docs/assets/js/72c6d8a8.5815b047.js from OpenC3/cosmos

docs/assets/js/72c6d8a8.5815b047.js
Summary

Maintainability

0 mins
Test Coverage

Issues
"use strict";(self.webpackChunkdocs_openc3_com=self.webpackChunkdocs_openc3_com||[]).push([[1524],{4785:(e,r,n)=>{n.r(r),n.d(r,{assets:()=>l,contentTitle:()=>d,default:()=>o,frontMatter:()=>i,metadata:()=>a,toc:()=>h});var s=n(4848),t=n(8453);const i={sidebar_position:4,title:"Commands"},d=void 0,a={id:"configuration/command",title:"Commands",description:"Command Definition Files",source:"@site/docs/configuration/command.md",sourceDirName:"configuration",slug:"/configuration/command",permalink:"/docs/configuration/command",draft:!1,unlisted:!1,editUrl:"https://github.com/OpenC3/cosmos/tree/main/docs.openc3.com/docs/configuration/command.md",tags:[],version:"current",sidebarPosition:4,frontMatter:{sidebar_position:4,title:"Commands"},sidebar:"defaultSidebar",previous:{title:"Targets",permalink:"/docs/configuration/target"},next:{title:"Telemetry",permalink:"/docs/configuration/telemetry"}},l={},h=[{value:"Command Definition Files",id:"command-definition-files",level:2},{value:"COMMAND",id:"command",level:2},{value:"COMMAND Modifiers",id:"command-modifiers",level:2},{value:"PARAMETER",id:"parameter",level:3},{value:"PARAMETER Modifiers",id:"parameter-modifiers",level:3},{value:"FORMAT_STRING",id:"format_string",level:4},{value:"UNITS",id:"units",level:4},{value:"DESCRIPTION",id:"description",level:4},{value:"META",id:"meta",level:4},{value:"OVERLAP",id:"overlap",level:4},{value:"KEY",id:"key",level:4},{value:"VARIABLE_BIT_SIZE",id:"variable_bit_size",level:4},{value:"REQUIRED",id:"required",level:4},{value:"MINIMUM_VALUE",id:"minimum_value",level:4},{value:"MAXIMUM_VALUE",id:"maximum_value",level:4},{value:"DEFAULT_VALUE",id:"default_value",level:4},{value:"STATE",id:"state",level:4},{value:"WRITE_CONVERSION",id:"write_conversion",level:4},{value:"POLY_WRITE_CONVERSION",id:"poly_write_conversion",level:4},{value:"SEG_POLY_WRITE_CONVERSION",id:"seg_poly_write_conversion",level:4},{value:"GENERIC_WRITE_CONVERSION_START",id:"generic_write_conversion_start",level:4},{value:"GENERIC_WRITE_CONVERSION_END",id:"generic_write_conversion_end",level:4},{value:"OVERFLOW",id:"overflow",level:4},{value:"APPEND_PARAMETER",id:"append_parameter",level:3},{value:"ID_PARAMETER",id:"id_parameter",level:3},{value:"APPEND_ID_PARAMETER",id:"append_id_parameter",level:3},{value:"ARRAY_PARAMETER",id:"array_parameter",level:3},{value:"APPEND_ARRAY_PARAMETER",id:"append_array_parameter",level:3},{value:"SELECT_PARAMETER",id:"select_parameter",level:3},{value:"DELETE_PARAMETER",id:"delete_parameter",level:3},{value:"HIDDEN",id:"hidden",level:3},{value:"DISABLED",id:"disabled",level:3},{value:"DISABLE_MESSAGES",id:"disable_messages",level:3},{value:"META",id:"meta-1",level:3},{value:"HAZARDOUS",id:"hazardous",level:3},{value:"ACCESSOR",id:"accessor",level:3},{value:"TEMPLATE",id:"template",level:3},{value:"TEMPLATE_FILE",id:"template_file",level:3},{value:"RESPONSE",id:"response",level:3},{value:"ERROR_RESPONSE",id:"error_response",level:3},{value:"RELATED_ITEM",id:"related_item",level:3},{value:"SCREEN",id:"screen",level:3},{value:"VIRTUAL",id:"virtual",level:3},{value:"VALIDATOR",id:"validator",level:3},{value:"SELECT_COMMAND",id:"select_command",level:2},{value:"Example File",id:"example-file",level:2}];function c(e){const r={a:"a",admonition:"admonition",code:"code",h1:"h1",h2:"h2",h3:"h3",h4:"h4",p:"p",pre:"pre",strong:"strong",table:"table",tbody:"tbody",td:"td",th:"th",thead:"thead",tr:"tr",...(0,t.