b0a1993169
NMEA-0183 语句解析器，含 21 个语句类型 codec 与配套单元测试。 - codecs/：APB/BWC/DBT/GGA/GLL/GRMT/GSA/GSV/HDG/HDM/HDT/MWV/RDID/ RMB/RMC/ROT/RSA/TXT/VTG/VWR/ZDA - test/：各 codec 对应的 mocha 用例 - .github/workflows/：node与 npm-publish 流水线 许可证：MIT（原作者 James Penn）
39 lines
972 B
JavaScript
39 lines
972 B
JavaScript
var helpers = require("../helpers.js")
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/*
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=== VWR Relative Wind Speed and Angle ===
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Note: This is no longer a sentence that is recommended by the NMEA 0183 Standard Committee
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for new designs, however it does exist in a lot of equipment.
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------------------------------------------------------------------------------
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1 2 3 4 5 6 7 8 9
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$--VWR,x.x,a,x.x,N,x.x,M,x.x,K*hh
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------------------------------------------------------------------------------
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Field Number:
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1) Wind direction magnitude in degrees
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2) Wind direction Left/Right of bow
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3) Speed
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4) N
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5) Speed
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6) M = Meters Per Second
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7) Speed
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8) K = Kilometers Per Hour
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9) Checksum
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*/
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exports.TYPE = 'wind-relative';
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exports.ID = 'VWR';
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exports.decode = function(fields) {
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return {
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sentence: exports.ID,
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type: exports.TYPE,
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angle: +fields[1],
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direction: fields[2],
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speedKnots: +fields[3],
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speedMs: +fields[5],
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speedKmph: +fields[7]
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}
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} |