"Configures Active Event Handlers For a Mode" (APP/LPA)

ITOS Mnemonic:  LPACONFIGURE

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Configures LPA to activate a specified set of event handlers for each of 8 possible modes. Each of the 8 handler masks corresponds to a mode. A set bit in any of the 8 masks will configure LPA to activate the handler corresponding to that bit position upon entering the appropriate mode. The cfg parameter is unused.

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Configures Active Event Handlers For a Mode (Configure) Telecommand Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=1	SH	APID=0x674:0
002	SF=3		Sequence Count
004	Packet Length=47
006	0	Function Code=0
008	DB_ID db
00C	CFG_ID cfg
010	CPU_MSK cpus
014	EVH_MSK handlers[0]
018	EVH_MSK handlers[1]
01C	EVH_MSK handlers[2]
020	EVH_MSK handlers[3]
024	EVH_MSK handlers[4]
028	EVH_MSK handlers[5]
02C	EVH_MSK handlers[6]
030	EVH_MSK handlers[7]
034	Packet Checksum

Configure (pkt)
|  DB_ID db (fld)
|  CFG_ID cfg (fld)
|  CPU_MSK cpus (fld)
|  EVH_MSK handlers[0-7] (fld)

typedef struct _LPA_Configure_Pkt {

    /* CCSDS header */
    char                 hdr[8];

    /* Command payload */
    LPA_Configure_Prm    pay;

} LPA_Configure_Pkt;

Fields:

CFG_ID (index)

Attribute(s):  

Brief:  "LPA Configuration ID"

Instance(s):  cfg

Value that binds a set of event handler configurations to a single unique identifier.

CPU_MSK (index)

Attribute(s):  

Brief:  "CPU Mask"

Instance(s):  cpus

Mask of logical IDs for target CPUs.

DB_ID (index)

Attribute(s):  

Brief:  "LPA_DB Instance ID"

Instance(s):  db

Specifies the numerical ID of an LPA configuration database instance. Each instance is generally associated with a distinct LPA category, such as norma or diagnostics.

EVH_MSK (index)

Attribute(s):  

Brief:  "Event Handler Mask"

Instance(s):  handlers

Mask of event handler IDs as specified in a LPA_DB instance.