public Double GetADVoltage(int sensorId)
{
double measuredVoltage = 5.0;
double adSteps = 255;
double result = 0.0;
byte buffer;
try
{
myDevice.Write((byte)(0x40 | (sensorId & 3)));
//this has the goods onthe second read, without this, you get bleedover to other sensor reads.
myDevice.Read();
buffer = (byte)myDevice.Read();
short unsignedValue = (short)((short)0x00FF & buffer);
result = unsignedValue * measuredVoltage / adSteps;
}
catch (Exception e)
{
Console.WriteLine("AD read error: " + e.Message);
}
return(result);
}
public int Begin(int address)
{
if (_i2cDevice == null)
{
var adci2cConfig = new FtChannelConfig
{
ClockRate = ConnectionSpeed,
LatencyTimer = LatencyTimer
};
if (_i2cDevice == null)
{
_i2cDevice = new I2CDevice(adci2cConfig, address);
var b = _i2cDevice.Read(1);
if (b == null)
{
Debugger.Break();
}
_shadow = Convert.ToInt32(b[0]);
_initialised = true;
}
}
return(1);
}
public int Begin(int address)
{
if (_i2cDevice == null)
{
var adci2cConfig = new FtChannelConfig
{
ClockRate = ConnectionSpeed,
LatencyTimer = LatencyTimer
};
if (_i2cDevice == null)
{
_i2cDevice = new I2CDevice(adci2cConfig, address);
var b = _i2cDevice.Read(1);
if (b == null)
{
Debugger.Break();
}
_shadow = Convert.ToInt32(b[0]);
_initialised = true;
}
}
return 1;
}
static void Main(string[] args)
{
Console.WriteLine("Test of SHT31-D and armbianI2Clib");
try
{
using (var device = new I2CDevice("/dev/i2c-0", 0x44))
{
Console.WriteLine("init complete");
device.Write(new byte[] { 0x24, 0x00 }, 2);
Thread.Sleep(100);
Console.WriteLine("write complete");
var readBuff = device.Read(3);
Console.WriteLine($"Read count: {readBuff.Length}");
Console.WriteLine($"Read 1:{readBuff[0]}, 2:{readBuff[1]}, 3:{readBuff[2]}");
Console.WriteLine($"Temp: {CalcTemp(readBuff[0], readBuff[1])}C");
}
}
catch (Exception ex)
{
Console.WriteLine($"Exception: {ex.Message}");
}
Console.WriteLine("END");
}
public int GetNumSensors(I2CDevice device)
{
device.Write(0x01);
int numSensors = device.Read();
return(numSensors);
}
public IDictionary <int, int> GetRanges()
{
var ranges = new Dictionary <int, int>();
var numSamples = _device.ReadAddressByte(RANGE_REGISTER);
var sampleData = _device.Read(numSamples * 2);
for (int i = 0; i < sampleData.Length; i += 2)
{
ranges[sampleData[i]] = sampleData[i + 1];
}
return(ranges);
}
private Vector ReadRawGyro()
{
_device.Write(MPU6050_REG_GYRO_XOUT_H);
var data = _device.Read(6);
int xha = data[0];
int xla = data[1];
int yha = data[2];
int yla = data[3];
int zha = data[4];
int zla = data[5];
return(new Vector
{
XAxis = xha << 8 | xla,
YAxis = yha << 8 | yla,
ZAxis = zha << 8 | zla
});
}
