该程序在DSP2407芯片上实现捕获中断,通过捕获中断计算出外部信号的频率。频率的数值通过数码管显示出来。是一个C语言工程文件,对dsp2000编程很有参考意义。-The program in the DSP2407 chip capture interrupt, interrupted by capturing external signals to calculate the frequency. Numerical frequency through digital tube displa