homebridge-hatch-baby-rest-volume/lib/feedback.js

Homebridge plugin for Hatch Baby Rest bluetooth night light volume

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.colorsMatch = exports.parseFeedbackBuffer = void 0;
const feedbackFields = {
    54: {
        name: 'time',
        length: 4,
    },
    43: {
        name: 'color',
        length: 4,
        mapper: (data) => {
            return {
                color: {
                    r: data[0],
                    g: data[1],
                    b: data[2],
                    a: data[3],
                },
            };
        },
    },
    50: {
        name: 'powerPreset',
        length: 1,
        mapper: (data) => {
            return {
                power: Boolean(data[0]) && !(data[0] & 0xc0),
            };
        },
    },
    53: {
        name: 'audio',
        length: 2,
        mapper: (data) => {
            return {
                audioTrack: data[0],
                volume: Math.round((data[1] / 255) * 100),
            };
        },
    },
};
function parseFeedbackBuffer(feedbackBuffer) {
    const feedback = {};
    for (let i = 0; i < feedbackBuffer.length; i = i) {
        const fieldKey = feedbackBuffer[i].toString(16), field = feedbackFields[fieldKey];
        if (!field) {
            break;
        }
        const data = feedbackBuffer.slice(i + 1, i + field.length + 1);
        if (field.mapper) {
            Object.assign(feedback, field.mapper(data));
        }
        else {
            ;
            feedback[field.name] = parseInt(data.toString('hex'), 16);
        }
        i += field.length + 1;
    }
    return feedback;
}
exports.parseFeedbackBuffer = parseFeedbackBuffer;
function colorsMatch(a, b) {
    return a.a === b.a && a.r === b.r && a.g === b.g && a.b === b.b;
}
exports.colorsMatch = colorsMatch;