private static void OnCallback(object state)
{
switch ((ETimer)state)
{
case ETimer.Ping:
if (NetduinoMQTT == null)
{
break;
}
lock (NetduinoMQTT)
{
// Our keep alive is 15 seconds - we ping again every 10, So we should live forever
Debug.Print("Pinging <" + MQTT_PORT + "> port on <" + MQTT_SERVER + "> server...");
if (NetduinoMQTT.PingMQTT(Socket) == -1)
{
NetduinoMQTT.DisconnectMQTT(Socket);
NetduinoMQTT = null;
}
}
break;
case ETimer.Scan:
if (I2C == null)
{
break;
}
lock (I2C) lock (NetduinoMQTT)
{
Scanner.ScanSlaves(I2C);
FetchFunction();
}
break;
case ETimer.RGB:
if (LockRGB == null)
{
break;
}
lock (LockRGB)
{
if (Notify.Length != 0)
{
// Notify end user, status is reserved
Debug.Print("Done! RGB LED status was changed from <" + NotifyFlag.ToString() + "> to <" + Notify.Peek().ToString() + "> status.");
SetRGBStatus(Notify.Dequeue());
}
}
break;
default:
break;
}
}
// the interrupt handler
static void button_OnInterrupt(uint data1, uint data2, DateTime time)
{
int returnCode = 0;
int connectionError = 0;
// Get broker's IP address.
IPHostEntry hostEntry = Dns.GetHostEntry("192.168.1.106");
// Create socket and connect to the broker's IP address and port
Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
mySocket.Connect(new IPEndPoint(hostEntry.AddressList[0], 1883));
}
catch (SocketException SE)
{
Debug.Print("Connection Error");
connectionError = 1;
}
if (connectionError != 1)
{
// Send the connect message
returnCode = NetduinoMQTT.ConnectMQTT(mySocket, "tester\u00A5", 2, true, "roger\u00A5", "password\u00A5");
if (returnCode != 0)
{
Debug.Print("Connection Error:");
Debug.Print(returnCode.ToString());
}
else
{
// Send our message
NetduinoMQTT.PublishMQTT(mySocket, "test", "Ow! Quit it!");
for (int i = 0; i < 11; i++)
{
returnCode = NetduinoMQTT.PingMQTT(mySocket);
if (returnCode == 0)
{
Debug.Print("Ping Received");
Thread.Sleep(1000);
}
}
Thread.Sleep(3000);
// Send the disconnect message
NetduinoMQTT.DisconnectMQTT(mySocket);
}
// Close the socket
mySocket.Close();
}
}
private static bool InitializeMQTT()
{
// Wait a little bit, That will make better the next step
Thread.Sleep(500);
try
{
// Get broker's IP of MQTT address
//IPHostEntry hostEntry = Dns.GetHostEntry(MQTT_SERVER);
IPHostEntry hostEntry = Dns.GetHostEntry(MQTT_SERVER);
// Create socket and connect to the broker's IP address and port
Socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Udp);
Socket.Connect(new IPEndPoint(hostEntry.AddressList[0], MQTT_PORT));
// Create MQTT and connect to the broker's port with username and password
NetduinoMQTT = new NetduinoMQTT();
if (NetduinoMQTT.ConnectMQTT(Socket, DEVICE_MODEL, MQTT_TIMEOUT, true, MQTT_USER, MQTT_PASSWORD) != 0)
{
throw new Exception();
}
Debug.Print("Done! Socket Connection was established successfully.");
// IMPORTANT NOTICE: First of all, we need to subscribe main device
// We call it like XXXX/status and this broker is related with SSR
// State of device. We will listen something about this and execute it
string[] data = { DEVICE_MODEL, "status" };
string result = '/' + Serializer.Encode(new char[1] {
'/'
}, data);
NetduinoMQTT.SubscribeMQTT(Socket, new string[] { result }, new int[] { 0 }, 1);
Debug.Print("Done! MQTT Configuration was established successfully <" + MQTT_PORT + "> port on <" + MQTT_SERVER + "> server.");
// Best case
return(true);
}
catch (SocketException error)
{
// Worst case
Debug.Print("Error! Unexpected Socket Error <" + error.ErrorCode + "> triggered.");
return(false);
}
}
public static void Main()
{
int ifttIntervalMinutes = 10;
int mqttIntervalSeconds = 5;
int sleepMS = 0;
// Create an output port (a port that can be written to)
// and wire it to the onboard LED
OutputPort led = new OutputPort(Pins.ONBOARD_LED, false);
HumiditySensorController sensorOne = new HumiditySensorController(N.Pins.GPIO_PIN_A0, N.Pins.GPIO_PIN_D7);
HumiditySensorController sensorTwo = new HumiditySensorController(N.Pins.GPIO_PIN_A1, N.Pins.GPIO_PIN_D6);
