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VIA Technologies AMOS-820 Quick Start Manual

Linux evk v4.1.3
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QUICK START GUIDE
AMOS-820
Linux EVK v4.1.3
1.00-03132018-151900

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  • Page 1 QUICK START GUIDE AMOS-820 Linux EVK v4.1.3 1.00-03132018-151900...
  • 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 AMOS-820 Linux EVK v4.1.3 Quick Start Guide Revision History Version Date Remarks 1.00 03/13/2018 Initial release...

  • Page 4: Table Of Contents

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide Table of Contents 1. Introduction ����������������������������������������������������������������������������������������������������������������������� 1 1�1 EVK Package Content ���������������������������������������������������������������������������������������������������������������������������� 1 1�1�1 Firmware Folder Contents ������������������������������������������������������������������������������������������������������������� 1 1�1�2 Document Folder Contents ������������������������������������������������������������������������������������������������������������ 1 1�1�3 Tools Folder Contents ������������������������������������������������������������������������������������������������������������������� 1 1.2 Version Information and Supported Features �������������������������������������������������������������������������������������� 2 2. Image Installation �������������������������������������������������������������������������������������������������������������...

  • Page 5: Introduction

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 1� Introduction The Quick Start Guide provides an overview of how to boot the Android EVK system image on the AMOS- 820 system (Bare board: VAB-820 with NXP i.MX 6Quad Cortex-A9 processor) and configure the supported hardware functions in the build. The AMOS-820 Linux EVK v4.1.3 is developed based on the NXP fsl-yocto-L4.1.15_1.1.0-ga (Yocto 2.0 Jethro) and enables the hardware features of the AMOS-820 system. 1�1 EVK Package Content There are two folders in the package listed as below. Firmware folder Description VAB-820_Yocto2.0_BIN_v4.1.3.tar.gz Yocto EVK system image and installation script files Document folder Description AMOS-820_Linux_EVK_v4.1.3_Quick_Start_ Quick Start Guide Guide _v1.00_20180313.pdf Tools folder Description BT_Config.zip Bluetooth A2DP configuring file AMOS-820 Linux BSP content 1�1�1 Firmware Folder Contents VAB-820_Yocto2.0_BIN_v4.1.3.tar.gz: contains installation script files and the precompiled U-boot and image...

  • Page 6: Version Information And Supported Features

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 1�2 Version Information and Supported Features • U-Boot version: 2015.04 • Kernel version: 4�1�15 • Evaluation image: OpenEmbedded-core built with Yocto 2.0 Jethro • Development based on NXP fsl-yocto-L4.1.15_1.1.0-ga (Yocto 2.0 Jethro) • Supports SPI with eMMC or Micro SD boot (default) • Supports HDMI display • Supports HDMI audio output • Supports CVBS • Supports COM1 DTE mode, COM2 as debug port • Supports 2 FlexCAN TX/RX • Supports Gigabit Ethernet • Supports Line-in, Line-out, and Mic-in • Supports VNT9271 USB Wi-Fi dongle • Supports EMIO-1541 miniPCIe Wi-Fi module • Supports EMIO-2531 miniPCIe Wi-Fi & Bluetooth module o Supports Bluetooth A2DP and SPP profile •...

  • Page 7: Image Installation

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 2� Image Installation This section explains the setup requirements for booting from a Micro SD card or the SPI ROM and eMMC. The installation script files, the precompiled U-boot, and the image are provided in the “Firmware” folder. 2�1 Booting from a Micro SD Card The first step is to install this image onto a Micro SD card. Insert a Micro SD card into your Linux host machine and make sure it is not mounted. Install the SD card image onto the Micro SD card with the commands below, replacing <device name> with the correct value for the card. *Important: Make sure you are writing to the correct device or the host system environment could be damaged� $ tar xvf VAB820_Yocto2.0_BIN_v4.1.3.tar.gz $ cd sd_installer/ $ sudo ./mk_sd_installer.sh /dev/<device name> --yocto Next, on the AMOS-820, set the boot switch to the Micro SD position as shown below. Micro SD / SPI boot switch diagram Insert the prepared Micro SD card into the AMOS-820, connect an HDMI display, and power on the AMOS-820 to initiate the boot process.

