Revision as of 04:43, 29 December 2023

產品介紹(Product introduction)

產品特性(Product Features)

• NXP i.MX 8X processor with 2-4 x Arm Cortex-A35 cores
• Onbard LPDDR4 memory and eMMC 16GB
• Supports wide range power input 5V~24V
• Supports Vivante GC7000 Lite hardware accelerators
• Supports Ultra HD 4K/ full HD 1080p video decode and HD 1080p video encode hardware engine
• Supports 1 PCIe, 1 USB 3.0, 1 USB 2.0, 1 USB OTG2.0, 5 I2C, 1 I2S, 1 Camera in, 2 CANbus, 10 GPIO
• Low power consumption, fanless desgin
• Supports Linux and Android BSP

產品官網連結(Product Features)

ROM-3620

硬件接口說明(Hardware interface introduction)

接口布局和尺寸(Layout and Sizes)

ROM-3620 接口布局圖 Board Dimension Layout 

SW1(1): UART & Debug Port selection

SW1(2): AT/ATX Mode Selection

ROM-DB3900 接口布局圖 Board Dimension Layout

主板内置插针式引脚排序方式 (Pin Header defination) 

Internal I/O

Rear I/O 

接口引脚定義 (Pin definitions)

    Rear IO:

• DCIN
• 串口(COM01A、UART1、4_WIRE(ttyLP1))
• 串口(COM01B、UART2、4_WIRE(ttyLP2))
• 显示接口(VGA、HDMI)
• RJ45+USB接口(RJ45、​USB1-2)
• PHONE_JACK接口(Audio_output)

    Internel IO:

• Boot_selection_switch
• 電池(BAT1)
• CAN(CAN0,CAN1)
• LVDS接口(LVDS、LVDS_BKLT)
• 串口(COM3(COM_DB(ttyLP0))、COM2(UART3)(ttyLP3))
• USB_OTG接口(USB_OTG)
• I2S0接口(I2S\Audio_Codec)
• 电源及指示灯和开关机复位按钮(Power 、LED、Power Button、Reset Button、Sleep Button) 
• GPIO接口
• PCIE接口_SATA接口_SPI、I2C_接口

机械尺寸  (Mechanical Characteristics)

ROM-3620 

快速入门 (Quick Start)

系统下载 (OS Download)

• 'Linux系统 (Linux OS)'   

Linux 燒錄方法 (Linux Flash eMMC Method)

使用Flash tool 燒錄鏡像到eMMC (Flash image into eMMC by Flash Tools) 

1. Copy 3620A1AIM20LIV90210_iMX8X_flash_tool.tgz package to your desktop.
2. Insert SD card to PC.
3. Make a bootable sd card.

4. Insert SD card and copy 3620A1AIM20LIV90210_iMX8X_flash_tool to USB disk.
5. Insert USB disk and SD card then Boot from SD.
6. Enter usb disk folder, make a bootable emmc.

使用UUU工具燒錄鏡像到eMMC (Flash image into eMMC by UUU Tools)

1. Download UUU tool from (https://github.com/ADVANTECH-Corp/uuu/releases/download/v20191101/uuu).
2. Create a folder with files as below:

3. Connect otg cable from PC to device.
4. Set the correct boot mode, then power on(4-on only).

5. Perform the following command:

6. UUU tool will start recovery image to eMMC.
7. For more usage:
http://ess-wiki.advantech.com.tw/view/IoTGateway/BSP/Linux/iMX8/Yocto_LBV9_User_Guide#System_Recovery

Debug 串口調試 (Debug port Setting)

1. Connect debug port cable (1701100300) to debug port (COM3) on ROMDB3900.
2. Connect it to your PC with RS-232 Cable (1700019474).

ROM-3620 can communicate with a host server by using serial cables. Common serial communication programs such as HyperTerminal, Tera Term or PuTTY can be used in this case. The example below describes the serial terminal setup using HyperTerminal on a Windows host:
1. Connect ROM-3620 with your PC by using a serial cable.
2. Open HyperTerminal on your Windows PC, and select the settings as shown in below Photo.

以 Tera Term  为例介绍如何使用串口调试功能

Tera Term Tool 

Check the Sriel port in Device Manager (查看PC端的串口号)：

if you can not identify the Serial device , please check your serial driver. 