HumiditySensorController sensorThree = new HumiditySensorController(N.Pins.GPIO_PIN_A2, N.Pins.GPIO_PIN_D5);
bool hasSi7021 = false;
SI7021 si7021 = null;
try
{
si7021 = new SI7021(updateInterval: 0);
Debug.Print("Serial number: " + si7021.SerialNumber);
Debug.Print("Firmware revision: " + si7021.FirmwareRevision);
Debug.Print("Sensor type: " + si7021.SensorType);
hasSi7021 = true;
}
catch (Exception)
{
Debug.Print("Cannot find SI7021");
hasSi7021 = false;
}
var lightSensor = new GUVAS12SD(N.Pins.GPIO_PIN_A3);
DateTime uploadToIFTTTime = DateTime.Now.AddMinutes(-(ifttIntervalMinutes + 1));
DateTime mqttMessageTime = DateTime.Now.AddSeconds(-(mqttIntervalSeconds + 1));
while (true)
{
Thread.Sleep(1000);
string temp = "", hum = "", humAdjusted = "";
if (hasSi7021)
{
si7021.Reset();
temp = si7021.Temperature.ToString("f2");
hum = si7021.Humidity.ToString("f2");
humAdjusted = (si7021.Humidity / 2).ToString("f2");
Debug.Print("Temperature: " + temp + ", humidity: " + hum);
}
string soil1 = getReading(sensorOne).final.ToString();
string soil2 = getReading(sensorTwo).final.ToString();
string soil3 = getReading(sensorThree).final.ToString();
var lightValue = lightSensor.Read();
// string lightValue.sensorReading + " = " + lightValue.sensorVoltage + "v, UV: " + lightValue.uvIndex
string csvDelim = "|";
string csv = soil1 + csvDelim + soil2 + csvDelim + soil3 + csvDelim + temp + csvDelim + hum + csvDelim + humAdjusted
+ csvDelim + lightValue.sensorReading + csvDelim + lightValue.sensorVoltage + csvDelim + lightValue.uvIndex;
Debug.Print(csv);
if (DateTime.Now > uploadToIFTTTime)
{
led.Write(true); // turn on the LED
try
{
sleepMS = 1000 * ifttIntervalMinutes * 60;
sendToIFTT("living_room_window", csv);
//led.Write(false);
uploadToIFTTTime = DateTime.Now.AddMinutes(ifttIntervalMinutes);
Debug.Print("Next upload to IFFT: " + uploadToIFTTTime);
}
catch (Exception)
{
Debug.Print("Upload batch to IFTTT failed");
}
led.Write(false);
}
if (DateTime.Now > mqttMessageTime)
{
led.Write(true); // turn on the LED
try
{
IPHostEntry hostEntry = Dns.GetHostEntry("192.168.0.63");
// Create socket and connect to the broker's IP address and port
var mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
mySocket.Connect(new IPEndPoint(hostEntry.AddressList[0], 1883));
}
catch (SocketException SE)
{
Debug.Print("Connection Error: " + SE.ErrorCode);
throw (SE);
}
int returnCode = NetduinoMQTT.ConnectMQTT(mySocket, "netduinoPlus", 500, true);
if (returnCode != 0)
{
var error = "Connection Error: " + returnCode.ToString();
Debug.Print(error);
throw new InvalidOperationException(error);
}
string windowLocation = "window";
if (hasSi7021)
{
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "temperature"), temp);
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "humidity"), hum);
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "humidityAdjusted"), humAdjusted);
}
//lightValue.sensorReading + csvDelim + lightValue.sensorVoltage + csvDelim + lightValue.uvIndex
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "lightReading"), lightValue.sensorReading.ToString());
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "lightVoltage"), lightValue.sensorVoltage.ToString());
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic(windowLocation, "uvIndex"), lightValue.uvIndex.ToString());
var metric = "soilmoisture";
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic("aralia", metric), soil1);
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic("bonsai", metric), soil2);
NetduinoMQTT.PublishMQTT(mySocket, buildMqttTopic("amaryllis", metric), soil3);
mqttMessageTime = DateTime.Now.AddSeconds(mqttIntervalSeconds);
Debug.Print("Next MQTT messaging: " + mqttMessageTime);
}
catch (Exception e)
{
Debug.Print("MQTT failed" + e.InnerException.Message);
}
led.Write(false); // turn off the LED
}
Thread.Sleep(500);
}
}
public static void Main()
{
int returnCode = 0;
// You can subscribe to multiple topics in one go
// (If your broker supports this RSMB does, mosquitto does not)
// Our examples use one topic per request.
