protected override void Write(Stm32Command command, ushort data, bool dataAvailable)
{
if (dataAvailable)
{
_gpioExpander.WriteAddressWord(Unsafe.As <Stm32Command, byte>(ref command), data);
}
else
{
_gpioExpander.Write(Unsafe.As <Stm32Command, byte>(ref command));
}
}
private void ADS1115ReadValuesWiringPi(byte busId, byte i2cAddress, byte[] configDataChunk, byte[] convertDataChunk)
{
Pi.Init <BootstrapWiringPi>();
II2CDevice ads1115 = Pi.I2C.AddDevice(i2cAddress);
var configWord = (ushort)((configDataChunk[2] << 8) + configDataChunk[1]);
// Write config register to the ADC
//var currentConfig = ads1115.ReadAddressWord(ADS1115.ADS1115_REG_POINTER_CONFIG);
//Console.WriteLine($"Setting original configuration ({currentConfig.ToString("X")}) to {config.ToString("X")}");
ads1115.WriteAddressWord(configDataChunk[0], configWord);
//currentConfig = ads1115.ReadAddressWord(ADS1115.ADS1115_REG_POINTER_CONFIG);
//Console.WriteLine($"New configuration: {currentConfig.ToString("X")}");
DateTime firstDataRead = DateTime.UtcNow;
while (true)
{
// Read the conversion results
ushort result = (ushort)(ads1115.ReadAddressWord(convertDataChunk[0]));
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")));
}
}
}
public void Write(int adress, ushort command) //for leds
{
try
{
_device.WriteAddressWord(adress, command);
I2CGlobalError = false;
}
catch (Unosquare.RaspberryIO.Abstractions.Native.HardwareException)
{
I2CGlobalError = true;
}
}
/// <summary>
/// Write to the I2C register, ADS1x15 is byte swapped.
/// </summary>
/// <param name="registery">register address to write to</param>
/// <param name="value">value to set</param>
private void WriteRegister(byte registery, ushort value)
{
device.WriteAddressWord(registery, SwapWord(value));
}
/// <summary>
/// Write to the I2C register, ADS1x15 is byte swapped.
/// </summary>
/// <param name="registery">register address to write to</param>
/// <param name="value">value to set</param>
public static void WriteAddressWordSwapped(this II2CDevice device, byte registery, ushort value)
{
device.WriteAddressWord(registery, SwapWord(value));
}