Ubuntu下minicom的配置

1、读写串口需要root权限，因此切换到root用户。

2、安装
# apt-get install minicom

3、配置参数

minicom -s

            +-----[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        |
            +--------------------------+

按向下键选中 Serial port setup ，按Enter进入

 +-----------------------------------------------------------------------+
    | A -    Serial Device      : /dev/ttyS0                                |
    | B - Lockfile Location     : /var/lock                                 |
    | C -   Callin Program      :                                           |
    | D -  Callout Program      :                                           |
    | E -    Bps/Par/Bits       : 115200 8N1                                |
    | F - Hardware Flow Control : No                                        |
    | G - Software Flow Control : No                                        |
    |                                                                       |
    |    Change which setting?                                              |
    +-----------------------------------------------------------------------+

按 A 修改串口设备，按Enter确认
按 E 修改波特率、数据位、校验，按Enter确认
按 F 修改 Hardware Flow Control 为NO，否则串口无法录入，按Enter确认

返回上级菜单,选择Save setup as dfl 保存上述配置,最后，选择"Exit from Minicom"命令退出。

重启minicom，使刚才的配置生效

minicom

就可以在minicom中打印出正确的串口信息