友善之臂mini2440上的ucosii实例，支持串口打印和LCD显示的驱动。-An example of ucosii ,tested with mini2440, which supports serial printer and LCD display driver.

外置打印机驱动，通过232串口对接，实现打印和控制的功能。-External printer driver, through the 232 serial docking, realize print and control function.