该程序是不占用资源的串口数据捕捉.同一台计算机中,再有其他应用程序或设备同时占用一个或多个串口的情况下,捕捉这些串口的通信数据-The program is not occupied by the serial data capture resources. The same computer, and then have other applications or devices at the same time occupied by one or more serial circumstances, capture these serial communications data