public static bool PortModeWrite(byte pin, SC18IM700GpioMode mode)
{
if (pin > 7)
{
return(false);
}
if (!TryPortRegRead(out SC18IM700GpioMode[] status))
{
return(false);
}
status[pin] = mode;
return(AllPortModeWrite(status));
}
/// <summary>
/// IOポートの入出力設定の読み出し
/// </summary>
/// <param name="confdata">入出力設定の状態</param>
/// <returns>入出力設定読み出しの成否</returns>
private static bool TryPortRegRead(out SC18IM700GpioMode[] confdata)
{
confdata = new SC18IM700GpioMode[8];
if (!TryRegRead(SC18IM700Register.PortConf1, out byte portconf1) ||
!TryRegRead(SC18IM700Register.PortConf2, out byte portconf2))
{
return(false);
}
for (var i = 0; i < 4; i++)
{
confdata[i] = (SC18IM700GpioMode)((portconf1 >> (i * 2)) & 3);
confdata[i + 4] = (SC18IM700GpioMode)((portconf2 >> (i * 2)) & 3);
}
return(true);
}
public static bool AllPortModeWrite(Byte mode = 0xFF)
{
if (!IsValid())
{
return(false);
}
var status = new SC18IM700GpioMode[8];
for (var i = 0; i < 8; i++)
{
status[i] = ((mode >> i) & 1) == 1 ? SC18IM700GpioMode.Input : SC18IM700GpioMode.Output;
}
return(AllPortModeWrite(status));
}