Thread View: cn.bbs.comp.program
1 messages
1 total messages
Started by ������
Fri, 05 Dec 1997 00:00
Re: ��!������
Author: ������
Date: Fri, 05 Dec 1997 00:00
Date: Fri, 05 Dec 1997 00:00
41 lines
1874 bytes
1874 bytes
Here is a simple program that sending chars to LPT.
Hope it's suitable for you.
{
HANDLE printfile;
DWORD retw;
char buf[1000];
for(int i=0; i<500; i++){
buf[2*i] = 'a';
buf[2*i+1] = 0xa;
}
printfile =CreateFile("LPT1", GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0,
NULL
);
WriteFile(printfile, buf, 200, &retw, NULL);
}
�� �� fuzhonghua.bbs@bbs.whnet.edu.cn (ëд) �Ĵ������ᵽ: ��
: ��λ���������һ�����⣺
: ��Ҫ���в���ͨѶ���õ���VB4.0 16λ��API����Transmitcommchr().
: ���ִ˺���ÿ�ν��ܷ���һ��Char������,�ұ���رղ��ڲ���������.Ȼ����
: opencomm(),Transmitcommchr(),closecomm()������һ��ͨѶ����������ǰһ�ε�ͨѶ
: �������ˡ���������ÿ��ͨѶǰ����opencomm()�����ʼ���˲���.������ϣ��
: Frist use "opencomm()" only one time to open the Lpt1;
:
: Then use someone function to drive the LPT1 to work for me;
:
: After all off jobs have been done,then close the LPT1.
:
: The function writecomm() make me to be so disappointed because it doesn't work
: right also.
:
: That's all my problem..Who can tell me the solution?
:
--
[1;36m�� ��Դ:����ˮ˼Դվ bbs.sjtu.edu.cn��[FROM: www]
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