Spcomm串口控件的例程,Spcomm串口控件的例程
【 tulaoshi.com - Delphi 】
procedure TForm1.BitBtn3Click(Sender: TObject);
begin
comm1.startcomm;
end;
//关闭串口
procedure TForm1.BitBtn4Click(Sender: TObject);
begin
comm1.StopComm;
end;
//发送数据
procedure TForm1.BitBtn1Click(Sender: TObject);{var str:string;
ch1:char;
begin
comm1.WriteCommData(ch,1);
end.
//接收数据
procedure TForm1.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
BufferLength: Word);
type ss=array[1..500]of char ;
var str1:^ss;
i:integer;
s:array[0..15] of char ;
n:integer;
begin
str1:=Buffer;
//s[]=('0','1','2','3'...'E')
for i:=0 to 9 do
s[i]:=chr(48+i);
for i:=10 to 15 do
s[i]:=chr(55+i);
for i:=1 to bufferlength do
begin
n:=ord(str1^[i]);
listbox1.Items.add(
inttostr(listbox1.Items.Count+1)
&n
来源:http://www.tulaoshi.com/n/20160129/1492636.html
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