@signalk/nmea0183-signalk
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A node.js/javascript parser for NMEA0183 sentences. Sentences are parsed to Signal K format.
52 lines • 1.78 kB
JavaScript
;
/**
* Copyright 2016 Signal K <info@signalk.org> and contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
/*
56 M1 DD YY Date: YY year, M month, DD day in month
*/
const S56 = function (input, session) {
const { parts, tags } = input;
const M = (parseInt(parts[1], 16) & 0xf0) >> 4;
const DD = parseInt(parts[2], 16);
const YY = parseInt(parts[3], 16);
const year = 2000 + YY;
const month = M;
const day = DD;
session['date'] = { year, month, day };
const pathValues = [];
const dateEntry = session['date'];
const timeEntry = session['time'];
if (dateEntry && timeEntry) {
const d = new Date(Date.UTC(dateEntry.year, dateEntry.month - 1, dateEntry.day, timeEntry.hour, timeEntry.minute, timeEntry.second, timeEntry.milliSecond));
const ts = d.toISOString();
pathValues.push({
path: 'navigation.datetime',
value: ts
});
}
return {
updates: [
{
source: tags.source,
timestamp: tags.timestamp,
values: pathValues
}
]
};
};
exports.default = S56;
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