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HTTP.get problems
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require("ESP8266").logDebug(false); | |
var SSID = ''; | |
var PASS = ''; | |
var THINGSPEAK_KEY = ''; | |
var ADAFRUIT_KEY = ''; | |
var ADAFRUIT_GROUP = ''; | |
var period = 60 * 1; //period of reading sensor in sec. | |
var GPIO0 = new Pin(12); // onewire | |
var LED1 = new Pin(2); // internal led | |
var toggle = 1; | |
var ow = new OneWire(GPIO0); | |
var sensor = require("DS18B20").connect(ow); | |
var blinky = function() { | |
print("Starting blinky..."); | |
setInterval(function() { | |
toggle = !toggle; | |
LED1.write(toggle); | |
}, 1000); | |
}; | |
var connectToWifi = function() { | |
print('Connecting to wifi...'); | |
LED1.write(0); | |
ESP8266WiFi.init(); | |
ESP8266WiFi.connect(SSID, PASS, function() { | |
print('Connected to ' + SSID); | |
var ipInfo = ESP8266WiFi.getIPInfo(); | |
print("Current IP address is: " + ESP8266WiFi.getAddressAsString(ipInfo.ip)); | |
LED1.write(1); | |
timer(); | |
}); | |
}; | |
var resolveAddress = function(callback, data) { | |
if (typeof dnsCache == 'undefined') { | |
dnsCache = {}; | |
} | |
if (!dnsCache[data.hostName]) { | |
var ESP8266 = require("ESP8266"); | |
ESP8266.getHostByName(data.hostName, function(address) { | |
var ipAddress = ESP8266.getAddressAsString(address); | |
print(data.hostName + ' => ' + ipAddress); | |
dnsCache[data.hostName] = ipAddress; | |
concatParams(callback, data); | |
}); | |
} else { | |
concatParams(callback, data); | |
} | |
}; | |
var concatParams = function(callback, data) { | |
var result = []; | |
for (var property in data.params) { | |
if (data.params.hasOwnProperty(property)) { | |
var item = property + '=' + data.params[property]; | |
result.push(item); | |
} | |
} | |
data.paramString = result.join('&'); | |
callback(data); | |
}; | |
var sendToThingSpeak = function(key, params) { | |
print('Sending to ThingSpeak...'); | |
var data = { | |
'key': key, | |
'params': params, | |
'hostName': 'thingspeak.com' | |
}; | |
resolveAddress(thingSpeakClient, data); | |
}; | |
var thingSpeakClient = function(data) { | |
var path = '/update?key=' + data.key + '&' + data.paramString; | |
print('GET http://' + dnsCache[data.hostName] + path); | |
var http = require("http"); | |
http.get({ | |
host: dnsCache[data.hostName], | |
path: path | |
}, | |
function(response) { | |
response.on('data', function(data) { | |
print('ThingSpeak data counter: ' + data); | |
}); | |
} | |
); | |
}; | |
var sendToAdafruit = function(key, group, params) { | |
print('Sending to Adafruit...'); | |
var data = { | |
'key': key, | |
'group': group, | |
'params': params, | |
'hostName': 'io.adafruit.com' | |
}; | |
resolveAddress(adafruitClient, data); | |
}; | |
var adafruitClient = function(data) { | |
var path = '/api/groups/' + data.group + '/send.json?x-aio-key=' + data.key + '&' + data.paramString; | |
print('GET http://' + dnsCache[data.hostName] + path); | |
var http = require("http"); | |
http.get({ | |
host: dnsCache[data.hostName], | |
path: path | |
}, | |
function(response) { | |
response.on('data', function(data) { | |
//var result = JSON.decode(data); | |
print('Adafruit done'); | |
}); | |
} | |
); | |
}; | |
var testTs = function() { | |
var thingspeakParams = { | |
'field1': 90 | |
}; | |
sendToThingSpeak(THINGSPEAK_KEY, thingspeakParams); | |
}; | |
var testAda = function() { | |
var adafruitParams = { | |
'temperature': 90 | |
}; | |
sendToAdafruit(ADAFRUIT_KEY, ADAFRUIT_GROUP, adafruitParams); | |
}; | |
var measureAndSend = function() { | |
sensor.getTemp(function(temperature) { | |
var date = new Date(); | |
print(date.toString() + ' => ' + temperature); | |
var thingspeakParams = { | |
'field1': temperature | |
}; | |
sendToThingSpeak(THINGSPEAK_KEY, thingspeakParams); | |
var adafruitParams = { | |
'temperature': temperature | |
}; | |
sendToAdafruit(ADAFRUIT_KEY, ADAFRUIT_GROUP, adafruitParams); | |
}); | |
}; | |
var timer = function() { | |
measureAndSend(); | |
setInterval(measureAndSend, period * 1000); | |
}; | |
var init = function() { | |
connectToWifi(); | |
blinky(); | |
}; | |
E.on('init', init); |
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I wrote a simple data logger that sends measured temperature to two logger service: thingspeak and adafruit.
Thingspeak logging basically worked for >10 hours, although according to logs, board reseted for couple of times (logging interval is 10 minutes). This logging returns an incremental counter as text that I can print to console in response.on('data', ...
Adafruit logger sometimes works sometimes not. It usually logs data, although it doesn't run response.on('data', ...
Normally Adafruit returns a json (parsing is another story)
If both logger are enables, board resets constantly.
I use EspruinoBuilds repo and version Build for 2015-11-18