linux下串口驱动，通过串口终端，实现在电脑上打印信息。-under linux serial port driver, print the information in the computer through the serial port terminal.

Android 调用NDk生成的动态链接路打印Helloworld，以此类推，自己可以做其他的动态链接库供Android调用-Dynamic link road to print Helloworld, Android calls NDk to generate the and so on, you can do dynamic link library other calls for Android