EPC-R3710 user guide

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Contents

產品介紹(Product introduction )

產品特性(Product Features)

  • Rockchip Arm® Cortex®-A72 RK3399 up to 1.8 GHz
  • Onboard LPDDR4 2GB
  • HDMI 1920x1080 at 60Hz, 1 Dual Channel 24 bit LVDS
  • 1 2-wire RS-232, 1 USB3.0, 1 USB2.0, 1 Micro SD, 1 Mic. in / Line out
  • 1 mini-PCIe for 3G/4G
  • UIO expansion 3 USB2.0, 8 GPIO, 2 RS232 2/2-wires UART, 1 I2C
  • Supports Debian9/10 and Android7.1/10.0
  • Support I/O Expansions by UIO40-Express I/O boards, please refer to page #3 for more information

產品官網連結(Product Features) 

EPC-R3710

硬件接口說明(Hardware interface introduction)

接口布局和尺寸(Layout and Sizes)

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接口布局圖 Board Dimension Layout 

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 Connector List

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BAT RTC Battery Connector
HDMI HDMI1 CONN
BLP2 LVDS BKL PWR 12V select

LVDS/eDP

LVDS BKL

LVDS DATA/PWRCONN
LAN1 LAN
LAN2 LAN
MINIPCIE MINI PCIE 52P 
SIM Nano SIM Card
AUDIO Audio PIN Header
USB1 USB CONN
COM2/Debug  COM2 
SD SD Slot
OTG USB
BTN MASKROM mode pin header 
RST Reset Button
DCIN1  12V DC Jack
LED LED
CN11 UIO1
CN12 UIO2

 

接口引脚定義 (Pin definitions)

BAT

HDMI1

BL

LVDS

LAN1, LAN2

MINIPCIE

SIM

Audio

USB1

COM2/Debug

SD

OTG

BTN

RST

DCIN1

LED

CN11

CN12

RSB-3710_Jumper List

机械尺寸  (Mechanical Characteristics)

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快速入门 (Quick Start)

系统下载 (OS Download)

  • Android 系统 (Android  OS)

           Android 10 : AIM-Linux/BSP/RK/Linux_Android_OS_Release_note/Android10/

           Android   7 : AIM-Linux/BSP/RK/Linux_Android_OS_Release_note/Android7/ 

  • Debian 系統( Debian OS) 

           Debbian 10:AIM-Linux/BSP/RK/Linux_Debian_OS_Release_note/Debian10/

Android 燒錄方法 (Android Flash eMMC Method) 

1. 請先準備一條 mirco USB 線材 和 Debug Cable 

 mirco USB 

 

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Debug Cable  

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2. 插入 RSB-3710 的OTG port  

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連接 Debug cable  

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2. 設定終端機(Set Debug Terminal) 

Debug 串口調試 (Debug port Setting)

以 Tera Term  为例介绍如何使用串口调试功能 

   Baud Rate波特率：115200
   Data 数据位：8
   Parity 奇偶校验：无
   Stop 停止位：1
   Flow Control流控：无
 

Tera Term Tool 

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Note:

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. 

 

3.打開燒錄軟體

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4. 打開電源 

5. 在終端機上可看到Debug 訊息, 按下"Ctrl + C" 組合鍵. 進入u-boot 

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6. 在u-boot ,輸入"loader"   可進入燒錄模式 , Android tool 會同時顯示 "Found One MASKROM Device " 

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7. 在RKDevTool 按下 "Run"  ,可進行燒錄.

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8.  燒錄完畢

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9. 重新拔插電源, 讓RSB-3710 重新開機 ,接上HDMI ,可顯示安卓的桌面. 

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Linux 燒錄方法 (Linux Flash eMMC Method) 

1. 請先準備一條 mirco USB 線材 和 Debug Cable 

 mirco USB 

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Debug Cable 

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2. 插入 RSB-3710 的OTG port 

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連接 Debug cable 

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3. 設定終端機(Set Debug Terminal) 

Debug 串口調試 (Debug port Setting)

以 Tera Term  为例介绍如何使用串口调试功能 

   Baud Rate波特率：115200
   Data 数据位：8
   Parity 奇偶校验：无
   Stop 停止位：1
   Flow Control流控：无
 

Tera Term Tool 

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Note:

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

如果沒有找到 請先確認是否有安裝驅動(if you can not identify the Serial device , please check your serial driver.) 

 

3.打開燒錄軟體

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4. 打開電源 

5. 在終端機上可看到Debug 訊息, 按下"Ctrl + C" 組合鍵. 進入u-boot 

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6. 在u-boot ,輸入"rbrom "   可進入燒錄模式 , Android tool 會同時顯示 "Found One MASKROM Device " 

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7.  清除後,重新上電,會直接進入 "Found One MASKROM Device" 燒錄模式

   

 

 

8. 在RKDevTool 按下 "Run"  ,可進行燒錄.

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9.  燒錄完畢

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10. 重新拔插電源, 讓RSB-3710 重新開機 ,接上HDMI ,可顯示Debian的桌面. 

