本程序是s3c2440芯片上串口2的驱动程序。基于vxworks操作系统，设计简洁，并按照vxworks设备驱动程序的标准接口设计。-This program is s3c2440 chip serial port 2 driver. Vxworks-based operating systems, the design simplicity, and in accordance with the standard vxworks device driver interface design.