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51 lines
1.2 KiB
ObjectPascal
51 lines
1.2 KiB
ObjectPascal
unit BoardUtils;
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{$IFDEF FPC}
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{$MODE Delphi}
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{$ENDIF}
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interface
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function BoardTypeName(BoardType: Integer): string;
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function FreqToBandIdx(Hz: Double): Integer;
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implementation
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uses SysUtils;
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function BoardTypeName(BoardType: Integer): string;
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begin
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case BoardType of
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1: Result := 'HERMES (ANAN-10/100)';
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2: Result := 'HERMES-E (ANAN-10E/100B)';
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3: Result := 'ANGELIA (ANAN-100D)';
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4: Result := 'ORION (ANAN-200D)';
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5: Result := 'ORION MkII (ANAN-7000/8000)';
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6: Result := 'HERMES-LITE 2';
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10: Result := 'SATURN (G2)';
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else Result := Format('Unknown Board #%d', [BoardType]);
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end;
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end;
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function FreqToBandIdx(Hz: Double): Integer;
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const
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BAND_LO: array[0..10] of Double = (
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1800000, 3500000, 5330000, 7000000, 10100000,
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14000000, 18068000, 21000000, 24890000, 28000000, 50000000);
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BAND_HI: array[0..10] of Double = (
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2000000, 4000000, 5410000, 7300000, 10150000,
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14350000, 18168000, 21450000, 24990000, 29700000, 54000000);
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var
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i: Integer;
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begin
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Result := -1;
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for i := 0 to 10 do
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if (Hz >= BAND_LO[i]) and (Hz <= BAND_HI[i]) then
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begin
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Result := i;
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Exit;
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end;
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end;
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end.
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