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsx)(r.h2,{id:"command-definition-files",children:"Command Definition Files"}),"\n",(0,s.jsxs)(r.p,{children:["Command definition files define the command packets that can be sent to COSMOS targets. One large file can be used to define the command packets, or multiple files can be used at the user's discretion. Command definition files are placed in the target's cmd_tlm directory and are processed alphabetically. Therefore if you have some command files that depend on others, e.g. they override or extend existing commands, they must be named last. The easiest way to do this is to add an extension to an existing file name. For example, if you already have cmd.txt you can create cmd_override.txt for commands that depends on the definitions in cmd.txt. Also note that due to the way the ",(0,s.jsx)(r.a,{href:"http://www.asciitable.com/",children:"ASCII Table"})," is structured, files beginning with capital letters are processed before lower case letters."]}),"\n",(0,s.jsx)(r.p,{children:"When defining command parameters you can choose from the following data types: INT, UINT, FLOAT, STRING, BLOCK. These correspond to integers, unsigned integers, floating point numbers, strings and binary blocks of data. The only difference between a STRING and BLOCK is when COSMOS reads the binary command log it stops reading a STRING type when it encounters a null byte (0). This shows up in the text log produced by Data Extractor. Note that this does NOT affect the data COSMOS writes as it's still legal to pass null bytes (0) in STRING parameters."}),"\n",(0,s.jsx)("div",{style:{clear:"both"}}),"\n",(0,s.jsx)(r.h1,{id:"command-keywords",children:"Command Keywords"}),"\n",(0,s.jsx)(r.h2,{id:"command",children:"COMMAND"}),"\n",(0,s.jsx)(r.p,{children:(0,s.jsx)(r.strong,{children:"Defines a new command packet"})}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Target"}),(0,s.jsx)(r.td,{children:"Name of the target this command is associated with"}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Command"}),(0,s.jsx)(r.td,{children:"Name of this command. Also referred to as its mnemonic. Must be unique to commands to this target. 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If Bit Offset is 0 and Bit Size is 0 then this is a derived parameter and the Data Type must be set to 'DERIVED'."}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Data Type"}),(0,s.jsxs)(r.td,{children:["Data Type of this parameter",(0,s.jsx)("br",{}),(0,s.jsx)("br",{}),"Valid Values: ",(0,s.jsx)("span",{class:"values",children:"INT, UINT, FLOAT, DERIVED, STRING, BLOCK"})]}),(0,s.jsx)(r.td,{children:"True"})]})]})]}),"\n",(0,s.jsx)(r.p,{children:"When Data Type is INT, UINT, FLOAT, DERIVED the remaining parameters are:"}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Minimum Value"}),(0,s.jsx)(r.td,{children:"Minimum allowed value for this parameter"}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Maximum Value"}),(0,s.jsx)(r.td,{children:"Maximum allowed value for this parameter"}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Default Value"}),(0,s.jsx)(r.td,{children:"Default value for this parameter. You must provide a default but if you mark the parameter REQUIRED then scripts will be forced to specify a value."}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Description"}),(0,s.jsx)(r.td,{children:"Description for this parameter which must be enclosed with quotes"}),(0,s.jsx)(r.td,{children:"False"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Endianness"}),(0,s.jsxs)(r.td,{children:["Indicates if the data in this command is to be sent in Big Endian or Little Endian format. See guide on ",(0,s.jsx)(r.a,{href:"/docs/guides/little-endian-bitfields",children:"Little Endian Bitfields"}),".",(0,s.jsx)("br",{}),(0,s.jsx)("br",{}),"Valid Values: ",(0,s.jsx)("span",{class:"values",children:"BIG_ENDIAN, LITTLE_ENDIAN"})]}),(0,s.jsx)(r.td,{children:"False"})]})]})]}),"\n",(0,s.jsx)(r.p,{children:"When Data Type is STRING, BLOCK the remaining parameters are:"}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Default Value"}),(0,s.jsx)(r.td,{children:"Default value for this parameter. 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Laser will be fired!"\n'})}),"\n",(0,s.jsx)(r.h4,{id:"write_conversion",children:"WRITE_CONVERSION"}),"\n",(0,s.jsx)(r.p,{children:(0,s.jsx)(r.strong,{children:"Applies a conversion when writing the current command parameter"})}),"\n",(0,s.jsxs)(r.p,{children:["Conversions are implemented in a custom Ruby or Python file which should be\nlocated in the target's lib folder. The class must inherit from Conversion.