View source for EPC-R3220 user guide


= '''產品介紹''' =

== '''資源特性(Features)''' ==

*TI Sitara™ AM3352 Cortex®-A8 800MHz processor 
*1GB of DDR3-800 and 8 GB of eMMC NAND Flash onboard 
*2 Gigabit Ethernet ports 
*2 RS232/485, 1 USB OTG, 6 GPIO 
*WiFi/BT/LTE solution ready 
*Yocto Linux support 
*-20 ~ 70 °C operating temperature/ 12~24V DC power supply 
*Equipped with hardware watchdog timer for system protection 

== '''產品官網連結(Product information Link)'''[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=ROM-5722_user_guide&action=edit&section=3 edit]] ==

[https://www.advantech.com/zh-tw/products/a6f86282-b6ed-4f54-b5b1-cddf3e3ab3cc/epc-r3220/mod_ba26afd3-1706-4172-a93c-3f2c7dc9cc41 '''EPC-R3220''']

= '''接口布局和尺寸(Layout and Sizes)''' =

=== '''EPC-R3220&nbsp; 接口布局圖&nbsp;Board Dimension Layout&nbsp;''' ===

'''Front I/O&nbsp;'''

[[File:EPC-3220 FrontIO2021-10-04 103643.jpg|RTENOTITLE]]

'''Left-Side'''

[[File:EPC-R3220 LeftIO2021-10-04 103920.jpg|RTENOTITLE]]

'''Right-Side'''

[[File:EPC-R3220Right2021-10-04 104111.jpg|RTENOTITLE]]

&nbsp;

[[File:EPC-R3220 connector Inside2021-10-04 131212.jpg|RTENOTITLE]]

&nbsp;

=== '''接口引脚定義 (Pin definitions)''' ===

*[[串口(Debug_port_、RS-232、RS-485_、GPIO)|串口(Debug port&nbsp;、RS-232、RS-485&nbsp;、GPIO)]] 
*[[LAN接口|LAN接口(LAN)]] 
*USB接口(USB1-2、USB-4-5、USB Type C、USB OTG) 
*[[电源(DC-IN)|电源(DC-IN)]] 
*MINI_PCIE接口、I2C_接口 
*[[SW1(SD启动or_EMMC启动）|SW1(SD启动 or EMMC启动）]] 

=== '''机械尺寸&nbsp; ('''Mechanical Characteristics) ===

'''EPC-R3220&nbsp;&nbsp;'''

[[File:EPC-R3220 ME2021-10-04 104559.jpg|RTENOTITLE]]

&nbsp;

&nbsp;

&nbsp;

&nbsp;

----

= '''快速入门 (Quick Start)''' =

=== '''系统下载 (OS Download)''' ===

*'''Linux系统 (Linux OS)''''''&nbsp;&nbsp;''' 

*[https://pan.baidu.com/s/1JgATr1cvCJ65wWdiR8KY_Q Baidu link for TI Yocto 2.4] Password：bxel 
*[https://www.dropbox.com/sh/orviiqrgee1vbhy/AABhjxgOwZSYhBUK-xudAlXwa?dl=0 Dropbox link for TI Yocto 2.4] 
*[https://www.dropbox.com/sh/orviiqrgee1vbhy/AABhjxgOwZSYhBUK-xudAlXwa?dl=0&preview=amxxxx_downloads-2.4.tar.gz Downloads-2.4] 

&nbsp;

=== Note&nbsp;:L'''B'''V=BSP , L'''I'''V= Image ,&nbsp;'''U'''IV=Ubuntu ,&nbsp;'''D'''IV = Debian ===

{| border="1" cellpadding="0" cellspacing="0" style="width: 1213px;"
|-
| style="width: 121px;" | <p style="text-align: center;">Git BSP Tag Version</p> 
| style="width: 103px;" | <p style="text-align: center;">Product</p> 
| style="width: 74px;" | <p style="text-align: center;">CPU</p> 
| style="width: 11px; text-align: center;" | &nbsp;BSP/Image&nbsp;
| style="width: 87px;" | <p style="text-align: center;">Date</p> 
| style="width: 139px;" | <p style="text-align: center;">Alpha Release</p> 
| style="width: 86px;" | <p style="text-align: center;">Beta Release</p> 
| style="width: 78px;" | <p style="text-align: center;">MP Release</p> 
| style="width: 104px;" | <p style="text-align: center;">Release Note</p> 
| style="width: 153px;" | <p style="text-align: center;">SDK</p> 
| style="width: 166px;" | <p style="text-align: center;">Release Owner</p> 
|-
| style="width: 121px;" | am335xDBV20012
| style="width: 103px;" | EPC-R3220A1
| style="width: 74px;" | &nbsp; &nbsp; &nbsp;am3352
| style="width: 11px;" | 2021-07-29
| style="width: 87px;" | 2021-07-29
| style="width: 139px;" | 
Image:am335xDIV20012&nbsp;

