编写基于DSP的PID汇编子程序，基于CC4.0的软件仿真器Simulator调试程序，并用CC4.0的Graph功能观测PID控制器的输出波形。-prepared DSP-based PID compilation subroutine, Based on the CC4.0 Simulator Simulator software debugging procedures, CC4.0 using the Graph function observation PID controller o