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VIA Technologies SOM-3000-STK Quick Start Manual

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QUICK START GUIDE
VIA SOM-3000-STK
Yocto 3.1 EVK
1.00-19092023

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Summary of Contents for VIA Technologies SOM-3000-STK

  • Page 1 QUICK START GUIDE VIA SOM-3000-STK Yocto 3.1 EVK 1.00-19092023...
  • Page 2 VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any time without prior notice.
  • Page 3 VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide Revision History Version Date Remarks 1.00 19/09/2023 Initial release...

  • Page 4: Table Of Contents

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide Table of Contents Introduction ..............................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 Version Information and Supported Features ..................2 Image Installation ............................

  • Page 5: Introduction

    This Quick Start Guide provides an overview of how to boot the Yocto image for the VIA SOM-3000 starter kit and configure the supported hardware functions in the build. The VIA SOM-3000-STK Yocto 3.1 EVK is developed based on the MediaTek Yocto 3.1 BSP, and it enables the hardware features of the VIA SOM-3000 starter kit.

  • Page 6: Version Information And Supported Features

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 1.2 Version Information and Supported Features • Kernel version: 4.14.87 • Evaluation image: Yocto 3.1 • Development based on MediaTek Yocto 3.1 BSP • Supports eMMC boot • Supports HDMI display •...

  • Page 7: Image Installation

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 2. Image Installation This section explains the setup requirements for booting from the eMMC. The precompiled images are provided in the "Firmware" folder. 2.1 Installing with the Fastboot Mode The first step is to prepare the "fastboot tool" and install the "VIA USB driver" into your Windows 10 host machine.
  • Page 8 VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 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 shell reboot bootloader Unplug the AC-to-DC power adapter to power off the VIA SOM-3000 starter kit.

  • Page 9: Hardware Functions

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 3. Hardware Functions This section explains how to enable and test the hardware functions precompiled in the Yocto 3.1 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-3000 module, ensuring that the gold finger of the FFC cable faces down.

  • Page 10: Changing The Kernel Debug Level

    VIA SOM-3000-STK Yocto 3.1 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 communication program such as PuTTY or Tera Term to connect the debug console. Set the console Baud Rate to "921600".

  • Page 11: Dvfs

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 3.4 DVFS To verify the DVFS (Dynamic Voltage Frequency Scaling) function 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 .

  • Page 12: Audio Output And Record

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide 3.7 Audio Output and Record 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...

  • Page 13: Camera

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide To set up the Mic-in audio recording, use the following command: root@aiv8365m1v1-aiot-emmc:~# setup_mic root@aiv8365m1v1-aiot-emmc:~# arecord -D hw:0,3 -f S16_LE -r 16000 /data/sda1/t1.wav 3.8 Camera To preview an image from the CSI camera, use the following command: root@aiv8365m1v1-aiot-emmc:~# gst-launch-1.0 v4l2src device="/dev/video5"...

  • Page 14: Bluetooth

    VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide Then use the "ping" command to verify the network connection: root@aiv8365m1v1-aiot-emmc:~# ping 8.8.8.8 3.10 Bluetooth To enter "interactive mode" for Bluetooth function verification, use the following commands: root@aiv8365m1v1-aiot-emmc:~# btmw-rpc-test increase the priority of btmw_rpc_test.i4_ret:0 @ main set btmw_rpc_test priority done [Client]Func:main Line:665--->: IPC/RPC initialize...
  • Page 15 VIA SOM-3000-STK Yocto 3.1 EVK Quick Start Guide Inference time : 21.6855 ms Start to execute the tflite model Inference time : 22.1917 ms Start to execute the tflite model Inference time : 21.9525 ms Start to execute the tflite model Inference time : 21.3645 ms...
  • Page 16 Taiwan Headquarters Japan China 1F, 531 Zhong-zheng Road, 940 Mission Court 3-15-7 Ebisu MT Bldg. 6F, Tsinghua Science Park Bldg. 7 Xindian Dist., New Taipei City 231 Fremont, CA 94539, Higashi, Shibuya-ku No. 1 Zongguancun East Road, Taiwan Tokyo 150-0011 Haidian Dist., Beijing, 100084 Japan China...

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