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procedure TForm1.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
BufferLength: Word);
var
strRecv,MyData: string;
MWei,Wei1,Wei2,Wei3: string;
begin
SetLength(strRecv,BufferLength);
Move(Buffer^,PChar(strRecv)^,BufferLength);
if strRecv=#$E5 then //发送确认码
begin
PLCEnter;
end
else
begin //处理接受的有效数据
if (Length(strRecv)=35) or (Length(strRecv)=127) and (SendType<>3) then
begin
if Length(strRecv)=35 then
begin
try
MyData:=Copy(strRecv,26,8);
except
end;
end;
if Length(strRecv)=127 then
begin
end;
end;
end ;
end ;
var
Ss: array of byte;
for i:=1 to BufferLength do
Ss[i-1]:=ord(strRecv[i]);
procedure TForm1.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
BufferLength: Word);
var
StrRecv: string;
iAsc: array of Byte;
i:integer;
begin
SetLength(strRecv,BufferLength);
SetLength(iAsc,BufferLength);
Move(Buffer^,PChar(strRecv)^,BufferLength);
//---------------转化为ASCII码开始---------------
for i:=1 to BufferLength do
iAsc[i-1]:= Ord(strRecv[i]);
//---------------转化为ASCII码结束---------------
end;
procedure TForm1.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
BufferLength: Word);
var
StrRecv: string;
i:integer;
begin
SetLength(strRecv,BufferLength);
Move(Buffer^,PChar(strRecv)^,BufferLength);
//---------------转化为ASCII码开始---------------
求代码。。。。。
//---------------转化为ASCII码结束---------------
end;