [true-value '1'B] , service-type base-types.T-uint8 [], service-subtype base-types.T-uint8 [], source-id [] } T-sourceId [size 8, encoding pos-int, encode-values] ------------------------------- -- Telecommand application data ------------------------------- -- Table which maps the pusType and subtype to the corresponding -- packet payload data T-tc-applicationData<base-types.T-uint8:pusType, base-types.T-uint8:pusSubType> [] { tc-3-27-update-hk-period [present-when pusType== 3 pusSubType== 27 ], tc-6-2-load-memory [present-when pusType== 6 pusSubType== 2 ], tc-6-5-dump-memory [present-when pusType== 6 pusSubType== 5 ], tc-6-9-check-memory [present-when pusType== 6 pusSubType== 9 ], tc-6-129-transfer-image [present-when pusType== 6 pusSubType==129 ], tc-210-3-reset-dpu [present-when pusType==210 pusSubType== 3 ], tc-210-4-enable-watchdog [present-when pusType==210 pusSubType== 4 ], tc-210-5-disable-watchdog [present-when pusType==210 pusSubType== 5 ], tc-210-6-boot-iasw [present-when pusType==210 pusSubType== 6 ], tc-197-2-report-boot [present-when pusType==197 pusSubType== 2 ] } TC-UPDATE-HK-PERIOD [] { hk-report-sid [], spare NULL [pattern '00000000'B], hk-report-period [] } TC-LOAD-MEMORY [] { dpu-memory-id [], spare NULL [pattern '00000000'B], start-address [], block-length base-types.T-1000 [], block-data [size block-length] } TC-DUMP-MEMORY [] { dpu-memory-id [], spare NULL [pattern '00000000'B], start-address [], block-length [] } TC-CHECK-MEMORY [] TC-TRANSFER-IMAGE [] TC-BOOT-IASW [] { iasw-image-memory-id [], spare NULL [pattern '00000000'B], iasw-image-address [], iasw-start-address [] } END

telemetry DEFINITIONS ::= BEGIN ------------------------------ -- General Telemetry structure ------------------------------ T-telemetry[] { packet-header [], data-field-header [], application-data<data-field-header.service-type, data-field-header.service-subtype>[], crc [] } -- TM-Header and related types ------------------------------ TM-packetHeader [] T-tm-packetID[] { version-number NULL [pattern '000'B], packet-type NULL [pattern '0'B] , has-data-fieldhdr NULL [pattern '1'B], apid [] } -- TM-Data-Field-Header and related types ------------------------------------------ T-tm-dataFieldHeader [] { spare1 NULL [pattern '0'B], packet-pus-version NULL [pattern '001'B], spare2 NULL [pattern '0000'B], service-type base-types.T-uint8 [], service-subtype base-types.T-uint8 [], destination-id [], time [] } T-destinationId [size 8, encoding pos-int, encode-values] ------------------------------- -- Telemetry application data ------------------------------- T-tm-applicationData<base-types.T-uint8:pusType, base-types.T-uint8:pusSubType> [] { tm-1-1-acc-sucess [present-when pusType== 1 pusSubType== 1], tm-1-2-acc-failure [present-when pusType== 1 pusSubType== 2], tm-1-7-exe-success [present-when pusType== 1 pusSubType== 7], tm-1-8-exe-failure [present-when pusType== 1 pusSubType== 8], tm-3-25-hk [present-when pusType== 3 pusSubType== 25], tm-6-10-memory-check [present-when pusType== 6 pusSubType== 10], tm-6-6-memory-dump [present-when pusType== 6 pusSubType== 6], tm-197-1-boot-report [present-when pusType==197 pusSubType== 1], tm-5-1-event-pr-nominal [present-when pusType== 5 pusSubType== 1], tm-5-2-event-low-severity [present-when pusType== 5 pusSubType== 2], tm-5-3-event-medium-severity [present-when pusType== 5 pusSubType== 3], tm-5-4-event-high-severity [present-when pusType== 5 pusSubType== 4] } -- TMs of pusservice 1 and related types ---------------------------------------- TM-ACC-SUCCESS [] TM-ACC-FAILURE [] T-tcFailureCode [size 16, encoding pos-int, encode-values] TM-EXE-SUCCESS [] TM-EXE-FAILURE [] T-ExeFailureCode [size 16, encoding pos-int, encode-values] -- Housekeeping TM and related types, some of them are used by other TMs aswell ------------------------------------------------------------------------------- TM-DBS-HK [] -- status byte-1 and related types ------------ T-hk-dbs-status-byte-1 [] T-dpuMode [size 4, encoding pos-int, encode-values] T-dpuActiveStatus [size 2, encoding pos-int, encode-values] T-DpuUnit[size 1, encoding pos-int, encode-values] -- status byte-2 and related types ------------ T-hk-dbs-status-byte-2 [] { hk-dpu-reset-type [], hk-time-sync [], spare NULL [pattern '0000'B] } T-dpuReset [size 3, encoding pos-int, encode-values] T-timeSync [size 1, encoding pos-int, encode-values] -- status byte-3 and related types ------------ T-hk-dbs-status-byte-3 [] { hk-dpu-sc-link-enabled [true-value '1'B], hk-dpu-sc-link-state [], hp-dpu-sem-link-enabled [true-value '1'B], hk-dpu-sem-link-state [] } T-linkState [size 3, encoding pos-int, encode-values] T-semLinkState [size 3, encoding pos-int, encode-values] T-dbs-sw-version [] -- Memory related TMs ---------------------- TM-MEMORY-CHECK [] { dpu-memory-id [], spare NULL [pattern '00000000'B], start-address [], block-length [], crc-check [] } TM-MEMORY-DUMP [] { dpu-memory-id [], spare NULL [pattern '00000000'B], start-address [], block-length base-types.T-uint32 [], block-data [size block-length] } -------------------------------------- -- Event Report TMs and related types -------------------------------------- TM-BOOT-REPORT [] -- Nominal Report and related types ------------------------------------ TM-EVENT-PR-NOMINAL-REPORT [] { event-report-id T-event-report-id-pr [], report-data <event-report-id>[] } T-report-data-nominal<T-event-report-id-pr:id> [determinant id] T-event-pr-dbs-boot [] T-event-report-id-pr [size 16, encoding pos-int, encode-values] -- Anomaly report with low severity and related types ------------------------------------------------------ TM-EVENT-ANOMALY-REPORT-LOW-SEVERITY [] { event-report-id T-event-report-id-le [], event-error-code [], event-error-cnt [], report-data <event-report-id>[] } T-report-data-low-severity<T-event-report-id-le:id> [determinant id] T-event-le-dpu-sc-link [] T-event-le-dpu-reset [] T-event-le-dpu-ahb [] T-event-le-inv-apid [] T-event-le-cmd-exe-not-ready [] T-event-report-id-le [size 16, encoding pos-int, encode-values] -- Anomaly report with medium severity and related types -------------------------------------------------------- TM-EVENT-ANOMALY-REPORT-MEDIUM-SEVERITY [] { event-report-id T-event-report-id-me [], event-error-code [], event-error-cnt [], report-data <event-report-id>[] } T-report-data-medium-severity<T-event-report-id-me:id> [determinant id] T-event-me-dpu-sc-link [] T-event-me-dpu-ahb [] T-event-me-dpu-memory [] T-event-report-id-me [size 16, encoding pos-int, encode-values] -- Anomaly report with high severity and related types ------------------------------------------------------ TM-EVENT-ANOMALY-REPORT-HIGH-SEVERITY [] { event-report-id T-event-report-id-he [], event-error-code [], event-error-cnt [], report-data <event-report-id>[] } T-report-data-high-severity<T-event-report-id-he:id> [determinant id] T-event-he-dpu-reset [] T-event-he-dpu-boot [] T-event-report-id-he [size 16, encoding pos-int, encode-values] -- Common for all event-reports T-event-error-code [size 8, encoding pos-int, encode-values] END