public void Run(IBackgroundTaskInstance taskInstance)
{
// Connect the Ultrasonic Sensor to digital port 4
IUltrasonicRangerSensor sensor = DeviceFactory.Build.UltraSonicSensor(Pin.DigitalPin4);
// Loop endlessly
while (true)
{
Task.Delay(100).Wait(); //Delay 0.1 second
try
{
// Check the value of the Ultrasonic Sensor
string sensorvalue = sensor.MeasureInCentimeters().ToString();
System.Diagnostics.Debug.WriteLine("Ultrasonic reads " + sensorvalue);
}
catch (Exception ex)
{
// NOTE: There are frequent exceptions of the following:
// WinRT information: Unexpected number of bytes was transferred. Expected: '. Actual: '.
// This appears to be caused by the rapid frequency of writes to the GPIO
// These are being swallowed here/
// If you want to see the exceptions uncomment the following:
// System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
}
private void InitGrovePi()
{
System.Diagnostics.Debug.WriteLine(DeviceFactory.Build.GrovePi().GetFirmwareVersion());
GroveRotary = DeviceFactory.Build.RotaryAngleSensor(Pin.AnalogPin0);
GroveSound = DeviceFactory.Build.SoundSensor(Pin.AnalogPin1);
GroveLight = DeviceFactory.Build.LightSensor(Pin.AnalogPin2);
GroveRelay = DeviceFactory.Build.Relay(Pin.DigitalPin2);
GroveTempHumi = DeviceFactory.Build.DHTTemperatureAndHumiditySensor(Pin.DigitalPin3, DHTModel.Dht11);
GroveRanger = DeviceFactory.Build.UltraSonicSensor(Pin.DigitalPin4);
GroveLedBar = DeviceFactory.Build.BuildLedBar(Pin.DigitalPin5);
GroveBuzzer = DeviceFactory.Build.Buzzer(Pin.DigitalPin6);
GroveButton = DeviceFactory.Build.ButtonSensor(Pin.DigitalPin7);
GroveLCD = DeviceFactory.Build.RgbLcdDisplay();
GroveLedBar.Initialize(GrovePi.Sensors.Orientation.GreenToRed);
GroveLCD.SetBacklightRgb(255, 50, 255);
DeviceFactory.Build.GrovePi().PinMode(Pin.DigitalPin2, PinMode.Output);
Delay.Milliseconds(10);
DeviceFactory.Build.GrovePi().Flush();
DeviceFactory.Build.GrovePi().PinMode(Pin.DigitalPin6, PinMode.Output);
Delay.Milliseconds(10);
DeviceFactory.Build.GrovePi().Flush();
}
private async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
sendingPhoto = false;
panicLed = DeviceFactory.Build.Led(Pin.DigitalPin2);
infoLed = DeviceFactory.Build.Led(Pin.DigitalPin4);
ranger = DeviceFactory.Build.UltraSonicSensor(Pin.DigitalPin3);
screen = DeviceFactory.Build.RgbLcdDisplay();
screen.SetText("setting up...");
screen.SetBacklightRgb(0, 0, 200);
// init mode -> Both Led's are on
panicLed.ChangeState(SensorStatus.On);
infoLed.ChangeState(SensorStatus.On);
// init camera
camera = new UsbCamera();
var initWorked = await camera.InitializeAsync();
// Something went wrong
if (!initWorked || ranger.MeasureInCentimeters() == -1)
{
infoLed.ChangeState(SensorStatus.Off);
screen.SetText("Camera or Sensor not connected!");
screen.SetBacklightRgb(200, 0, 0);
blink(panicLed);
return;
}
// init photobackend
Microsoft.WindowsAzure.Storage.Auth.StorageCredentials credentials = new Microsoft.WindowsAzure.Storage.Auth.StorageCredentials(accountName, accountKey);
//credentials.UpdateSASToken("?sv=2015-04-05&ss=b&srt=sco&sp=rwlac&se=2016-11-20T04:05:54Z&st=2016-11-12T20:05:54Z&spr=https,http&sig=B0zDabRXoO7LfWy5iACsn0sHOnWzvmmrDv8fAqITPgI%3D");
CloudStorageAccount acc = new CloudStorageAccount(credentials, true);
CloudBlobClient client = acc.CreateCloudBlobClient();
container = client.GetContainerReference("picture-storage");
previewElement.Source = camera.MediaCaptureInstance;
await camera.StartCameraPreview();
// init finished - turn off panic Led
infoLed.ChangeState(SensorStatus.Off);
panicLed.ChangeState(SensorStatus.Off);
screen.SetText("");
screen.SetBacklightRgb(0, 0, 0);
DispatcherTimer mainThread = new DispatcherTimer();
mainThread.Interval = TimeSpan.FromSeconds(0.5);
