基于MFC的串口程序，保存到指定文件并且绘制成图形-MFC-based serial procedures, saved to the specified file and graphed

能见度仪，亮度计232串口数据采集，并可以在MFC界面对相应数据显示，如一氧化碳，能见度信息，代码无误-Visibility meter, 232 luminance meter data acquisition, and data can be displayed in the corresponding MFC interface, such as carbon monoxide, visibility information, the code is correct