@andrei-tatar/node-red-contrib-nibetcp/dist/scan.js

Node-red integration for Nibe S series heatpumps using modbus over TCP

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const nibe_1 = require("./communication/nibe");
const IGNORE = [42176, 33224, 33304, 33344, 33624];
nibe_1.Nibe.createTcp("tcp://NIBE-06545022180002.local:502", "./registers.csv")
    .pipe((0, operators_1.concatMap)((n) => n.registers$.pipe((0, operators_1.tap)(() => console.log(`scan start`)), (0, operators_1.concatMap)((regs) => {
    const start = new Date().getTime();
    return readAllRegisters(n, regs).pipe((0, operators_1.map)((values) => {
        return {
            values,
            seconds: Math.round((new Date().getTime() - start) / 100) / 10,
        };
    }));
}), (0, operators_1.tap)(({ values, seconds }) => console.log(`scan done, read ${values.length} values in ${seconds} sec`)), (0, operators_1.map)(({ values }) => values), (0, operators_1.repeat)({ delay: 5000 }))), keepOnlyChangedValues(), (0, operators_1.tap)((changedValues) => {
    for (const value of changedValues) {
        console.log(`'${value.label}' changed to ${value.formatted}`);
    }
}))
    .subscribe();
function readAllRegisters(nibe, regs) {
    return (0, rxjs_1.from)(regs).pipe((0, operators_1.filter)((reg) => !IGNORE.includes(reg.address)), (0, operators_1.mergeMap)((reg) => nibe.readRegister(reg.address, 1000).pipe((0, operators_1.catchError)((err) => {
        console.warn(`failed reading ${reg.address}: ${err}`);
        return rxjs_1.EMPTY;
    })), 20), (0, operators_1.toArray)());
}
function keepOnlyChangedValues() {
    return (source) => source.pipe((0, operators_1.scan)((ctx, currentValues) => {
        ctx.changes = [];
        for (const current of currentValues) {
            const lastIndex = ctx.lastValues.findIndex((v) => v.label === current.label);
            if (lastIndex >= 0) {
                const last = ctx.lastValues[lastIndex];
                if (last.value !== current.value) {
                    ctx.changes.push(current);
                }
                ctx.lastValues.splice(lastIndex, 1);
            }
        }
        ctx.lastValues.push(...currentValues);
        return ctx;
    }, {
        lastValues: [],
        changes: [],
    }), (0, operators_1.skip)(1), (0, operators_1.map)((v) => v.changes));
}