Smart6818

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Contents

Introduction

Smart681801.jpg
Smart6818-layout.jpg
Front
Overview
  • The Smart6818 CPU board is a Octa-Core Cortex-A53 CPU board designed and developed by FriendlyELEC for industrial applications. As a successor of the Smart210 CPU board it uses the Samsung Octa-Core Cortex-A53 S5P6818 SoC with dynamic frequency scaling up to 1.4GHz. The standard Smart6818 CPU board has 1GB DDR3 RAM and 8GB eMMC. It support software power-off, and RTC alarm power-on functions. In addition its Gbps Ethernet and audio jack make it suitable for various industrial applications.
  • The Smart6818 CPU board has 2.0mm pitch double row pin headers(P1, P2 and P4) containing 174 pins in total. These pins contain most popular interface pins. By default we have P1 and P2 soldered on the board and leave P4 for users' applications. It works with various FriendlyELEC LCDs e.g. 3.5"LCD, 4.3"LCD, 5"LCD, 7"LCD and 10.1"LCD.
  • In addition we have a Smart4418/6818SDK carrier board which enables the Smart6818 CPU board's Gbps Ethernet.In addition, Smart6818 is pin to pin compatible to the Smart4418 CPU board.
  • For more details about the Smart4418/6818 SDK carrier board V1606 refer to Smart4418/6818SDK 1606.

Features

  • SoC: Samsung S5P6818 Octa-Core Cortex-A53, 400M Hz - 1.4G Hz
  • PMU Power Management: Implemented by an MCU, support software power-off, and RTC alarm power-on functions
  • DDR3 RAM: 1GB 32bit DDR3 RAM
  • Ethernet: Gbps Ethernet(RTL8211E) with unique MAC
  • eMMC: 8GB
  • Audio: 1 x audio codec chip, 1 x onboard Microphone and 1 x audio jack
  • LED: 1 x Power LED, 2 x GPIO LED
  • PCB Dimension: 74 x 55 mm, Six-Layer
  • Power: DC 5V, up to 2A
  • Temperature measuring range: -40℃ to 80℃
  • OS/Software: u-boot, Android5.1/4.4, Debian8, ubuntu-core
  • 3 x 2.0mm pitch double row pin header, 174 pins in total:
    • USB 2.0 - Host x1, OTG x1
    • Video output/Display - RGB Parallel I/F (24-bit), LVDS and HDMI 1.4a
    • Video input - DVP Camera interface, ITU-R BT 601/656 8-bit and MIPI-CSI
    • Audio input - Microphone
    • Audio output - Audio jack (with headset detection) and HDMI audio
    • Ethernet - 10/100/1000Mbps Ethernet x 1
    • ADC - CPU internal ADC, 7 channels, 12-bit, range: 0 ~ 1.8V
    • External interface - SDIO/MMC x2, SPI x2, I2C x3, UART x5, PWM x3, GPIOs x24
    • Others - Power key input, RESET input, RESET output, RTC battery input

