海思开发笔记：（四）海思Hi3519A通过串口连接开发板

参考：CSDN huang_jinjin minicom的配置

1、安装minicom

hisilicon@ubuntu:~$ sudo apt install minicom
[sudo] password for hisilicon: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  lrzsz
The following NEW packages will be installed:
  lrzsz minicom
0 upgraded, 2 newly installed, 0 to remove and 185 not upgraded.
Need to get 313 kB of archives.
After this operation, 1,471 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 minicom amd64 2.7.1-1 [239 kB]
Get:2 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 lrzsz amd64 0.12.21-10~build0.18.04.1 [74.8 kB]
Fetched 313 kB in 2s (173 kB/s)                                 
Selecting previously unselected package lrzsz.
(Reading database ... 120707 files and directories currently installed.)
Preparing to unpack .../lrzsz_0.12.21-10~build0.18.04.1_amd64.deb ...
Unpacking lrzsz (0.12.21-10~build0.18.04.1) ...
Selecting previously unselected package minicom.
Preparing to unpack .../minicom_2.7.1-1_amd64.deb ...
Unpacking minicom (2.7.1-1) ...
Setting up minicom (2.7.1-1) ...
Setting up lrzsz (0.12.21-10~build0.18.04.1) ...
Processing triggers for gnome-menus (3.13.3-11ubuntu1.1) ...
Processing triggers for mime-support (3.60ubuntu1) ...
Processing triggers for desktop-file-utils (0.23-1ubuntu3.18.04.2) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

2、验证USB转串口线是否己有驱动

# 如果有usbserial，说明系统支持USB转串口
hisilicon@ubuntu:~$ lsmod | grep usbserial
usbserial              49152  1 ftdi_sio

# 插上USB转串口，确认ubuntu系统是否己识别该设备
hisilicon@ubuntu:~$ dmesg | grep ttyUSB0
[  309.007290] usb 2-2.2: FTDI USB Serial Device converter now attached to ttyUSB0
[  433.314450] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0
hisilicon@ubuntu:~$ ll /dev | grep USB
crw-rw----   1 root      dialout 188,   0 May 29 10:43 ttyUSB0

3、配置minicom连接的端口

hisilicon@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        |
            +--------------------------+

# 选择 Serial port setup，选择修改A，并将串口设备修改为/dev/ttyUSB0，将硬件流控制改为NO，并根据实际需要修改波特率等参数，连海思使用默认115200 8N1。
# 如果不改硬件流控制设置，会出现Hit any key to stop autoboot时敲任意键没有反应，造成无法修改uboot配置

    +-----------------------------------------------------------------------+
    | 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?                                              |
    +-----------------------------------------------------------------------+


# 修改完成后回车，选Save setup as dfl  保存
            +-----[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        |
            +--------------------------+

4、启动minicom

hisilicon@ubuntu:~$ sudo minicom -w

Welcome to minicom 2.7.1

OPTIONS: I18n 
Compiled on Aug 13 2017, 15:25:34.
Port /dev/ttyUSB0, 10:32:45

Press CTRL-A Z for help on special keys