使用c语言开发的rs485驱动源码

开发的rs485源码，使用c语言开发 The source files: ----------------- Q_TEST.C Quick test of the driver (shows how to use it!) RS485NT.C Windows NT 4.0 RS485 driver source code RS485NT.H Device extension structure for source code COM8250.H Standard 8250 UART defines RS485IOC.H IOCTL c

//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Q_TEST.C
//
// Author:  Anthony A. Kempka
//          Device Drivers International LLC
//
// Description:
// ------------
// This program will attempt to open a channel to the driver RS485NT and
// make sure iterative ReadFile（） and WriteFile（） calls.
//
// *Note* 
// This is a WIN32 console application.
//

//---------------------------------------------------------------------------
//
// Basic includes
//

#include “windows.h“
#include “winioctl.h“
#include “stdio.h“
#include “conio.h“

#include “RS485IOC.H“        // IOCTL codes


//--------------------------------------------------------------------

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件       12021  1997-09-02 18:48  Com8250.h
     文件        8448  1997-11-20 11:32  Rs485nt.sys
     文件         419  1997-11-20 11:16  Rs485nt.reg
     文件         277  1997-08-20 16:27  Rs485nt.lnr
     文件         403  1997-08-20 16:27  Rs485nt.lnd
     文件        1817  1997-09-26 09:52  Rs485nt.h
     文件       40562  1997-09-26 09:52  Rs485nt.c
     文件        1581  1997-09-23 16:04  Rs485ioc.h
     文件        6412  1997-11-20 11:32  Readme.txt
     文件       42496  1997-11-20 11:32  q_test.exe
     文件        2586  1997-11-20 11:13  Q_test.c
     文件        3022  1997-11-20 11:32  Makefile
     文件          84  1997-04-01 09:54  Setenv.bat