Debug port connection (串口連接) 

Log into Terminal  Tool (进入串口调试终端)：

Linux系统的基本使用(Linux System Basic Operating Method)

Display Setting (ROM-3620)

• Single Channel LVDS0 + Single Channel LVDS1 (Default):

LVDS0 - g070vw01v0(VDD:3.3V, Backlight Power:12V)
1. Connect LVDS VDD and Backlight Power cable.
2. Power on.
3. Weston UI will be displayed on the screen.

LVDS1 - g070vw01v0(VDD:3.3V, Backlight Power:12V)
1. Connect LVDS VDD and Backlight Power cable.
2. Power on.
3. Weston UI will be displayed on the screen.

• Dual Channel LVDS:

Dual Channel LVDS - g215hvn0 (VDD:5V, Backlight Power:12V)
1. Connect two LVDS VDD and Backlight Power cable.
2. Power on.
3. Press enter after boot, system will stop at u-boot as below:

4. Weston UI will be displayed on the screen

• MIPI to HDMI test:

1. Connect LVDS to HDMI cable to LVDS0 or LVDS1.
2. Power on.
3. Press enter after boot, system will stop at u-boot as below: 

4. Weston UI will be displayed on the screen.

Test HDMI with different resolutions:

1. Disable weston UI.

2. Get “connect ID” and “support resolutions“.

3. Play colorbar of the specified resolution on HDMI.

Audio測試方法(Audio Testing Method):

1. Connect ROM-EG51 to I2S_CN3, connect MIC and headphone.
2. Power on and check Audio Codec (SGTL5000)

3. Record and playback.

4G使用方法(4G Testing Method)

Test 4G: (EWM-C117FL06E - USB)
1. Connect EWM-C117FL06E to Mini PCIE slot on 9680015491 and connect the card to CN6 PCIe_D slot on ROM-DB5901.
2. Connect the antenna 1750007990-01 to the SMA (F) connector on 9680015491 and connect the IPEX connector to MT1 on EWM-C117FL06E module.
3. Connect the Mini USB cable from 9680015491 to USB 2.0 Type A port on ROM-DB3900.
4. Power on and execute the pppd command to connect to the network.

WiFi使用方法(WIFI Testing Method)

Test WiFi card (EWM-W189H02E PCIe signal)

Ping network:

乙太網路使用方法(Ethernent Testing Method)

Command : ifconfig 

Command: Ping - I eth1 8.8.8.8  or Ping - I eth0 8.8.8.8  

WiFi使用方法(WIFI Testing Method)

Command : 

# killall wpa_supplicant
# ifconfig wlan0 up
# wpa_passphrase "SSID" "PASSWORD" > /tmp/wpa.conf
# wpa_supplicant -BDwext -iwlan0 -c/tmp/wpa.conf
# udhcpc -b -i wlan0'''

ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=2.10 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=2.10 ms

4G使用方法(4G Testing Method)

Command:
Test 4G: (EWM-C117FL06E - USB)
Step 1: Connect EWM-C117FL06E to Mini PCIE slot on 9680015491 and connect
the card to CN6 PCIe_D slot on ROM-DB5901.
Step 2: Connect the antenna 1750007990-01 to the SMA (F) connector on
9680015491
and connect the IPEX connector to MT1 on EWM-C117FL06E module.
Step 3: Connect the Mini USB cable from 9680015491 to USB 2.0 Type A port on
ROM-DB5901.
Step 4: Power on and execute the pppd command to connect to the network.

GPIO使用方法(GPIO Operating Method)

Loop-back Test (Take GPIO4 and GPIO5 as examples)  

Step 1: Connect GPIO4 and GPIO5
Step 2: Export GPIO interface

root@imx8qxprom5620a1 : ~# echo 456 > /sys/class/gpio/export
root@imx8qxprom5620a1 : ~# echo 452 > /sys/class/gpio/export

Step 3: Set direction

root@imx8qxprom5620a1 : ~# echo out > /sys/class/gpio/gpio1/direction
root@imx8qxprom5620a1 : ~# echo in > /sys/class/gpio/gpio2/direction

Step 4: Read value and set output value then check

root@imx8qxprom5620a1 : ~# cat /sys/class/gpio/gpio2/value
0r
oot@imx8qxprom5620a1 : ~# echo 1 > /sys/class/gpio/gpio1/value
root@imx8qxprom5620a1 : ~# cat /sys/class/gpio/gpio2/value
1

