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March 3, 2019 11:10
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Attempt to get temperature from Withings Smart Body Analyser (Now sold as Nokia Body+) to be displayed within Homekit. Ended up giving up as it appears the temperature information is only updated when you step on the scale, which kind of defeats the purpose.
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var Service, Characteristic; | |
var request = require('request'); | |
// var withingsApi = require("withings-api"); // Doesn't support Weather and CO2 levels | |
var temperatureService; | |
var url; | |
var humidity = 0; | |
var temperature = 0; | |
const DEF_MIN_TEMPERATURE = -100, | |
DEF_MAX_TEMPERATURE = 100; | |
module.exports = function (homebridge) { | |
Service = homebridge.hap.Service; | |
Characteristic = homebridge.hap.Characteristic; | |
homebridge.registerAccessory("homebridge-withings", "Withings", Withings); | |
}; | |
function Withings(log, config) { | |
this.log = log; | |
this.email = config.email; | |
this.password = config.password; | |
this.name = config.name; | |
this.manufacturer = config.manufacturer || "Withings"; | |
this.model = config.model || "Unknown"; | |
this.serial = config.serial || "Unknown"; | |
this.device_id = config.device_id || ""; | |
this.minTemperature = config.min_temp || DEF_MIN_TEMPERATURE; | |
this.maxTemperature = config.max_temp || DEF_MAX_TEMPERATURE; | |
} | |
Withings.prototype = { | |
getState: function (callback) { | |
var authUrl = 'https://account.withings.com/connectionuser/account_login?appname=my2&appliver=8b90cb73&r=https%3A%2F%2Fhealthmate.withings.com%2F'; | |
var measureUrl = 'https://healthmate.withings.com/index/service/v2/measure'; | |
var j = request.jar(); | |
var withings = this; // Required to ensure that this can be accessed within callbacks. | |
withings.log('Authenticating with Withings...'); | |
withings.log('Email: ' + withings.email); | |
request.post(authUrl,{ | |
form: { | |
email: withings.email, | |
password: withings.password | |
}, | |
jar: j | |
}) | |
.on('response', function (r) { | |
var cookies = j.getCookieString(authUrl); | |
var reg = /session_key=(.*)/; | |
var sessionKey = cookies.match(reg)[1]; | |
// console.log(sessionKey); | |
withings.log('Device ID: '+ withings.device_id); | |
withings.log('Attempting to retrieve temperature...'); | |
request({ | |
method: 'POST', | |
uri: measureUrl, | |
formData: { | |
sessionid: sessionKey, | |
meastype: '12', | |
deviceid: withings.device_id, | |
appname: 'my2', | |
appliver: '6316ea52', | |
// appliver: '8b90cb73', | |
// appliver: '300f785c', | |
apppfm: 'web', | |
action: 'getmeashf' | |
} | |
}, function(error, response, body) { | |
withings.log('Response received...'); | |
var temperature = null; | |
var json = JSON.parse(body); | |
if (error) { | |
withings.log('HTTP bad response (' + measureUrl + '): ' + error.message); | |
} | |
else if (parseInt(json.status) !== 0) { | |
withings.log('Body: '+ body); | |
withings.log('Status: ' + json.status); | |
try { | |
throw 'Reponse Unsuccessful (' + measureUrl + '):' + json.status; | |
} catch (respErr) { | |
withings.log(respErr.message); | |
error = respErr; | |
} | |
} | |
else { | |
try { | |
temperature = json.body.series[0].data[0].value; | |
withings.log('Temperature: ' + temperature); | |
if (temperature < withings.minTemperature || temperature > withings.maxTemperature || isNaN(temperature)) { | |
throw "Invalid value received"; | |
} | |
withings.log('HTTP successful response: ' + body); | |
} catch (parseErr) { | |
withings.log('Error processing received information: ' + parseErr.message); | |
error = parseErr; | |
} | |
// console.log(json); | |
} | |
callback(error, temperature); | |
}); | |
}); | |
}, | |
getServices: function () { | |
this.informationService = new Service.AccessoryInformation(); | |
this.informationService | |
.setCharacteristic(Characteristic.Manufacturer, this.manufacturer) | |
.setCharacteristic(Characteristic.Model, this.model) | |
.setCharacteristic(Characteristic.SerialNumber, this.serial); | |
this.temperatureService = new Service.TemperatureSensor(this.name); | |
this.temperatureService | |
.getCharacteristic(Characteristic.CurrentTemperature) | |
.on('get', this.getState.bind(this)) | |
.setProps({ | |
minValue: this.minTemperature, | |
maxValue: this.maxTemperature | |
}); | |
return [this.informationService, this.temperatureService]; | |
} | |
}; |
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How is install this module?