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@simont77
simont77 authored Aug 15, 2017
1 parent 239ef00 commit 1cc1578
Showing 1 changed file with 253 additions and 0 deletions.
253 changes: 253 additions & 0 deletions fakegato-history.js
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'use strict';

var homebridge;
var Characteristic;

module.exports = function(pHomebridge) {
if (pHomebridge && !homebridge) {
homebridge = pHomebridge;
Characteristic = homebridge.hap.Characteristic;
}

var hexToBase64 = function(val) {
return new Buffer((''+val).replace(/[^0-9A-F]/ig, ''), 'hex').toString('base64');
}, base64ToHex = function(val) {
if(!val) return val;
return new Buffer(val, 'base64').toString('hex');
}, swap16 = function (val) {
return ((val & 0xFF) << 8)
| ((val >>> 8) & 0xFF);
}, swap32 = function (val) {
return ((val & 0xFF) << 24)
| ((val & 0xFF00) << 8)
| ((val >>> 8) & 0xFF00)
| ((val >>> 24) & 0xFF);
}, hexToHPA = function(val) {
return parseInt(swap16(val), 10);
}, hPAtoHex = function(val) {
return swap16(Math.round(val)).toString(16);
}, numToHex = function(val, len) {
var s = Number(val>>>0).toString(16);
if(s.length % 2 != 0) {
s = '0' + s;
}
if(len) {
return ('0000000000000' + s).slice(-1 * len);
}
return s;
}

class S2R1Characteristic extends Characteristic {
constructor() {
super('S2R1', 'E863F116-079E-48FF-8F27-9C2605A29F52');
this.setProps({
format: Characteristic.Formats.DATA,
perms: [
Characteristic.Perms.READ, Characteristic.Perms.NOTIFY
]
});
}
}

class S2R2Characteristic extends Characteristic {
constructor() {
super('S2R2', 'E863F117-079E-48FF-8F27-9C2605A29F52');
this.setProps({
format: Characteristic.Formats.DATA,
perms: [
Characteristic.Perms.READ, Characteristic.Perms.NOTIFY
]
});
}
}

class S2W1Characteristic extends Characteristic {
constructor() {
super('S2W1', 'E863F11C-079E-48FF-8F27-9C2605A29F52');
this.setProps({
format: Characteristic.Formats.DATA,
perms: [
Characteristic.Perms.WRITE
]
});
}
}

class S2W2Characteristic extends Characteristic {
constructor() {
super('S2W2', 'E863F121-079E-48FF-8F27-9C2605A29F52');
this.setProps({
format: Characteristic.Formats.DATA,
perms: [
Characteristic.Perms.WRITE
]
});
}
}

class FakeGatoHistoryService extends homebridge.hap.Service {
constructor(accessoryType) {
super("History", 'E863F007-079E-48FF-8F27-9C2605A29F52');
switch (accessoryType)
{
case "weather":
this.accessoryType116 = "03";
this.accessoryType117 = "07";
break;
case "energy":
this.accessoryType116 = "07";
this.accessoryType117 = "1f";
break;
case "room":
this.accessoryType116 = "04";
this.accessoryType117 = "0f";
break;
}


this.accessoryType=accessoryType;
this.nextAvailableEntry = 1;
this.history = [];
this.maxHistory = 100;
this.currentEntry = 1;
this.transfer=false;
this.setTime=true;
this.refTime=0;

this.addCharacteristic(S2R1Characteristic);

this.addCharacteristic(S2R2Characteristic)
.on('get', (callback) => {
if ((this.currentEntry<this.nextAvailableEntry) && (this.transfer==true))
{

