@signalk/nmea0183-signalk
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A node.js/javascript parser for NMEA0183 sentences. Sentences are parsed to Signal K format.
102 lines • 3.89 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) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
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return ownKeys(o);
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return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
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/HSC');
/**
* $FTHSC,40.12,T,39.11,M*5E
*
* Heading Steering Command
*
* 0) 40.12 Heading to steer, degrees true
* 1) T True
* 2) 39.11 Heading to steer, degrees magnetic
* 3) M Magnetic
**/
const HSC = function (input, _session) {
const { id, sentence, parts, tags } = input;
const upper = (str) => str.trim().toUpperCase();
debug(`[HSCHook] decoding sentence ${id} => ${sentence}`);
if (upper(parts[1]) === '' ||
upper(parts[3]) === '' ||
upper(parts[0]) === '' ||
upper(parts[2]) === '') {
return null;
}
const headingToSteer = {};
headingToSteer[upper(parts[1]) === 'T' ? 'True' : 'Magnetic'] =
utils.transform(parts[0], 'deg', 'rad');
headingToSteer[upper(parts[3]) === 'T' ? 'True' : 'Magnetic'] =
utils.transform(parts[2], 'deg', 'rad');
return {
updates: [
{
source: tags.source,
timestamp: tags.timestamp,
values: [
{
path: 'steering.autopilot.target.headingTrue',
value: headingToSteer['True'] ?? null
},
{
path: 'steering.autopilot.target.headingMagnetic',
value: headingToSteer['Magnetic'] ?? null
}
]
}
]
};
};
exports.default = HSC;
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