/// <summary>
/// Reading temperature in desired format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public override double ReadTemperature(TemperatureFormat format)
{
I2CDevice.I2CTransaction[] i2cTx = new I2CDevice.I2CTransaction[2];
byte[] register = new byte[1];
byte[] data = new byte[2];
register[0] = TEMPERATURE_REG_ADDR;
i2cTx[0] = I2CDevice.CreateWriteTransaction(register);
i2cTx[1] = I2CDevice.CreateReadTransaction(data);
int result = i2cDevice.Execute(i2cTx, TIMEOUT);
//converting 12-bit temperature to double
int rawTemperature = (data[0] << 4) | (data[1] >> 4);
double temperature = 0;
if (register.Length + data.Length == result)
{
if ((rawTemperature & 0x0800) > 0)
{
rawTemperature = (rawTemperature ^ 0xffff) + 1;
temperature = -1;
}
temperature *= rawTemperature * 0.0625f;
}
return(temperature + ((format == TemperatureFormat.KELVIN) ? 273.15 : 0.0));
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
TemperatureFormat format = (TemperatureFormat)value;
if (format == TemperatureFormat.Celsius)
{
return(Visibility.Visible);
}
return(Visibility.Collapsed);
}
public static float convertTemperature(float kTemp, TemperatureFormat format)
{
if (format == TemperatureFormat.Fahrenheit)
{
return(1.8f * (kTemp - 273.15f) + 32.0f);
}
else if (format == TemperatureFormat.Celsius)
{
return(kTemp - 273.15f);
}
return(kTemp);
}
public override int GetHashCode()
{
unchecked
{
int hash = 17;
hash = hash * 23 + Humidity.GetHashCode();
hash = hash * 23 + IconUrl.GetHashCode();
hash = hash * 23 + Pressure.GetHashCode();
hash = hash * 23 + Temperature.GetHashCode();
hash = hash * 23 + TemperatureFormat.GetHashCode();
hash = hash * 23 + WeatherDescription.GetHashCode();
hash = hash * 23 + WindSpeed.GetHashCode();
return(hash);
}
}
public Temperature(double temperature, TemperatureFormat format)
{
TemperatureServices temperatureServices = new TemperatureServices();
switch (format)
{
case TemperatureFormat.Fahrenheit:
fahrenheit = temperature;
celsius = temperatureServices.ConvertFahrenheitToCelsuis(fahrenheit);
break;
case TemperatureFormat.Celsius:
celsius = temperature;
fahrenheit = temperatureServices.ConvertCelsiusToFahrenheit(celsius);
break;
}
}
public override void SetDefaults()
{
activeTemperatureFormat = TemperatureFormat.Fahrenheit;
activeSkinName = "Light Blue";
activeFontName = defaultFont.Name;
}
public HourlyChartViewModel(TemperatureFormat temperatureFormat)
{
this.temperatureFormat = temperatureFormat;
SeriesCollection = new SeriesCollection();
}
/// <summary> /// Function reading temperature in desired format /// </summary> /// <param name="format"></param> /// <returns></returns> public abstract double ReadTemperature(TemperatureFormat format);
/// <summary>
/// Reading temperature - 0 mV + 10mv\*C
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public override double ReadTemperature(TemperatureFormat format)
{
return(temperatureInput.Read() * 100
+ ((format == TemperatureFormat.KELVIN) ? 273.15 : 0.0));
}
public ConverterValueContext(TemperatureFormat tempFormat, PropertyName property)
{
this.TempFormat = tempFormat;
this.Property = property;
}
/// <summary>
/// Reading temperature
/// </summary>
/// <param name="format"> desired format</param>
/// <returns></returns>
public override double ReadTemperature(TemperatureFormat format)
{
int rawTemperature = 0;
//if tere is only one device
if (address == null)
{
if (oneWire.TouchReset() > 0)
{
oneWire.WriteByte((int)OneWireCommands.SkipRom);
oneWire.WriteByte((int)OneWireCommands.MeasureTemperature);
while (oneWire.ReadByte() == 0)
{
;
}
oneWire.TouchReset();
oneWire.WriteByte((int)OneWireCommands.SkipRom);
oneWire.WriteByte((int)OneWireCommands.ReadRom);
rawTemperature = (UInt16)((UInt16)oneWire.ReadByte() | (UInt16)(oneWire.ReadByte() << 8));
}
else
{
throw new Exception("Device not found");
}
}
//else if there is device address provided
else
{
bool match = false;
byte[] found = null;
//find device with provided address
var devices = oneWire.FindAllDevices();
foreach (byte[] codes in devices)
{
match = true;
for (int i = 0; i < codes.Length; i++)
{
if (codes[i] != address[i])
{
match = false;
break;
}
}
if (match)
{
found = codes;
break;
}
}
if (found == null)
{
throw new Exception("Device with specified address not found");
}
else
{
if (oneWire.TouchReset() > 0)
{
oneWire.WriteByte((int)OneWireCommands.MatchRom);
foreach (byte codePart in found)
{
oneWire.WriteByte((int)codePart);
}
oneWire.WriteByte((int)OneWireCommands.MeasureTemperature);
while (oneWire.ReadByte() == 0)
{
;
}
oneWire.WriteByte((int)OneWireCommands.MatchRom);
foreach (byte codePart in found)
{
oneWire.WriteByte((int)codePart);
}
oneWire.WriteByte((int)OneWireCommands.ReadRom);
rawTemperature = (UInt16)((UInt16)oneWire.ReadByte() | (UInt16)(oneWire.ReadByte() << 8));
}
}
}
//conversion
double result = 1;
if ((rawTemperature & 0x8000) > 0)
{
rawTemperature = (rawTemperature ^ 0xffff) + 1;
result = -1;
}
result *= (6 * rawTemperature + rawTemperature / 4) / 100;
return(result + ((format == TemperatureFormat.KELVIN) ? 273.15 : 0.0));
}