对于OLED屏幕的调试程序，对于嵌入式设备在线观看数据，是非常有帮助的，虽然OLED程序会占用时序，不过也是不错的选择。(For OLED screen debugger, for embedded devices to watch data online is very helpful, although the OLED program will take the timing, but it is also a good choi