  • Page 8: Booting From The Spi Rom With Emmc

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 2�2 Booting from the SPI ROM with eMMC The AMOS-820 supports booting from the SPI ROM while loading the kernel and root filesystem from the eMMC. The first step is to prepare a Micro SD card as the system installer. Insert a Micro SD card into your Linux host machine and make sure it is not mounted. Install the system installer onto the Micro SD card with the command below, replacing <device name> with the correct value for the card. $ tar xvf VAB820_Yocto2.0_BIN_v4.1.3.tar.gz $ cd sd_installer/ $ sudo ./mk_sd_installer.sh /dev/<device name> Next, on the AMOS-820, set the boot switch to the Micro SD position as shown below. Micro SD / SPI boot switch diagram Insert the prepared Micro SD card into the AMOS-820 system then power on. The system will automatically start to install the U-boot and image into the SPI ROM and eMMC. When the install process is completed, unplug the power cable and remove the Micro SD card. Next, in order to boot from the SPI ROM, make sure the boot switch is set to SPI ROM boot. Micro SD / SPI boot switch diagram Next, connect an HDMI display, and power on the device to initiate the boot process. When the boot process is...

  • Page 9: Hardware Functions

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3� Hardware Functions This section explains how to enable and test the hardware functions precompiled in the AMOS-820 Linux EVK including setting the U-Boot parameters, setting up the Video-in, configuring FlexCAN, configuring Watchdog Timer, setting up GPIO, and configuring RTC. 3�1 Setting Up U-Boot Parameters When setting up the U-Boot parameters, the first step is to connect the host machine and the AMOS-820 through the COM 2 port. Use a serial port communication program such as PuTTY, GtkTerm, or Minicom to configure the serial port setting and connect to the debug console. There you will be able to see the U-Boot boot log and adjust settings in the U-Boot console.. Serial port setting of host machine COM 2 port diagram...
  • Page 10 AMOS-820 Linux EVK v4.1.3 Quick Start Guide Next, power on the AMOS-820 to initiate the boot process. When prompted, press any key to stop the boot process and enter the U-Boot console as illustrated by the screen below. U-Boot 2015.04-imx_v2015.04_4.1.15_1.0.0_ga+gd7d7c43 (Feb 20 2017 – 14:19:23) CPU: Freescale i.MX6Q rev1.5 at 996 MHz CPU: Temperature 30 C Reset cause: POR Board: MX6Q-VAB820 I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1...

  • Page 11: Restoring Default U-Boot Parameters

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�2 Restoring Default U-Boot Parameters If the U-Boot parameters have been modified, the “destroyenv” command in the U-Boot console can restore the factory defaults settings. To restart the device, use the “reset” command: => destroyenv => reset 3�3 Using the OpenEmbedded Console The first step is to connect the host machine and the AMOS-820 through the COM 2 port. Use a serial port communication program such as PuTTY, GtkTerm, or Minicom to connect to the debug console. There you will be able to see the U-Boot boot log and adjust settings in the U-Boot console. Next, power on the AMOS-820 to initiate the boot process. When the boot process is completed you will be prompted to login. COM 2 port diagram The default account is “root”, with no password set (just press Enter when prompted for the password). Freescale i.MX Release Distro 4.1.15_1.1.1 imx6qvab820 /dev/ttymxc1 imx6qvab820 login: root...

  • Page 12: Setting Up The Video-In

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�4 Setting Up the Video-in The AMOS-820 supports CVBS signal input for Composite RCA jack. The following steps are for Video-in function verification. Composite RCA jack diagram 3�4�1 Setting Up the CVBS To enable the video-in, use the following command: # gst-launch-0.10 imxv4l2src input=1 deinterlace=true! imxv4l2sink If the source of the video-in is PAL, use the following command to display the video on the screen: # gst-launch-0.10 imxv4l2src input=1 deinterlace=true ! imxv4l2sink crop-top-by-pixel=1 To display other video-in sources on the screen, use the following command: # gst-launch-0.10 imxv4l2src input=1 deinterlace=true ! imxv4l2sink...

  • Page 13: Cvbs Video-In Recording

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�4�1�1 CVBS Video-in Recording If your application requires the ability to record the video-in feeds onto the device storage, the following commands can be used when writing your software application. Record Feed as MP4: To save the video-in feed as an MP4 file, use the following command: # gst-launch-0.10 imxv4l2src input=1 num-buffers=<value> ! vpuenc codec=6 ! ffmux_mov ! filesink location=/<path/filename.mp4> For example, to save the video-in video as a 10-second MP4 file into /home folder with a filename demo_1. mp4, use the following command: # gst-launch-0.10 imxv4l2src input=1 num-buffers=300 ! vpuenc codec=6 ! ffmux_mov ! filesink location=/home/demo_1.mp4...

