这是一个在linux下PCI设备的驱动程序，自己已经试验过，在驱动程序中将连接设备的ID号修改后就能正确的map到基地址，从而进行对PCI设备地址的读写操作。其中还要用到mmap函数，这属于上层软件开发的内容，就不多说了-This is a PCI device in linux drivers, they have tested, connect the device in the driver' s ID number will be modified to be able to correctly map the base address of PCI device address in order to read and write operations. Which also uses mmap function, which is the content of the top software development, not to say