@signalk/nmea0183-signalk
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A node.js/javascript parser for NMEA0183 sentences. Sentences are parsed to Signal K format.
115 lines • 4.56 kB
JavaScript
;
/**
* Copyright 2019 Signal K and Fabian Tollenaar <fabian@decipher.industries>.
*
* 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.
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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o[k2] = m[k];
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
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o["default"] = v;
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var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const utils = __importStar(require("@signalk/nmea0183-utilities"));
const debug_1 = __importDefault(require("debug"));
const debug = (0, debug_1.default)('signalk-parser-nmea0183/BOD');
/**
* $GPBOD,045.,T,023.,M,DEST,START*01
*
* Bearing - origin to destination waypoint (BOD)
*
* 0) 045. bearing 045 True from "START" to "DEST"
* 1) T, True
* 2) 023. bearing 023 Magnetic from "START" to "DEST"
* 3) M Magnetic
* 4) DEST destination waypoint ID
* 5) START origin waypoint ID
**/
const BOD = function (input, _session) {
const { id, sentence, parts, tags } = input;
const upper = (str) => str.trim().toUpperCase();
debug(`[BODHook] decoding sentence ${id} => ${sentence}`);
if (upper(parts[0]) === '' ||
upper(parts[1]) === '' ||
upper(parts[2]) === '' ||
upper(parts[3]) === '' ||
upper(parts[4]) === '') {
return null;
}
const bearingOriginToDestination = {};
bearingOriginToDestination[upper(parts[1]) === 'T' ? 'True' : 'Magnetic'] =
utils.transform(parts[0], 'deg', 'rad');
bearingOriginToDestination[upper(parts[3]) === 'T' ? 'True' : 'Magnetic'] =
utils.transform(parts[2], 'deg', 'rad');
const destinationWaypointID = parts[4].trim();
const originWaypointID = parts[5].trim();
return {
updates: [
{
source: tags.source,
timestamp: tags.timestamp,
values: [
{
path: 'navigation.courseRhumbline.bearingTrackTrue',
value: bearingOriginToDestination['True'] ?? null
},
{
path: 'navigation.courseRhumbline.bearingTrackMagnetic',
value: bearingOriginToDestination['Magnetic'] ?? null
},
{
path: 'navigation.courseRhumbline.nextPoint.ID',
value: destinationWaypointID
},
{
path: 'navigation.courseRhumbline.previousPoint.ID',
value: originWaypointID
}
]
}
]
};
};
exports.default = BOD;
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