async void NotifyTemperature(GattCharacteristic sender, GattValueChangedEventArgs args)
{
byte[] rawData = BLE_Utilities.getDataBytes(args);
float temp = SensorConvert.convertTemperature(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setTemperature(temp)));
}
//## Magnetometer
async Task ReadMagnetometer()
{
byte[] rawData = await BLE_Utilities.ReadData(Sensor.Accelerometer);
float[] vals = SensorConvert.convertAccelerometer(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setMagnetometer(vals[0], vals[1], vals[2])));
}
async void NotifyHumidity(GattCharacteristic sender, GattValueChangedEventArgs args)
{
byte[] rawData = BLE_Utilities.getDataBytes(args);
float acthum = SensorConvert.convertHumidity(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setHumidity(acthum)));
}
//## Gyroscope
async Task ReadGyroscope()
{
byte[] rawData = await BLE_Utilities.ReadData(Sensor.Gyroscope);
float[] vals = SensorConvert.convertGyroscope(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setGyroscope(vals[0], vals[1], vals[2])));
}
//##Temperature
async Task ReadTemperature()
{
byte[] rawData = await BLE_Utilities.ReadData(Sensor.Temperature);
float temp = SensorConvert.convertTemperature(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setTemperature(temp)));
}
//## Humidity
async Task ReadHumidity()
{
byte[] rawData = await BLE_Utilities.ReadData(Sensor.Humidity);
float acthum = SensorConvert.convertHumidity(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setHumidity(acthum)));
}
//Buttons
async void notifyButton(GattCharacteristic sender, GattValueChangedEventArgs args)
{
byte[] data = BLE_Utilities.getDataBytes(args);
//My method is actually " setButton setButtons(data[0]) "
//But if you want to change ANYTHING in the UI you have to wrap
//like I did below.
await this.Dispatcher.BeginInvoke((Action)(() => setButtons(data[0])));
}
private async Task DisableSensors()
{
await BLE_Utilities.DisableSensor(Sensor.Accelerometer);
await BLE_Utilities.DisableSensor(Sensor.Gyroscope);
await BLE_Utilities.DisableSensor(Sensor.Temperature);
await BLE_Utilities.DisableSensor(Sensor.Magnetometer);
await BLE_Utilities.DisableSensor(Sensor.Pressure);
await BLE_Utilities.DisableSensor(Sensor.Humidity);
}
/// <summary>
/// An event handler that keeps the onChange eventListener of the different sensors alive.
/// </summary>
/// <param name="sender"> a timer object</param>
/// <param name="e"> </param>
private async void refreshNotifications(object sender, ElapsedEventArgs e)
{
if (notificationsEnabled)
{
await BLE_Utilities.executeOnNotification(Sensor.Keys, notifyButton);
await BLE_Utilities.executeOnNotification(Sensor.Accelerometer, NotifyAccelerometer);
await BLE_Utilities.executeOnNotification(Sensor.Humidity, NotifyHumidity);
await BLE_Utilities.executeOnNotification(Sensor.Gyroscope, NotifyGyroscope);
await BLE_Utilities.executeOnNotification(Sensor.Magnetometer, NotifyMagnetometer);
await BLE_Utilities.executeOnNotification(Sensor.Temperature, NotifyTemperature);
}
}
//#EVENT LISTENERS FOR GUI COMPONENTS
private async void buttonEnableNotifications_Click(object sender, RoutedEventArgs e)
{
notificationsEnabled = !notificationsEnabled;
if (notificationsEnabled)
{
buttonEnableNotifications.Content = "Disable Notifications";
Title = "Demo - Notifications [On]";
await BLE_Utilities.executeOnNotification(Sensor.Keys, notifyButton);
await BLE_Utilities.executeOnNotification(Sensor.Accelerometer, NotifyAccelerometer);
await BLE_Utilities.executeOnNotification(Sensor.Humidity, NotifyHumidity);
await BLE_Utilities.executeOnNotification(Sensor.Gyroscope, NotifyGyroscope);
await BLE_Utilities.executeOnNotification(Sensor.Magnetometer, NotifyMagnetometer);
await BLE_Utilities.executeOnNotification(Sensor.Pressure, NotifyPressure);
await BLE_Utilities.executeOnNotification(Sensor.Temperature, NotifyTemperature);
}
else
{
Title = "Demo - Notifications [Off]";
buttonEnableNotifications.Content = "Enable Notifications";
await BLE_Utilities.dispose(Sensor.Keys);
await BLE_Utilities.dispose(Sensor.Accelerometer);
await BLE_Utilities.dispose(Sensor.Humidity);
await BLE_Utilities.dispose(Sensor.Gyroscope);
await BLE_Utilities.dispose(Sensor.Magnetometer);
await BLE_Utilities.dispose(Sensor.Pressure);
await BLE_Utilities.dispose(Sensor.Temperature);
}
}
async void NotifyMagnetometer(GattCharacteristic sender, GattValueChangedEventArgs args)
{
byte[] rawData = BLE_Utilities.getDataBytes(args);
float[] vals = SensorConvert.convertAccelerometer(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setMagnetometer(vals[0], vals[1], vals[2])));
}
