Difference between revisions of "EPC-R3710 user guide"

Revision as of 02:57, 11 May 2022

資源特性(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

訂購資訊(Ordering Information)

<img _fck_mw_filename="RSB-3710 orderinfo2021-11-02 100552.jpg" _fck_mw_origimgheight="90" _fck_mw_origimgwidth="1225" alt="RTENOTITLE" src="/wiki/images/3/30/RSB-3710_orderinfo2021-11-02_100552.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

规格（Specifications）

接口布局和尺寸(Layout and Sizes)

<img _fck_mw_filename="EPC-R3710 Case.PNG" _fck_mw_origimgheight="390" _fck_mw_origimgwidth="692" alt="RTENOTITLE" src="/wiki/images/7/72/EPC-R3710_Case.PNG" style="vertical-align:middle;" title="RTENOTITLE" />

接口布局圖 Board Dimension Layout 

<img _fck_mw_filename="RSB-3710 product pic11 2021-11-02 100745.jpg" _fck_mw_origimgheight="388" _fck_mw_origimgwidth="502" alt="RTENOTITLE" src="/wiki/images/f/fa/RSB-3710_product_pic11_2021-11-02_100745.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

<img _fck_mw_filename="RSB-3710 product pic22 2021-11-02 100837.jpg" _fck_mw_origimgheight="372" _fck_mw_origimgwidth="470" alt="RTENOTITLE" src="/wiki/images/1/16/RSB-3710_product_pic22_2021-11-02_100837.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

<img _fck_mw_filename="RSB-3710 product pic33 2021-11-02 100904.jpg" _fck_mw_origimgheight="137" _fck_mw_origimgwidth="677" alt="RTENOTITLE" src="/wiki/images/0/03/RSB-3710_product_pic33_2021-11-02_100904.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

 Connector List

接口引脚定義 (Pin definitions)

• <a href="BAT">BAT</a>
• <a href="HDMI1">HDMI1</a>
• <a href="BL">BL</a>
• <a href="LVDS">LVDS</a>
• <a href="LAN1%2C%20LAN2">LAN1, LAN2</a>
• <a href="MINIPCIE">MINIPCIE</a>
• <a href="SIM">SIM</a>
• <a href="Audio">Audio</a>
• <a href="USB1">USB1</a>
• <a href="COM2%2FDebug">COM2/Debug</a>
• <a href="SD">SD</a>
• <a href="OTG">OTG</a>
• <a href="BTN">BTN</a>
• <a href="RST">RST</a>
• <a href="DCIN1">DCIN1</a>
• <a href="LED">LED</a>
• <a href="CN11">CN11</a>
• <a href="CN12">CN12</a>
• <a href="RSB-3710%20Jumper%20List">RSB-3710_Jumper List</a>

机械尺寸  (Mechanical Characteristics)

<img _fck_mw_filename="RSB-3710 Mechanical 2021-11-02 102727.jpg" _fck_mw_origimgheight="438" _fck_mw_origimgwidth="505" alt="RTENOTITLE" src="/wiki/images/6/69/RSB-3710_Mechanical_2021-11-02_102727.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

快速入门 (Quick Start)

系统下载 (OS Download)

<a alt="<a alt="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" href="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" title="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw">https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw</a>" href="<a alt="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" href="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" title="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw">https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw</a>" title="<a alt="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" href="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw" title="https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw">https://pan.baidu.com/s/1VOerXjiKg1pgvy0ZsJOErw</a>">Baidu for Android 7.1.2</a>   提取码：1r5f

'Android系统 (Android OS)'   

'Linux系统 (Linux OS)' 

<a alt="<a alt="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" href="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" title="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA">https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA</a>" href="<a alt="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" href="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" title="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA">https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA</a>" title="<a alt="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" href="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA" title="https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA">https://pan.baidu.com/s/1Ht2OzxW4NgaZC0Gf69ikIA</a>">Baidu link for Debian10</a> Password：nvpp

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 

<img _fck_mw_filename="RSB-3710 mirco usb 2021-11-02 143011.jpg" _fck_mw_origimgheight="376" _fck_mw_origimgwidth="390" alt="RTENOTITLE" src="/wiki/images/0/06/RSB-3710_mirco_usb_2021-11-02_143011.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

Debug Cable 

   <img _fck_mw_filename="RSB-3710 debug cable 2021-11-02 144650.jpg" _fck_mw_origimgheight="339" _fck_mw_origimgwidth="508" alt="RTENOTITLE" src="/wiki/images/8/8d/RSB-3710_debug_cable_2021-11-02_144650.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

2. 插入 RSB-3710 的OTG port 

   <img _fck_mw_filename="RSB-3710 OTG USBcable 2021-11-02 143356.jpg" _fck_mw_origimgheight="437" _fck_mw_origimgwidth="602" alt="RTENOTITLE" src="/wiki/images/4/4b/RSB-3710_OTG_USBcable_2021-11-02_143356.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

