unit Modbus_User;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, OoMisc, AdPort;
type
TForm_User = class(TForm)
ApdComPort1: TApdComPort;
Edit_TX: TEdit;
Btn_CRC: TButton;
Btn_Send: TButton;
Label_TX: TLabel;
Label_RX: TLabel;
Edit_RX: TEdit;
procedure FormShow(Sender: TObject);
function Make_CRCvalue(Data: array of byte; nByte:word):Word;
procedure Btn_SendClick(Sender: TObject);
procedure Btn_CRCClick(Sender: TObject);
procedure ApdComPort1TriggerAvail(CP: TObject; Count: Word);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form_User: TForm_User;
Const
CRC_Table: ARRAY[0..255] OF WORD =
($0000,$C0C1,$C181,$0140,$C301,$03C0,$0280,$C241,$C601,$06C0,$0780,
$C741,$0500,$C5C1,$C481,$0440,$CC01,$0CC0,$0D80,$CD41,$0F00,$CFC1,
$CE81,$0E40,$0A00,$CAC1,$CB81,$0B40,$C901,$09C0,$0880,$C841,$D801,
$18C0,$1980,$D941,$1B00,$DBC1,$DA81,$1A40,$1E00,$DEC1,$DF81,$1F40,
$DD01,$1DC0,$1C80,$DC41,$1400,$D4C1,$D581,$1540,$D701,$17C0,$1680,
$D641,$D201,$12C0,$1380,$D341,$1100,$D1C1,$D081,$1040,$F001,$30C0,
$3180,$F141,$3300,$F3C1,$F281,$3240,$3600,$F6C1,$F781,$3740,$F501,
$35C0,$3480,$F441,$3C00,$FCC1,$FD81,$3D40,$FF01,$3FC0,$3E80,$FE41,
$FA01,$3AC0,$3B80,$FB41,$3900,$F9C1,$F881,$3840,$2800,$E8C1,$E981,
$2940,$EB01,$2BC0,$2A80,$EA41,$EE01,$2EC0,$2F80,$EF41,$2D00,$EDC1,
$EC81,$2C40,$E401,$24C0,$2580,$E541,$2700,$E7C1,$E681,$2640,$2200,
$E2C1,$E381,$2340,$E101,$21C0,$2080,$E041,$A001,$60C0,$6180,$A141,
$6300,$A3C1,$A281,$6240,$6600,$A6C1,$A781,$6740,$A501,$65C0,$6480,
$A441,$6C00,$ACC1,$AD81,$6D40,$AF01,$6FC0,$6E80,$AE41,$AA01,$6AC0,
$6B80,$AB41,$6900,$A9C1,$A881,$6840,$7800,$B8C1,$B981,$7940,$BB01,
$7BC0,$7A80,$BA41,$BE01,$7EC0,$7F80,$BF41,$7D00,$BDC1,$BC81,$7C40,
$B401,$74C0,$7580,$B541,$7700,$B7C1,$B681,$7640,$7200,$B2C1,$B381,
$7340,$B101,$71C0,$7080,$B041,$5000,$90C1,$9181,$5140,$9301,$53C0,
$5280,$9241,$9601,$56C0,$5780,$9741,$5500,$95C1,$9481,$5440,$9C01,
$5CC0,$5D80,$9D41,$5F00,$9FC1,$9E81,$5E40,$5A00,$9AC1,$9B81,$5B40,
$9901,$59C0,$5880,$9841,$8801,$48C0,$4980,$8941,$4B00,$8BC1,$8A81,
$4A40,$4E00,$8EC1,$8F81,$4F40,$8D01,$4DC0,$4C80,$8C41,$4400,$84C1,
$8581,$4540,$8701,$47C0,$4680,$8641,$8201,$42C0,$4380,$8341,$4100,
$81C1,$8081,$4040);
implementation
{$R *.dfm}
//°¢ ÄÞÆ÷³ÍÆ®µéÀÇ ¼³¸í ±¸¼º ¹× APDComportÀÇ Ãʱ⠼³Á¤.
