在STM32上移植的STemWin图形操作界面，带触摸，可以直接使用-STM32 on the transplant STemWin graphics interface, with touch, you can directly use

实现多通道ADC采集，通过图形界面显示，通过操作DDS信号发生器实现扫频，将天线阻抗信息现实吧到屏幕(Multi-channel ADC acquisition, through the graphical interface display, through the operation of DDS signal generator to achieve frequency sweep, the antenna impedance information to the screen reali