Pin Spec

P1 P2
Pin# Name Pin# Name Pin# Name Pin# Name
1 VDD_5V 2 DGND 1 UART0_TX 2 UART0_RX
3 RTC_BATT 4 GPIOB8 3 UART1_TX 4 UART1_RX
5 NRESETIN 6 GPIOC17 5 UART2_TX 6 UART2_RX
7 MMC0_CMD 8 MMC1_CMD 7 UART3_TX 8 UART3_RX
9 MMC0_CLK 10 MMC1_CLK 9 UART1_nCTS 10 UART1_nRTS
11 MMC0_D0 12 MMC1_D0 11 CAM0_D0 12 CAM0_D1
13 MMC0_D1 14 MMC1_D1 13 CAM0_D2 14 CAM0_D3
15 MMC0_D2 16 MMC1_D2 15 CAM0_D4 16 CAM0_D5
17 MMC0_D3 18 MMC1_D3 17 CAM0_D6 18 CAM0_D7
19 MMC0_CD 20 GPIOB24 19 CAM0_PCLK 20 CAM0_VSYNC
21 PWRKEY 22 SPI1_CS/GPIOC10 21 CAM0_HYNC 22 GPIOB14
23 GPIOB28/UART4_RX 24 SPI1_MISO/GPIOC11 23 GPIOB16 24 HDMI_TX1P
25 GPIOB29/UART4_TX 26 SPI1_MOSI/GPIOC12 25 HDMI_TX0P 26 HDMI_TX1N
27 GPIOB30 28 SPI1_CLK/GPIOC9 27 HDMI_TX0N 28 HDMI_TXCP
29 GPIOC15 30 GPIOC16 29 HDMI_TX2P 30 HDMI_TXCN
31 GPIOB31 32 GPIOB18 31 HDMI_TX2N 32 HDMI_HPD
33 GPIOD1/PWM0 34 I2C0_SCL 33 I2C1_SDA 34 I2C1_SCL
35 GPIOC13/PWM1 36 I2C0_SDA 35 USB_OTG_ID 36 SPI0_CS
37 USB_HOST_D- 38 I2C2_SCL 37 USB_OTG_D- 38 SPI0_MISO
39 USB_HOST_D+ 40 I2C2_SDA 39 USB_OTG_D+ 40 SPI0_MOSI
41 LCD_B0 42 LCD_B1 41 VBUS_5V 42 SPI0_CL
43 LCD_B2 44 LCD_B3 43 LVDS_CLKP 44 GPIOB25
45 LCD_B4 46 LCD_B5 45 LVDS_CLKM 46 DGND
47 LCD_B6 48 LCD_B7 47 LVDS_Y0P 48 LAN_MDI1_N
49 LCD_G0 50 LCD_G1 49 LVDS_Y0M 50 LAN_MDI1_P
51 LCD_G2 52 LCD_G3 51 LVDS_Y1P 52 LAN_MDI0_N
53 LCD_G4 54 LCD_G5 53 LVDS_Y1M 54 LAN_MDI0_P
55 LCD_G6 56 LCD_G7 55 LVDS_Y2P 56 LINK_LED
57 LCD_R0 58 LCD_R1 57 LVDS_Y2M 58 SPEED_LED
59 LCD_R2 60 LCD_R3 59 LVDS_Y3P 60 DGND
61 LCD_R4 62 LCD_R5 61 LVDS_Y3M 62 HP_DETECT
63 LCD_R6 64 LCD_R7 63 HP-R 64 HP-L
65 LCD_VSYNC 66 LCD_HSYNC 65 LAN_MDI2_P 66 LAN_MDI3_P
67 LCD_CLK 68 LCD_DE 67 LAN_MDI2_N 68 LAN_MDI3_N
69 DGND 70 BOOT_CS 69 Mic-P 70 Mic-N
P4
Pin# Name Pin# Name
1 MIPICSI_DP0 2 GPIOD8/PPM
3 MIPICSI_DN0 4 GPIOC7
5 MIPICSI_DP1 6 GPIOC8
7 MIPICSI_DN1 8 GPIOC24
9 MIPICSI_DP2 10 GPIOC28
11 MIPICSI_DN2 12 GPIOC0
13 MIPICSI_DP3 14 GPIOC1
15 MIPICSI_DN3 16 GPIOC2
17 MIPICSI_DPCLK 18 GPIOC3
19 MIPICSI_DNCLK 20 DGND
21 GPIOB9 22 ADC1
23 GPIOB26 24 ADC3
25 GPIOC4 26 ADC4
27 AliveGPIO3 28 ADC5
29 PWREN_SYS 30 ADC6
31 GPIOC14/PWM2 32 ADC7
33 NRESETOUT 34 DGND
Note:
  1. RTC backup current is 3.35uA.
  2. VDD_5V: Supply voltage, range:4.7 ~ 5.6V. We recommend a 5V/2A(MAX) power. You can lower the clock to decrease the power consumption. When the clock is lowered by 200MHz the power consumption roughly decreases 0.5W .
  3. BOOT_CS: Boot chip selection. When it is not connected or pulled up the board boots from eMMC otherwise it boots from SD card
  4. NRESETIN: Reset input. Activated when it is low. A reset signal is input to CPU from this pin
  5. NRESETOUT: Reset output. Activated when it is low. CPU's reset signal outputs to this pin.
  6. RTC_BATT: RTC's input, direct connection to a 3V power source. If the CPU board is powered on the RTC seat is powered by 3.3V external power otherwise when the CPU board is not powered on it is powered by the RTC battery.
  7. ADC1~7: CPU internal ADC, 12-bit, 7 channels 1~7, range:0 ~ 1.8V
  8. 10/100M Ethernet mode: LAN_MDI1_N/P=RX-/+, LAN_MDI0_N/P=TX-/+, four pins connected to RJ45
  9. 10/100/1000M Ethernet mode: LAN_MDI0_N/P~LAN_MDI3N/P, all eight pins connected to RJ45
  10. For more details refer to our carrier board's design:Smart210/4418 SDK
  11. Schematic(Smart4418-1711-Schematic.pdf)

