系统运维
通信:串行, 并行, COM串口, 485总线,can总线, 单总线
Open打开设备
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
—–[configuration]——
串行设置
———————————————————————–
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
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