private void ADS1115ReadValuesNative(byte busId, byte i2cAddress, byte[] configDataChunk, byte[] convertDataChunk)
{
System.Device.I2c.I2cConnectionSettings address = new System.Device.I2c.I2cConnectionSettings(busId, i2cAddress);
System.Device.I2c.Drivers.UnixI2cDevice ads1115 = new System.Device.I2c.Drivers.UnixI2cDevice(address);
var buffer = new byte[2];
// Write config register to the ADC
ads1115.Write(configDataChunk);
ads1115.WriteByte(ADS1115.ADS1115_REG_POINTER_CONFIG);
ads1115.Read(buffer);
//var currentConfig = ToWord(buffer);
//Console.WriteLine($"New configuration: {currentConfig.ToString("X")}");
DateTime firstDataRead = DateTime.UtcNow;
while (true)
{
// Read the conversion results
ads1115.Write(convertDataChunk);
ads1115.Read(buffer);
ushort result = ToWord(buffer);
float voltage = (float)(result < 32768 ? result : -(65536 - result)) * 2.048f / 65536.0f;
j++;
if (j % 1000 == 0)
{
Console.WriteLine(String.Format("| ADC value: {0,5} V | sample rate: {1,7} SPS |", voltage.ToString("N", CultureInfo.InvariantCulture), ((double)j / (DateTime.UtcNow - firstDataRead).TotalSeconds).ToString("N")));
}
}
}
private void ReadDeviceRegisters()
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append(" 0 1 2 3 4 5 6 7 8 9 a b c d e f");
stringBuilder.Append(Environment.NewLine);
var connectionSettings = new I2cConnectionSettings(BusId, DeviceAddress);
using (var i2cDevice = new System.Device.I2c.Drivers.UnixI2cDevice(connectionSettings))
{
for (int startingRowAddress = 0; startingRowAddress < 255; startingRowAddress += 16)
{
stringBuilder.Append($"{startingRowAddress:x2}: "); // Beginning of row.
for (int rowAddress = 0; rowAddress < 16; rowAddress++)
{
int registerAddress = startingRowAddress + rowAddress;
// Skip the unwanted addresses.
if (registerAddress < FirstRegister || registerAddress > LastRegister)
{
stringBuilder.Append(" ");
continue;
}
i2cDevice.WriteByte((byte)registerAddress);
byte data = i2cDevice.ReadByte();
stringBuilder.Append($"{data:x2} ");
}
stringBuilder.Append(Environment.NewLine);
}
}
Console.WriteLine(stringBuilder.ToString());
}