BSP:am335xDBV20012

| style="width: 86px;" | &nbsp;
| style="width: 78px;" | &nbsp;
| style="width: 104px;" | [[Media:EPC-R3220_Release_Notes_Debian10_V20012.pdf|''<font color="#0066cc">Release Note</font>'']]
| style="width: 153px;" | am335xDBV20012_SDK
| style="width: 166px;" | Zhengguang.Yang
|-
| style="width: 121px;" | am335xUBV20012
| style="width: 103px;" | EPC-R3220A1
| style="width: 74px;" | &nbsp; &nbsp; &nbsp;am3352
| style="width: 11px;" | 2021-07-29
| style="width: 87px;" | 2021-07-29
| style="width: 139px;" | 
Image:am335xUIV20012

BSP:am335xUBV20012

| style="width: 86px;" | &nbsp;
| style="width: 78px;" | &nbsp;
| style="width: 104px;" | [[Media:EPC-R3220_Release_Notes_Ubuntu18.04_V20012.pdf|''<font color="#0066cc">Release Note</font>'']]
| style="width: 153px;" | am335xUBV20012_SDK
| style="width: 166px;" | Zhengguang.Yang
|-
| style="width: 121px;" | am335xLBV20012
| style="width: 103px;" | EPC-R3220A1
| style="width: 74px;" | &nbsp; &nbsp; &nbsp;am3352
| style="width: 11px;" | 2021-07-29
| style="width: 87px;" | 2021-07-29
| style="width: 139px;" | 
Image:am335xLIV20012

BSP:am335xLBV20012

| style="width: 86px;" | &nbsp;
| style="width: 78px;" | &nbsp;
| style="width: 104px;" | [[Media:EPC-R3220_Release_Notes_Yocto2.4_V20012.pdf|''<font color="#0066cc">Release Note</font>'']]
| style="width: 153px;" | am335xLBV20012_SDK
| style="width: 166px;" | Zhengguang.Yang
|}

&nbsp;

&nbsp;

=== '''Linux&nbsp;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)&nbsp; <u>[Use&nbsp; Ubuntu 18.04 to create SD card&nbsp;]</u>'''

解壓縮檔案(Unzip the files)&nbsp;

[[File:EPC-R3220unzip12021-10-04 143828.jpg|RTENOTITLE]]

'''mkdir ti-sdk-XXX(XXX represents numbers, e.g. ti-sdk-001)'''

Command&nbsp;:&nbsp;phill@riscserver-Default-string:/home/RISC_BSP_Home/EPC-R3220/R3220A1AIM20LIV20012_am335x_2021-07-29$ mkdir ti-sdk-001

'''Unzip file to&nbsp;ti-sdk-001'''

Command&nbsp;: tar -xJf&nbsp;processor-sdk-linux-image-am335xepcr3220a1-20210729031957.tar.xz -C ti-sdk-001

[[File:EPC-R3220Unzip ti0012021-10-04 151725.jpg|RTENOTITLE]]

Step0: 檢查SD卡在Linux 環境的代號 (check SD card symbol in Linux system)&nbsp;

[[File:EPC-R3220 checkSD2021-10-04 152134.jpg|RTENOTITLE]]

[[File:EPC-R3220 checkSD12021-10-04 152201.jpg|RTENOTITLE]]

Step1: 創造一張可開機的SD 卡&nbsp;(Create&nbsp;a bootable SD card)

&nbsp;$ cd ti-sdk-XXX/bin

&nbsp;[[File:EPC-R3220 bin2021-10-04 160222.jpg|RTENOTITLE]]

$ sudo ./create-sdcard.sh

[[File:EPC-R3220 createSD2021-10-04 160506.jpg|RTENOTITLE]]

Select SD card:

[[File:EPC-R3220 selectsd2021-10-04 161451.jpg|RTENOTITLE]]

Select number of partitions:

