项目中包含一个软件时钟，通过案件来调节1602 显示时间。linux下总线设备驱动架构 还有总线架构 大容量flash 1602液晶驱动 ps2 鼠标驱动的实现。-Project contains a software clock, through cases to adjust the 1602 show time. linux device driver architecture under the bus as well as large-capacity flash 1602 bus a