基于cpld 平台，VHDL语言编写，四轴两插补控制程序。包括单轴运动、两轴插补程序、CPLD与ARM通信程序。经过工程实践应用。-Based on the CPLD platform, VHDL language, four two axis interpolation control program. Including the single axis motion, two axis interpolation procedures, CPLD and ARM communication