汽车4轮定位系统的源代码，在阿特拉MAX8000系列上用MaxplusII调试通过（7000系列不能用），直接烧入cpld即可。-4-wheel vehicle positioning system source code, in the atrazine MAX8000 series on debugging with MaxplusII adopted (the 7000 series can not be used), can be directly burned into the cpl