mainThread.Tick += run;
mainThread.Start();
}
public Pi()
{
var builder = DeviceFactory.Build;
_display = builder.RgbLcdDisplay();
_light = builder.LightSensor(Pin.AnalogPin0);
_led = builder.Led(Pin.DigitalPin7);
//_temp = builder.TemperatureAndHumiditySensor(Pin.AnalogPin1, TemperatureAndHumiditySensorModel.DHT11);
_ultrasonicRanger = builder.UltraSonicSensor(Pin.DigitalPin3);
_button = builder.ButtonSensor(Pin.DigitalPin2);
//_buzzer = builder.Buzzer(Pin.DigitalPin3);
}
public MainPage()
{
InitializeComponent();
_goPiGo = DeviceFactory.Build.BuildGoPiGo();
_goPiGo.MotorController().EnableServo();
_devices = DeviceFactory.Build.BuildUltraSonicSensor(Pin.Trigger);
System.Diagnostics.Debug.WriteLine("Start Listener");
ServerSocketConnection.StartListener();
ServerSocketConnection.NewMessageReady += SendCommand;
Loaded += MainPage_Loaded;
}
public void Run(IBackgroundTaskInstance taskInstance)
{
// LCD - This screen is I2C
IRgbLcdDisplay LCD = DeviceFactory.Build.RgbLcdDisplay();
LCD.SetBacklightRgb(255, 255, 255);
LCD.SetText("Hello world!"); // Not sure what colour this will show up in
// LEDs
ILed red = DeviceFactory.Build.Led(Pin.DigitalPin2);
ILed blue = DeviceFactory.Build.Led(Pin.DigitalPin3);
// Ultrasonic
IUltrasonicRangerSensor Ultrasonic = DeviceFactory.Build.UltraSonicSensor(Pin.DigitalPin4);
// Temperature and Humidity
// TODO: Double check Sensor model number. Assumed DHT11 from the GrovePi+ Starter Kit
IDHTTemperatureAndHumiditySensor tempHumidity = DeviceFactory.Build.DHTTemperatureAndHumiditySensor(Pin.DigitalPin5, DHTModel.Dht11);
// Sound sensor
ISoundSensor Sound = DeviceFactory.Build.SoundSensor(Pin.AnalogPin0);
// LDR
IRotaryAngleSensor LDR = DeviceFactory.Build.RotaryAngleSensor(Pin.AnalogPin1);
while (true)
{
Task.Delay(100).Wait();
try
{
// Ultrasonic sensor
int distance = Ultrasonic.MeasureInCentimeters();
Debug.WriteLine("Distance: " + distance.ToString());
// TODO - tune to distance of door
//if(distance < 50)
// LDR
int lightLevel = LDR.SensorValue();
Debug.WriteLine("Light Level: " + lightLevel.ToString());
// LEDs
red.ChangeState(SensorStatus.On);
blue.ChangeState(SensorStatus.On);
// Temperature Humidity
tempHumidity.Measure();
double temp_degC = tempHumidity.TemperatureInCelsius;
double humidity = tempHumidity.Humidity;
Debug.WriteLine("Temperature: " + temp_degC + "\tHumidity: " + humidity);
// Sound sensor
int soundLevel = Sound.SensorValue();
Debug.WriteLine("Sound Level: " + soundLevel);
// TODO: Send data to Azure
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
private void InitGrovePi()
{
System.Diagnostics.Debug.WriteLine(DeviceFactory.Build.GrovePi().GetFirmwareVersion());
GroveRotary = DeviceFactory.Build.RotaryAngleSensor(Pin.AnalogPin0);
GroveSound = DeviceFactory.Build.SoundSensor(Pin.AnalogPin1);
GroveLight = DeviceFactory.Build.LightSensor(Pin.AnalogPin2);
GroveRelay = DeviceFactory.Build.Relay(Pin.DigitalPin2);
GroveTempHumi = DeviceFactory.Build.DHTTemperatureAndHumiditySensor(Pin.DigitalPin3, DHTModel.Dht11);
GroveRanger = DeviceFactory.Build.UltraSonicSensor(Pin.DigitalPin4);
GroveLedBar = DeviceFactory.Build.BuildLedBar(Pin.DigitalPin5);
GroveBuzzer = DeviceFactory.Build.Buzzer(Pin.DigitalPin6);
GroveButton = DeviceFactory.Build.ButtonSensor(Pin.DigitalPin7);
GroveLCD = DeviceFactory.Build.RgbLcdDisplay();
GroveLedBar.Initialize(GrovePi.Sensors.Orientation.GreenToRed);
GroveLCD.SetBacklightRgb(255, 50, 255);
DeviceFactory.Build.GrovePi().PinMode(Pin.DigitalPin2, PinMode.Output);
Delay.Milliseconds(10);
DeviceFactory.Build.GrovePi().Flush();
DeviceFactory.Build.GrovePi().PinMode(Pin.DigitalPin6, PinMode.Output);
Delay.Milliseconds(10);
DeviceFactory.Build.GrovePi().Flush();
}
