| Author | SHA1 | Message | Date | 
|---|---|---|---|
|  | 5f44756d25 | 8 years ago | 
| @@ -1,31 +1,35 @@ | ||
| 1 | 1 |  var logger = require('winston'); | 
| 2 | 2 |  var sensor = require("ds18x20") | 
| 3 | +var devices; | |
| 4 | +var channel; | |
| 3 | 5 |  | 
| 4 | -module.exports.start = function(channel){ | |
| 6 | +module.exports.start = function(channel_config){ | |
| 7 | + channel = channel_config | |
| 5 | 8 |    logger.info("Starting External temperature module"); | 
| 6 | 9 | var isLoaded = sensor.isDriverLoaded(); | 
| 7 | 10 |    if(isLoaded){ | 
| 8 | - console.log(isLoaded); | |
| 9 | - var devices = sensor.list(); | |
| 11 | +    logger.info("ds18x20 sensor drivers are loaded.") | |
| 12 | + devices = sensor.list(); | |
| 10 | 13 | console.log(devices); | 
| 11 | -    setInterval(function (devices, channel) { | |
| 12 | - var temperature = readSensor(devices, channel); | |
| 14 | +    setInterval(function () { | |
| 15 | + var temperature = readSensor(); | |
| 13 | 16 | }, 5000); | 
| 17 | +  } else { | |
| 18 | +    logger.info("ds18x20 sensor drivers are not loaded.") | |
| 14 | 19 | } | 
| 15 | 20 |  | 
| 16 | 21 |  | 
| 17 | 22 | } | 
| 18 | 23 |  | 
| 19 | -function readSensor(devices, channel) { | |
| 24 | +function readSensor() { | |
| 20 | 25 | // Read Sensor data | 
| 26 | +  if(devices == undefined){ | |
| 27 | + devices = sensor.list(); | |
| 28 | + } | |
| 21 | 29 |    sensor.get(devices[devices.length - 1], function(err, temp){ | 
| 22 | 30 |    	if(err){ | 
| 23 | 31 | console.log(err); | 
| 24 | 32 | } | 
| 25 | 33 |    	channel.emit('temperature_external', { temperature: temp }); | 
| 26 | 34 | }); | 
| 27 | - // give random data for testing | |
| 28 | - // var high = 25; | |
| 29 | - // var low = 23; | |
| 30 | - // var temp = Math.random() * (high - low) + low | |
| 31 | 35 | } |