Board Dimension

Smart4418-6818 drawing.png
For more details refer to the dxf file:Smart6818-1711-Drawing(dxf).zip

Notes in Hardware Design

EEPROM

  • The Smart6818 CPU board has an EEPROM(model: 24AA025E48T-I/OT) with a unique MAC. This EEPROM is connected to I2C0 and its address is 0x51 therefore some EEPROM chips cannot be connected to I2C0 which will cause conflicts of addresses.
  • In our tests these EEPROM chips cannot be connected to I2C0: 24C04, 24C08 and 24C16. There chips which we tested can be connected to I2C0: 24C01, 24C02 and 24C256
  • For more details about EEPROM address issues refer to http://www.onsemi.com/pub_link/Collateral/CAT24C01-D.PDF

Carrier Board

Smart4418/6818SDK

Get Started

Essentials You Need

Before starting to use your Smart6818 get the following items ready

  • Smart6818 CPU board and Smart4418/6818 SDK carrier board
  • Standard SD card: Class10 or above 8GB SDHC card
  • A DC 12V/2A power is a must
  • HDMI monitor or LCD
  • USB keyboard and mouse
  • A host computer running Ubuntu 14.04 64 bit system

Make an Installation SD Card

Boot Smart6818 from SD Card

Get the following files from here download link:

  • Get a 8G SDHC card and backup its data if necessary
Image Files
s5p4418-debian-sd4g-YYYYMMDD.img.zip Debian image file with X Window
s5p4418-debian-wifiap-sd4g-YYYYMMDD.img.zip Debian image file with X Window and WiFi configured as AP
s5p4418-kitkat-sd4g-YYYYMMDD.img.zip Android4.4 image file with support for 4G LTE
s5p4418-android-sd4g-YYYYMMDD.img.zip Android5.1 image file
s5p4418-core-qte-sd4g-YYYYMMDD.img.zip Ubuntu core with Qt Embedded
Flash Utility:
win32diskimager.rar Windows utility. Under Linux users can use "dd"
  • Uncompress these files. Insert an SD card(at least 8G) into a Windows PC and run the win32diskimager utility as administrator,On the utility's main window select your SD card's drive, the wanted image file and click on "write" to start flashing the SD card.
  • Insert this card into your Smart6818's boot slot, press and hold the boot key and power on (with a 12V/2A power source). If the PWR LED is on and LED1 is blinking this indicates your Smart6818 has successfully booted.

