public void Init()
{
Console.WriteLine("Init...");
sensor = new Bh1745(Device.CreateI2cBus());
rgbLed = new RgbPwmLed(
Device,
Device.Pins.OnboardLedRed,
Device.Pins.OnboardLedGreen,
Device.Pins.OnboardLedBlue,
commonType: CommonType.CommonAnode);
}
static void Main(string[] args)
{
// bus id on the raspberry pi 3
const int busId = 1;
// create device
var i2cSettings = new I2cConnectionSettings(busId, Bh1745.DefaultI2cAddress);
var i2cDevice = I2cDevice.Create(i2cSettings);
using (var i2cBh1745 = new Bh1745(i2cDevice))
{
// multipliers affect the compensated values
i2cBh1745.ChannelCompensationMultipliers.Red = 2.5;
i2cBh1745.ChannelCompensationMultipliers.Green = 0.9;
i2cBh1745.ChannelCompensationMultipliers.Blue = 1.9;
i2cBh1745.ChannelCompensationMultipliers.Clear = 9.5;
// set custom measurement time
i2cBh1745.MeasurementTime = MeasurementTime.Ms1280;
// interrupt functionality is detailed in the datasheet
// Reference: https://www.mouser.co.uk/datasheet/2/348/bh1745nuc-e-519994.pdf (page 13)
i2cBh1745.LowerInterruptThreshold = 0xABFF;
i2cBh1745.HigherInterruptThreshold = 0x0A10;
i2cBh1745.LatchBehavior = LatchBehavior.LatchEachMeasurement;
i2cBh1745.InterruptPersistence = InterruptPersistence.UpdateMeasurementEnd;
i2cBh1745.InterruptIsEnabled = true;
// wait for first measurement
Task.Delay(i2cBh1745.MeasurementTime.ToMilliseconds()).Wait();
while (true)
{
var color = i2cBh1745.GetCompensatedColor();
if (!i2cBh1745.ReadMeasurementIsValid())
{
Console.WriteLine("Measurement was not valid!");
continue;
}
Console.WriteLine("RGB color read: #{0:X2}{1:X2}{2:X2}", color.R, color.G, color.B);
Console.WriteLine($"Raw illumination value: {i2cBh1745.ReadClearDataRegister()}");
Task.Delay(i2cBh1745.MeasurementTime.ToMilliseconds()).Wait();
}
}
}
static void Main(string[] args)
{
// bus id on the raspberry pi 3
const int busId = 1;
// create device
var i2cSettings = new I2cConnectionSettings(busId, Bh1745.DefaultI2cAddress);
var i2cDevice = I2cDevice.Create(i2cSettings);
using var i2cBh1745 = new Bh1745(i2cDevice);
// wait for first measurement
Task.Delay(i2cBh1745.MeasurementTime.ToMilliseconds()).Wait();
while (true)
{
var color = i2cBh1745.GetCompensatedColor();
Console.WriteLine("RGB color read: #{0:X2}{1:X2}{2:X2}", color.R, color.G, color.B);
Console.WriteLine($"Raw illumination value: {i2cBh1745.ReadClearDataRegister()}");
Task.Delay(i2cBh1745.MeasurementTime.ToMilliseconds()).Wait();
}
}
