2016-08-16 22:53:14 +02:00

112 lines
2.8 KiB
JavaScript

var Tinkerforge = require('../Tinkerforge')
, Conf = require('./config.json')
, Helper = require('../Adawim/helper')
, Log = require('../Adawim/logging')
, http = require('http');
Helper.each(Conf.items, function(item) {
connect(item);
});
/* private */
function reconnect(item) {
Log.debug('Reconnect ' + item.host);
setTimeout(connect(item), 10000);
}
/* private */
function connect(item) {
var HOST = item.host;
var PORT = item.port;
var UID = item.uid;
Log.log('Init ' + UID + ' @' + HOST + ' with period of ' + item.callback.period);
var ipcon = new Tinkerforge.IPConnection(); // Create IP connection
var t = new Tinkerforge.BrickletTemperature(UID, ipcon); // Create device object
var counter = 0;
var readyForNextNotification = true;
ipcon.connect(HOST, PORT,
function (error) {
/*
IPConnection.ERROR_ALREADY_CONNECTED = 11
IPConnection.ERROR_NOT_CONNECTED = 12
IPConnection.ERROR_CONNECT_FAILED = 13
IPConnection.ERROR_INVALID_FUNCTION_ID = 21
IPConnection.ERROR_TIMEOUT = 31
IPConnection.ERROR_INVALID_PARAMETER = 41
IPConnection.ERROR_FUNCTION_NOT_SUPPORTED = 42
IPConnection.ERROR_UNKNOWN_ERROR = 43
*/
Log.error('Error @'+HOST+': ' + error);
if(error === 13) {
reconnect(item);
}
}
); // Connect to brickd
// Don't use device before ipcon is connected
ipcon.on(Tinkerforge.IPConnection.CALLBACK_CONNECTED,
function (connectReason) {
t.setTemperatureCallbackPeriod(item.callback.period);
}
);
// Register temperature callback
t.on(Tinkerforge.BrickletTemperature.CALLBACK_TEMPERATURE,
// Callback function for temperature callback (parameter has unit °C/100)
function (temperature) {
saveValue(temperature/100.0, item);
Log.log('Temperature: ' + temperature/100.0 + ' °C');
}
);
process.on( 'SIGINT', function() {
Log.log( "Gracefully disconnect " + HOST );
ipcon.disconnect();
process.exit( );
});
}
/* private */
function saveValue(value, item) {
var room = item.on.new.value.room;
var category = item.on.new.value.category;
var options = {
host: item.on.new.value.host,
port: item.on.new.value.port,
path: '/persist/value/of/'+category+'/with/'+value+'/in/'+room+'/'
};
callback = function(response) {
var str = '';
//another chunk of data has been recieved, so append it to `str`
response.on('data', function (chunk) {
str += chunk;
});
//the whole response has been recieved, so we just print it out here
response.on('end', function () {
Log.log(str);
});
}
var req = http.request(options, function(res) {
//Log.inspect('Result', res);
});
req.on('error', function(err) {
Log.error(err);
});
req.end();
}