Getting Started with R2PRO

Android

Prepare

1. Double male USB data cable.

2. MicroUSB cable or usb to ttl cable if you need debug.

3. Windows or Linux PC.

4. Download the latest android image, and confirm that the md5 checksum is correct.

Install Image with Usb Download Tool

Windows

1. Download and install Rockchip USB driver for windows

File:Driver install.PNG

2. Download Rockchip USB Download Tool for windows

This tool defaults language is Chinese. you can change it to English after extract the package. Open RKDevTool_Release_v2.84/config.ini with an text editor (like notepad). The starting lines are:

 #Language Selection: Selected=1(Chinese); Selected=2(English)
 [Language]
 Kinds=2
 Selected=1
 LangPath=Language\

3. Open RKDevTool.exe, Switch to the “upgrade firmware” page. Press the “firmware” button to open the image file to be upgraded. The upgrade tool displays detailed firmware information.

4. Disconnect power adapter, connect dual male usb cable from the top usb host port to PC.

5. There have two usb download mode for image upgrade.

• Uboot Usb Download Mode (loader mode)

It's supposed to use this way if board already flashed a bootable uboot before.

• Maskrom Usb Download Mode

Press the Recovery button or Maskrom button beside 3pin uart header and hold, connect the power adapter or press the RST button if power adapter already connected, about two seconds later, release the button. PC will Identify the device if RK usb driver installed correctly.

The download tool also show the download mode if device connected.

6. Press the “upgrade” button to start the upgrade.

7: If the upgrade fails, you can try to erase the Emmc by pressing the EraseFlash button first, and then upgrade image again.

Linux

1. Download Linux USB Download Tool, And install it into the system as follows for easy invocation:

 $ unzip Linux_Upgrade_Tool_xxxx.zip
 $ cd Linux_UpgradeTool_xxxx
 $ sudo mv upgrade_tool /usr/local/bin
 $ sudo chown root:root /usr/local/bin/upgrade_tool
 $ sudo chmod a+x /usr/local/bin/upgrade_tool

2. Check the windows download processes, enter the right usb download mode and upgrade image firmware with this command:

 $ sudo upgrade_tool uf update.img

3: If the upgrade fails, try erasing the emmc and upgrade again.

 $ sudo upgrade_tool ef update.img

 # upgrade again
 $ sudo upgrade_tool uf update.img

USB OTG Mode Switch

The top usb port is a usb 3.0 otg port, but without hw id pin, it only can be used as host or peripheral.The release image set host mode default, you can change it in Settings->Connected devices->USB Connect to PC, switch on is peripheral mode and switch off is host mode.