/// <summary>
/// Sample : Display contrast mode.
/// </summary>
public static Communication.PeripheralStatus DoContrastPattern(DisplayContrastMode contrastMode, IPort port)
{
// Check display status.
Communication.PeripheralStatus status = GetDiaplayStatus(port);
if (status != Communication.PeripheralStatus.Connect) // Display is not connected.
{
return(status);
}
// Create display commands.
byte[] displayCommands = DisplayFunctions.CreateContrastMode(contrastMode);
// Send display commands.
CommunicationResult result = Communication.SendCommandsDoNotCheckCondition(displayCommands, port);
if (result.Result != Communication.Result.Success)
{
return(Communication.PeripheralStatus.Impossible);
}
else
{
return(Communication.PeripheralStatus.Connect);
}
}
public static byte[] CreateContrastMode(DisplayContrastMode contrastMode)
{
IDisplayCommandBuilder builder = StarIoExt.CreateDisplayCommandBuilder(DisplayModel.SCD222);
//builder.AppendClearScreen();
//builder.AppendCursorMode(DisplayCursorMode.Off);
//builder.AppendHomePosition();
//byte[] textPattern = Encoding.UTF8.GetBytes("Star Micronics Total : 12345");
//builder.Append(textPattern);
builder.AppendContrastMode(contrastMode);
return(builder.PassThroughCommands);
}
private string GetDescription(DisplayContrastMode contrastMode)
{
string description = "";
switch (contrastMode)
{
default:
case DisplayContrastMode.Minus3:
description = "Contrast -3";
break;
case DisplayContrastMode.Minus2:
description = "Contrast -2";
break;
case DisplayContrastMode.Minus1:
description = "Contrast -1";
break;
case DisplayContrastMode.Default:
description = "Default";
break;
case DisplayContrastMode.Plus1:
description = "Contrast +1";
break;
case DisplayContrastMode.Plus2:
description = "Contrast +2";
break;
case DisplayContrastMode.Plus3:
description = "Contrast +3";
break;
}
return(description);
}