[[File:EPC-R3220 selectSD12021-10-04 161702.jpg|RTENOTITLE]]

[[File:EPC-R3220 selectpartition2021-10-04 161850.jpg|RTENOTITLE]]

[[File:EPC-R3220 continue2021-10-04 162044.jpg|RTENOTITLE]]

Select Pre-built System image:

[[File:EPC-R3220 prebuildsystemimage2021-10-04 162244.jpg|RTENOTITLE]]

Select tisdk-rootfs-image-XXX.tar.xz(XXX represents machine name, e.g. am335xepcr3220a1):

[[File:EPC-R3220 selecttidisk image2021-10-04 162518.jpg|RTENOTITLE]]

[[File:EPC-R3220 selecttidisk image result2021-10-04 162518.jpg|RTENOTITLE]]

If you need to transfer whole system to on-board flash, please press y followed by Enter.

[[File:EPC-R3220 inand2021-10-04 162836.jpg|RTENOTITLE]]

[[File:EPC-R3220 inand result2021-10-04 162836.jpg|RTENOTITLE]]

&nbsp;

Step2: 將可開機的SD 卡插入底板SD卡卡槽(Plug the SD card into Carrier board 's SD card slot)

&nbsp;[[File:EPC-R3220 SD slotpulgin2021-10-07 134342.jpg|RTENOTITLE]]

Step3: 確認開機選擇指撥開關(Check the SW1&nbsp;switch)

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SPL開機模式(SPL boot mode: boot from SD, MMC...)&nbsp;

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;1--off&nbsp; 2---off

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; eMMC開機模式(eMMC boot mode):

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1--on&nbsp; 2--off

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;Note: After change switch setting. Unplug and plug AC power for the change to take effect.

Step3:打開電源 和 終端機&nbsp;(Turn on the Power & Terminal)

&nbsp; &nbsp; &nbsp;[[File:EPC-R3220 turnonpower2021-10-07 1521111.jpg|RTENOTITLE]]

&nbsp; &nbsp; &nbsp;&nbsp;[[File:EPC-R3220 Login Yocto2021-10-07 1520041111.jpg|RTENOTITLE]]

&nbsp; &nbsp;

&nbsp;

Step4: 利用mk-eMMC-boot.sh 安裝eMMC 鏡像(Flash image to eMMC Flash&nbsp;by mk-eMMC-boot.sh&nbsp;)&nbsp;

[[File:EPC-R3220 mk-eMMC-boot.sh2021-10-07 160353.jpg|RTENOTITLE]]

[[File:EPC-R3220 mk-eMMC-boot.sh 12021-10-07 160438.jpg|RTENOTITLE]]

[[File:EPC-R3220 mk-eMMC-boot.sh 22021-10-07 160353.jpg|RTENOTITLE]]

[[File:EPC-R3220 mk-eMMC-boot.sh 3 22021-10-07 160353.jpg|RTENOTITLE]]

[[File:EPC-R3220 mk-eMMC-boot.sh 4 12021-10-07 160438.jpg|RTENOTITLE]]

[[File:EPC-R3220 mk-eMMC-boot.sh 5 12021-10-07 160438.jpg|RTENOTITLE]]

&nbsp;&nbsp;[[File:EPC-R3220 mk-eMMC-boot.sh 6 12021-10-07 160438.jpg|RTENOTITLE]]

&nbsp;

&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;

&nbsp; &nbsp; &nbsp;

=== '''Debug 串口調試 (Debug port Setting)''' ===

以 Tera Term&nbsp;&nbsp;为例介绍如何使用串口调试功能
<pre>   Baud Rate波特率：115200
   Data 数据位：8
   Parity 奇偶校验：无
&nbsp;  Stop 停止位：1
   Flow Control流控：无</pre>

:&nbsp; 

Tera Term Tool&nbsp;

[[File:TeraTerm 2021-09-10 140930n.jpg|RTENOTITLE]]

[[File:TeraTerm12021-09-10 141114n.jpg|RTENOTITLE]]

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.&nbsp;

[[File:COMportinx862021-09-10 141610.jpg|RTENOTITLE]]

Debug port connection (串口連接)&nbsp;

[[File:EPC-R3220 turnonpower2021-10-07 152136.jpg|RTENOTITLE]]

&nbsp;

Log into Terminal&nbsp; Tool (进入串口调试终端)：

[[File:EPC-R3220 Login Yocto2021-10-07 1520041111.jpg|RTENOTITLE]]

