0bbae0446b
Added verification of broadcast response message size Added clearer handling of message types I'm sure there's a better way to do debug logging, but I don't really feel like adding a dependency on another module just for that.
55 lines
1.5 KiB
JavaScript
Executable File
55 lines
1.5 KiB
JavaScript
Executable File
const SLMessage = require('./SLMessage.js').SLMessage;
|
|
|
|
const MSG_ID = 12592;
|
|
|
|
exports.SLChemDataMessage = class SLChemDataMessage extends SLMessage {
|
|
constructor(buf) {
|
|
super(0, MSG_ID);
|
|
if (!buf) {
|
|
this.writeInt32LE(0); // controller index
|
|
} else {
|
|
this._wroteSize = true;
|
|
this.writeBuffer(buf, 0);
|
|
|
|
this.decode();
|
|
}
|
|
}
|
|
|
|
decode() {
|
|
super.decode();
|
|
|
|
let sentinel = this.readInt32LE();
|
|
if (sentinel === 42) {
|
|
this.isValid = true;
|
|
this._readOffset++;
|
|
this.pH = this.readUInt16BE() / 100;
|
|
this.orp = this.readUInt16BE();
|
|
this.pHSetPoint = this.readUInt16BE() / 100;
|
|
this.orpSetPoint = this.readUInt16BE();
|
|
this._readOffset += 12;
|
|
this.pHTankLevel = this.readUInt8();
|
|
this.orpTankLevel = this.readUInt8();
|
|
this.saturation = this.readUInt8();
|
|
if ((this.saturation & 128) !== 0) {
|
|
this.saturation = -(256 - this.saturation);
|
|
}
|
|
this.saturation /= 100;
|
|
this.calcium = this.readUInt16BE();
|
|
this.cyanuricAcid = this.readUInt16BE();
|
|
this.alkalinity = this.readUInt16BE();
|
|
let salt = this.readUInt16LE();
|
|
this.saltPPM = salt * 50;
|
|
this.temperature = this.readUInt8();
|
|
this._readOffset += 2;
|
|
let balance = this.readUInt8();
|
|
this.corrosive = (balance & 1) !== 0;
|
|
this.scaling = (balance & 2) !== 0;
|
|
this.error = (salt & 128) !== 0;
|
|
}
|
|
}
|
|
|
|
static getResponseId() {
|
|
return MSG_ID + 1;
|
|
}
|
|
}
|