基于WinCE的一个简单的流程序驱动模板
2010-04-28 10:23
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驱动程序：
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// 此
驱动功能是保存一个字符串。
#include <windows.h>
#include <tchar.h>
#include <string.h>
#define BUFSIZE 256
WCHAR
achBuffer[BUFSIZE];
BOOL
WINAPI DllEntryPoint (
HANDLE
hinstDLL,
DWORD
dwReason,
LPVOID
lpvReserved)
{
switch
(dwReason)
{
case
DLL_PROCESS_ATTACH:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_ATTACH/t/n"
)));
return
TRUE;
case
DLL_THREAD_ATTACH:
RETAILMSG(1,(TEXT("ADC:DLL_THREAD_ATTACH/t/n"
)));
break
;
case
DLL_THREAD_DETACH:
RETAILMSG(1,(TEXT("ADC:DLL_THREAD_DETACH/t/n"
)));
break
;
case
DLL_PROCESS_DETACH:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_DETACH/t/n"
)));
break
;
#ifdef UNDER_CE
case
DLL_PROCESS_EXITING:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_EXITING/t/n"
)));
break
;
case
DLL_SYSTEM_STARTED:
RETAILMSG(1,(TEXT("ADC:DLL_SYSTEM_STARTED/t/n"
)));
break
;
default
:
break
;
#endif
}
return
TRUE;
}
DWORD
STR_Init(
DWORD
dwContext)
{
DWORD
dwReturn = 0;
RETAILMSG (1,(TEXT("MYSTRINGS:STR_Init/t/n"
)));
memset (achBuffer,0,BUFSIZE * sizeof
(
WCHAR
));
dwReturn = 1;
return
dwReturn;
}
BOOL
STR_Deinit(
DWORD
hDeviceContext)
{
BOOL
bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Deinit/t/n"
)));
return
bReturn;
}
DWORD
STR_Open (
DWORD
hDeviceContext,
DWORD
AccessCode,
DWORD
ShareMode)
{
DWORD
dwReturn = 0;
RETAILMSG (1,(TEXT("MYSTRINGS:STR_Open/t/n"
)));
dwReturn = 1;
return
dwReturn;
}
BOOL
STR_Close(
DWORD
hOpenContext)
{
BOOL
bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Close/t/n"
)));
return
bReturn;
}
BOOL
STR_IOControl(
DWORD
hOpenContext,
DWORD
dwCode,
PBYTE
pBufIn,
DWORD
dwLenIn,
PBYTE
pBufOut,
DWORD
dwLenOut,
PDWORD pdwActualOut)
{
BOOL
bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_IOControl/t/n"
)));
return
bReturn;
}
void
STR_PowerDown (
DWORD
hDeviceContext)
{
RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerDown/t/n"
)));
}
void
STR_PowerUp(
DWORD
hDeviceContext)
{
RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerUp/t/n"
)));
}
DWORD
STR_Read(
DWORD
hOpenContext,
LPVOID
pBuffer,
DWORD
Count)
{
DWORD
dwReturn = 0;
//RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerUp/t/n")));
DWORD
dwBuffer = wcslen(achBuffer);
dwReturn = min(dwBuffer, Count);
wcsncpy((LPWSTR
)pBuffer, achBuffer, dwReturn);
return
dwReturn;
}
DWORD
STR_Seek(
DWORD
hOpenContext,
long
Amount,
DWORD
Type)
{
DWORD
dwReturn =0;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Seek/t/n"
)));
return
dwReturn;
}
DWORD
STR_Write(
DWORD
hOpenContext,
LPCVOID
pSourcdBytes,
DWORD
NumberOfBytes)
{
DWORD
dwReturn =0;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Write/t/n"
)));
dwReturn = min(BUFSIZE, NumberOfBytes);
wcsncpy (achBuffer, (LPWSTR
) pSourcdBytes, dwReturn);
return
dwReturn;
}
// 此驱动功能是保存一个字符串。
#include <windows.h>
#include <tchar.h>
#include <string.h>
#define BUFSIZE 256
WCHAR achBuffer[BUFSIZE];
BOOL WINAPI DllEntryPoint ( HANDLE hinstDLL,
DWORD dwReason,
LPVOID lpvReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_ATTACH/t/n")));
return TRUE;
case DLL_THREAD_ATTACH:
RETAILMSG(1,(TEXT("ADC:DLL_THREAD_ATTACH/t/n")));
break;
case DLL_THREAD_DETACH:
RETAILMSG(1,(TEXT("ADC:DLL_THREAD_DETACH/t/n")));
break;
case DLL_PROCESS_DETACH:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_DETACH/t/n")));
break;
#ifdef UNDER_CE
case DLL_PROCESS_EXITING:
RETAILMSG(1,(TEXT("ADC:DLL_PROCESS_EXITING/t/n")));
break;
case DLL_SYSTEM_STARTED:
RETAILMSG(1,(TEXT("ADC:DLL_SYSTEM_STARTED/t/n")));
break;
default:
break;
#endif
}
return TRUE;
}
DWORD STR_Init(DWORD dwContext)
{
DWORD dwReturn = 0;
RETAILMSG (1,(TEXT("MYSTRINGS:STR_Init/t/n")));
memset (achBuffer,0,BUFSIZE * sizeof (WCHAR));
dwReturn = 1;
return dwReturn;
}
BOOL STR_Deinit(DWORD hDeviceContext)
{
BOOL bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Deinit/t/n")));
return bReturn;
}
DWORD STR_Open (DWORD hDeviceContext,
DWORD AccessCode,
DWORD ShareMode)
{
DWORD dwReturn = 0;
RETAILMSG (1,(TEXT("MYSTRINGS:STR_Open/t/n")));
dwReturn = 1;
return dwReturn;
}
BOOL STR_Close(DWORD hOpenContext)
{
