/// <summary>
/// Toggles digital output value for a specific channel.
/// </summary>
/// <param name="channel">Channel index 1 - n.</param>
/// <returns></returns>
public bool ToggleChannel(int channel)
{
bool validChannel = ValidateChannel(channel);
if (validChannel)
{
// get slave variable in order to set bit offset
SlaveVariable slaveVariable = _slavePdos[channel - 1].Variables.First();
_memoryMapping[0] ^= 1 << slaveVariable.BitOffset;
}
return(validChannel);
}
/// <summary>
/// Returns digital value for a specific channel.
/// </summary>
/// <param name="channel">Channel index 1 - n.</param>
/// <returns>Channel state, true: High, false: Low./returns>
public bool GetChannel(int channel)
{
bool channelSet = false;
if (ValidateChannel(channel))
{
// get slave variable in order to set bit offset
SlaveVariable slaveVariable = _slavePdos[channel - 1].Variables.First();
int bitOffset = slaveVariable.BitOffset;
int channelInput = _memoryMapping[0] & (1 << bitOffset);
channelSet = BitConverter.ToBoolean(channelInput.ToByteArray(), 0);
}
return(channelSet);
}
/// <summary>
/// Sets digital output value for a specific channel.
/// </summary>
/// <param name="channel">Channel index 1 - n.</param>
/// <param name="value">Value of channel output, true: High, false: Low.</param>
/// <returns></returns>
public bool SetChannel(int channel, bool value)
{
bool validChannel = ValidateChannel(channel);
if (validChannel)
{
// get slave variable in order to set bit offset
SlaveVariable slaveVariable = _slavePdos[channel - 1].Variables.First();
int bitOffset = slaveVariable.BitOffset;
if (value)
{
// set channel bit
_memoryMapping[0] |= 1 << bitOffset;
}
else
{
// clear channel bit
_memoryMapping[0] &= ~(1 << bitOffset);
}
}
return(validChannel);
}
