public void Run(IBackgroundTaskInstance taskInstance)
{
_deferral = taskInstance.GetDeferral(); // get the deferral handle
int count = 0;
MAX7219 driver = new MAX7219(2);
SevenSegmentDisplay ssd = new SevenSegmentDisplay(driver);
BMP180 bmp = new BMP180(BMP180.Mode.HIGHRES);
ssd.FrameClear();
ssd.FrameDraw();
ssd.SetBrightness(4);
while (true)
{
temperature = bmp.Temperature.DegreesCelsius;
data.Clear();
// is temperature less than 3 digits and there is a decimal part too then right pad to 5 places as decimal point does not take up a digit space on the display
if (temperature < 100 && temperature != (int)temperature)
{
data.Append($"{Math.Round(temperature, 1)}C".PadRight(5));
}
else
{
data.Append($"{Math.Round(temperature, 0)}C".PadRight(4));
}
data.Append(Math.Round(bmp.Pressure.Hectopascals, 0));
if (blink = !blink)
{
data.Append(".");
} // add a blinking dot on bottom right as an I'm alive indicator
ssd.DrawString(data.ToString());
ssd.DrawString(count++, 1);
ssd.FrameDraw();
Task.Delay(2000).Wait();
}
}
private async Task InitDisplay()
{
/* Initialize the display */
try
{
var driver = new MAX7219(2);
ssd = new SevenSegmentDisplay(driver);
ssd.FrameClear();
ssd.FrameDraw();
ssd.SetBrightness(10);
await SerialWriteAsync("Starting...");
}
catch (Exception ex)
{
throw new Exception("Display Initialization Failed", ex);
}
}
public static void Main()
{
daq.Initialize(GoSockets.Socket4);
var state = daq.GetClockState();
if (state == NwazetDAQ.ClockState.Invalid)
{
daq.SetDateTime(new DateTime(2012, 10, 05, 20, 39, 00));
}
var usartConfig = new UsartConfig();
usartConfig.BaudRate = UsartBaudRate.Baud57600;
daq.UsartPort.SetConfig(usartConfig);
daq.UsartPort.Write("\r\n\r\nNwazet DAQ Pro Kit - demo\r\n");
canvas.Initialize(GoSockets.Socket5);
canvas.SetOrientation(Orientation.Landscape);
InitDisplay();
seg.SetBrightness(.1f);
seg.SetColon(true);
while (true)
{
var hih = new HIH613x(daq.I2cPort);
var bmp085 = new BoschBmp085(daq.I2cPort);
var taos = new TaosTSL256x(daq.I2cPort);
var pressure = 0;
AdcSample sample = null;
try {
while (true)
{
try {
seg.SetBrightness(pot.GetValue());
sample = daq.ReadAnalogInputs();
ShowTime(sample.Time);
hih.Read();
pressure = bmp085.ReadPressurePascals();
taos.Read();
} catch (I2cException e) {
Debug.Print("I2C transaction failed: " + e.Message);
daq.I2cPort.BusReset();
}
UpdateDisplay(hih.TemperatureCelsius, hih.RelativeHumidityPercent, pressure, taos.Lux, taos.InfraredSpectrum, sample);
daq.UsartPort.Write(
sample.Time.ToString() + "," +
hih.TemperatureCelsius + "," +
hih.RelativeHumidityPercent + "," +
pressure + "," +
taos.Lux + "," +
taos.InfraredSpectrum + "," +
sample.Values[(int)ADC.A0].ToString()
+ "\r\n");
}
} catch (Exception e) {
Debug.Print("Other exception: " + e.Message);
hih.Dispose();
bmp085.Dispose();
taos.Dispose();
}
}
}
