BR-2/3AGCT4A 百花齐放

发布时间:2020-01-16
单片机系统的调试通常是在开发仿真系统上完成,后者把它的硬件(CPU和存储器)和软件资源(被调试程序和参数)暂时出借给前者,并模拟其工作环境,对其软、硬件进行调试和修改。
  嵌入式PLC 属于单片机系统,在调试过程中没有购买价格昂贵的仿真装置,而是充分利用双端口RAM IDT7130的中介作用,以及上位机操作方便、运行结果直观的特点,通过编写一特殊程序,将其固化在89C52的EPROM中,根据该程序中设置的标志条件,把硬件电路和软件模块按照分块、联调的顺序进行调试,具体做法流程描述如下:
  1)在上位机中以子程序的形式编写好将要调试的嵌入式PLC系统的程序功能模块,借助于工具软件ASM51将其汇编为二进制(.BIN)文件。
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