public async Task <bool> SetValue(GPIOPinValue value)
{
if (!Disposed)
{
await Task.Yield();
switch (_OpenMode)
{
case GPIOPinSharingMode.Exclusive:
switch (Mode)
{
case GPIOPinMode.Output:
try
{
File.WriteAllText(PinPath + GPIO_PIN_VALUE, ((byte)value).ToString());
return(true);
}
catch (Exception ex)
{
if (ex is FileNotFoundException)
{
Close(true);
}
throw ex;
}
default:
throw new NotSupportedException("Указанный режим работы контакта GPIO не поддерживается.");
}
default:
case GPIOPinSharingMode.ReadOnlySharedAccess:
throw new NotSupportedException("Контакт GPIO открыт в режиме \"Только считывание\".");
}
}
else
{
throw new ObjectDisposedException(ToString());
}
}
private void ReaderLoop()
{
while (!Disposed)
{
try
{
string value = File.ReadAllText(PinPath + GPIO_PIN_VALUE).Replace("\n", "").Replace("\r", "").Replace(" ", "");
string invert = File.ReadAllText(PinPath + GPIO_PIN_ACTIVE_LOW).Replace("\n", "").Replace("\r", "").Replace(" ", "");
GPIOPinValue _value;
switch (value)
{
case "0":
_value = invert == "0" ? GPIOPinValue.Low : GPIOPinValue.High;
if (Value != _value)
{
Value = _value;
_ValueChanged?.Invoke(this, GPIOPinEdge.FallingEdge);
}
break;
case "1":
_value = invert == "0" ? GPIOPinValue.High : GPIOPinValue.Low;
if (Value != _value)
{
Value = _value;
_ValueChanged?.Invoke(this, GPIOPinEdge.RisingEdge);
}
break;
}
}
catch (Exception ex)
{
if (ex is FileNotFoundException)
{
Close(true);
}
}
}
}
