VIA Technologies ARTiGO A3000 Manuale utente

QUICK START GUIDE
VIA ARTiGO A3000
Yocto 3.1 EVK
1.00-07092023

Copyright
Copyright © 2023 VIA Technologies Incorporated. All rights reserved.
No part of this document may be reproduced, transmied, transcribed, stored in a retrieval system, or translated into any language, in any
form or by any means, electronic, mechanical, magnec, opcal, chemical, manual or otherwise without the prior wrien permission of
VIA Technologies, Incorporated.
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Disclaimer
VIA Technologies makes no warranes, implied or otherwise, in regard to this document and to the products described in this document.
The informaon provided in this document is believed to be accurate and reliable as of the publicaon date of this document. However,
VIA Technologies assumes no responsibility for the use or misuse of the informaon (including use or connecon of extra device/
equipment/add-on card) in this document and for any patent infringements that may arise from the use of this document. The informaon
and product specicaons within this document are subject to change at any me, without noce and without obligaon to nofy any
person of such change.
VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any me without prior noce.
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iii
VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
Revision History
Version Date Remarks
1.00 07/09/2023 Inial release

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VIA ARTiGO A3000 Yocto 3.1 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 Enabling ADB Debugging ...................................................................................................................... 5
3.2 Changing the Kernel Debug Level ......................................................................................................... 5
3.3 Checking the BSP Version...................................................................................................................... 5
3.4 DVFS...................................................................................................................................................... 6
3.5 Video playback...................................................................................................................................... 6
3.6 Audio Output and Recording ................................................................................................................ 6
3.7 Wi-Fi...................................................................................................................................................... 7
3.8 Bluetooth .............................................................................................................................................. 8
3.9 MTK NeuroPilot AI APU Hardware Acceleraon ................................................................................... 9

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VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
1. Introducon
This Quick Start Guide provides an overview of how to boot the Yocto image for the VIA ARTiGO A3000 and
congure the supported hardware funcons in the build.
The VIA ARTiGO A3000 Yocto 3.1 EVK is developed based on the MediaTek Yocto 3.1 BSP, and it enables the
hardware features of the VIA ARTiGO A3000.
1.1 EVK Package Contents
There are three folders in the package listed as below.
Firmware folder Descripon
VIA_ARTiGO_A3000_Yocto_3.1_EVK.zip Yocto evaluaon image
Document folder Descripon
VIA_ARTiGO_A3000_Yocto_3.1_EVK_Quick_Start_Guide.pdf Quick Start Guide
Tool folder Descripon
VIA_Android_USB_Driver.zip VIA USB driver
np3.0.tgz A sample test program
1.1.1 Firmware Folder Contents
VIA_ARTiGO_A3000_Yocto_3.1_EVK.zip: Contains the precompiled Yocto image for evaluang the VIA ARTiGO
A3000.
1.1.2 Document Folder Contents
VIA_ARTiGO_A3000_Yocto_3.1_EVK_Quick_Start_Guide.pdf: This Quick Start Guide provides an overview on
how to boot the Yocto image for the VIA ARTiGO A3000 and congure the supported hardware funcons in the
build.
1.1.3 Tool Folder Contents
VIA_Android_USB_Driver.zip: The VIA driver for ADB-over-USB.
np3.0.tgz: A sample program to test MTK NeuroPilot AI APU hardware acceleraon..

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VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
1.2 Version Informaon and Supported Features
• Kernel version: 4.14.87
• Evaluaon image: Yocto 3.1
• Development based on MediaTek Yocto 3.1 BSP
• Supports eMMC boot
• Supports HDMI display
• Supports HDMI audio output
• 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 MediaTek NeuroPilot AI APU hardware acceleraon

3
VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
2. Image Installaon
This secon explains the setup procedures for boong from the eMMC.
The precompiled images are provided in the "Firmware" folder.
2.1 Installing with the Fastboot Mode
Follow the steps below to install Yocto EVK image:
Step 1
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 "android_winusb" and select "Install".
Then click "Install" when the installer opens.
When the installer nishes, it will show a conrmaon message "The operaon completed successfully".
Step 2
Connect the Windows 10 host machine and the VIA ARTiGO A3000 through the Micro USB 2.0 port using the
Micro USB cable.
Micro USB 2.0 OTG
Micro USB 2.0 port diagram

