这次电脑几近崩溃，最后终于选择了linux系统，装上ubuntu，脱离了windwos里面工具，
由于做嵌入式开发，离不开串口调试，果断装上minicom，兴冲冲的接上ft232，连上开发板。
看到了启动信息，心里那个高兴啊，升级一下固件试试……键盘怎么不管用了。是失灵了吗。
经过上网查信息发现minicom有个硬件控制功能，默认有可能打开了，查看果然打开，将其关闭，一切皆好。
+-----[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 Serial port setup
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 57600 8N1 |
| F - Hardware Flow Control : No |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
| Exit from Minicom |
+--------------------------+
按F将Yes改成NO，保存修改即可