\nIt must implement the ",(0,s.jsx)(r.code,{children:"initialize"})," (Ruby) or ",(0,s.jsx)(r.code,{children:"__init__"})," (Python) method if it\ntakes extra parameters and must always implement the ",(0,s.jsx)(r.code,{children:"call"})," method. The conversion\nfactor is applied to the value entered by the user before it is written into\nthe binary command packet and sent."]}),"\n",(0,s.jsx)(r.admonition,{title:"Multiple write conversions on command parameters",type:"info",children:(0,s.jsx)(r.p,{children:"When a command is built, each item gets written (and write conversions are run)\nto set the default value. Then items are written (again write conversions are run)\nwith user provided values. Thus write conversions can be run twice. Also there are\nno guarantees which parameters have already been written. The packet itself has a\ngiven_values() method which can be used to retrieve a hash of the user provided\nvalues to the command. That can be used to check parameter values passed in."})}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Class Filename"}),(0,s.jsx)(r.td,{children:"The filename which contains the Ruby or Python class. The filename must be named after the class such that the class is a CamelCase version of the underscored filename. 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The conversion is specified\nas Ruby or Python code that receives two implied parameters. 'value' which is the raw\nvalue being written and 'packet' which is a reference to the command packet\nclass (Note, referencing the packet as 'myself' is still supported for backwards\ncompatibility). The last line of code should return the converted\nvalue. The GENERIC_WRITE_CONVERSION_END keyword specifies that all lines of\ncode for the conversion have been given."}),"\n",(0,s.jsx)(r.admonition,{title:"Multiple write conversions on command parameters",type:"info",children:(0,s.jsx)(r.p,{children:"When a command is built, each item gets written (and write conversions are run)\nto set the default value. Then items are written (again write conversions are run)\nwith user provided values. Thus write conversions can be run twice. Also there are\nno guarantees which parameters have already been written. The packet itself has a\ngiven_values() method which can be used to retrieve a hash of the user provided\nvalues to the command. That can be used to check parameter values passed in."})}),"\n",(0,s.jsx)(r.admonition,{type:"warning",children:(0,s.jsx)(r.p,{children:"Generic conversions are not a good long term solution. Consider creating a conversion class and using WRITE_CONVERSION instead. 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A command packet may have one or more ID_PARAMETERs and all must match the binary data for the command to be identified."}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Name"}),(0,s.jsx)(r.td,{children:"Name of the parameter. Must be unique within the command."}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Bit Size"}),(0,s.jsx)(r.td,{children:"Bit size of this parameter. Zero or Negative values may be used to indicate that a string fills the packet up to the offset from the end of the packet specified by this value. 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Must be UTF-8 encoded."}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsx)(r.tbody,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Template"}),(0,s.jsx)(r.td,{children:"The template string which should be enclosed in quotes"}),(0,s.jsx)(r.td,{children:"True"})]})})]}),"\n",(0,s.jsx)(r.h3,{id:"template_file",children:"TEMPLATE_FILE"}),"\n",(0,s.jsxs)(r.p,{children:[(0,s.jsx)("div",{class:"right",children:"(Since 5.0.10)"}),(0,s.jsx)(r.strong,{children:"Defines a template file used to initialize the command before default values are filled in"})]}),"\n",(0,s.jsx)(r.p,{children:"Generally the template file is formatted in JSON or HTML and then values are filled in with command parameters. 