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VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
Step 3
Plug in the AC-to-DC power adapter to power on the VIA ARTiGO A3000.
If the EVK image is not installed, the VIA ARTiGO A3000 will stop at "fastboot: processing commands" as shown
in the debug console below. Proceed to step 4 directly.
Fastboot Mode
If the EVK image is already installed, use the following command to enter the Fastboot Mode on your Windows
10 host machine.
D:\platform-tools>adb shell reboot bootloader
Note:
Make sure the Windows 10 host machine detects the VIA ARTiGO A3000 as an ADB device.
Step 4
Extract the VIA_ARTiGO_A3000_Yocto_3.1_EVK.zip les on your Windows 10 host machine.
To install the image, use the following command:
D:\VIA_ARTiGO_A3000_Yocto_3.1_EVK>set PATH=D:\platform-tools;%PATH%
D:\VIA_ARTiGO_A3000_Yocto_3.1_EVK>viaash.exe --yocto
VIA: Operating system is Yocto
VIA: erasing preloader partition
VIA: installing bl2.img
VIA: installing MBR_EMMC
VIA: installing tee.img
VIA: erasing tee_b partition
VIA: installing boot.img
VIA: erasing boot_b partition
VIA: installing system.img
VIA: erasing system_b partition
VIA: installing userdata.ext4
VIA: rebooting target system
D:\VIA_ARTiGO_A3000_Yocto_3.1_EVK>
Step 5
Unplug the AC-to-DC power adapter to power o the VIA ARTiGO A3000.
Step 6
Unplug the Micro USB cable, press the Power Buon for 2 seconds, then release it to power on the VIA ARTiGO
A3000.
When the boot process has completed, you will see the Yocto 3.1 desktop.

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VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
3. Hardware Funcons
This secon explains how to enable and test the hardware funcons precompiled in the Yocto 3.1 EVK.
3.1 Enabling ADB Debugging
Follow the steps below to enable ADB debugging:
Step 1
Connect the Windows 10 host machine and the VIA ARTiGO A3000 through the Micro USB 2.0 port using the
Micro USB cable.
Micro USB 2.0 OTG
Micro USB 2.0 port diagram
Step 2
Power on the VIA ARTiGO A3000 to iniate the boot process.
Step 3
When the VIA ARTiGO A3000 has completed boong, use the following command to open ADB debugging.
E:\platform-tools>adb shell
3.2 Changing the Kernel Debug Level
To disable the kernel messages, modify the debug level using the following command:
root@aiv8365m1v1-aiot-emmc:~# echo 3 > /proc/sys/kernel/printk
3.3 Checking the BSP Version
To check the BSP version, use the following command:
root@aiv8365m1v1-aiot-emmc:~# cat /proc/version

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VIA ARTiGO A3000 Yocto 3.1 EVK Quick Start Guide
3.4 DVFS
To verify the DVFS (Dynamic Voltage Frequency Scaling) funcon and list all the supported features, use the
following commands:
root@aiv8365m1v1-aiot-emmc:~# ls -al /sys/devices/system/cpu/cpu0/cpufreq/
total 0
drwxr-xr-x 4 root root 0 Aug 26 11:15 .
drwxr-xr-x 3 root root 0 Aug 26 11:15 ..
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 affected_cpus
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 cpuinfo_cur_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 cpuinfo_max_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 cpuinfo_min_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 cpuinfo_transition_latency
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 related_cpus
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_available_frequencies
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_available_governors
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_cur_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_driver
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_governor
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_max_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_min_freq
-rwxr-xr-x 1 root root 4096 Aug 26 11:15 scaling_setspeed
drwxr-xr-x 2 root root 0 Aug 26 11:15 schedutil
drwxr-xr-x 2 root root 0 Aug 26 11:15 stats
To check the supported and current CPU frequency, use the following commands:
:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
850000 918000 987000 1056000 1125000 1216000 1308000 1400000 1466000 1533000 1633000 1700000
1767000 1834000 1917000 2001000
:~# cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
1308000
3.5 Video playback
The VIA ARTiGO A3000 supports H.265 and H.264 video decoding up to 1080p@60fps/40Mbps.
To playback video, use the following command:
root@aiv8365m1v1-aiot-emmc:~# gst-launch-1.0 -q playbin uri=le:/data/sda1/test.
mp4 ags=0x42 video-sink="mtkmdp width=640 height=480 ! video/x-raw,format=I420 !
mtkwaylandsink" audio-sink="autoaudiosink"
3.6 Audio Output and Recording
To set up the HDMI audio output, use the following command:
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='O00 I05 Switch' 1
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='O01 I06 Switch' 1
root@aiv8365m1v1-aiot-emmc:~# aplay /data/sda1/test.wav
To disable the HDMI audio output, use the following command:
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='O00 I05 Switch' 0
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='O01 I06 Switch' 0
To set up the headphone and the speaker audio output, use the following command:
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='Audio_Amp_R_Switch' 1
root@aiv8365m1v1-aiot-emmc:~# amixer -c0 cset name='Audio_Amp_L_Switch' 1
root@aiv8365m1v1-aiot-emmc:~# aplay /data/sda1/test.wav
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