public void SetDirection(Port port, Mcp23017PinDirection direction)
{
var register = GetRegisterAddress(Register.IODIRA, port);
var value = (byte)(direction == Mcp23017PinDirection.Input
? 0xFF
: 0x00);
connection.Write(register, value);
}
/// <summary>
/// Sets the direction.
/// </summary>
/// <param name="pin">The pin.</param>
/// <param name="direction">The direction.</param>
public void SetDirection(Mcp23017Pin pin, Mcp23017PinDirection direction)
{
var register = ((int)pin & 0x0100) == 0x0000 ? Register.IODIRA : Register.IODIRB;
connection.WriteByte((byte)register);
var directions = connection.ReadByte();
var bit = (byte)((int)pin & 0xFF);
var newDirections = (direction == Mcp23017PinDirection.Input)
? directions | bit
: directions & ~bit;
connection.Write(new[] { (byte)register, (byte)newDirections });
}
public void SetDirection(Mcp23017Pin pin, Mcp23017PinDirection direction)
{
var register = ((int) pin & 0x0100) == 0x0000 ? Register.IODIRA : Register.IODIRB;
connection.WriteByte((byte)register);
var directions = connection.ReadByte();
var bit = (byte)((int)pin & 0xFF);
var newDirections = (direction == Mcp23017PinDirection.Input)
? directions | bit
: directions & ~bit;
connection.Write(new[] { (byte)register, (byte)newDirections });
}