EPC-R3220 user guide

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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

訂購資訊(Ordering Information)

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接口布局和尺寸(Layout and Sizes)

EPC-R3220  接口布局圖 Board Dimension Layout 

Front I/O 

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Left-Side

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Right-Side

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接口引脚定義 (Pin definitions)

机械尺寸  (Mechanical Characteristics)

EPC-R3220  

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快速入门 (Quick Start)

系统下载 (OS Download)

  • 'Linux系统 (Linux OS)'  


Note :LBV=BSP , LIV= Image , UIV=Ubuntu , DIV = Debian

Git BSP Tag Version

Product

CPU

 BSP/Image 

Date

Alpha Release

Beta Release

MP Release

Release Note

SDK

Release Owner

am335xDBV20012
EPC-R3220A1
     am3352
2021-07-29
2021-07-29

Image:am335xDIV20012 

BSP:am335xDBV20012



Release Note
am335xDBV20012_SDK
Zhengguang.Yang
am335xUBV20012
EPC-R3220A1
     am3352
2021-07-29
2021-07-29

Image:am335xUIV20012

BSP:am335xUBV20012



Release Note
am335xUBV20012_SDK
Zhengguang.Yang
am335xLBV20012
EPC-R3220A1
     am3352
2021-07-29
2021-07-29

Image:am335xLIV20012

BSP:am335xLBV20012



Release Note
am335xLBV20012_SDK
Zhengguang.Yang

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)  [Use  Ubuntu 18.04 to create SD card ]

解壓縮檔案(Unzip the files) 

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

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

Unzip file to ti-sdk-001

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

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

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

 $ cd ti-sdk-XXX/bin

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$ sudo ./create-sdcard.sh

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Select SD card:

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Select number of partitions:

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Select Pre-built System image:

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

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

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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)

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Step3: 確認開機選擇指撥開關 

           SD 卡開機模式:

            1--off  2---off

             


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

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

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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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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. 

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Debug port connection (串口連接) 

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Log into Terminal  Tool (进入串口调试终端):

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

乙太網路使用方法(Ethernent Testing Method)

Command : ifconfig 

EPC-R3220 ethnet ifconfig 2022-01-07 162824.jpg

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

EPC-R3220 ethernet ping 2022-01-07 163028.jpg

WiFi使用方法(WIFI Testing Method)

M.2 Mrvl. WIFI/BT Test
EPC-R3220 supports MarverllSD8897 wifi/bt modules throught M.2.

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4G使用方法(4G Testing Method)

Script : 4G_ppp.sh 
            4G_rndis.sh 
SOP: Test EWM-C117 with EPC-R3220

GPIO使用方法(GPIO Operating Method)

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串口使用方法(Serial Port Operating Method)

RS-232 Test 

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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

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  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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Account is “root” , no password.

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RS-485 測試方式 (RS-485 testing method) 

Test tool script : 

Uart change mode

百度網盤(Baidu Disk): 链接:&nbsp https://pan.baidu.com/s/1HGJoW0jqp_GGK5VFvXAieg  
提取码:luug 

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通用方法(General Method)

    '  查看CPU频率(Check CPU Frequency)'

           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

      查看内存容量(Check Memory Capacity)

root@am335xepcr3220a1:~# busybox free -m[  143.716190] NET: Registered protocol family 15

             total       used       free     shared    buffers     cached
Mem:          1002        152        849          9         23         88
-/+ buffers/cache:         40        961
Swap:            0          0          0

      查看存储容量(Check Storage Capacity)

root@am335xepcr3220a1:~# busybox df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 6.1G      2.2G      3.5G  39% /
devtmpfs                476.7M      4.0K    476.7M   0% /dev
tmpfs                   501.2M         0    501.2M   0% /dev/shm
tmpfs                   501.2M      9.6M    491.6M   2% /run
tmpfs                   501.2M         0    501.2M   0% /sys/fs/cgroup
tmpfs                   501.2M         0    501.2M   0% /tmp
tmpfs                    16.0M         0     16.0M   0% /media/ram
tmpfs                    50.0M    128.0K     49.9M   0% /var/volatile
/dev/mmcblk1p3           58.0M     31.1M     23.7M  57% /run/media/mmcblk1p3
/dev/mmcblk1p6          739.9M    796.0K    700.7M   0% /cache
/dev/mmcblk1p5            2.9M     34.0K      2.6M   1% /run/media/mmcblk1p5
/dev/mmcblk1p1           68.9M    472.5K     68.4M   1% /run/media/mmcblk1p1
tmpfs                   100.2M         0    100.2M   0% /run/user/0

      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@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:~#

         

Linux BSP編譯方法(Yocto BSP Compile Method)

EPC-R3220_Yocto 2.4

SDK使用方法(SDK Build Reference)