stm32采样波形同时在液晶上显示出来 并计算出频率-stm32 sampling the waveform at the same time in the liquid crystal display and calculate the frequency of

基于STM32的3.2寸ILI9320触摸屏的显示程序，带有ILI9320的画图函数-STM32-based 3.2-inch touch screen display program ILI9320 with ILI9320 Paint Function