需要用服务器调试防火墙，没有串口，只能用usb转接口接了串口。简单记录使用minicom连接过程。
1. 确认驱动
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<span style="box-sizing: border-box; padding-right: 0.1px;">dmesg|grep ttyUSB0</span> <span style="box-sizing: border-box; padding-right: 0.1px;">[546072.956140] usb <span style="box-sizing: border-box; color: #116644;">3</span><span style="box-sizing: border-box; color: #0000cc;">-14</span>: pl2303 converter now attached to ttyUSB0</span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#如出现类似信息，则说明驱动已正常</span></span> |
2.确认传输速率
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stty -a -F /dev/ttyUSB0 |
3.安装minicom
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yum -y install minicom |
4.minicom设置
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<span style="box-sizing: border-box; padding-right: 0.1px;">minicom <span style="box-sizing: border-box; color: #0000cc;">-s</span> <span style="box-sizing: border-box; color: #aa5500;">#设置</span></span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#1.选择Serial port setup 并回车进入修改</span></span> <span style="box-sizing: border-box; padding-right: 0.1px;">A <span style="box-sizing: border-box; color: #0000cc;">-</span> Serial Device : /dev/ttyUSB0</span> <span style="box-sizing: border-box; padding-right: 0.1px;">E <span style="box-sizing: border-box; color: #0000cc;">-</span> Bps/Par/Bits : <span style="box-sizing: border-box; color: #116644;">9600</span> 8N1 <span style="box-sizing: border-box; color: #aa5500;">#刚才查出的波特率 选择C 设置9600 8N1 </span></span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;"># 修改好后回车返回主菜单</span></span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#2.选择Save setup as dfl 保存为默认设置</span></span> |
5.minicom使用
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<span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#在使用上很不习惯，需要记录一下</span></span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#ctrl+a 是功能菜单，按出此功能后，再按z,可以查看帮助</span></span> <span style="box-sizing: border-box; padding-right: 0.1px;"><span style="box-sizing: border-box; color: #aa5500;">#crtl+a 然后再按x，是退出</span></span> |