该工程是飞思卡尔单片机MC9S12HY64芯片的开发板测试程序，修改该程序，并实现CAN总线通讯和LCD驱动等功能；-The project is the development of Freescale' s microcontroller MC9S12HY64 chip board test program, modify the program, and CAN bus communication and the LCD driver functions