  • Page 14: Configuring Flexcan

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�5 Configuring FlexCAN The CAN/COM 2 port of the AMOS-820 supports one debug port (COM 2) and two CAN bus ports. The CAN bus supports CAN protocol specification Version 2.0 B while the COM 2 supports TX/RX for debugging purposes only. The first step is to connect the COM/CAN conversion cable. Installing COM/CAN conversion cable diagram Please note that you need to disable the CAN bus first, set the CAN bus bitrate. The CAN bus bitrate should be 5000 < [BRT_value] < 1000000. CAN bus 1 is can0 and CAN bus 2 is can1. To set the CAN bus 1 bitrate [BRT_value], use the following command: # ip link set can0 type can bitrate [BRT_value] To enable the CAN bus 1, use the following command: # ifconfig can0 up To disable the CAN bus 1, use the following command: # ifconfig can0 down Use the cansend command to send CAN bus 1 data: # cansend can0 <ID>#<Data>...

  • Page 15: Configuring Watchdog Timer

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�6 Configuring Watchdog Timer Watchdog Timer is an electronic timer that is used to detect and recover from system malfunctions. The wdt_driver_test.out provides an application to configure the Watchdog timer. To enable Watchdog Timer with the default timeout (60 seconds), use the following command: $ /unit_tests/wdt_driver_test.out enable wdt To change the timeout <value> and the system reboot <value> (seconds), use the following command: $ /unit_tests/wdt_driver_test.out set_timeout <value> To send keep-alive requests to Watchdog Timer <value> (seconds), use the following command: $ /unit_tests/ wdt_driver_test.out set_keep_alive <value> When the value of “set_keep_alive” is smaller than the value of “set_timeout”, the system will not reboot. To disable Watchdog Timer, use the following command: $ /unit_tests/wdt_driver_test.out disable wdt...

  • Page 16: Setting Up Gpio

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�7 Setting Up GPIO The AMOS-820 has a DIO port which consists of 9 pins. The following section explains how to set up these pins for input/output communication DIO port diagram 3�7�1 Setting Up DIO Port for GPIO Functionality The echo value of GPIO pins is listed below: Signal GPIO echo value GPIO_7 GPIO_1 GPIO_8 GPIO_2 GPIO_9 GPIO_4 GPIO_16 GPIO_5 GPIO port pinouts table Set the multifunction pin as a GPIO pin. Here is the example for GPIO pin 1: $ echo 7 > /sys/class/gpio/export...

  • Page 17: Setting Up Gpi Mode

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�7�2 Setting Up GPI Mode To set a pin to “input” mode (GPI), use the following command (here is the example for GPIO pin 1): $ echo “in” > /sys/class/gpio/gpio7/direction To read the GPI input value, use the following command: $ cat /sys/class/gpio/gpio203/value 3�7�3 Setting Up GPO Mode To set a pin to “output” mode (GPO), use the following command (here is the example for GPIO pin 1): $ echo “out” > /sys/class/gpio/gpio7/direction To output a “Low” value on the GPO pin, use the following command: $ echo 0 > /sys/class/gpio/gpio7/value To output a “High” value on the GPO pin, use the following command: $ echo 1 > /sys/class/gpio/gpio7/value...

  • Page 18: Configuring Rtc

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 3�8 Configuring RTC The RTC (Real-Time Clock) keeps track of the current time values. The time values include the year, month, date, hours, minutes and seconds. To configure the RTC on the AMOS-820, set the system time with the Linux date command as in the example shown below. $ date mmddHHMMYYYY Time Value 2-digit month 2-digit day 2-digit hours in 24h system 2-digit minutes YYYY 4-digit year Time value table For example, the value 061110072013 means June 11 2013 10:07. The date command also accepts other time formats. For more information, use the following command: $ date --help To write the system time to the RTC, use the following command: $ hwclock -w -f /dev/rtc0 To read the RTC time, use the following command: $ hwclock -r...

  • Page 19: Accessories

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4� Accessories This section explains how to install and configure the various EMIO modules available for the AMOS-820 system� 4�1 Configuring the VNT9271 USB Wi-Fi Dongle The VNT9271 USB Wi-Fi dongle supports Wi-Fi functionality through a USB port connection. The first step is to insert the VNT9271 USB Wi-Fi dongle into a USB port. Next, make sure to unplug any LAN cables or other Wi-Fi/3G modules you have installed. Finally, power on the AMOS-820. Inserting the VNT9271 USB Wi-Fi dongle When the boot process is completed, click on the “Connection Manager” icon to configure WLAN. Connection Manager icon diagram When the connection is created, connect to the internet through your web browser.

  • Page 20: Configuring The Emio-1541 Minipcie Wi-Fi Module

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4�2 Configuring the EMIO-1541 miniPCIe Wi-Fi Module The EMIO-1541 module supports Wi-Fi through the onboard miniPCIe slot. The first step is to insert the EMIO-1541 module into the miniPCIe slot. After installing the module, connect the provided antenna to the module. Next, make sure to unplug any LAN cables or USB Wi-Fi dongles you have installed. Finally, power on the AMOS-820. Inserting the EMIO-1541 module When the boot process is completed, click on the “Connection Manager” icon to configure WLAN. Connection Manager icon diagram When the connection is created, connect to the internet through your web browser.

