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现在可以驱动串口0正常工作，可以接受和发送数据，但是因为需要，要用到串口1.两个串口同时工作。要怎样通过预编译来驱动串口1？谢谢
没人知道？
可以，请看一下这篇文档，讲得比较详细：http://blog.csdn.net/d4l6c8/article/details/41220195
