用Pci1230read（g_cardid,&readdidata)读取地址，怎么样实体按钮按下去响应此函数。
http://wenku.baidu.com/link?url=Aqzt7PwVffNhbaZ_duPnShwty0ipcPc9eLFfz2qmTUJcb35ENuCUGpBKCIArcUvD9EveLd24HB7prDpguSgxMdVLCxEyYZHZsmVuPIVjcoO