1、首先需要安装 minicom 软件包 minicom-2.3-6.1.el6.i686.rpm,安装方法这里就不多说了
2、执行命令 minicom -s,可看到如下界面
+-----[configuration]------+
| Filenames and paths |
| File transfer protocols |
| Serial port setup |
| Modem and dialing |
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
| Exit from Minicom |
+--------------------------+
选择 第3个 Serial port setup 可弹出如下界面
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 115200 5N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
其中A - Serial Device 用来设置连接的串口,因笔者笔记本没有串口,使用的是USB - Serial 转换线,这里面填写 /dev/ttyUSB0,如果没有使用转换线,则设置为对应的串口设备,E - Bps/Par/Bits 设置字节流,F - Hardware Flow Control 数据流控制(硬件),G - Software Flow Control 数据流控制(软件),与Windows下超级终端设置类似
设置好以后,按Enter,然后选择Save setup as dfl ,然后 选择 Exit,这时如果串口设置已连接的话,minicom会自动连接到该串口设备,如图所示
使用USB-串口转换线连接时注意的问题:
首先需要加载USB-Seria转换线驱动(执行命令 modprobe pl2303 即可,它是linux自带驱动),我这里使用的是PL2303,然后执行命令 dmesg | grep usb
[root@lzgonline download]# dmesg | grep pl2303
USB Serial support registered for pl2303
pl2303 2-2.1:1.0: pl2303 converter detected
usb 2-2.1: pl2303 converter now attached to ttyUSB0
usbcore: registered new interface driver pl2303
pl2303: Prolific PL2303 USB to serial adaptor driver
可以看到,pl2303已将串口转换为 ttyUSB0,这时只需要按照前面所讲将 Serial Device 设置为 /dev/ttyUSB0 即可
附modprobe命令:
modprobe - program to add and remove modules from the Linux Kernel
//modprobe是一个用来加载和卸载linux内核模块的程序
语法格式:
modprobe [ -v ] [ -V ] [ -C config-file ] [ -n ] [ -i ] [ -q ] [ -o modulename ] [ modulename ] [ module parameters ... ]
modprobe [ -r ] [ -v ] [ -n ] [ -i ] [ modulename ... ]
modprobe [ -l ] [ -t dirname ] [ wildcard ]
modprobe [ -c ]
更多介绍请参考:http://linux.die.net/man/8/modprobe