public HD44780U(MCP23017 exp, Register reg)
{
expander = exp;
register = reg;
if (register == Register.GPIOA)
{
expander.Write(MCP23017.Register.IODIRA, 0x00);
expander.Write(MCP23017.Register.GPIOA, 0x00);
}
else
{
expander.Write(MCP23017.Register.IODIRB, 0x00);
expander.Write(MCP23017.Register.GPIOB, 0x00);
}
}
//For use with the MCP23017 I/O expander GPIO pins
public HCSR04(MCP23017 Expander, MCP23017.Pin TriggerPin, MCP23017.Pin EchoPin)
{
expander = Expander;
ioTriggerPin = TriggerPin;
ioEchoPin = EchoPin;
}