----

= '''Linux系统的基本使用(Linux&nbsp;System Basic Operating Method)''' =

=== '''乙太網路使用方法(Ethernent Testing Method)''' ===

'''Command&nbsp;: ifconfig&nbsp;'''

[[File:EPC-R3220 ethnet ifconfig 2022-01-07 162824.jpg|RTENOTITLE]]

'''Command: Ping - I eth1 8.8.8.8&nbsp; or Ping - I eth0 8.8.8.8&nbsp;&nbsp;'''

[[File:EPC-R3220 ethernet ping 2022-01-07 163028.jpg|RTENOTITLE]]

=== '''WiFi使用方法(WIFI Testing Method)''' ===

'''M.2 Mrvl. WIFI/BT Test<br/> EPC-R3220 supports MarverllSD8897 wifi/bt modules throught M.2.'''
<div>[[File:EPC-R3220 wifi m.2 2021-10-07 164711.jpg|RTENOTITLE]]</div> 
=== '''4G使用方法(4G Testing Method)''' ===
<div>Script&nbsp;:&nbsp;[[4G_ppp_EPC-R3220.7z|4G_ppp.sh&nbsp;]]</div> <div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;[[4G_rndis_EPC-R3220.7z|4G_rndis.sh&nbsp;]]</div> <div>SOP: [[EIOT-_EPC-R3220_EWM-C117_auto_run_script_.docx|Test EWM-C117 with EPC-R3220]]</div> 
=== '''GPIO使用方法(GPIO Operating Method)''' ===

[[File:EPC-R3220 GPIO Test2021-10-07 165814.jpg|RTENOTITLE]]

[[File:EPC-R3220 GPIO Test 1 2021-10-07 170203.jpg|RTENOTITLE]]

&nbsp;
<div>&nbsp;</div> 
=== '''串口使用方法(Serial Port Operating&nbsp;Method)''' ===

RS-232 Test&nbsp;

[[File:EPC-R3220 RS-232 Test2021-10-07 170819.jpg|RTENOTITLE]]

=== '''蓝牙使用方法(BlueTooth Operating&nbsp;Method)''' ===
<pre>Command&nbsp;: 

$ 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</pre>

[[File:BTTest2021-09-09 132449.jpg|RTENOTITLE]]

=== '''&nbsp; 遠程訪問及文件傳輸(Remote Access and File Transimmion)''' ===

'''&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 查看主板IP位址&nbsp;(&nbsp;Chech IP Address )：'''
<pre>        Command&nbsp;: ifconfig</pre>

[[File:EPC-R3220 ifconfig ssh 2021-10-07 171106.jpg|RTENOTITLE]]

==== Windows下SSH访问及文件传输 ====

SSH Remote Log into Device&nbsp;

*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 

&nbsp;

[[File:SSHsettingdetail.png|RTENOTITLE]]

[[File:EPC-R3220 ifconfig ssh 1 2021-10-07 171607.jpg|RTENOTITLE]]

&nbsp;

[[File:Sshsetting12021-09-10 143743n.jpg|RTENOTITLE]]

Account is “root” , no password.

[[File:EPC-R3220 ifconfig ssh 2 2021-10-07 171807.jpg|RTENOTITLE]]

&nbsp;

=== '''RS-485 測試方式 (RS-485 testing method)&nbsp;''' ===

'''Test tool script&nbsp;:&nbsp;'''

'''Uart change mode'''

百度網盤(Baidu Disk):&nbsp;'''链接：[https://pan.baidu.com/s/1HGJoW0jqp_GGK5VFvXAieg &nbsp https://pan.baidu.com/s/1HGJoW0jqp_GGK5VFvXAieg&nbsp;&nbsp];<br/> 提取码：luug&nbsp;'''

'''[[File:EPC-R3220 RS485-1 2021-11-17 094556.jpg|RTENOTITLE]]'''

[[File:EPC-R3220 485-2 2021-11-17 094837.jpg|RTENOTITLE]]

[[File:EPC-R3220 485-3 2021-11-17 094945.jpg|RTENOTITLE]]

&nbsp;

&nbsp;

[[File:EPC-R3220 485-4 2021-11-17 095024.jpg|RTENOTITLE]]

[[File:EPC-R3220 485-5 2021-11-17 095024.jpg|RTENOTITLE]]

