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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?