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

Display Setting (RSB-3710)

lvds lvds-g070vw01; lvds-g150xgel05; lvds-g215hvn01
hdmi hdmi-default
dp dp-default
IN uboot In Debian/Android
setenv prmry_screen hdmi-default fw_setenv prmry_screen hdmi-default
setenv extend_screen edp-1920x1080 fw_setenv extend_screen edp-1920x1080
saveenv  
reset reboot

In u-boot:

=> setenv prmry_screen lvds-g070vw01

=> setenv extend_screen hdmi-default

=> saveenv

=> reset

In Linux:

~# fw_setenv prmry_screen lvds-g070vw01

~# reboot

Modify LVDS backlight PWM: (Defaul is 20KHz, New version BSP support to modify the PWM clock in u-boot from 200~20KHz)

In u-boot:

=> setenv lvds_pwm_clock 10000 (Set PWM clock to 10KHz)

In Linux:

~# fw_setenv lvds_pwm_clock 10000 (Set PWM clock to 10KHz)

~# reboot

 

Check PWM duty sysle in Linux:

~# cat /sys/kernel/debug/pwm

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乙太網路使用方法(Ethernent Testing Method)

Command : ifconfig 

Command: Ping 8.8.8.8 

 

WiFi使用方法(WIFI Testing Method)

# killall wpa_supplicant
# ifconfig wlan0 up
# wpa_passphrase "SSID" "PASSWORD" > /tmp/wpa.conf
# cat /tmp/wpa.conf
# wpa_supplicant -BDwext -iwlan0 -c/tmp/wpa.conf
# udhcpc -b -i wlan0
# ifconfig
# ping 8.8.8.8
Add DNS to /etc/resolv.conf
# cat /etc/resolv.conf
# Generated by Connection Manager
nameserver 8.8.8.8
nameserver 8.8.4.4
Now can ping google.com
# ping google.com

4G使用方法(4G Testing Method)

GPIO使用方法(GPIO Operating Method)

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蓝牙使用方法(BlueTooth Operating Method)

# hciattach /dev/ttymxc0 bcm43xx 115200 flow
# hciconfig hci0 up
# hcitool scan# bluetoothctl
# discoverable on
#pairable on
# scan on
# scan off
# pair 84:C5:A6:D3:AF:E4
# connect 84:C5:A6:D3:AF:E4
Check BT connect info
# info 84:C5:A6:D3:AF:E4

音訊使用方法(BlueTooth Operating Method)

Line-in , Line-out, MIC
1.Line-out
Command : gplay-1.0
2.MIC
Command : arecord
Check audio codec:

# cat /proc/asound/cards
 0 [sgtl5000       ]: sgtl5000 - sgtl5000
                      sgtl5000
 1 [audiohdmi      ]: audio-hdmi - audio-hdmi
                      audio-hdmi
root@imx8mprsb3720a1:~#
   Set Mic/audio volume
# amixer set Mic 100%
# amixer set Lineout 100%
# amixer set PCM 100%

Record and playback
Example command:
# arecord –t wav –c 1 –r 44100 –d 5 /tmp/mic.wav
# aplay /tmp/mic.wav

Record from MIC:
# arecord -D plughw:0,0 -r 16000 -f S16_LE ./f-16000.wav
Recording WAVE './f-16000.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono
# aplay f-16000.wav
Playing WAVE 'f-16000.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono

Play wav file from codec:
# aplay -D plughw:0,0 file_example_WAV_10MG.wav
Playing WAVE 'file_example_WAV_10MG.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

Play wav file from HDMI:
# aplay -D plughw:1,0 file_exam
ple_WAV_10MG.wav
Playing WAVE 'file_example_WAV_10MG.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

看門狗測試 (Watch Dog Test method) 

System will reboot after 1 sec
# /unit_tests/Watchdog/wdt_driver_test.out 1 2 0

 

 

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

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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

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通用方法(General Method)

      查看CPU温度(Check CPU Temperature)

    root@linaro-alip:~# cat /sys/devices/virtual/thermal/thermal_zone0/temp   40000

    # 或者直接以度爲單位顯示 echo $[$(cat /sys/class/thermal/thermal_zone0/temp)/1000]° >>> 40°

      查看CPU频率(Check CPU Frequency)

           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq 
           >> 1200000
           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq    
           >> 1800000

      查看内存容量(Check Memory Capacity)

root@linaro-alip:~# busybox free -m
              total        used        free      shared  buff/cache   available
Mem:           1961         303        1096          97         561        1575
Swap:             0           0           0
root@linaro-alip:~#

      查看存储容量(Check Storage Capacity)

root@linaro-alip:~# busybox df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 7.8G      2.8G      4.6G  37% /
devtmpfs                972.3M      8.0K    972.3M   0% /dev
tmpfs                   980.8M         0    980.8M   0% /dev/shm
tmpfs                   980.8M     16.8M    964.0M   2% /run
tmpfs                     5.0M      4.0K      5.0M   0% /run/lock
tmpfs                   980.8M         0    980.8M   0% /sys/fs/cgroup
/dev/mmcblk1p10           6.4G      3.8M      6.4G   0% /userdata
/dev/mmcblk1p7           62.6M     12.0M     47.3M  20% /oem
tmpfs                   196.2M         0    196.2M   0% /run/user/0
tmpfs                   196.2M      8.0K    196.1M   0% /run/user/1000
root@linaro-alip:~#

 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) 

Set system time to current, then write to RTC
   root@linaro-alip:~# date 01282022
   Fri Jan 28 20:22:00 UTC 2022
   root@linaro-alip:~#
Restart the RTC time to system time

 

  1. hwclock -s && date

 

root@linaro-alip:~# hwclock -s && date
Thu Jan 20 06:18:26 UTC 2022
root@linaro-alip:~# 

Android BSP編譯方法(Android BSP Compile Method)

如果有驗證上的錯誤 請使用以下的方法(If you got " Server certificate verification failed " message ,please follow the solution as below) 

### repo sync failed with Server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
============================================================
export GIT_SSL_NO_VERIFY=1

 

  1. or

git config --global http.sslverify false
============================================================

 

 

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