@jbroll/nmea-simple
Version:
NMEA 0183 sentence parser and encoder
43 lines (42 loc) • 1.75 kB
JavaScript
;
/*
* === MTK - Configuration packet ===
*
* ------------------------------------------------------------------------------
* 1 2 ... n n+1
* | | | |
* $--MTKxxx,a,...,a*hh<CR><LF>
* ------------------------------------------------------------------------------
*
* Field Number:
* 1. Packet type (000-999)
* 2. - n. Data fields; meaning and quantity vary depending on the packet type
* n+1. Checksum
*/
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var helpers_1 = require("../helpers");
var PacketStub_1 = require("./PacketStub");
exports.sentenceId = "MTK";
exports.sentenceName = "Configuration packet";
function decodeSentence(stub, fields) {
return __assign(__assign({}, PacketStub_1.initStubFields(stub, exports.sentenceId, exports.sentenceName)), { packetType: helpers_1.parseIntSafe(stub.sentenceId.substr(3)), data: fields.slice(1).map(helpers_1.parseNumberOrString) });
}
exports.decodeSentence = decodeSentence;
function encodePacket(packet, talker) {
var result = ["$" + talker + exports.sentenceId + helpers_1.padLeft(packet.packetType, 3, "0")];
result = result.concat(packet.data.toString());
var resultWithoutChecksum = result.join(",");
return resultWithoutChecksum + helpers_1.createNmeaChecksumFooter(resultWithoutChecksum);
}
exports.encodePacket = encodePacket;