系统运维
通信：串行， 并行， COM串口， 485总线，can总线， 单总线
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配置设备 tcsetatttr， tcgetattr
Write， read 写/读数据
关闭close
一.虚拟机串行端口设置:
1.关闭Ubuntu
2.接好6818开发板串口
3.打开:编辑虚拟机设置
4.点击下方:添加
5.点击: 串行端口
6.点击:完成
7.OK
8.开启Ubuntu
二.Linux下minicom配置
1.安装 :sudo apt-get install minicom
sudo minicom
ctrl+A ----> O ----> Serial port setup
gec@ubuntu:~$ sudo 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 |
+--------------------------+
串行设置
+-----------------------------------------------------------------------+
|
A - Serial Device : /dev/ttyS2 |
|
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?
+-----------------------------------------------------------------------+
回车
保存 -----> Save setup as dfl
+-----[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 |
+--------------------------+
回车 ------------>>>> Exit from Minicom
sudo minicom ----->>> 回车 (若光标下移,则成功,否则改Serial Device : /dev/ttyS2,还不行就一直往上加)
Minicom发送文件
进入minicom终端 : sudo minicom
Welcome to minicom 2.5
OPTIONS: I18n
Compiled on May 2 2011, 00:39:27.
Port /dev/ttyS2
Press CTRL-A Z for help on special keys
[root@GEC6818 /]#AT S7=45 S0=0 L1 V1 X4 &c1 E1 Q0
-/bin/sh: c1: not found
-/bin/sh: AT: not found[root@GEC6818 /]#
[1]+ Done(127) AT S7=45 S0=0 L1 V1 X4
[root@GEC6818 /]#
[root@GEC6818 /]#
root@GEC6818 /]#rx write_serial 回车
输入完后按ctrl+a +s
当前题目：minicom:6818开发板串口的Ubuntu界面配置
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