/// <summary>
/// Helper function for updating the user interface.
/// </summary>
private void UpdateUI()
{
// Read the temperature sensor.
// Make sure the sensor object is valid.
if (_sensor == null)
{
_sensor = new SpiTemperatureSensor();
}
// Read the value from the sensor.
double temp = _sensor.ReadTemperature();
if (_tempMode == TempMode.Fahrenheit)
{
temp = (temp * 1.8) + 32;
}
// Round off the value so it will match the emulator, because of
// rounding errors during Celsius conversion.
temp = System.Math.Round(temp);
// Set the current temperature text control value based on the
// temperature mode of celcius or fahrenheit
if (_tempMode == TempMode.Celcius)
{
_textCurrentTemp.TextContent = temp.ToString() + " C";
_textTargetTemp.TextContent = _targetTemp.ToString() + " C";
}
else
{
_textCurrentTemp.TextContent = temp.ToString() + " F";
_textTargetTemp.TextContent = _targetTemp.ToString() + " F";
}
// See if we need to turn on the heater or cooler.
if (temp > _targetTemp)
{
// Turn on the cooler.
_statusIndicator.Status = StatusIndicator.StatusType.Cool;
}
else if (temp < _targetTemp)
{
// Turn on the heater.
_statusIndicator.Status = StatusIndicator.StatusType.Heat;
}
else
{
// Turn off both.
_statusIndicator.Status = StatusIndicator.StatusType.Off;
}
}
/// <summary>
/// Helper function for updating the user interface.
/// </summary>
private void UpdateUI()
{
// Read the temperature sensor.
// Make sure the sensor object is valid.
if (_sensor == null)
_sensor = new SpiTemperatureSensor();
// Read the value from the sensor.
double temp = _sensor.ReadTemperature();
if (_tempMode == TempMode.Fahrenheit)
temp = (temp * 1.8) + 32;
// Round off the value so it will match the emulator, because of
// rounding errors during Celsius conversion.
temp = System.Math.Round(temp);
// Set the current temperature text control value based on the
// temperature mode of celcius or fahrenheit
if (_tempMode == TempMode.Celcius)
{
_textCurrentTemp.TextContent = temp.ToString() + " C";
_textTargetTemp.TextContent = _targetTemp.ToString() + " C";
}
else
{
_textCurrentTemp.TextContent = temp.ToString() + " F";
_textTargetTemp.TextContent = _targetTemp.ToString() + " F";
}
// See if we need to turn on the heater or cooler.
if (temp > _targetTemp)
{
// Turn on the cooler.
_statusIndicator.Status = StatusIndicator.StatusType.Cool;
}
else if (temp < _targetTemp)
{
// Turn on the heater.
_statusIndicator.Status = StatusIndicator.StatusType.Heat;
}
else
{
// Turn off both.
_statusIndicator.Status = StatusIndicator.StatusType.Off;
}
}