ucos2.90版本源码，可以在此基础上做修改，移植在stm32F4上边-Ucos2.90 version of the source code, can be modified on the basis of above, the transplant in stm32F4

stm32f4 ucos ，包含了按键扫描和防抖的处理，按键可以实现长按短按，短按弹起，长按弹起-stm32f4 ucos, it contains a key-scan and image stabilization process, the key can achieve long press short press, short press bounce, bounce press

一个不错的stm32f4示波器源码，可以用3路adc测波形并且把波形显示到屏幕上而且还可以显示幅度(A good stm32f4 oscilloscope source code, you can use 3 ADC waveform measurement, and the waveform displayed on the screen, but also can display amplitude)