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linux下如何使用USB转串口设备

时间:2018-06-30 13:29:00

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linux下如何使用USB转串口设备

1. #lsmod | grep usbserial(如果直接使用串口线,而没有用到USB转串口设备,此步可以跳过)

如果有usbserial,说明系统支持USB转串口。

2. 安装minicom (Fedora自带有minicom,此步可以跳过)

apt-get install minicom

apt-get install lrzsz

3. 配置minicom

#minicom -s

Serial port setup[Enter]

+-------------------------------------------------------------+

| A - Serial Device :/dev/ttyUSB0|

| 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? |

+-------------------------------------------------------------+

注: 如果没有使用USB转接口,Serial Device要配置为/dev/ttyS0

Save setup as dfl

Exit from Minicom

4. 使用minicom传输文件

-----------------------------------

# minicom

(Ctrl + a) --> s --> zmodem --> [Okay] -->

+-----------------------------------------+

|No file selected - enter filename: |

|> /home/zxl/ssl/codes/led/lls_led.ko | [Enter]

+-----------------------------------------+

注: download kernel by minicom in ubuntu

--------------------------------------------------

When I download linux kernel by x protocol in minicom, it says"Failure executing protocol, press any key to continue".

The problem is the x protocol isn't installed bye ubuntu by default, so you should install it by hand:

# apt-get install lrzsz

After successful download and install, you can send files by x protocol in minicom.

lrzsz包括了x/y/zmodem协议

安装lrzsz

--------------------------------------------------

1. 从下面的网站下载lrzsz-0.12.20.tar.gz

/m/lrzsz-0.12.20.tar.gz.280938.0.0.html

2. tar zxvf lrzsz-0.12.20.tar.gz

3. 查看里面的INSTALL文档了解安装参数说明和细节

4. # cd lrzsz-0.12.20

5. # ./configure --prefix=/usr/local/lrzsz

6. # make

7. # make install

8. 建立软链接

# cd /usr/bin

# ln -s /usr/local/lrzsz/bin/lrz rz

# ln -s /usr/local/lrzsz/bin/lsz sz

这样minicom就可以使用zmodem传输文件了

配置文件所在目录

--------------------------------------------------

Ctrl + a o

+-----[configuration]------+

| Filenames and paths |

| File transfer protocols -|

| Serial port setup |

| Modem and dialing |

| Screen and keyboard |

| Save setup as dfl |

| Save setup as.. |

| Exit |

+--------------------------+

+-----------------------------------------------------------------------+

| A - Download directory : /home/zxl |

| B - Upload directory : /tmp |

| C - Script directory : |

| D - Script program : runscript |

| E - Kermit program : |

| F - Logging options |

| |

| Change which setting? |

+-----------------------------------------------------------------------+

A - download 下载的文件的存放位置

B - upload 从此处读取上传的文件

download 开发板 ---> PC

upload PC ---> 开发板

B - Upload directory : /tmp

PC机向开发板发送文件,需要发送的文件在/tmp目录下(PC机上的目录)。做了此项配置后,每次向开发板发送文件时,只需输入文件名即可,无需输入文件所在目录的绝对路径

开发板 ---> PC

--------------------------------------------------

开发板上的(操作)命令

# sz filename

开发板上的文件filename将被传输到PC机上/home/zxl目录下

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