= '''通用方法(General Method)''' =

=== &nbsp; '''&nbsp; ''''''&nbsp; 查看CPU频率(Check CPU Frequency)''' ===
<pre>           root@am335xepcr3220a1:/# cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq
           >> 600000
           root@am335xepcr3220a1:/# cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_max_freq    
           >> 800000</pre>

=== '''&nbsp; &nbsp; &nbsp;&nbsp;查看内存容量(Check Memory&nbsp;Capacity)''' ===
<pre>root@am335xepcr3220a1:~# busybox free -m[ &nbsp;143.716190] NET: Registered protocol family 15

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;total &nbsp; &nbsp; &nbsp; used &nbsp; &nbsp; &nbsp; free &nbsp; &nbsp; shared &nbsp; &nbsp;buffers &nbsp; &nbsp; cached
Mem: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1002 &nbsp; &nbsp; &nbsp; &nbsp;152 &nbsp; &nbsp; &nbsp; &nbsp;849 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9 &nbsp; &nbsp; &nbsp; &nbsp; 23 &nbsp; &nbsp; &nbsp; &nbsp; 88
-/+ buffers/cache: &nbsp; &nbsp; &nbsp; &nbsp; 40 &nbsp; &nbsp; &nbsp; &nbsp;961
Swap: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0
</pre>

=== '''&nbsp; &nbsp; &nbsp;&nbsp;查看存储容量(Check Storage Capacity)''' ===
<pre style="margin-left: 40px;">root@am335xepcr3220a1:~# busybox df -h
Filesystem &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Size &nbsp; &nbsp; &nbsp;Used Available Use% Mounted on
/dev/root &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 6.1G &nbsp; &nbsp; &nbsp;2.2G &nbsp; &nbsp; &nbsp;3.5G &nbsp;39% /
devtmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;476.7M &nbsp; &nbsp; &nbsp;4.0K &nbsp; &nbsp;476.7M &nbsp; 0% /dev
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 501.2M &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp;501.2M &nbsp; 0% /dev/shm
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 501.2M &nbsp; &nbsp; &nbsp;9.6M &nbsp; &nbsp;491.6M &nbsp; 2% /run
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 501.2M &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp;501.2M &nbsp; 0% /sys/fs/cgroup
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 501.2M &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp;501.2M &nbsp; 0% /tmp
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;16.0M &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; 16.0M &nbsp; 0% /media/ram
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;50.0M &nbsp; &nbsp;128.0K &nbsp; &nbsp; 49.9M &nbsp; 0% /var/volatile
/dev/mmcblk1p3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 58.0M &nbsp; &nbsp; 31.1M &nbsp; &nbsp; 23.7M &nbsp;57% /run/media/mmcblk1p3
/dev/mmcblk1p6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;739.9M &nbsp; &nbsp;796.0K &nbsp; &nbsp;700.7M &nbsp; 0% /cache
/dev/mmcblk1p5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2.9M &nbsp; &nbsp; 34.0K &nbsp; &nbsp; &nbsp;2.6M &nbsp; 1% /run/media/mmcblk1p5
/dev/mmcblk1p1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 68.9M &nbsp; &nbsp;472.5K &nbsp; &nbsp; 68.4M &nbsp; 1% /run/media/mmcblk1p1
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 100.2M &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp;100.2M &nbsp; 0% /run/user/0</pre>

=== '''&nbsp; &nbsp; &nbsp; 網路Ping測試(Ping Network Testing)''' ===
<pre>     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</pre>

=== '''&nbsp; &nbsp; &nbsp; 設置RTC (RTC Setting)&nbsp;''' ===
<pre>root@am335xepcr3220a1:~# date 101212102021 && hwclock -w && date
Tue Oct 12 12:10:00 UTC 2021
Tue Oct 12 05:52:57 UTC 2021
root@am335xepcr3220a1:~# date
Tue Oct 12 05:52:58 UTC 2021
root@am335xepcr3220a1:~#</pre>

'''&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;'''

= '''Linux&nbsp;BSP編譯方法(Yocto BSP Compile Method)''' =

=== [http://ess-wiki.advantech.com.tw/view/Yocto_Linux_BSP_Ver.4_User_Guide_for_AM57xx/AM335x_series '''EPC-R3220_Yocto 2.4'''] ===

'''SDK使用方法(SDK Build Reference)'''

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| <iframe height="230" key="advonline" level="campaign" path="en/aim-linux_community/" width="100%"></iframe>
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