在linux下的串口读写程序，包括串口的各种设置。用到open-port和set-port函数。-In linux serial port to read and write under the procedures, including a variety of serial port settings. Open-port and use set-port function.

Basic code for open the serial port. this code is very easy and usefull for starting using the cvquerryfr a me function

一个串口的程序，Linux下，包括串口的打开 初始化，以及一个main用于测试，，按需调试。-onr seril port programmer,include init_port.c open_port.c mian.c