BOOL bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Close/t/n")));
return bReturn;
}
BOOL STR_IOControl(DWORD hOpenContext,
DWORD dwCode,
PBYTE pBufIn,
DWORD dwLenIn,
PBYTE pBufOut,
DWORD dwLenOut,
PDWORD pdwActualOut)
{
BOOL bReturn = TRUE;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_IOControl/t/n")));
return bReturn;
}
void STR_PowerDown (DWORD hDeviceContext)
{
RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerDown/t/n")));
}
void STR_PowerUp(DWORD hDeviceContext)
{
RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerUp/t/n")));
}
DWORD STR_Read(DWORD hOpenContext,
LPVOID pBuffer,
DWORD Count)
{
DWORD dwReturn = 0;
//RETAILMSG(1,(TEXT("MYSTRINGS:STR_PowerUp/t/n")));
DWORD dwBuffer = wcslen(achBuffer);
dwReturn = min(dwBuffer, Count);
wcsncpy((LPWSTR)pBuffer, achBuffer, dwReturn);
return dwReturn;
}
DWORD STR_Seek(DWORD hOpenContext,
long Amount,
DWORD Type)
{
DWORD dwReturn =0;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Seek/t/n")));
return dwReturn;
}
DWORD STR_Write(DWORD hOpenContext,
LPCVOID pSourcdBytes,
DWORD NumberOfBytes)
{
DWORD dwReturn =0;
RETAILMSG(1,(TEXT("MYSTRINGS:STR_Write/t/n")));
dwReturn = min(BUFSIZE, NumberOfBytes);
wcsncpy (achBuffer, (LPWSTR) pSourcdBytes, dwReturn);
return dwReturn;
}驱动程序注册表部分：
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[HKEY_LOCAL_MACHINE/Drivers/BuiltIn/STRINGS]
"Index"=dword:1
"Prefix"="STR"
"Dll"="String.dll"
"Order"=dword:0
[HKEY_LOCAL_MACHINE/Drivers/BuiltIn/STRINGS] "Index"=dword:1 "Prefix"="STR" "Dll"="String.dll" "Order"=dword:0
调用这个驱动程序：
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#include <windows.h>
#include "StdAfx.h"
#define BUFFER_SIZE 256 // The buffer size is the same as the driver's buffer size
int
WINAPI WinMain(
HINSTANCE
hInstance,
HINSTANCE
hPrevInstance,
LPTSTR
lpCmdLine,
int
nCmdShow)
{
// Open the STRINGS driver with READ and WRITE access
// ---------------------------------------------------------------------
HANDLE
hStr = CreateFile(TEXT(
"STR1:"
), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
if
(INVALID_HANDLE_VALUE == hStr)
{
MessageBox(NULL, _T("Cannot open STR1:"
), _T(
"StringApp"
), MB_OK);
return
0;
}
// Write a string to the driver.
// ---------------------------------------------------------------------
DWORD
dwWritten = 0;
WCHAR
* pString = TEXT(
"This is a test of the String Driver. This is only a test"
);
WriteFile(hStr, pString, (_tcslen(pString)+1), &dwWritten, NULL);
// Read string from driver.
// ---------------------------------------------------------------------
WCHAR
wch[BUFFER_SIZE];
DWORD
dwBytesRead = BUFFER_SIZE;
memset(&wch, '/0'
, BUFFER_SIZE *
sizeof
(
WCHAR
));
ReadFile(hStr, wch, sizeof
(wch), &dwBytesRead, NULL);
MessageBox(NULL, wch, TEXT("StringApp"
), MB_OK);
// Disconnect from driver.
// ---------------------------------------------------------------------
CloseHandle(hStr);
return
0;
}
#include
<windows.h>
#include "StdAfx.h"
#define BUFFER_SIZE 256 // The buffer size is the same as the driver's
buffer size
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
// Open the STRINGS driver with READ and WRITE access
//
---------------------------------------------------------------------
HANDLE hStr = CreateFile(TEXT("STR1:"), GENERIC_READ |
GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
if (INVALID_HANDLE_VALUE == hStr)
{
MessageBox(NULL, _T("Cannot open STR1:"), _T("StringApp"),
MB_OK);
return 0;
}
// Write a string to the driver.
//
---------------------------------------------------------------------
DWORD dwWritten = 0;
WCHAR* pString = TEXT("This is a test of the String Driver. This
is only a test");
WriteFile(hStr, pString, (_tcslen(pString)+1), &dwWritten,
NULL);
// Read string from driver.
//
---------------------------------------------------------------------
WCHAR wch[BUFFER_SIZE];
DWORD dwBytesRead = BUFFER_SIZE;
memset(&wch, '/0', BUFFER_SIZE * sizeof(WCHAR));
ReadFile(hStr, wch, sizeof(wch), &dwBytesRead, NULL);
MessageBox(NULL, wch, TEXT("StringApp"), MB_OK);
// Disconnect from driver.
//
---------------------------------------------------------------------
CloseHandle(hStr);
return 0;
}
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