/// <summary>
/// Sets all pins to low level.
/// </summary>
/// <param name="expander">Object of type IGpioExpander.</param>
/// <exception cref="ArgumentNullException">Object of type IGpioExpander is null.</exception>
public static void DigitalPortLowLevel(this GpioExpander expander)
{
if (expander is null)
{
throw ThrowHelper.ArgumentNullException(nameof(expander));
}
expander.DigitalWritePort(0);
}
/// <summary>
/// Fixes click of the TroykaButton.
/// </summary>
/// <param name="expander">Object of type IGpioExpander.</param>
/// <param name="pin">Pin number.</param>
/// <returns>True - click, False - not click.</returns>
/// <exception cref="ArgumentNullException">Object of type IGpioExpander is null.</exception>
public static bool TroykaButtonClick(this GpioExpander expander, int pin)
{
if (expander is null)
{
throw ThrowHelper.ArgumentNullException(nameof(expander));
}
return(!expander.DigitalRead(pin));
}
private static void AddressOrReset()
{
Console.WriteLine("Enter 1 or 2 to select a mode:\n1. Change address.\n2. Reset chip.");
if (int.TryParse(Console.ReadLine(), out int mode))
{
switch (mode)
{
case 1:
{
Console.WriteLine("Enter a new address:");
if (ushort.TryParse(Console.ReadLine(), out ushort address))
{
_expander.ChangeAddress(address);
Console.WriteLine("Change address.");
_expander.SaveAddress();
#if WIRING_PI
_expander = Pi.I2C.GetGpioExpander();
#endif
#if NOT_WIRING_PI
_expander = I2cBus.Create(1).GetGpioExpander();
#endif
Console.WriteLine("Save address.");
}
else
{
Console.WriteLine("Invalid new address value.");
}
break;
}
case 2:
{
_expander.Reset();
Console.WriteLine("Reset chip.");
break;
}
default:
{
Console.WriteLine("Invalid mode value.");
break;
}
}
}
}
public static void Main(string[] args)
{
Console.WriteLine("Enter the device address:");
int expanderAddress = int.TryParse(Console.ReadLine(), out int address)
? address
: GpioExpander.DefaultAddress;
try
{
#if WIRING_PI
Pi.Init <BootstrapWiringPi>();
_expander = Pi.I2C.GetGpioExpander(expanderAddress);
#endif
#if NOT_WIRING_PI
_expander = I2cBus.Create(1).GetGpioExpander(expanderAddress);
#endif
}
catch (Exception error)
{
Console.WriteLine($"Fail initialization GPIO Expander. Error: {error}");
return;
}
if (args.Length == 0)
{
Console.WriteLine("Select a mode:\n1. {0}\n2. {1}\n3. {2}\n4. {3}\n5. {4}\n6. {5}\n7. {6}\n",
nameof(Analog1), nameof(Analog2), nameof(Digital), nameof(Port),
nameof(Pwm), "Address/Reset", nameof(Adc));
switch (Console.ReadLine())
{
case nameof(Analog1):
{
Analog1();
break;
}
case nameof(Analog2):
{
Analog2();
break;
}
case nameof(Digital):
{
Digital();
break;
}
case nameof(Port):
{
Port();
break;
}
case nameof(Pwm):
{
Pwm();
break;
}
case nameof(Adc):
{
Adc();
break;
}
case "Address":
case "Reset":
{
AddressOrReset();
break;
}
default:
{
Console.WriteLine("Invalid program mode.");
break;
}
}
}
else if (args[0].Equals("Freq", StringComparison.OrdinalIgnoreCase))
{
FindFreq();
}
else
{
Console.WriteLine("Invalid app mode.");
}
_expander?.Dispose();
Console.WriteLine("Application is shutting down...");
}
