数字控制系统软件设计，包括DSP中断服务子程序和CPLD逻辑控制。
The design of digital control system includes DSP interrupt service routine and CPLD logic control.
中断服务子程序内容：灯全部熄灭，2秒钟后发光二极管全部点亮，再过1秒钟后中断返回。
The contents of the interrupt service routine: all the lights off, 2 seconds later all the light-emitting diode, another 1 second to return after the break.
分析了系统软件的功能，采用模块化软件设计方法，设计了控制系统主程序、中断服务程序以及子程序。
After analysis the function of system software, main program, interrupt service program and subroutine were designed use modeling develop ways.
系统软件包括主程序，市电过零中断服务程序和多种子程序构成，采用模块化方法设计。
The system softwares include main program, voltage zero interrupt program and other sub-program, The system is designed with the model block.
系统软件包括主程序，市电过零中断服务程序和多种子程序构成，采用模块化方法设计。
The system softwares include main program, voltage zero interrupt program and other sub-program, The system is designed with the model block.
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