vxworks系统的MPC837x系列的驱动库，已在数据采集项目中对485、以太网等驱动进行了优化，特别优化了加载速度，对启动时间有要求的项目有参考意义。-vxworks system MPC837x series driver library, has been in the project for 485 data acquisition, Ethernet drivers have been optimized, in particular to optimize the loading