86 lines
2.0 KiB
JavaScript
86 lines
2.0 KiB
JavaScript
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/*jshint esversion: 6 */
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module.exports = {
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translateDirection,
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hexStrToNum,
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numToHexStr,
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sanitizeSpeed,
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getCurrentPos
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};
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function translateDirection(direction) {
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let hexStr;
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switch(direction.toLowerCase()) {
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case "stop":
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hexStr = "0303FF";
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break;
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case "up":
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hexStr = "0301FF";
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break;
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case "down":
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hexStr = "0302FF";
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break;
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case "right":
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hexStr = "0203FF";
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break;
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case "left":
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hexStr = "0103FF";
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break;
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case "upleft":
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hexStr = "0101FF";
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break;
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case "upright":
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hexStr = "0201FF";
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break;
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case "downleft":
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hexStr = "0102FF";
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break;
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case "downright":
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hexStr = "0202FF";
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break;
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default:
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throw "The direction " + direction + " is not a valid movement direction";
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}
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return hexStr;
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}
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function hexStrToNum(str) {
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return parseInt(str, 16);
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}
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function numToHexStr(num) {
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if (num == 0) {
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return '00';
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}
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if (typeof num === 'string') {
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num = parseInt(num);
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}
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return num.toString(16).toUpperCase().split('').reduce(function(str, char) {
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return '0' + char;
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});
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}
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function sanitizeSpeed(pan, tilt) {
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let sanitizedPan, sanitizedTilt;
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if (pan >= 1 && pan <= 18) {
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sanitizedPan = ("0" + pan).slice(-2);
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} else {
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throw 'The pan speed value must be greater than or equal to 1 and less than or equal to 18';
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}
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if (tilt >= 1 && tilt <= 14) {
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sanitizedTilt = ("0" + pan).slice(-2);
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} else {
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throw 'The tilt speed value must be greater than or equal to 1 and less than or equal to 14';
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}
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return [sanitizedPan, sanitizedTilt];
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}
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async function getCurrentPos(id) {
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return numToHexStr(await socket.sendCmd(id, "81090612FF"));
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}
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