Flash Image to Smart6818's eMMC

  • Download eflasher

Get the eflasher utility s5p4418-eflasher-sd8g-xxx-full.img.7z
This package includes a Ubuntu Core, Debian, Android 5 and Android 4.4 image files;
Get the Windows utility: win32diskimager.rar;

  • Flash eflasher Image

Extract the .7z package and you will get .img files.Insert an SD card(at least 8G) into a Windows PC and run the win32diskimager utility as administrator. On the utility's main window select your SD card's drive, the wanted image file and click on "write" to start flashing the SD card.
If your PC runs Linux you can use the dd command to flash a .img file to the SD card;

  • Flash image to eMMC

Insert this card into your Smart6818 SDK carrier board, connect the board to an HDMI monitor or an LCD, press and hold the boot key and power on (with a 12V/2A power source) the board. After your board is powered on you will see multiple OS options and you can select an OS to start installation.

Make Installation Card under Linux Desktop

  • 1) Insert your SD card into your host PC running Ubuntu and check your SD card's device name
dmesg | tail

Search the messages output by "dmesg" for similar words like "sdc: sdc1 sdc2". If you can find them it means your SD card has been recognized as "/dev/sdc". Or you can check that by commanding "cat /proc/partitions"

  • 2) Downlaod Linux script
git clone https://github.com/friendlyarm/sd-fuse_nanopi2.git
cd sd-fuse_nanopi2
  • 3) Make Android SD Card
su
./fusing.sh /dev/sdx

(Note: you need to replace "/dev/sdx" with the device name in your system)
When you run the script for the first time it will prompt you to download an image you have to hit “Y” within 10 seconds otherwise you will miss the download

  • 4) Here is how to make a Debian SD card
./fusing.sh /dev/sdx debian

Extend Smart6818's SD Card Section

  • When Debian/Ubuntu boots it will automatically extend its SD card's section. On its initial booting the system will extend the root file system and other sections.
  • Under Android users need to extend the section by using the following commands:
sudo umount /dev/sdx?
sudo parted /dev/sdx unit % resizepart 4 100 resizepart 7 100 unit MB print
sudo resize2fs -f /dev/sdx7

(Note: you need to replace "/dev/sdx" with the device name in your system)

LCD/HDMI Resolution

When system boots our uboot will check whether it is connected to an LCD or an HDMI monitor. If it recognizes an LCD it will configure its resolution. Our uboot defaults to the HDMI 720P configuration.
If you want to modify the LCD resolution you can modify file "arch/arm/plat-s5p4418/nanopi2/lcds.c" in the kernel and recompile it.
If your Smart6818 is connected to an HDMI monitor and it runs Android it will automatically set the resolution to an appropriate HDMI mode by checking the "EDID". If your Smart6818 is connected an HDMI monitor and it runs Debian by default it will set the resolution to HDMI 720P. If you want to modify the HDMI resolution to 1080P modify your kernel's configuration as explained above.

Update Image Files in SD Card From PC Host

If you want to make some changes to the image files in your SD card follow steps below otherwise you can skip this section.
Insert your SD card into a host PC running Linux, mount the boot and rootfs sections of the SD card and follow the steps below:
1) If you want to change your kernel command line parameters you can do it via the fw_setevn utility under "sd-fuse_nanopi2/tools":
Check the current Command Line:

cd sd-fuse_nanopi2/tools
./fw_printenv /dev/sdc | grep bootargs

Android 5.1.1_r6 starts SELinux. By default it is enforcing. You can change it this way:

./fw_setenv /dev/sdc bootargs XXX androidboot.selinux=permissive

This sets it to "permissive". The "XXX" stands for the original bootargs' value.

2) Update Kernel
Our customized uboot will check the LCD type when it boots.
For a non-Android OS If it recognizes an LCD connected to the Smart6818 it will load "uImage" from "boot" otherwise it will load "uImage.hdmi".
For Android it doesn't make any difference what display device is detected. You can use your generated uImage to replace the existing one under "boot".
For Debian if your generated kernel is for an LCD you need to replace the existing uImage or if your kernel is for an HDMI monitor you need to replace the existing uImage.hdmi.

Run Android or Debian

  • Insert an SD card with Android/Debian image file into your Smart6818's carrier board, connect the board to an HDMI monitor, switch S2 to "SDBOOT", power on the board the Smart6818 will be booted from the SD card. If you can see the PWR LED on and the LED1 flashing it means your board is working and you will see Android/Debain being loaded on the HDMI monitor.