連接 Debug cable 

   <img _fck_mw_filename="RSB-3710 debug and debug port 1 2021-11-02 145203.jpg" _fck_mw_origimgheight="441" _fck_mw_origimgwidth="643" alt="RTENOTITLE" src="/wiki/images/1/15/RSB-3710_debug_and_debug_port_1_2021-11-02_145203.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

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 

<img _fck_mw_filename="TeraTerm 2021-09-10 140930n.jpg" _fck_mw_origimgheight="428" _fck_mw_origimgwidth="700" alt="RTENOTITLE" src="/wiki/images/2/25/TeraTerm_2021-09-10_140930n.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

<img _fck_mw_filename="TeraTerm12021-09-10 141114n.jpg" _fck_mw_origimgheight="391" _fck_mw_origimgwidth="609" alt="RTENOTITLE" src="/wiki/images/6/6d/TeraTerm12021-09-10_141114n.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

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

<img _fck_mw_filename="RSB-3710 android tool 2021-11-02 150159.jpg" _fck_mw_origimgheight="442" _fck_mw_origimgwidth="827" alt="RTENOTITLE" src="/wiki/images/c/cb/RSB-3710_android_tool_2021-11-02_150159.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

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 

<img _fck_mw_filename="RSB-3710 CtrlC uboot 2021-11-02 150842.jpg" _fck_mw_origimgheight="505" _fck_mw_origimgwidth="696" alt="RTENOTITLE" src="/wiki/images/5/5f/RSB-3710_CtrlC_uboot_2021-11-02_150842.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

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 " 

<img _fck_mw_filename="RSB-3710 android loader 2022-01-20 154115.jpg" _fck_mw_origimgheight="515" _fck_mw_origimgwidth="1624" alt="RTENOTITLE" src="/wiki/images/b/be/RSB-3710_android_loader_2022-01-20_154115.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

7. 在RKDevTool 按下 "Run"  ,可進行燒錄.

<img _fck_mw_filename="RSB-3710 Run RKDevTool 2021-11-02 160456.jpg" _fck_mw_origimgheight="453" _fck_mw_origimgwidth="692" alt="RTENOTITLE" src="/wiki/images/9/95/RSB-3710_Run_RKDevTool_2021-11-02_160456.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

8.  燒錄完畢

<img _fck_mw_filename="RSB-3710 finish RKDevTool 2021-11-02 160931.jpg" _fck_mw_origimgheight="445" _fck_mw_origimgwidth="845" alt="RTENOTITLE" src="/wiki/images/5/55/RSB-3710_finish_RKDevTool_2021-11-02_160931.jpg" style="vertical-align:middle;" title="RTENOTITLE" />  

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. 

<img _fck_mw_filename="RSB-3710 Android desktop pic.png" _fck_mw_origimgheight="605" _fck_mw_origimgwidth="1076" alt="RTENOTITLE" src="/wiki/images/1/18/RSB-3710_Android_desktop_pic.png" style="vertical-align:middle;" title="RTENOTITLE" />  

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 

<img _fck_mw_filename="RSB-3710 mirco usb 2021-11-02 143011.jpg" _fck_mw_origimgheight="376" _fck_mw_origimgwidth="390" alt="RTENOTITLE" src="/wiki/images/0/06/RSB-3710_mirco_usb_2021-11-02_143011.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

Debug Cable 

<img _fck_mw_filename="RSB-3710 debug cable 2021-11-02 144650.jpg" _fck_mw_origimgheight="339" _fck_mw_origimgwidth="508" alt="RTENOTITLE" src="/wiki/images/8/8d/RSB-3710_debug_cable_2021-11-02_144650.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

2. 插入 RSB-3710 的OTG port 

<img _fck_mw_filename="RSB-3710 OTG USBcable 2021-11-02 143356.jpg" _fck_mw_origimgheight="437" _fck_mw_origimgwidth="602" alt="RTENOTITLE" src="/wiki/images/4/4b/RSB-3710_OTG_USBcable_2021-11-02_143356.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

連接 Debug cable 

<img _fck_mw_filename="RSB-3710 debug and debug port 1 2021-11-02 145203.jpg" _fck_mw_origimgheight="441" _fck_mw_origimgwidth="643" alt="RTENOTITLE" src="/wiki/images/1/15/RSB-3710_debug_and_debug_port_1_2021-11-02_145203.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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 

<img _fck_mw_filename="TeraTerm 2021-09-10 140930n.jpg" _fck_mw_origimgheight="428" _fck_mw_origimgwidth="700" alt="RTENOTITLE" src="/wiki/images/2/25/TeraTerm_2021-09-10_140930n.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

<img _fck_mw_filename="TeraTerm12021-09-10 141114n.jpg" _fck_mw_origimgheight="391" _fck_mw_origimgwidth="609" alt="RTENOTITLE" src="/wiki/images/6/6d/TeraTerm12021-09-10_141114n.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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

    <img _fck_mw_filename="RSB-3710 RKDevTool Debian 2021-11-02 171049.jpg" _fck_mw_origimgheight="451" _fck_mw_origimgwidth="647" alt="RTENOTITLE" src="/wiki/images/4/4c/RSB-3710_RKDevTool_Debian_2021-11-02_171049.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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 

