清单2. minicom串行端口设置菜单。
本文介绍如何使用串行通信端口来设置调试环境、如何编译经过修改的内核代码，以及如何开始内核调试。
This article shows you how to set up the debug environment using serial communication port, how to compile modified kernel code, and how to start kernel debugging.
将串行电缆连接到BeagleBoard - xM ' s DB 9端口和您的主机上，然后在设置模式下以根用户启动minicom。
Connect the serial cable to the BeagleBoard-xM's DB9 port and your host, and launch minicom in setup mode as root.
最显著的一个问题就是，清单6中的接口在设置或检索每个位，以及从串行端口读取字节或者向串行端口写入字节都需要一个JNI调用。
The most obvious issue is that the interface in Listing 6 requires a JNI call for each bit set or retrieved, as well as a JNI call to read a byte from, or write a byte to, the serial port.
利用双向串行端口，可在软件中进行输入通道选择、增益设置和信号极性配置。
Input channel selection, gain Settings and signal polarity can be configured in software using the bidirectional serial port.
利用双向串行端口，可在软件中进行增益设置、信号极性选择和RTD电流控制配置。
Gain Settings, signal polarity and RTD current control can be configured in software using the bidirectional serial port.
利用双向串行端口，可在软件中进行增益设置、信号极性选择和RTD电流控制配置。
Gain Settings, signal polarity and RTD current control can be configured in software using the bidirectional serial port.
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