A user-space device driver can do many of the things that kernel drivers can t, such as perform a long-running computation, block while waiting for an event, or read files from the file system. Unlike kernel drivers, a user-space device driver can us

vxworks一些程序 Char.c和Char.h是字符型设备驱动模板 Blk.c是块设备驱动模板 PCI.c是PCI设备映射内存空间模板-vxworks some programs Char.c and Char.ch is a character device driver template Blk.c is a block device driver template PCI.c are PCI devices mapped memory space templat