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| {
| "name": "遥控包",
| "type": "pkt",
| "children": [
| {
| "name": "主导头",
| "code": "primaryHeader",
| "length": 48,
| "type": "combPkt",
| "children": [
| {
| "name": "包识别",
| "code": "packetIdentifier",
| "length": 16,
| "type": "combPkt",
| "children": [
| {
| "name": "包版本号",
| "code": "packetVersionNumber",
| "length": 3,
| "value": "{{包版本号}}",
| "type": "const"
| },
| {
| "name": "包类型",
| "code": "packetType",
| "length": 1,
| "value": "{{包类型}}",
| "type": "const"
| },
| {
| "name": "数据区头标志",
| "code": "dataFieldHeaderFlag",
| "length": 1,
| "value": "{{数据区头标志}}",
| "type": "const"
| },
| {
| "name": "应用过程标识符",
| "code": "apid",
| "length": 11,
| "value": "{{应用过程标识符}}",
| "type": "const"
| }
| ]
| },
| {
| "name": "包序列控制",
| "code": "sequenceControl",
| "length": 16,
| "type": "combPkt",
| "children": [
| {
| "name": "序列标志",
| "code": "sequenceFlags",
| "length": 2,
| "value": "{{序列标志}}",
| "type": "const"
| },
| {
| "name": "包序列计数",
| "code": "packetSequenceCount",
| "length": 14,
| "type": "pktSeqCnt",
| "value": "0"
| }
| ]
| },
| {
| "name": "包长",
| "code": "packetLength",
| "length": 16,
| "type": "length",
| "value": {
| "start": "secondaryHeader",
| "end": "data",
| "formula": "N-1"
| }
| }
| ]
| },
| {
| "name": "副导头",
| "code": "secondaryHeader",
| "length": 8,
| "type": "combPkt",
| "children": [
| {
| "name": "副导头标志",
| "code": "ccsdsSecondaryHeaderFlag",
| "length": 1,
| "value": "{{副导头标志}}",
| "type": "const"
| },
| {
| "name": "遥控包版本号",
| "code": "tcPktVersionNumber",
| "length": 3,
| "value": "{{遥控包版本号}}",
| "type": "const"
| },
| {
| "name": "命令正确应答",
| "code": "acknowledgmentFlag",
| "length": 4,
| "type": "const",
| "value": "{{命令正确应答}}"
| },
| {
| "name": "服务类型",
| "code": "serviceType",
| "length": 8,
| "type": "const",
| "value": "{{服务类型}}"
| },
| {
| "name": "服务子类型",
| "code": "serviceSubtype",
| "length": 8,
| "type": "const",
| "value": "{{服务子类型}}"
| },
| {
| "name": "源地址",
| "code": "sourceAddr",
| "length": 8,
| "value": "{{源地址}}",
| "type": "const"
| }
| ]
| },
| {
| "name": "应用数据区",
| "code": "data",
| "length": null,
| "type": "insUnitList",
| "children": []
| },
| {
| "name": "包差错控制域",
| "code": "pktCheckSum",
| "length": 16,
| "type": "checkSum",
| "value": {"start": "START", "end": "PREV", "type": "ISOSum"}
| }
| ],
| "subPkts": []
| }
|
|
