VIA Technologies SOM-9X35-STK Manual de usuario
QUICK START GUIDE
VIA SOM-9X35-STK
Android 10.0 EVK
1.00-15032022
Copyright
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
Revision History
Version Date Remarks
1.00 15/03/2022 Inial release
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
Table of Contents
1. Introducon.................................................................................................................................................... 1
1.1 EVK Package Contents........................................................................................................................... 1
1.1.1 Firmware Folder Contents ............................................................................................................. 1
1.1.2 Document Folder Contents............................................................................................................ 1
1.1.3 Tool Folder Contents...................................................................................................................... 1
1.2 Version Informaon and Supported Features....................................................................................... 2
2. Image Installaon .......................................................................................................................................... 3
2.1 Installing with the Fastboot Mode ........................................................................................................ 3
3. Hardware Funcons ....................................................................................................................................... 5
3.1 Using the Debug Console...................................................................................................................... 5
3.2 Changing the Kernel Debug Level ......................................................................................................... 6
3.3 Checking the BSP Version...................................................................................................................... 6
3.4 DVFS...................................................................................................................................................... 7
3.5 Display................................................................................................................................................... 7
3.6 Camera.................................................................................................................................................. 7
3.7 MTK NeuroPilot AI APU Hardware Acceleraon................................................................................... 8
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
1. Introducon
This Quick Start Guide provides an overview of how to boot the Android image for the VIA SOM-9X35-STK and
congure the supported hardware funcons in the build.
Note:
The VIA SOM-9X35-STK includes the VIA SOM-9X35 module and the VIA VAB-935 reference carrier board.
The VIA SOM-9X35-STK Android 10.0 EVK is developed based on the MediaTek Android 10.0 BSP, and it enables
the hardware features of the VIA SOM-9X35-STK.
1.1 EVK Package Contents
There are three folders in the package listed as below.
Firmware folder Descripon
VIA_SOM-9X35-STK_Android_10.0_EVK.zip Android image
Document folder Descripon
VIA_SOM-9X35-STK_Android_10.0_EVK_Quick_Start_Guide.pdf Quick Start Guide
Tool folder Descripon
VIA_Android_USB_Driver.zip VIA USB driver
1.1.1 Firmware Folder Contents
VIA_SOM-9X35-STK_Android_10.0_EVK.zip: Contains the precompiled Android image for evaluang the VIA
SOM-9X35-STK.
1.1.2 Document Folder Contents
VIA_SOM-9X35-STK_Android_10.0_EVK_Quick_Start_Guide.pdf: This Quick Start Guide provides an overview
on how to boot the Android image for the VIA SOM-9X35-STK and congure the supported hardware funcons
in the build.
1.1.3 Tool Folder Contents
VIA_Android_USB_Driver.zip: VIA USB driver.
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
1.2 Version Informaon and Supported Features
• Kernel version: 4.14.141
• Evaluaon image: Android 10.0
• Development based on MediaTek Android 10.0 BSP
• Supports eMMC boot
• Supports HDMI display
• Supports HDMI audio output
• Supports MIPI DSI capacive touch panel
−ShenZhen K&D 7" KD070D54-39NH-B018-A (1024x600)
−Silead GSL1680 I2C touch
• Supports COM port as RS-232 mode (TX/RX)
• Supports 10/100Mbps Ethernet port
• Supports MediaTek MT6357 Line-out and Mic-in
• Supports MediaTek MT6631 Wi-Fi 802.11ac and Bluetooth 5.0
• Supports VIA EMIO-2573 (EC25) 4G LTE mobile broadband miniPCIe module
• Supports MIPI CSI IMX135 camera module
• Supports MediaTek NeuroPilot AI APU hardware acceleraon
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
2. Image Installaon
This secon explains the setup requirements for boong from the eMMC.
The precompiled images are provided in the "Firmware" folder.
2.1 Installing with the Fastboot Mode
The rst step is to prepare the "fastboot tool" and install the "VIA USB driver" into your Windows 10 host
machine.
