/// <summary>
/// Handle the Analog Mapping Message. This is used to find out which pins have
/// analog input capabilities and fill the AnalogPins list
/// </summary>
public void Handle(AnalogMappingMessage message)
{
if (IsInitialized)
{
return;
}
for (int i = 0; i < message.PinMappings.Count; i++)
{
// If we have an analog pin
if (message.PinMappings[i] != 127)
{
// Put the corresponding pin to the analog pins dictionary
// this is a reference, so any changes to the primary object
// will be reflected here too.
AnalogPins.Add(Pins[i]);
}
}
AdvanceInitialization();
}
public int AnalogWrite(AnalogPins pin, int pinValue)
{
return(ExecuteFunctionReturnValue("analogwrite", pin.ToString(), pinValue.ToString()));
}
public int AnalogRead(AnalogPins pin)
{
return(ExecuteFunctionReturnValue("analogread", pin.ToString()));
}
public int AnalogWrite(AnalogPins pin, int pinValue)
{
return ExecuteFunctionReturnValue("analogwrite", pin.ToString(), pinValue.ToString());
}
public int AnalogRead(AnalogPins pin)
{
return ExecuteFunctionReturnValue("analogread", pin.ToString());
}
/// <summary>
/// Go through the initialization procedure
/// </summary>
private void AdvanceInitialization()
{
// Do nothing if we are initialized
if (currentInitState == InitializationStages.FullyInitialized)
{
return;
}
switch (currentInitState)
{
case InitializationStages.QueryProtocolVersion:
// This is the first inistialization stage
// Stop any previous reports
StopReports();
base.SendMessage(new ProtocolVersionRequestMessage());
break;
case InitializationStages.QueryFirmwareVersion:
base.SendMessage(new QueryFirmwareMessage());
break;
case InitializationStages.QueryCapabilities:
// Clear the pins, as we will be receiving new ones
Pins.Clear();
AnalogPins.Clear();
// Send the message to get the capabilities
base.SendMessage(new QueryCapabilityMessage());
break;
case InitializationStages.QueryAnalogMappings:
base.SendMessage(new AnalogMappingQueryMessage());
break;
case InitializationStages.QueryPinStates:
for (int i = 0; i < Pins.Count; i++)
{
base.SendMessage(new PinStateQueryMessage {
Pin = (byte)i
});
}
break;
case InitializationStages.StartReports:
var portsCount = (byte)Math.Ceiling(Pins.Count / 8.0);
for (byte i = 0; i < portsCount; i++)
{
base.SendMessage(new ToggleDigitalReportMessage()
{
Port = i, ShouldBeEnabled = true
});
}
for (byte i = 0; i < AnalogPins.Count; i++)
{
base.SendMessage(new ToggleAnalogReportMessage()
{
Pin = i, ShouldBeEnabled = true
});
}
// There is no callback for the above messages so advance anyway
OnInitialized();
break;
case InitializationStages.FullyInitialized:
// Do nothing we are finished with the initialization
break;
default:
throw new ArgumentOutOfRangeException("stage");
}
// Go to the next state
if (!IsInitialized)
{
currentInitState++;
}
}
/// <summary>
/// Creats the event and initializes all its properties
/// </summary>
/// <param name="inPinToQuery">The pin to query</param>
public QueryAnalogInputEvent(AnalogPins inPinToQuery)
{
_pinToQuery = inPinToQuery;
identifier = EventIdentifier.AnalogPinQueryRequest;
}