串口驱动各参数含义：http://blog.csdn.net/wangzhen209/article/details/32715467

Linux串口编程要点总结：http://blog.csdn.net/zhanghuiliang/article/details/2467040

Linux串口收发模式：http://blog.sina.com.cn/s/blog_4673bfa50100b5y4.html

Linux串口编程串口配置详解：http://www.cnblogs.com/chengmin/p/3818133.html

Linux串口（很值得研究的文章）：http://blog.csdn.net/w282529350/article/details/7386616

# dmesg | grep tty
# dmesg | grep ttyUSB

Decimal   Octal   Hex    Binary         Value

 -------    -----    ---      ------          -----

                      NUL    (Null char.)

                      SOH    (Start of Header)

                      STX    (Start of Text)

                      ETX    (End of Text)

                      EOT    (End of Transmission)

                      ENQ    (Enquiry)

                      ACK    (Acknowledgment)

                      BEL    (Bell)

                       BS    (Backspace)

                       HT    (Horizontal Tab)

             00A          LF    (Line Feed)

             00B          VT    (Vertical Tab)

             00C          FF    (Form Feed)

             00D          CR    (Carriage Return)

飞思卡尔提供的测试包:
package imx-test-3.0.-4.1.