To get the "fastboot tool" for Windows, please refer to the "SDK Plaorm Tools release notes" chapter on the
Android developer website (hps://developer.android.com/studio/releases/plaorm-tools).
To install the "VIA USB driver", right-click on the mouse buon to install the "android_winusb". When nished,
it will show "The operaon completed successfully".
Then connect the Windows 10 host machine and the VIA SOM-9X35-STK through the Micro USB 2.0 port using
the Micro USB cable.
Micro USB
Micro USB 2.0 port diagram
Plug in the AC-to-DC power adapter to power on the VIA SOM-9X35-STK.
The VIA SOM-9X35-STK will stop at "fastboot: processing commands" as shown in the debug console below.
Fastboot Mode
Note:
Make sure the Windows 10 host machine detects the VIA SOM-9X35-STK as an Android device.
Extract the VIA_VAB-935-STK_Android_10.0_EVK.zip les on your Windows 10 host machine.
To install the image, use the following command:
D:\VIA_SOM-9X35-STK_Android_10.0_EVK>set PATH=D:\platform-tools;%PATH%
D:\VIA_SOM-9X35-STK_Android_10.0_EVK>viaash.exe --android
VIA: Operating system is Android
VIA: installing preloader.img
VIA: installing GPT.img
VIA: erasing proinfo partition
VIA: erasing boot_para partition
VIA: installing cam_vpu1.img
VIA: installing cam_vpu2.img
VIA: installing cam_vpu3.img
VIA: erasing nvram partition
VIA: installing protect1.img
VIA: installing protect2.img
VIA: installing persist.img
VIA: installing nvcfg.img
VIA: erasing seccfg partition
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
VIA: installing lk.img
VIA: installing lk.img
VIA: installing boot.img
VIA: installing recovery.img
VIA: erasing para partition
VIA: installing logo.bin
VIA: installing dtbo.img
VIA: erasing expdb partition
VIA: erasing frp partition
VIA: installing tee.img
VIA: installing tee.img
VIA: erasing kb partition
VIA: erasing dkb partition
VIA: erasing metadata partition
VIA: installing vbmeta.img
VIA: installing nvdata.img
VIA: installing vbmeta_system.img
VIA: installing vbmeta_vendor.img
VIA: installing super.img
VIA: installing cache.img
VIA: installing userdata.img
VIA: rebooting target system
D:\VIA_SOM-9X35-STK_Android_10.0_EVK>
If you have already installed the image, use the following command to enter the Fastboot Mode on your
Windows 10 host machine.
D:\platform-tools>adb reboot bootloader
Unplug the AC-to-DC power adapter to power o the VIA SOM-9X35-STK.
Unplug the Micro USB cable, press the Power Buon for 2 seconds, then release it to power on the VIA SOM-
9X35-STK.
When the boot process has completed, you will see the Android 10.0 desktop.
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
3. Hardware Funcons
This secon explains how to enable and test the hardware funcons precompiled in the Android 10.0 EVK
including using the debug console.
3.1 Using the Debug Console
Insert one plug connector of the 4-pin FFC cable into the J3 port labeled "UART0" on the VIA SOM-9X35
module, ensuring that the gold nger of the FFC cable faces down.
UART0 Port
Insert the other plug connector of the 4-pin FFC cable into the 4-pin FFC port located on the USB to UART
debug board, ensuring that the gold nger of the FFC cable faces down.
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VIA SOM-9X35-STK Android 10.0 EVK Quick Start Guide
FCC Port
Connect the Windows 10 host machine through the Micro USB 2.0 port on the USB to UART debug board using
the Micro USB cable.
Use a serial port communicaon program such as PuTTY or Tera Term to connect the debug console. Set the
console Baud Rate to "921600".
Next, power on the VIA SOM-9X35-STK to iniate the boot process.
When the boot process has completed, log in to the debug console.
3.2 Changing the Kernel Debug Level
To disable the kernel messages, modify the debug level using the following command:
console:/ # su
console:/ # echo 3 > /proc/sys/kernel/printk
3.3 Checking the BSP Version
To check the BSP version, use the following command:
console:/ # cat /proc/version
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