串口使用方法(Serial Port Operating Method)

RS-232 Test

SER1_UART2: /dev/ttyLP2: COM1

SER3_UART0: /dev/ttyLP0: COM3

SW6/7 Setting (SW6/7設置) 

RS232: 1:on  2:off

RS422: 1:on  2:on

RS485: 1:off  2:on

COM0 (CN15A): UART1 test

Loopback Test (eg. ttyLP1)
UART 1: Change SW7 jumper to switch modes. (1ON 2OFF: RS-232)

UART 1: Change CN27~CN30 jumper to (1-2 short)

# stty -F /dev/ttyLP1 -echo -onlcr 115200
# cat /dev/ttyLP1 &
# echo test > /dev/ttyLP1

蓝牙使用方法(BlueTooth Operating Method)

Command : 

$ hciconfig hci0 up
$ bluetoothctl
$ discoverable on
$ pairable on
$ scan on
[NEW] FC:18:3C:8D:75:F4 myphone
$ scan off
$ pair FC:18:3C:8D:75:F4
$ connect FC:18:3C:8D:75:F4

遠程訪問及文件傳輸(Remote Access and File Transimmion)

              查看主板IP位址 ( Chech IP Address )：​

        Command : ifconfig

Windows下SSH访问及文件传输

SSH Remote Log into Device 

• SSH远程登录,以putty选择putty.exe(或者使用Xshell、SecureCRT等类似软件)
• 需要设置远程设备的IP、通讯端口(默认22)、通讯方式，登录后验证用户名密码

通用方法(General Method)

查看CPU温度(Check CPU Temperature)

    root@imx8qxprom5620a1:/# cat /sys/devices/virtual/thermal/thermal_zone0/temp 44600

    # 或者直接以度爲單位顯示 echo $[$(cat /sys/class/thermal/thermal_zone0/temp)/1000]° >>> 45°

查看CPU频率(Check CPU Frequency)

           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq 
           >> 900000
           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq    
           >> 1200000

查看内存容量(Check Memory Capacity)

root@imx8qxprom5620a1:/# busybox free -m
             total       used       free     shared    buffers     cached
Mem:       1794920     516080    1278840      17252      9852        80292
-/+ buffers/cache:     425936    1368984
Swap:            0          0          0

查看存储容量(Check Storage Capacity)

root@imx8qxprom5620a1:/# busybox df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                13.4G      1.7G     11.1G  13% /
devtmpfs                395.8M      4.0K    395.8M   0% /dev
tmpfs                   876.4M         0    876.4M   0% /dev/shm
tmpfs                   876.4M     16.5M    859.9M   2% /run
tmpfs                   876.4M         0    876.4M   0% /sys/fs/cgroup
tmpfs                   876.4M      4.0K    876.4M   0% /tmp
tmpfs                   876.4M    280.0K    876.2M   0% /var/volatile
/dev/mmcblk0p2           13.6G      1.7G     11.3G  13% /run/media/mmcblk0p2
/dev/mmcblk0p1           63.9M     23.4M     40.5M  37% /run/media/mmcblk0p1
/dev/mmcblk1p1           63.9M     23.4M     40.5M  37% /run/media/mmcblk1p1
tmpfs                   175.3M     88.0K    175.2M   0% /run/user/0
root@imx8qxprom5620a1:/#

網路Ping測試(Ping Network Testing)

     ping 8.8.8.8
     PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
     64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=2.10 ms
     64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=2.10 ms

設置RTC (RTC Setting) 

     root@imx8qxprom5620a1:/# systemctl stop ntpdate.service
     root@imx8qxprom5620a1:/# date 090816072021 && hwclock -w && date
             Wed Sep  8 16:07:00 UTC 2021
             Wed Sep  8 16:07:00 UTC 2021
     root@imx8qxprom5620a1:/# date
             Wed Sep  8 16:07:06 UTC 2021
     root@imx8qxprom5620a1:/#'''

Linux BSP編譯方法(Linux BSP Compile Method)

Yocto 3.0

如果有驗證上的錯誤 請使用以下的方法

### repo sync failed with Server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
============================================================
export GIT_SSL_NO_VERIFY=1
#or
git config --global http.sslverify false
============================================================