1) If you connect the Smart6818 to an HDMI monitor you need to use a USB mouse and a USB keyboard to operate. If you connect it to an LCD with capacitive touch you can operate directly on the LCD.
2)If you want to do kernel development you need to use a serial communication board, ie a PSU-ONECOM board, which will allow you to operate the board via a serial terminal.

  • Here is a setup in which we connect the COM0 on the Smart6818's V1606 SDK carrier board to a PC running Ubuntu and Minicom via a serial cable you will see system messages output to the PC’s minicom terminal

PSU-ONECOM03

  • Under Debian the password for "root" is "fa"

Login Debian via VNC or SSH

If your Smart6818 is not connected to a display device and your board runs the "-wifiap.img" image you can login to your Smart6818's nanopi2-wifiap(the default password is "123456789") via a mobile phone. You can download and install a "VNC Viewer" from here on mobile phone and login to the Smart6818 via VNC. Its default password is "fa123456". Here is a screenshot which shows how it looks like when users login to the Smart6818 from an iPhone via VNC:
VNC to NanoPi2
You can login via "SSH -l root 192.168.8.1" too and the default password for "root" is "fa"

To make SSH session run faster turn off the WiFi's power saving mode by using the following command:

iwconfig wlan0 power off

Working with Debian

Ethernet Connection

  • If the Smart6818 is connected to a network via Ethernet before it is powered on, it will automatically obtain an IP after it is powered up.

Wireless Connection

Open the file /etc/wpa_supplicant/wpa_supplicant.conf and append the following lines:

network={
        ssid="YourWiFiESSID"
        psk="YourWiFiPassword"
}

The "YourWiFiESSID" and "YourWiFiPassword" need to be replaced with your actual ESSID and password.
Save, exit and run the following commands to connect to a WiFi:

ifdown wlan0
ifup wlan0

If your WiFi password has special characters or you don't want your password saved as plain text you can use "wpa_passphrase" to generate a psk for your WiFi password. Here is how you can do it:

wpa_passphrase YourWiFiESSID

Following the prompt type in your password and open the file /etc/wpa_supplicant/wpa_supplicant.conf you will find that your password has been changed and your can delete your plain text password.

If your AP mode is turned on you need to turn it off. You can do it by using the following commands:

su
turn-wifi-into-apmode no

Setup Wi-Fi AP

You can follow the steps below to setup Wi-Fi AP:

turn-wifi-into-apmode yes

Reboot the system as prompted. By default the AP's name is "nanopi2-wifiap" and the password is 123456789.

Now you are able to find the "nanopi2-wifiap" from a host PC and connect to it. If the connection is successful you will be able to SSH to this Smart6818 at "192.168.8.1":

ssh root@192.168.8.1

The password for it is "fa".

To make SSH run faster turn off the WiFi's power saving mode by using the following command:

iwconfig wlan0 power off

You can check the WiFi mode via the following command:

cat /sys/module/bcmdhd/parameters/op_mode

If the result is "2" it means it is currently working as a WiFi AP.If you want to switch back to the Station mode you can do it this way:

turn-wifi-into-apmode no

Bluetooth

Here are the steps to transfer a file from Smart6818 to a mobile phone. Run the following command to search a surrounding Bluetooth device:

hcitool scan


In our example a mobile phone was detected and the following messages were listed:
Scanning ...
38:BC:1A:B1:7E:DD MEIZU MX4

These messages indicated that a MEIZU MX4 mobile phone was detected. We then checked the Bluetooth services this phone supported with its MAC address presented in front of its device name

sdptool browse 38:BC:1A:B1:7E:DD

Note: you need to use your device's name and its MAC address when you run these commands.

