46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
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var helpers = require("../helpers.js")
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/*
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ZDA Time & Date – UTC, Day, Month, Year and Local Time Zone
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1 2 3 4 5 6 7
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$--ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh
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1) Local zone minutes description, same sign as local hours
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2) Local zone description, 00 to +/- 13 hours
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3) Year
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4) Month, 01 to 12
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5) Day, 01 to 31
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6) Time (UTC)
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7) Checksum
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*/
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exports.ID = 'ZDA';
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exports.TYPE = 'time-zone';
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exports.decode = function(fields) {
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return {
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sentence: exports.ID,
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type: exports.TYPE,
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timestamp: fields[1],
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day: fields[2],
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month: fields[3],
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year: fields[4],
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ltzh: fields[5],
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ltzn: fields[6]
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};
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}
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exports.encode = function (talker, msg) {
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var result = ['$' + talker + exports.ID];
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var { date } = msg
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result.push(helpers.padLeft(date.getHours().toString(), 2, '0') + helpers.padLeft(date.getMinutes().toString(), 2, '0') + helpers.padLeft(date.getSeconds().toString(), 2, '0') + '.000');
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result.push(helpers.padLeft(date.getDate().toString(), 2, '0'));
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result.push(helpers.padLeft((date.getMonth() + 1).toString(), 2, '0'));
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result.push(date.getFullYear().toString());
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result.push('00');
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result.push('00');
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var resultMsg = result.join(',');
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return resultMsg + helpers.computeChecksum(resultMsg);
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}
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