在Windows2000下用多线程实现1394串行总线通信

sp;    file://开中断
WD_IntWait(hWD,&Intrp);          file://等待中断
……                            file://判断中断类型，复位中断寄存器
if(RxDta)                        file://接收中断
{  Data   =  QuadletReadLLC(GRFStatusReg);    file://读GRF状态寄存器
WriteCount  =  (BYTE)Data & 0xff;            file://获得接收数据包的大小
  pt  = (PLISTBLOCK)malloc(sizeof(LISTBLOCK)); file://申请节点pt存放数据包
pd  = (DWORD*)malloc(WriteCount*sizeof(DWORD));
pt->pdata  = pd;
pt->next   = NULL;
     for(i=0;i<=WriteCount;i++，pd++) &n

bsp;       file://读GRF的数据
     *pd = QuadletReadLLC(GRFReg);
     ps  = &rBuf;                          file://给链表rBuf尾插入数据节点pt
  while(ps->next!=NULL) ps=ps->next;
  ps->next   = pt;
     SendMessage(hWnd,WM_MY_MESSAGE,0,0);  file://发送接收到数据包的消息
}
    if(TxRdy)                              file://发送中断
    {   m_cs.Lock();                       file://锁定临界资源
  p  = &sBuf;
    if(p->next!=NULL)                 file://sBuf不为空
&nbs

《在Windows2000下用多线程实现1394串行总线通信(第3页)》