{ "name": "遥控帧", "type": "pkt", "children": [ { "name": "主导头", "code": "primaryHeader", "length": 40, "type": "combPkt", "children": [ { "name": "版本号", "code": "versionNumber", "length": 2, "value": "{{版本号}}", "type": "const" }, { "name": "通过标志", "code": "passFlag", "length": 1, "type": "const", "value": "{{通过标志}}" }, { "name": "控制命令标志", "code": "controlCommandFlag", "length": 1, "value": "{{控制命令标志}}", "type": "const" }, { "name": "空闲位", "code": "idleBits", "length": 2, "value": "{{空闲位}}", "type": "const" }, { "name": "航天器标识", "code": "staID", "length": 10, "value": "{{航天器标识}}", "type": "const" }, { "name": "虚拟信道标识", "code": "vcid", "length": 6, "type": "enum", "enums": "{{虚拟信道标识}}" }, { "name": "帧长", "code": "frameLength", "length": 10, "type": "length", "value": {"start": "START", "end": "END", "formula": "N-1"} }, { "name": "帧序列号", "code": "frameSequenceNumber", "length": 8, "type": "const", "value": "0" } ] }, { "name": "传送帧数据域", "code": "dataField", "length": 8136, "type": "subPkt" }, { "name": "帧差错控制域", "code": "frameCRC", "length": 16, "type": "checkSum" } ], "subPkts": [] }