Ubuntu 上使用串口调试
在 Ubuntu 上可以有多种选择：
- minicom
- picocom
- kermit
篇幅关系，以下就介绍 minicom 的使用。
安装 minicom
sudo apt-get install minicom连接好串口线的，看一下串口设备文件是什么，下面示例是 /dev/ttyUSB0
$ ls /dev/ttyUSB*
/dev/ttyUSB0运行：
$ sudo minicom
Welcome to minicom 2.7
OPTIONS: I18n
Compiled on Jan 1 2014, 17:13:19.
Port /dev/ttyUSB0, 15:57:00
Press CTRL-A Z for help on special keys以上提示 CTRL-A Z 是转义键，按 Ctrl-a 然后再按 Z 就可以调出帮助菜单。
+--------------------------------------------------------------------+
Minicom Command Summary |
| |
| Commands can be called by CTRL-A <key> |
| |
| Main Functions Other Functions |
| Dialing directory..D run script (Go)....G | Clear Screen.......C |
| Send files.........S Receive files......R | cOnfigure Minicom..O |
| comm Parameters....P Add linefeed.......A | Suspend minicom....J |
| Capture on/off.....L Hangup.............H | eXit and reset.....X |
| send break.........F initialize Modem...M | Quit with no reset.Q |
| Terminal settings..T run Kermit.........K | Cursor key mode....I |
| lineWrap on/off....W local Echo on/off..E | Help screen........Z |
| Paste file.........Y Timestamp toggle...N | scroll Back........B |
| Add Carriage Ret...U |
| |
| Select function or press Enter for none. |
+--------------------------------------------------------------------+