    <img _fck_mw_filename="RSB-3710 CtrlC uboot 2021-11-02 150842.jpg" _fck_mw_origimgheight="505" _fck_mw_origimgwidth="696" alt="RTENOTITLE" src="/wiki/images/5/5f/RSB-3710_CtrlC_uboot_2021-11-02_150842.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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 " 

    <img _fck_mw_filename="RSB-3710 rbrom 2021-11-02 151430.jpg" _fck_mw_origimgheight="392" _fck_mw_origimgwidth="1154" alt="RTENOTITLE" src="/wiki/images/d/d2/RSB-3710_rbrom_2021-11-02_151430.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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.

    <img _fck_mw_filename="RSB-3710 Run RKDevTool 2021-11-02 160456.jpg" _fck_mw_origimgheight="453" _fck_mw_origimgwidth="692" alt="RTENOTITLE" src="/wiki/images/9/95/RSB-3710_Run_RKDevTool_2021-11-02_160456.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

9.  燒錄完畢

    <img _fck_mw_filename="RSB-3710 finish RKDevTool 2021-11-02 160931.jpg" _fck_mw_origimgheight="445" _fck_mw_origimgwidth="845" alt="RTENOTITLE" src="/wiki/images/5/55/RSB-3710_finish_RKDevTool_2021-11-02_160931.jpg" style="vertical-align:middle;" title="RTENOTITLE" /> 

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

    <img _fck_mw_filename="RSB-3710 Debian Screenshot from 2022-01-20 06-54-41.png" _fck_mw_origimgheight="768" _fck_mw_origimgwidth="1024" alt="RTENOTITLE" src="/wiki/images/f/f6/RSB-3710_Debian_Screenshot_from_2022-01-20_06-54-41.png" style="vertical-align:middle;" title="RTENOTITLE" /> 

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

Display Setting (RSB-3710)

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

<img _fck_mw_filename="Z75.jpg" _fck_mw_origimgheight="145" _fck_mw_origimgwidth="1022" alt="RTENOTITLE" src="/wiki/images/8/83/Z75.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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)

<a href="Ubuntu%20-%204G%20%E6%A8%A1%E5%A1%8A%28EC-25J%29%20%E8%A8%AD%E5%AE%9A%20%28%204G%20module%20%28EC-25J%29%20in%20Ubuntu%20system%29">Ubuntu - 4G 模塊(EC-25J) 設定 ( 4G module (EC-25J) in Ubuntu system) </a>

<a href="Ubuntu%20-%204G%20%E6%A8%A1%E5%A1%8A%28EC-20%29%20%E8%A8%AD%E5%AE%9A%28%204G%20module%20%28EC-20%29%20in%20Ubuntu%20system%29">Ubuntu - 4G 模塊(EC-20) 設定( 4G module (EC-20) in Ubuntu system) </a>

GPIO使用方法(GPIO Operating Method)

<img _fck_mw_filename="RSB-3710 GPIO define 2022-01-20 142613.jpg" _fck_mw_origimgheight="254" _fck_mw_origimgwidth="480" alt="RTENOTITLE" src="/wiki/images/b/b3/RSB-3710_GPIO_define_2022-01-20_142613.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

<img _fck_mw_filename="RSB-3710 gpio1 2022-01-20 142757.jpg" _fck_mw_origimgheight="149" _fck_mw_origimgwidth="464" alt="RTENOTITLE" src="/wiki/images/c/cf/RSB-3710_gpio1_2022-01-20_142757.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

<img _fck_mw_filename="RSB-3710 gpio2 2022-01-20 142824.jpg" _fck_mw_origimgheight="537" _fck_mw_origimgwidth="465" alt="RTENOTITLE" src="/wiki/images/8/8d/RSB-3710_gpio2_2022-01-20_142824.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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

<img _fck_mw_filename="RSB-3710 ifconfig 2022-01-20 140604.jpg" _fck_mw_origimgheight="871" _fck_mw_origimgwidth="952" alt="RTENOTITLE" src="/wiki/images/2/2b/RSB-3710_ifconfig_2022-01-20_140604.jpg" style="vertical-align:middle;" title="RTENOTITLE" />

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

<img _fck_mw_filename="SSHsettingdetail.png" _fck_mw_origimgheight="600" _fck_mw_origimgwidth="748" alt="RTENOTITLE" src="/wiki/images/3/35/SSHsettingdetail.png" style="vertical-align:middle;" title="RTENOTITLE" />

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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)

<a alt="<a alt="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" href="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" title="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp">http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp</a>" href="<a alt="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" href="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" title="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp">http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp</a>" title="<a alt="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" href="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" title="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp">http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp</a>"><a alt="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" href="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp" title="http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp">http://ess-wiki.advantech.com.tw/view/Debian_BSP_User_Guide_for_rk3399_risc_series&nbsp</a></a>;

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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