实现IO串口通讯程序代码，主要程序是基于CAN总线的应用，可以实现计算机与飞思卡尔单片机之间的通讯功能。-IO serial communication program code to achieve the main program is based on the CAN bus applications, Computer and communication between Freescale microcontrollers.

两个MCXS128控制器之间进行CAN通讯，分别控制继电器，模拟汽车车门控制系统！(CAN communication between the two MCXS128 controllers, respectively control relays, analog car door control system!)