如何将自制的键盘值传送给内核

Question

自制4×5键盘，按键值通过中断得到，已经编写成dll，同过上层程序调用，但是不知如何把按键值传递给程序。

 

DWORD KBInit(unsigned char*value)
{
     HANDLE ent0IST;
   ent0IST=CreateThread(0,0,(LPTHREAD_START_ROUTINE)IRQThread,0,CREATE_SUSPENDED,NULL);
    if(ent0IST==0)
 {
         RETAILMSG(1, (TEXT("::: CreateThread() Fail\r\n")));
 }
 CeSetThreadPriority(ent0IST,120);
 ResumeThread(ent0IST);
   while(1){Sleep(100);}
 return 0;
}

void IRQThread()
{
    RETAILMSG(1,(TEXT("My IRQ is begin!\n")));
    RETAILMSG(1, (TEXT("::: helllo\r\n")));
       int dwIrq=36;
   EINT0init();
   initKbdIOPort();
    g_ENT0interrupt=CreateEvent(NULL,FALSE,FALSE,NULL);
 if(g_ENT0interrupt==NULL)
 {
       RETAILMSG(1, (TEXT("create event failling\r\n")));

 }
 if(!SetEvent(g_ENT0interrupt))
 {
       RETAILMSG(1, (TEXT("set event failling\r\n")));
 
 }
    KernelIoControl(IOCTL_HAL_TRANSLATE_IRQ,&dwIrq,sizeof(dwIrq),&g_dwSysInt,sizeof(g_dwSysInt),NULL);
  RETAILMSG( 1,(TEXT("%d\r\n"),g_dwSysInt));
     if (!(InterruptInitialize(g_dwSysInt,g_ENT0interrupt,NULL,0)))
 {
  RETAILMSG(1, (TEXT("InterruptInitialize failling\r\n")));

 }
 while(1)
 {
     if( WaitForSingleObject(g_ENT0interrupt,INFINITE)==WAIT_OBJECT_0)
  {
     submask=KbValue();          //读取按键值，如何将submask的值传递给上层程序？？？？？？？
        RETAILMSG(1, (TEXT("%x \n"),submask));
  InterruptDone(g_dwSysInt );
  }
  RETAILMSG(1, (TEXT("333333333333333333333\r\n")));
 }
}

submask=KbValue();          //读取按键值，如何将submask的值传递给上层程序？？？？？？？