该程序的主要功能是实现在STM32上数字示波器的实现，可以显示频率，幅值。-The main function of this program is to achieve the STM32 implementation of the digital oscilloscope can display the frequency, amplitude.

一个通过电位器调节输出频率，带数码管显示，系统为ucos-Through a potentiometer to adjust output frequency, with digital tube display, system for ucos