Rock PI Development Notes (II): start with rock PI 4B plus (based on Ruixing micro rk3399) board and make system operation

Preface

   Starting with rock pi 4b plus The board , Check the specific objects , Then make the system , Brush system , Let the rock and roll ubuntu The system is up and running .

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Rock Pi 4B plus

Introduce

  ROCK Pi 4 yes Radxa be based on Rockchip RK3399 Of SBC（ Single board computer ）. It can run android Or some Linux Distribution version .ROCK Pi 4 Equipped with six cores ARM processor 、64 Bit two channel 3200Mb/s LPDDR4、 The highest [email protected] HDMI、MIPI DSI、MIPI CSI、3.5mm Microphone jack 、802.11 ac WIFI、 bluetooth 5.0、USB port 、GbE LAN、 40 Pin color expansion connector ,RTC. Besides ,ROCK Pi 4 Support USB PD and QC Power supply . ROCK Pi 4 There are two models , model A And models B, Each model has 1GB、2GB or 4GB Memory options .
  

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System startup mode

Use emmc start-up

   buy plus Bring their own emmc, Will use emmc.
  

Use tf Card activation

  Plus edition , Before use emmc Before （emmc You can use it before you brush the system tf Card activated ,A、B、C You can use ）, So emmc and tf Can be switched （emmc It's a converted version , No, plus Welding in pcb So stable on the ）.
  

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Start with the board

Material object

   Start with rock pi 4b plus, On board emmc, Configure to 4GB Memory /64GB Of emmc（emmc Once you brush the system , Can no longer be used tf Card activation ）, Yes tf Card slot ,tf Memory card supports the most 128GB.
  
  
  
  
  RK3399 The size of the chip is 21 x 21 The square of ：
  
   Be careful ：

• QC Power Supply ： Fast charging head supporting fast charging , It's not normal to charge your mobile phone 5V Of , Is the voltage range again 9~20V Of ,RK3399 The board power supply is 12V The majority .（PS：5V You can run, too , Maybe running and crashing , Later, I will test ）.
• Shuanggongtou USB Line （ important ）： This is the brush system to emmc Required line , There is no... In the package , and plus Version of , Once brushed emmc, Can't use tf The card is activated , need    Be careful .
     Before the author Hi3516AV100 Development board belt , Here's the picture （ The one marked in red ）：
    

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Prepare before burning

Burning tools

  （ Be careful ： Must be 2.69 Version of the brush tool ）.
  

Bin file

   Downloaded from the official website .
  

Ubuntu System （ Mirror image ）

  （PS： With other systems , Readers themselves ）
  

install USB drive

  

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Start burning

Step one ： connection

  

Step two ： Turn on the burn tool

  

Step three ： Power up the motherboard

  （ According to the development data, it is necessary to press one more key and power on , The author brushes for the first time , You can recognize it without pressing a button , I don't care about the buttons , Be careful , Equipment identification line installation USB The driver 1）
  
  （ Post test , Brush again , If there is a system, you need to press the key , Can also be run Brush in ）
  

Step four ： choice bin and image file

  
   Be careful ： Supporting system , There are multiple mirrors , Some are .gz Need to decompress , Here's the picture ：
  

Step five ： Click on run

  

Download successful , Here's the picture ：
  

Step six ： After successful brushing , The blue light on the motherboard will be constant

  

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Check the normal operation of the system

A serial port connection

  （ It will be introduced later , Just connect like this first ）, Here's the picture ：
  
  TXD Wired RTX,RTX Wired TXD, Here's the picture ：
  
   After connecting , Here's the picture ：
  
   Then install a debuggable terminal software , Open the corresponding serial port ,（ Be careful ： I am used to using virtual machines ubuntu do arm Development , Ensure the development environment , So use virtual machines ubuntu 了 ）, Here's the picture ：
  

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System interface

   Succeed , Here's the picture ：
  
  
   The interface is command-line , There is no official with a desktop ubuntu, Here's the picture ：
  

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Install desktop running environment

   When installing , Network required , And it takes dozens of minutes .

Log in and copy

sudo apt-get update
sudo apt-get install gnome-core

     

      
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   After the installation , Here's the picture ：