  • Page 21: Configuring The Emio-2531 Minipcie Usb Wi-Fi & Bluetooth Module

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4�3 Configuring the EMIO-2531 miniPCIe USB Wi-Fi & Bluetooth Module The EMIO-2531 module supports Wi-Fi and Bluetooth functionality through miniPCIe connections. 4�3�1 Connecting to the Internet The first step is to insert the EMIO-2531 module into the miniPCIe slot. After installing either module, connect the provided antenna to the module. Next, make sure to unplug any LAN cables or USB Wi-Fi dongles you have installed. Finally, power on the AMOS-820. Inserting the EMIO-2531 module When the boot process is completed, click on the “Connection Manager” icon to configure WLAN. Connection Manager icon diagram When the connection is created, connect to the internet through your web browser.

  • Page 22: Enabling Bluetooth

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4�3�2 Enabling Bluetooth The following section explains setting up the Advanced Audio Distribution Profile (A2DP) and Serial Port Profile (SPP). 4�3�2�1 Setting Up Bluetooth A2DP Profile To add A2DP support to the AMOS-820, first copy and replace the pulseaudio-system.conf, bluetooth.conf to the /etc/dbus-1/system.d folder. Next, copy and replace the system.pa files to the /etc/pulse/folder. These files are located in the EVK/BT_Config folder of the BSP. To enable the Bluetooth service, use the following command: $ rfkill unblock bluetooth $ hciconfig hci0 up $ hciconfig hci0 piscan $ /usr/lib/bluez5/bluetooth/bluetoothd -C -d & Use the following commands to run the “bluetoothctl” to show the EMIO-2531 Bluetooth MAC address and set up pairing mode. $ bluetoothctl [NEW] Controller 5C:F3:70:24:4B:2E...

  • Page 23: Setting Up Bluetooth Spp Profile

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide The default audio output setting for the AMOS-820 is HDMI device. To list all the available audio output devices, use the following command: $ pactl list short sinks 0 alsa_output.platform-sound-hdmi.23.analog-stereo module-alsa-card.c s16le 2ch 48000Hz SUSPENDED 1 alsa_output.platform-sound.22.analog-stereo module-alsa-card.c s16le 2ch 48000Hz SUSPENDED 2 bluez_sink.00_1D_82_BC_C1_C4 module-bluez5-device.c s16le 2ch 48000Hz IDLE From the output, we can see the following: • 0 = HDMI device • 1 = Line-out •...
  • Page 24 AMOS-820 Linux EVK v4.1.3 Quick Start Guide SPP server mode: If you do not change the listen channel number, the service will automatically use the default channel number. Make sure the server or client mode is using the same Bluetooth channel number. To set up the SPP server mode and allow other devices to connect, use the following commands: # sdptool add SP Serial Port service registered # rfcomm listen hci0 Waiting for connection on channel 1 Connection from 5C:F3:70:25:DD:33 to /dev/rfcomm0 Press CTRL-C for hangup SPP client mode: If you do not change the listen channel number, the service will automatically use the default channel number.

  • Page 25: Configuring The Emio-2550 Minipcie Mobile Broadband Module

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4�4 Configuring the EMIO-2550 miniPCIe Mobile Broadband Module The EMIO-2550 miniPCIe Mobile Broadband module supports 3G and GPS functions. 4�4�1 Connecting to the Internet The first step is to insert an active SIM card into the EMIO-2550 module, and then insert the EMIO-2550 module into the miniPCIe slot. After installing the module, connect the provided antenna to the module. Next, make sure to unplug any LAN cables or USB Wi-Fi dongles you have installed. Finally, power on the AMOS-820. Inserting the EMIO-2550 module To check that the system has correctly detected the EMIO-2550 module, use the following command: $ lsusb Make sure the printout message includes “Bus 001 Device 004: ID 1545:1102 U-Blox AG”. Configure the 3G function by creating a PPP connection with root privilege. $ pppd call Module-ZU200 Once the PPP connection has been created, connect to the internet through your web browser.

  • Page 26: Enabling Gps

    AMOS-820 Linux EVK v4.1.3 Quick Start Guide 4�4�2 Enabling GPS Configuring the GPS function of the module requires the use of the Minicom serial communication program. Open the Minicom serial communication program with the following command: $ minicom -s Connect to the /dev/ttyUSB1 serial device with the following settings: +--------------------------------------------------------------+ Serial Device : /dev/ttyUSB1 Lockfile Location : /var/lock Callin Program Callout Program Bps/Par/Bits : 115200 8N1 Hardware Flow Control : No Software Flow Control...
  • Page 27 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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