if ((this.history[this.currentEntry].temp==0 &&
this.history[this.currentEntry].pressure==0 &&
this.history[this.currentEntry].humidity==0) || (this.history[this.currentEntry].power==0xFFFF) || (this.setTime==true))
{
console.log("Data "+ this.accessoryType + ": 15" + numToHex(swap16(this.currentEntry),4) + "0000 0000 0000 81" + numToHex(swap32(this.refTime),8) +"0000 0000 00 0000");
callback(null,hexToBase64('15' + numToHex(swap16(this.currentEntry),4) +' 0000 0000 0000 81' + numToHex(swap32(this.refTime),8) + '0000 0000 00 0000'));
this.setTime=false;
}
else
switch (this.accessoryType)
{
case "weather":
console.log("Data "+ this.accessoryType + ": 10 " + numToHex(swap16(this.currentEntry),4) + " 0000 "
+ numToHex(swap32(this.history[this.currentEntry].time-this.refTime-978307200),8)
+ this.accessoryType117
+ numToHex(swap16(this.history[this.currentEntry].temp*100),4)
+ numToHex(swap16(this.history[this.currentEntry].humidity*100),4)
+ numToHex(swap16(this.history[this.currentEntry].pressure*10),4));
callback(null,hexToBase64('10' + numToHex(swap16(this.currentEntry),4)+ ' 0000 '
+ numToHex(swap32(this.history[this.currentEntry].time-this.refTime-978307200),8)
+ this.accessoryType117
+ numToHex(swap16(this.history[this.currentEntry].temp*100),4)
+ numToHex(swap16(this.history[this.currentEntry].humidity*100),4)
+ numToHex(swap16(this.history[this.currentEntry].pressure*10),4)));
break;
case "energy":
console.log("Data "+ this.accessoryType + ": 14 " + numToHex(swap16(this.currentEntry),4) + " 0000 "
+ numToHex(swap32(this.history[this.currentEntry].time-this.refTime-978307200),8)
+ this.accessoryType117
+ "0000 0000"
+ numToHex(swap16(this.history[this.currentEntry].power*10),4)
+ "0000 0000");
callback(null,hexToBase64('14' + numToHex(swap16(this.currentEntry),4)+ ' 0000 '
+ numToHex(swap32(this.history[this.currentEntry].time-this.refTime-978307200),8)
+ this.accessoryType117
+ "0000 0000"
+ numToHex(swap16(this.history[this.currentEntry].power*10),4)
+ "0000 0000"));
break;
}
this.currentEntry++;
}
else
{
this.transfer=false;
callback(null,hexToBase64('00'));
}

});


this.addCharacteristic(S2W1Characteristic)
.on('set', this.setCurrentS2W1.bind(this));

this.addCharacteristic(S2W2Characteristic)
.on('set', this.setCurrentS2W2.bind(this));


}

sendHistory(address){
var hexAddress= address.toString('16');
if (address!=0)
this.currentEntry = address;
else
this.currentEntry = 1;
this.transfer=true;
}

//in order to be consistent with Eve, entry address start from 1
addEntry(entry){
if (this.nextAvailableEntry<this.maxHistory)
{
if (this.refTime==0)
{
this.refTime=entry.time-978307200;
switch (this.accessoryType)
{
case "weather":
this.history[this.nextAvailableEntry]= {time: entry.time, temp:0, pressure:0, humidity:0};
break;
case "energy":
this.history[this.nextAvailableEntry]= {time: entry.time, power:0xFFFF};
break;
}
this.nextAvailableEntry++;
}
this.history[this.nextAvailableEntry] = (entry);
this.nextAvailableEntry++;
}
else
{
this.history[1] = (entry);
this.nextAvailableEntry = 2;
}

this.getCharacteristic(S2R1Characteristic)
.setValue(hexToBase64(numToHex(swap32(entry.time-this.refTime-978307200),8) + '00000000' + numToHex(swap32(this.refTime),8) + '0401020202' + this.accessoryType116 +'020f03' + numToHex(swap16(this.nextAvailableEntry),4) +'ed0f00000000000000000101'));
console.log("Next available entry " + this.accessoryType + ": " + this.nextAvailableEntry.toString(16));
console.log("116 " + this.accessoryType + ": " + numToHex(swap32(entry.time-this.refTime-978307200),8) + '00000000' + numToHex(swap32(this.refTime),8) + '0401020202' + this.accessoryType116 +'020f03' + numToHex(swap16(this.nextAvailableEntry),4) +'ed0f00000000000000000101');

}

setCurrentS2W1(val, callback) {
callback(null,val);
console.log("Data request " + this.accessoryType + ": "+ base64ToHex(val));
var valHex = base64ToHex(val);
var substring = valHex.substring(4,12);
var valInt = parseInt(substring,16);
var address = swap32(valInt);
var hexAddress= address.toString('16');

console.log("Address requested " + this.accessoryType + ": "+ hexAddress);
if (this.transfer==false)
{
//this.transfer=true;
this.sendHistory(address);
}
}

setCurrentS2W2(val, callback) {
console.log("Clock adjust: "+ base64ToHex(val));
callback(null,val);
}


}

return FakeGatoHistoryService;
}

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