文件I/O编程之： 嵌入式Linux串口应用编程

./com_reader

The received words are : hello, Reader!

The received words are : I'm Writer!

The received words are : This is a serial port testing program.

The received words are : quit

另外，读者还可以考虑一下如何使用select()函数实现串口的非阻塞读写，具体实例会在本章的后面的实验中给出。