/// <summary>
/// Invia i bit in uscita
/// </summary>
public void OutBits()
{
for (int i = (bit.Length - 1); i >= 0; i--)
{
if (bit[i])
{
_pinData.Write(GpioPinValue.High);
}
else
{
_pinData.Write(GpioPinValue.Low);
}
//Wait();
_pinClock.Write(GpioPinValue.High);
//Wait();
_pinClock.Write(GpioPinValue.Low);
//Wait();
}
_pinLatch.Write(GpioPinValue.High);
//Wait();
_pinLatch.Write(GpioPinValue.Low);
}
/// <summary>
/// Inizializzazione
/// </summary>
/// <param name="bits">Numero di bit: 8 X Numero di integrati 74HC595</param>
/// <param name="dataPin">Porta linea dati DS Pin 14 del 74HC595</param>
/// <param name="clockPin">Porta linea clock SH_CP Pin 11 del 74HC595</param>
/// <param name="latchPin">Porta linea latch ST_CP Pin 12 del 74HC595</param>
public OutShiftRegister(int numBits, int dataPin, int clockPin, int latchPin)
{
if (numBits <= 0)
{
throw new IndexOutOfRangeException("ShiftRegister: numero di bit < 0");
}
_pinData = new DigitalIO(dataPin, GpioPinDriveMode.Output);
_pinClock = new DigitalIO(clockPin, GpioPinDriveMode.Output);
_pinLatch = new DigitalIO(latchPin, GpioPinDriveMode.Output);
_pinData.Write(GpioPinValue.Low);
_pinClock.Write(GpioPinValue.Low);
_pinLatch.Write(GpioPinValue.Low);
bit = new bool[numBits];
OutResetBits();
}
