{ Analog Input Test using libsimpleio }

{ Copyright (C)2024, Philip Munts dba Munts Technologies.                     }
{                                                                             }
{ Redistribution and use in source and binary forms, with or without          }
{ modification, are permitted provided that the following conditions are met: }
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namespace test_adc;

  procedure Main(args : array of String);

  begin
    writeLn;
    writeLn('Analog Input Test using libsimpleio');
    writeLn;

    var desg       : IO.Objects.SimpleIO.Resources.Designator;
    var resolution : Cardinal;
    var Vref       : Double;

    try
      desg := IO.Objects.SimpleIO.Resources.GetDesignator2('Enter ADC');

      write('Enter resolution (bits):  ');
      resolution := Cardinal.Parse(readLn);

      write('Enter reference voltage:  ');
      Vref := Double.Parse(readLn);
      writeLn;
    except
      on E : Exception do
        begin
          writeLn('ERROR: Illegal numeric input');
          writeLn(E.Message);
          exit;
        end;
    end;

    var inp : IO.Objects.SimpleIO.ADC.Input;

    try
      inp := new IO.Objects.SimpleIO.ADC.Input(desg, resolution, Vref);
    except
      on E : Exception do
        begin
          writeLn('ERROR: Cannot create analog input');
          writeLn(E.Message);
          exit;
        end;
    end;

    writeLn('Press CONTROL-C to quit');
    writeLn;

    repeat
      writeLn('Voltage => ' + inp.voltage.ToString + ' V');
      RTL.Sleep(1);
    until false;
  end;

end.