//
//int[] topicQoS = { 0, 0 };
//String[] subTopics = { "test", "test2" };
//int numTopics = 2;
int[] topicQoS = { 0 };
String[] subTopics = { "test" };
int numTopics = 1;
// Get broker's IP address.
//IPHostEntry hostEntry = Dns.GetHostEntry("test.mosquitto.org");
IPHostEntry hostEntry = Dns.GetHostEntry("192.168.1.106");
// Create socket and connect to the broker's IP address and port
mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
mySocket.Connect(new IPEndPoint(hostEntry.AddressList[0], 1883));
}
catch (SocketException SE)
{
Debug.Print("Connection Error: " + SE.ErrorCode);
return;
}
// Send the connect message
// You can use UTF8 in the clientid, username and password - be careful, this can be a pain
//returnCode = NetduinoMQTT.ConnectMQTT(mySocket, "tester\u00A5", 2000, true, "roger\u00A5", "password\u00A5");
returnCode = NetduinoMQTT.ConnectMQTT(mySocket, "tester402", 20, true, "roger", "password");
if (returnCode != 0)
{
Debug.Print("Connection Error: " + returnCode.ToString());
return;
}
// Set up so that we ping the server after 1 second, then every 10 seconds
// First time is initial delay, Second is subsequent delays
Timer pingTimer = new Timer(new TimerCallback(pingIt), null, 1000, 10000);
// Setup and start a new thread for the listener
listenerThread = new Thread(mylistenerThread);
listenerThread.Start();
// setup our interrupt port (on-board button)
InterruptPort button = new InterruptPort(Pins.ONBOARD_SW1, false, Port.ResistorMode.Disabled, Port.InterruptMode.InterruptEdgeLow);
// assign our interrupt handler
button.OnInterrupt += new NativeEventHandler(button_OnInterrupt);
// Subscribe to our topic(s)
returnCode = NetduinoMQTT.SubscribeMQTT(mySocket, subTopics, topicQoS, numTopics);
//***********************************************
// This is just some example stuff:
//***********************************************
// Publish a message
NetduinoMQTT.PublishMQTT(mySocket, "test", "Testing from NetduinoMQTT");
// Subscribe to "test/two"
subTopics[0] = "test/two";
returnCode = NetduinoMQTT.SubscribeMQTT(mySocket, subTopics, topicQoS, numTopics);
// Send a message to "test/two"
NetduinoMQTT.PublishMQTT(mySocket, "test/two", "Testing from NetduinoMQTT to test/two");
// Unsubscribe from "test/two"
returnCode = NetduinoMQTT.UnsubscribeMQTT(mySocket, subTopics, topicQoS, numTopics);
// go to sleep until the interrupt or the timer wakes us
// (mylistenerThread is in a seperate thread that continues)
Thread.Sleep(Timeout.Infinite);
}
// The function that the timer calls to ping the server
// Our keep alive is 15 seconds - we ping again every 10.
// So we should live forever.
static void pingIt(object o)
{
Debug.Print("pingIT");
NetduinoMQTT.PingMQTT(mySocket);
}
// The thread that listens for inbound messages
private static void mylistenerThread()
{
NetduinoMQTT.listen(mySocket);
}
// the interrupt handler for the button
static void button_OnInterrupt(uint data1, uint data2, DateTime time)
{
// Send our message
NetduinoMQTT.PublishMQTT(mySocket, "test", "Ow! Quit it!");
return;
}
