qt串口通信，实现电脑端到arm的通信，-qt serial communication

简单linux下的mp3 设计 支持电脑串口通信操作 实现下一曲 上一曲 停止等 只支持mp3 -Mp3 designed to support the operation of the computer serial communication simple linux one on one stop only supports mp3

ARM上开发的串口通信程序，用于打印调试信息，能像电脑Printf那样使用-On ARM serial communication program development, debugging information for printing, can be used like a computer Printf