The command listed all the services the phone supported. We needed the "OBEX Object Push" service which is for file transfers.
Service Name: OBEX Object Push
Service RecHandle: 0x1000b
Service Class ID List:
"OBEX Object Push" (0x1105)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 25
"OBEX" (0x0008)
Profile Descriptor List:
"OBEX Object Push" (0x1105)
Version: 0x0100

From the above messages we could get the channel number 25 for the "OBEX Object Push" service. We input this number to the "ussp-push" by running the following command:

ussp-push 38:BC:1A:B1:7E:DD@25 example.jpg example.jpg

Note: you need to use your device's name, its MAC address and channel number when you run these commands.

Usually after the above commands are run a popup window will show on the phone that communicates with Smart6818 and you can start file transfers.

Common Issues:
1) If Smart6818 cannot find a Bluetooth device you can try this command to restart its Bluetooth:

rfkill unblock 0

2) If any of these commands is not installed you can try this command to install it:

apt-get install bluetooth bluez obexftp openobex-apps python-gobject ussp-push


Install Debian Packages

We provide a Debian Jessie image. You can install Jessie's packages by commanding "apt-get". If this is your first installation you need to update the package list by running the following command:

apt-get update

You can install your preferred packages. For example if you want to install an FTP server you can do this:

apt-get install vsftpd

Note: you can change your download server by editting "/etc/apt/sources.list". You can get a complete server list from [1]. You need to select the one with "armhf".

Make Your Own OS Image

Install Cross Compiler

Download the compiler package:

git clone https://github.com/friendlyarm/prebuilts.git
sudo mkdir -p /opt/FriendlyARM/toolchain
sudo tar xf prebuilts/gcc-x64/arm-cortexa9-linux-gnueabihf-4.9.3.tar.xz -C /opt/FriendlyARM/toolchain/

Then add the compiler's directory to "PATH" by appending the following lines in "~/.bashrc":

export PATH=/opt/FriendlyARM/toolchain/4.9.3/bin:$PATH
export GCC_COLORS=auto

Execute "~/.bashrc" to make the changes into effect. Note that there is a space after the first ".":

. ~/.bashrc

This compiler is a 64-bit one therefore it cannot be run on a 32-bit Linux. After the compiler is installed you can verify it by running the following commands:

arm-linux-gcc -v
Using built-in specs.
COLLECT_GCC=arm-linux-gcc
COLLECT_LTO_WRAPPER=/opt/FriendlyARM/toolchain/4.9.3/libexec/gcc/arm-cortexa9-linux-gnueabihf/4.9.3/lto-wrapper
Target: arm-cortexa9-linux-gnueabihf
Configured with: /work/toolchain/build/src/gcc-4.9.3/configure --build=x86_64-build_pc-linux-gnu
--host=x86_64-build_pc-linux-gnu --target=arm-cortexa9-linux-gnueabihf --prefix=/opt/FriendlyARM/toolchain/4.9.3
--with-sysroot=/opt/FriendlyARM/toolchain/4.9.3/arm-cortexa9-linux-gnueabihf/sys-root --enable-languages=c,c++
--with-arch=armv7-a --with-tune=cortex-a9 --with-fpu=vfpv3 --with-float=hard
...
Thread model: posix
gcc version 4.9.3 (ctng-1.21.0-229g-FA)

Compile U-Boot

Download the U-Boot source code and compile it. Note the github's branch is nanopi2-lollipop-mr1:

git clone https://github.com/friendlyarm/uboot_nanopi2.git
cd uboot_nanopi2
git checkout nanopi2-lollipop-mr1
make s5p4418_nanopi2_config
make CROSS_COMPILE=arm-linux-

After your compilation succeeds a u-boot.bin will be generated. If you want to test it flash it to your installation SD card via fastboot. Here is how you can do it
1) On your host PC run "sudo apt-get install android-tools-fastboot" to install the fastboot utility;
2) Connect your Smart6818 to your host PC via a serial cable (e.g. PSU-ONECOME). Press the enter key within two seconds right after you power on your Smart6818 and you will enter uboot's command line mode;
3) After type in "fastboot" and press "enter" you will enter the fastboot mode;
4) Connect your Smart6818 to this host PC via a microUSB cable and type in the following command to flash the u-boot.bin you generated:

fastboot flash bootloader u-boot.bin


Warning: you cannot update this SD card by commanding "dd". This command which will cause trouble when booting the Smart6818.

