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）
23 lines
609 B
JavaScript
23 lines
609 B
JavaScript
exports.ID = 'GSV';
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exports.TYPE = 'satellite-list-partial';
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exports.decode = function(fields) {
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// $GPGSV,3,1,12, 05,58,322,36, 02,55,032,, 26,50,173,, 04,31,085,
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var numRecords = (fields.length - 4) / 4,
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sats = [];
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for (var i=0; i < numRecords; i++) {
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var offset = i * 4 + 4;
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sats.push({id: fields[offset],
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elevationDeg: +fields[offset+1],
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azimuthTrue: +fields[offset+2],
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SNRdB: +fields[offset+3]});
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};
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return {
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sentence: exports.ID,
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type: exports.TYPE,
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numMsgs: +fields[1],
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msgNum: +fields[2],
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satsInView: +fields[3],
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satellites: sats
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};
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} |