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Must be used in conjunction with SELECT_PARAMETER to change an individual parameter."}),"\n",(0,s.jsxs)(r.table,{children:[(0,s.jsx)(r.thead,{children:(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.th,{children:"Parameter"}),(0,s.jsx)(r.th,{children:"Description"}),(0,s.jsx)(r.th,{children:"Required"})]})}),(0,s.jsxs)(r.tbody,{children:[(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Target Name"}),(0,s.jsx)(r.td,{children:"Name of the target this command is associated with"}),(0,s.jsx)(r.td,{children:"True"})]}),(0,s.jsxs)(r.tr,{children:[(0,s.jsx)(r.td,{children:"Command Name"}),(0,s.jsx)(r.td,{children:"Name of the command to select"}),(0,s.jsx)(r.td,{children:"True"})]})]})]}),"\n",(0,s.jsx)(r.p,{children:"Example Usage:"}),"\n",(0,s.jsx)(r.pre,{children:(0,s.jsx)(r.code,{className:"language-ruby",children:"SELECT_COMMAND INST COLLECT\n  SELECT_PARAMETER DURATION\n    # Add units\n    UNITS Seconds S\n"})}),"\n",(0,s.jsx)(r.h2,{id:"example-file",children:"Example File"}),"\n",(0,s.jsx)(r.p,{children:(0,s.jsx)(r.strong,{children:"Example File: TARGET/cmd_tlm/cmd.txt"})}),"\n",(0,s.jsx)(r.pre,{children:(0,s.jsx)(r.code,{className:"language-ruby",children:'COMMAND TARGET COLLECT_DATA BIG_ENDIAN "Commands my target to collect data"\n  PARAMETER CCSDSVER 0 3 UINT 0 0 0 "CCSDS PRIMARY HEADER VERSION NUMBER"\n  PARAMETER CCSDSTYPE 3 1 UINT 1 1 1 "CCSDS PRIMARY HEADER PACKET TYPE"\n  PARAMETER CCSDSSHF 4 1 UINT 0 0 0 "CCSDS PRIMARY HEADER SECONDARY HEADER FLAG"\n  ID_PARAMETER CCSDSAPID 5 11 UINT 0 2047 100 "CCSDS PRIMARY HEADER APPLICATION ID"\n  PARAMETER CCSDSSEQFLAGS 16 2 UINT 3 3 3 "CCSDS PRIMARY HEADER SEQUENCE FLAGS"\n  PARAMETER CCSDSSEQCNT 18 14 UINT 0 16383 0 "CCSDS PRIMARY HEADER SEQUENCE COUNT"\n  PARAMETER CCSDSLENGTH 32 16 UINT 4 4 4 "CCSDS PRIMARY HEADER PACKET LENGTH"\n  PARAMETER ANGLE 48 32 FLOAT -180.0 180.0 0.0 "ANGLE OF INSTRUMENT IN DEGREES"\n    POLY_WRITE_CONVERSION 0 0.01745 0 0\n  PARAMETER MODE 80 8 UINT 0 1 0 "DATA COLLECTION MODE"\n    STATE NORMAL 0\n    STATE DIAG 1\nCOMMAND TARGET NOOP BIG_ENDIAN "Do Nothing"\n  PARAMETER CCSDSVER 0 3 UINT 0 0 0 "CCSDS PRIMARY HEADER VERSION NUMBER"\n  PARAMETER CCSDSTYPE 3 1 UINT 1 1 1 "CCSDS PRIMARY HEADER PACKET TYPE"\n  PARAMETER CCSDSSHF 4 1 UINT 0 0 0 "CCSDS PRIMARY HEADER SECONDARY HEADER FLAG"\n  ID_PARAMETER CCSDSAPID 5 11 UINT 0 2047 101 "CCSDS PRIMARY HEADER APPLICATION ID"\n  PARAMETER CCSDSSEQFLAGS 16 2 UINT 3 3 3 "CCSDS PRIMARY HEADER SEQUENCE FLAGS"\n  PARAMETER CCSDSSEQCNT 18 14 UINT 0 16383 0 "CCSDS PRIMARY HEADER SEQUENCE COUNT"\n  PARAMETER CCSDSLENGTH 32 16 UINT 0 0 0 "CCSDS PRIMARY HEADER PACKET LENGTH"\n  PARAMETER DUMMY 48 8 UINT 0 0 0 "DUMMY PARAMETER BECAUSE CCSDS REQUIRES 1 BYTE OF DATA"\nCOMMAND TARGET SETTINGS BIG_ENDIAN "Set the Settings"\n  PARAMETER CCSDSVER 0 3 UINT 0 0 0 "CCSDS PRIMARY HEADER VERSION NUMBER"\n  PARAMETER CCSDSTYPE 3 1 UINT 1 1 1 "CCSDS PRIMARY HEADER PACKET TYPE"\n  PARAMETER CCSDSSHF 4 1 UINT 0 0 0 "CCSDS PRIMARY HEADER SECONDARY HEADER FLAG"\n  ID_PARAMETER CCSDSAPID 5 11 UINT 0 2047 102 "CCSDS PRIMARY HEADER APPLICATION ID"\n  PARAMETER CCSDSSEQFLAGS 16 2 UINT 3 3 3 "CCSDS PRIMARY HEADER SEQUENCE FLAGS"\n  PARAMETER CCSDSSEQCNT 18 14 UINT 0 16383 0 "CCSDS PRIMARY HEADER SEQUENCE COUNT"\n  PARAMETER CCSDSLENGTH 32 16 UINT 0 0 0 "CCSDS PRIMARY HEADER PACKET LENGTH"\n  <% 5.times do |x| %>\n  APPEND_PARAMETER SETTING<%= x %> 16 UINT 0 5 0 "Setting <%= x %>"\n  <% end %>\n'})})]})}function o(e={}){const{wrapper:r}={...(0,t.R)(),...e.components};return r?(0,s.jsx)(r,{...e,children:(0,s.jsx)(c,{...e})}):c(e)}},8453:(e,r,n)=>{n.d(r,{R:()=>d,x:()=>a});var s=n(6540);const t={},i=s.createContext(t);function d(e){const r=s.useContext(i);return s.useMemo((function(){return"function"==typeof e?e(r):{...r,...e}}),[r,e])}function a(e){let r;return r=e.disableParentContext?"function"==typeof e.components?e.components(t):e.components||t:d(e.components),s.createElement(i.Provider,{value:r},e.children)}}}]);