procedure TForm_User.FormShow(Sender: TObject);
begin
Form_User.Caption:='OTIS-LG ¼º¸ µå¶óÀ̺ê Modbus Å×½ºÆ®¿ë »ùÇà ÇÁ·Î±×·¥';
Label_TX.Font.Color:=clyellow;
Label_TX.Caption:='¼Û½Å µ¥ÀÌŸ';
Edit_TX.Color:=clyellow;
Edit_TX.Font.Color:=clblack;
Edit_TX.Text:='¼Û½Å µ¥ÀÌŸ(16Áø¼ö Çü½Ä)';
Label_RX.Font.Color:=clblue;
Label_RX.Caption:='¼ö½Å µ¥ÀÌŸ';
Edit_RX.Color:=clblue;
Edit_RX.Font.Color:=clwhite;
Edit_RX.text:='¼ö½Å µ¥ÀÌŸ(16Áø¼ö Çü½Ä)';
Btn_CRC.Caption:='CRC°ª ÀÛ¼º';
Btn_Send.Caption:='µ¥ÀÌŸ Àü¼Û';
Apdcomport1.ComNumber:=1;//»ç¿ëÇÏ´Â ÄÄÇ»ÅÍÀÇ ½Ã¸®¾ó Æ÷Æ® ¹øÈ£
Apdcomport1.Baud:=9600;//Åë½Å ¼Óµµ
end;
//Table¿¡ ÀÇÇÑ CRC°ª »ý¼º ÇÔ¼ö
function TForm_User.Make_CRCvalue(Data: array of byte; nByte: word): Word;
var
CRCValue:Word;
i:integer;
begin
CRCvalue:=$FFFF;
For i := 1 to nByte do
CRCvalue := Hi(CRCvalue) XOR CRC_Table[ Data[i-1] XOR Lo(CRCvalue) ];
Result:=CRCvalue;
end;
//¼Û½ÅÇÒ DATAÀÇ CRC°ªÀ» °è»êÇÏ¿© ÷°¡.
procedure TForm_User.Btn_CRCClick(Sender: TObject);
var
i,j:integer;
CRC_Data_Len:integer;//CRC °è»ê¿¡ »ç¿ëµÉ µ¥ÀÌŸ ±æÀÌ
CRC_Data_Array:array[1..30]of byte;//CRC °è»ê¿¡ »ç¿ëµÉ µ¥ÀÌŸ
Result_CRC:Word;//°è»êµÈ CRC°ª
begin
CRC_Data_Len:=round(length(Edit_TX.Text)/2);
For i:=1 to CRC_Data_Len do
begin
j:=i*2-1;
CRC_Data_Array[i]:=byte(strtoint('$'+Edit_TX.Text[j]+Edit_TX.Text[j+1]));
end;
Result_CRC:=Make_CRCValue(CRC_Data_Array,CRC_Data_Len);
Edit_TX.Text:=Edit_TX.Text+inttohex(Lo(Result_CRC),2)+inttohex(Hi(Result_CRC),2);
end;
//µ¥ÀÌŸ ¼Û½Å
procedure TForm_User.Btn_SendClick(Sender: TObject);
var
i,j:integer;
TX_Data_Size:integer;//¼Û½ÅÇÒ µ¥ÀÌŸ ±æÀÌ
TX_Data_Array:array[1..32]of byte;//¼Û½ÅÇÒ µ¥ÀÌŸ
begin
Edit_RX.Text:='';
TX_Data_Size:=round(length(Edit_TX.Text)/2);
For i:=1 to TX_Data_Size do
begin
j:=i*2-1;
TX_Data_Array[i]:=byte(strtoint('$'+Edit_TX.Text[j]+Edit_TX.Text[j+1]));
end;
Apdcomport1.PutBlock(TX_Data_Array,TX_Data_Size);
end;
//µ¥ÀÌŸ ¼ö½Å
procedure TForm_User.ApdComPort1TriggerAvail(CP: TObject; Count: Word);
var
i:integer;
RX_Char:char;//¼ö½ÅµÈ °ª
RX_Array:array[1..200]of string;//¼ö½ÅµÈ µ¥ÀÌŸ
begin
for i:=1 to count do
begin
RX_Char:=Apdcomport1.GetChar;
RX_Array[i]:=inttohex(byte(RX_Char),2);
Edit_RX.Text:=Edit_RX.Text+RX_Array[i];
end;
end;
end.