Prepare mkimage

You need the mkimage utility to compile a U-Boot source code package. Make sure this utility works well on your host before you start compiling a uImage.
You can install this utility by either commanding "sudo apt-get install u-boot-tools" or following the commands below:

cd uboot_nanopi2
make CROSS_COMPILE=arm-linux- tools
sudo mkdir -p /usr/local/sbin && sudo cp -v tools/mkimage /usr/local/sbin

Compile Linux Kernel

Compile Kernel

  • Download Kernel Source Code
git clone https://github.com/friendlyarm/linux-3.4.y.git
cd linux-3.4.y
git checkout nanopi2-lollipop-mr1

The Smart6818's kernel source code lies in the "nanopi2-lollipop-mr1" branch.

  • Compile Android Kernel
make nanopi2_android_defconfig
touch .scmversion
make uImage
  • Compile Debian Kernel
make nanopi2_linux_defconfig
touch .scmversion
make uImage

After your compilation succeeds a uImage will be generated in the "arch/arm/boot/uImage" directory. This kernel is for HDMI 720P. You can use it to replace the existing uImage.hdmi.
If you want to generate a kernel for HDMI 1080P you can do it this way

touch .scmversion
make nanopi2_linux_defconfig
make menuconfig
  Device Drivers -->
    Graphics support -->
      Nexell Graphics -->
        [ ] LCD
        [*] HDMI
        (0)   Display In  [0=Display 0, 1=Display 1]
              Resolution (1920 * 1080p)  --->
make uImage

After your compilation succeeds a uImage will be generated for HDMI 1080P. You can use it to replace the existing uImage

Compile Kernel Modules

Android contains kernel modules which are in the "/lib/modules" directory in the system section. If you want to add your own modules to the kernel or you changed your kernel configurations you need to recompile these new modules.
Compile Original Kernel Modules:

cd linux-3.4.y
make CROSS_COMPILE=arm-linux- modules

Here we have two new modules and we can compile them by following the commands below:

cd /opt/FriendlyARM/s5p4418/android
./vendor/friendly-arm/build/common/build-modules.sh

The "/opt/FriendlyARM/s5p4418/android" directory points to the top directory of Android source code. You can get more details by specifying option "-h".
After your compilation succeeds new modules will be generated

Compile Android

  • Install Cross Compiler

Install 64 bit Ubuntu 14.04 on your PC host.

sudo apt-get install bison g++-multilib git gperf libxml2-utils make python-networkx zip
sudo apt-get install flex libncurses5-dev zlib1g-dev gawk minicom

For more details refer to https://source.android.com/source/initializing.html

  • Download Source Code(Android 5.1)

You need to use repo to get the Android source code. Refer to https://source.android.com/source/downloading.html

mkdir android && cd android
repo init -u https://github.com/friendlyarm/android_manifest.git -b nanopi2-lollipop-mr1
repo sync

The "android" directory is the working directory.

If you want to try Android4.4's source code you can run the following commands:

mkdir android && cd android
repo init -u https://github.com/friendlyarm/android_manifest.git -b nanopi2-kitkat
repo sync

Option "-b" specifies a branch

  • Compile System Package
source build/envsetup.sh
lunch aosp_nanopi2-userdebug
make -j8

After your compilation succeeds the following files will be generated in the "out/target/product/nanopi2/" directory.

filename partition Description
boot.img boot -
cache.img cache -
userdata.img userdata -
system.img system -
partmap.txt - partition description file
  • Flash Image to eMMC

After compiling Android successfully you can flash it to eMMC with either of the following methods
1) fastboot: right after the Smart6818 is booted from eMMC press any key to enter the uboot commandline mode and type in "fastboot"
Connect your board to a host PC running Ubuntu with a USB cable and run the following commands in the PC's terminal:

cd out/target/product/nanopi2
sudo fastboot flash boot boot.img
sudo fastboot flash cache cache.img
sudo fastboot flash userdata userdata.img
sudo fastboot flash system system.img
sudo fastboot reboot

