public void UpdateAirStatusIndicators(AirChanStatusEnum air_state)
{
bool air_on = false;
bool high_n2_on = false;
bool low_n2_on = false;
switch (air_state)
{
case AirChanStatusEnum.Air:
air_on = true;
break;
case AirChanStatusEnum.HighN2:
high_n2_on = true;
break;
case AirChanStatusEnum.LowN2:
low_n2_on = true;
break;
default:
//do nothing - air is off
break;
}
if (air_on)
SetAirIndicator_ToOn();
else
SetAirIndicator_ToOff();
if (high_n2_on)
SetHighN2Indicator_ToOn();
else
SetHighN2Indicator_ToOff();
if (low_n2_on)
SetLowN2Indicator_ToOn();
else
SetLowN2Indicator_ToOff();
this.BeginInvoke((Action)(() => this.Refresh()));
}
//This function toggles the Air/Nitrogen Relay Valves open and closed
//using Digital Output TTL logic
//Uses values from the AirChanStatusEnum enumerator to
//choose its actions
private void SetAirRelayChannelOutput(AirChanStatusEnum state)
{
MccDaq.ErrorInfo RetVal;
//Turn all channels off, first
for (int i = 3; i < 6; i++)
{
RetVal = oven_board.DBitOut(DigitalPortType.AuxPort, i,
DigitalLogicState.Low);
IsError(this, RetVal, true);
}
switch (state)
{
case AirChanStatusEnum.AirOff:
//Already done above.
break;
case AirChanStatusEnum.LowN2:
RetVal = oven_board.DBitOut(DigitalPortType.AuxPort, 5,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
case AirChanStatusEnum.HighN2:
RetVal = oven_board.DBitOut(DigitalPortType.AuxPort, 3,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
case AirChanStatusEnum.Air:
RetVal = oven_board.DBitOut(DigitalPortType.AuxPort, 4,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
default:
RetVal = new ErrorInfo(1);
MessageBox.Show("Set Air Relay Channel Output error -- invalid Air Relay Channel output state inputed.",
" " + "ERROR!");
break;
}
air_status = state;
UpdateAirStatusIndicators(state);
}
private void air_channel_out(AirChanStatusEnum state)
{
MccBoard daq = new MccDaq.MccBoard(BoardNum);
MccDaq.ErrorInfo RetVal;
for (int i = 3; i < 6; i++)
{
RetVal = daq.DConfigBit(DigitalPortType.AuxPort, i,
DigitalPortDirection.DigitalOut);
IsError(this, RetVal, true);
}
switch (state)
{
case AirChanStatusEnum.air_off:
for (int i = 3; i < 6; i++)
{
RetVal = daq.DBitOut(DigitalPortType.AuxPort, i,
DigitalLogicState.Low);
IsError(this, RetVal, true);
}
break;
case AirChanStatusEnum.low_n2:
RetVal = daq.DBitOut(DigitalPortType.AuxPort, 5,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
case AirChanStatusEnum.high_n2:
RetVal = daq.DBitOut(DigitalPortType.AuxPort, 3,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
case AirChanStatusEnum.air:
RetVal = daq.DBitOut(DigitalPortType.AuxPort, 4,
DigitalLogicState.High);
IsError(this, RetVal, true);
break;
default:
RetVal = new ErrorInfo(1);
MessageBox.Show("air_channel_out() called with invalid parameter!",
" " + "ERROR!");
break;
}
RetVal = daq.DConfigBit(DigitalPortType.AuxPort, 0,
DigitalPortDirection.DigitalOut);
if (IsError(this, RetVal, true) == 0)
{
air_status = state;
}
}