diff options
Diffstat (limited to 'src/classes/ULCD.pas')
| -rw-r--r-- | src/classes/ULCD.pas | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/src/classes/ULCD.pas b/src/classes/ULCD.pas deleted file mode 100644 index 82f7ba2f..00000000 --- a/src/classes/ULCD.pas +++ /dev/null @@ -1,304 +0,0 @@ -unit ULCD; - -interface - -{$I switches.inc} - -type - TLCD = class - private - Enabled: boolean; - Text: array[1..6] of string; - StartPos: integer; - LineBR: integer; - Position: integer; - procedure WriteCommand(B: byte); - procedure WriteData(B: byte); - procedure WriteString(S: string); - public - HalfInterface: boolean; - constructor Create; - procedure Enable; - procedure Clear; - procedure WriteText(Line: integer; S: string); - procedure MoveCursor(Line, Pos: integer); - procedure ShowCursor; - procedure HideCursor; - - // for 2x16 - procedure AddTextBR(S: string); - procedure MoveCursorBR(Pos: integer); - procedure ScrollUpBR; - procedure AddTextArray(Line:integer; S: string); - end; - -var - LCD: TLCD; - -const - Data = $378; // domyślny adres portu - Status = Data + 1; - Control = Data + 2; - -implementation - -uses - SysUtils, - {$IFDEF UseSerialPort} - zlportio, - {$ENDIF} - SDL, - UTime; - -procedure TLCD.WriteCommand(B: Byte); -// Wysylanie komend sterujacych -begin -{$IFDEF UseSerialPort} - if not HalfInterface then - begin - zlioportwrite(Control, 0, $02); - zlioportwrite(Data, 0, B); - zlioportwrite(Control, 0, $03); - end - else - begin - zlioportwrite(Control, 0, $02); - zlioportwrite(Data, 0, B and $F0); - zlioportwrite(Control, 0, $03); - - SDL_Delay( 100 ); - - zlioportwrite(Control, 0, $02); - zlioportwrite(Data, 0, (B * 16) and $F0); - zlioportwrite(Control, 0, $03); - end; - - if (B=1) or (B=2) then - Sleep(2) - else - SDL_Delay( 100 ); -{$ENDIF} -end; - -procedure TLCD.WriteData(B: Byte); -// Wysylanie danych -begin -{$IFDEF UseSerialPort} - if not HalfInterface then - begin - zlioportwrite(Control, 0, $06); - zlioportwrite(Data, 0, B); - zlioportwrite(Control, 0, $07); - end - else - begin - zlioportwrite(Control, 0, $06); - zlioportwrite(Data, 0, B and $F0); - zlioportwrite(Control, 0, $07); - - SDL_Delay( 100 ); - - zlioportwrite(Control, 0, $06); - zlioportwrite(Data, 0, (B * 16) and $F0); - zlioportwrite(Control, 0, $07); - end; - - SDL_Delay( 100 ); - Inc(Position); -{$ENDIF} -end; - -procedure TLCD.WriteString(S: string); -// Wysylanie slow -var - I: integer; -begin - for I := 1 to Length(S) do - WriteData(Ord(S[I])); -end; - -constructor TLCD.Create; -begin - inherited; -end; - -procedure TLCD.Enable; -{var - A: byte; - B: byte;} -begin - Enabled := true; - if not HalfInterface then - WriteCommand($38) - else begin - WriteCommand($33); - WriteCommand($32); - WriteCommand($28); - end; - -// WriteCommand($06); -// WriteCommand($0C); -// sleep(10); -end; - -procedure TLCD.Clear; -begin - if Enabled then begin - WriteCommand(1); - WriteCommand(2); - Text[1] := ''; - Text[2] := ''; - Text[3] := ''; - Text[4] := ''; - Text[5] := ''; - Text[6] := ''; - StartPos := 1; - LineBR := 1; - end; -end; - -procedure TLCD.WriteText(Line: integer; S: string); -begin - if Enabled then begin - if Line <= 2 then begin - MoveCursor(Line, 1); - WriteString(S); - end; - - Text[Line] := ''; - AddTextArray(Line, S); - end; -end; - -procedure TLCD.MoveCursor(Line, Pos: integer); -var - I: integer; -begin - if Enabled then begin - Pos := Pos + (Line-1) * 40; - - if Position > Pos then begin - WriteCommand(2); - for I := 1 to Pos-1 do - WriteCommand(20); - end; - - if Position < Pos then - for I := 1 to Pos - Position do - WriteCommand(20); - - Position := Pos; - end; -end; - -procedure TLCD.ShowCursor; -begin - if Enabled then begin - WriteCommand(14); - end; -end; - -procedure TLCD.HideCursor; -begin - if Enabled then begin - WriteCommand(12); - end; -end; - -procedure TLCD.AddTextBR(S: string); -var - Word: string; -// W: integer; - P: integer; - L: integer; -begin - if Enabled then begin - if LineBR <= 6 then begin - L := LineBR; - P := Pos(' ', S); - - if L <= 2 then - MoveCursor(L, 1); - - while (L <= 6) and (P > 0) do begin - Word := Copy(S, 1, P); - if (Length(Text[L]) + Length(Word)-1) > 16 then begin - L := L + 1; - if L <= 2 then - MoveCursor(L, 1); - end; - - if L <= 6 then begin - if L <= 2 then - WriteString(Word); - AddTextArray(L, Word); - end; - - Delete(S, 1, P); - P := Pos(' ', S) - end; - - LineBR := L + 1; - end; - end; -end; - -procedure TLCD.MoveCursorBR(Pos: integer); -{var - I: integer; - L: integer;} -begin - if Enabled then begin - Pos := Pos - (StartPos-1); - if Pos <= Length(Text[1]) then - MoveCursor(1, Pos); - - if Pos > Length(Text[1]) then begin - // bez zawijania -// Pos := Pos - Length(Text[1]); -// MoveCursor(2, Pos); - - // z zawijaniem - Pos := Pos - Length(Text[1]); - ScrollUpBR; - MoveCursor(1, Pos); - end; - end; -end; - -procedure TLCD.ScrollUpBR; -var - T: array[1..5] of string; - SP: integer; - LBR: integer; -begin - if Enabled then begin - T[1] := Text[2]; - T[2] := Text[3]; - T[3] := Text[4]; - T[4] := Text[5]; - T[5] := Text[6]; - SP := StartPos + Length(Text[1]); - LBR := LineBR; - - Clear; - - StartPos := SP; - WriteText(1, T[1]); - WriteText(2, T[2]); - WriteText(3, T[3]); - WriteText(4, T[4]); - WriteText(5, T[5]); - LineBR := LBR-1; - end; -end; - -procedure TLCD.AddTextArray(Line: integer; S: string); -begin - if Enabled then begin - Text[Line] := Text[Line] + S; - end; -end; - -end. - |