RSB-3720 user guide

1 資源特性(Features)
2 訂購資訊(Ordering Information)
3 规格（Specifications）
4 接口布局和尺寸(Layout and Sizes)
- 4.1 接口布局圖 Board Dimension Layout
5 'Connector List'
- 5.1 接口引脚定義 (Pin definitions)
- 5.2 机械尺寸 (Mechanical Characteristics)
6 快速入门 (Quick Start)
- 6.1 系统下载 (OS Download)
7 Linux 燒錄方法 (Linux Flash eMMC Method)
8
9 Linux系统的基本使用(Linux System Basic Operating Method)
10 通用方法(General Method)
11 Linux BSP編譯方法(Android BSP Compile Method)
- 11.1 Yocto 3.0

資源特性(Features)

NXP Arm® Cortex®-A53 i.MX8M Plus Quad/Dual up to 1.8 GHz
Onboard LPDDR4 4 GB / 6 GB, 4000MT/s memory
HDMI 1920x1080 at 60Hz, 1 Single or 1 Dual Channel 24 bit LVDS (or 1 4-Lane MIPI-DSI by BOM Option)
1 4-wire RS-232/422/485, 1 USB3.2 Gen1 By 1, 1 USB2.0, 1 Micro SD, 1 Mic. in / Line out
1 mini-PCIe for 3G/4G, 1 M.2 2230 Key E Slot
Supports Yocto Linux and Android
Support I/O Expansions boards by UIO40-Express

訂購資訊(Ordering Information)

规格（Specifications）

接口布局和尺寸(Layout and Sizes)

接口布局圖 Board Dimension Layout

'Connector List'

BAT	RTC Battery Connector
BL1	LVDS Backlight 1
BL2	LVDS Backlight 2
COM1	COM + CAN Pin Header (default as debug console)
CSI1	MIPI-CSI Camera Input 1
CSI2	MIPI-CSI Camera Input 2
DCIN/DCIN 1	12V DC Power Inout by DC Jack / by Pin Header
HDMI	HDMI CONN
LAN1	Ethernet 1
LAN2	Ethernet 2
LOUT	Line Out Pin Header
LVDS	LVDS CONN.
M2	M.2 Key E CONN.
MIC	MIC In Pin Header
MPCIE	Mini-PCIe CONN.
RST	Rest Button
SD	SD Slot
UIO1	UIO40-Express Pin Header 1
UIO2	UIO40-Express Pin Header 2
USB1	USB CONN. (USB 3.2 Gen 1 on TOP + USB 2.0 on BOT)

接口引脚定義 (Pin definitions)

机械尺寸 (Mechanical Characteristics)

快速入门 (Quick Start)

系统下载 (OS Download)

'Linux系统 (Linux OS)'

Git BSP Tag Version	Product	BSP/Image	Date	Alpha Release	Beta Release	MP Release	Release Note	Comment	Release Owner

Linux 燒錄方法 (Linux Flash eMMC Method)

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

UUU 使用方法(USB Connection (OTG port))

Display Setting (ROM-5620)

U-boot Command :

setenv fdt_file xxxx.dtb
env save
boot

Display
- LVDS
  - g070vw01
    - adv-imx8mxp-rom5620-a1.dtb
  - g150xgel05
    - adv-imx8qxp-rom5620-a1-lvds-chimei.dtb
  - g215hvn01
    - adv-imx8qxp-rom5620-a1-lvds-dual.dtb
- LVDS to HDMI
  - adv-imx8qxp-rom5620-a1-hdmi-bridge.dtb
- DSI to HDMI
  - adv-imx8qxp-rom5620-a1-hdmi-bridge.dtb
- DSI
  - auog101uan02
    - adv-imx8qxp-rom5620-a1-auog101uan02.dtb

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

SW7 Setting (SW7設置)

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:/#'''