2) Use an SD Card
Copy these files: boot.img, cache.img, userdata.img, system.img, partmap.txt from the out/target/product/nanopi2 directory to your installation SD card's images/android directory and you can use this SD card to flash Android to eMMC

Connect Smart6818 to External Modules

Connect Smart6818 to 4G Module

  • The Smart6818 can work with some 4G modules under Android 4.4. After you connect a 4G module (e.g. ME909u-521 which supports FDD-LTE) to a Smart6818 power on the board the 4G module will be activated automatically

4G Model

Connect Smart6818 to USB Camera(FA-CAM202)

  • In this use case the Smart6818 runs Debian. If you connect your Smart6818 to our LCD or an HDMI monitor after Debain is fully loaded click on "other"-->"xawtv9" on the left bottom of the GUI and the USB Camera application will be started. After enter "welcome to xawtv!" click on "OK" to start exploring.

USB camera USB camera-01

Connect Smart6818 to CMOS 5M-Pixel Camera

For more details about the CAM500A camera refer to [2]

  • If your Smart6818 runs Android5.1 and it is connected to our LCD or an HDMI monitor after Android is fully loaded click on the "Camera" icon and the application will be started. You can take pictures or record videos

CMOS camera

  • Under Debian/Ubuntu a camera utility "nanocams" is available for previewing 40 frames and picture taking. You can try it by following the commands below
sudo nanocams -p 1 -n 40 -c 4 -o IMG001.jpg

For more details about the usage of the nanocams run "nanocams -h". You can get its source code from our git hub:

git clone https://github.com/friendlyarm/nexell_linux_platform.git

Use OpenCV to Access USB Camera

  • The full name of "OpenCV" is Open Source Computer Vision Library and it is a cross platform vision library.
  • When the Smart6818 runs Debian users can use OpenCV APIs to access a USB Camera device.

1. Here is a guideline on how to use OpenCV with C++ on the Smart6818:

  • Firstly you need to make sure your Smart6818 is connected to the internet. Login to your Smart6818 via a serial terminal or SSH. After login type your username(root) and password(fa):
  • Run the following commands:
apt-get update
apt-get install libcv-dev libopencv-dev

2. Make sure your USB camera works with the Smart6818. You can test your camera with Smart6818's camera utility.
3. Check your camera device:

ls /dev/video*
  • Note:in our test case video0 was the USB camera device

4. OpenCV's code sample(official code in C++) is under /home/fa/Documents/opencv-demo. Compile the code sample with the following commands:

cd /home/fa/Documents/opencv-demo
make

After it is compiled successfully a "demo" executable will be generated

6. Connect Smart6818 to USB Keyboard & Run the Following Command

./demo

This is what you expect to observe:

More OS Support

Ubuntu-Core with Qt-Embedded

Ubuntu Core with Qt-Embedded is a light Linux system without X-windows. It uses the Qt-Embedded's GUI and is popular in industrial and enterprise applications.

Besides the regular Ubuntu core's features our Ubuntu-Core has the following additional features:

  • it supports our LCDs with both capacitive touch and resistive touch(S700, X710, S70)
  • it supports WiFi
  • it supports Ethernet
  • it supports Bluetooth and has been installed with bluez utilities
  • it supports audio playing

For more details refer to Ubuntu Core with Qt-Embedded.

Flash Ubuntu-Core with Qt-Embedded to eMMC

1. Make an installation SD card with the win32 utility;
2. Insert this SD card to a host PC and copy the UbuntuCore image (in our example it was "ubuntu_core.img") and 2nboot file(in our example it was "2ndboot.bin.emmc") to it;
2nboot can be downloaded from: https://github.com/friendlyarm/sd-fuse_s5p6818/tree/master/prebuilt
3. Run the following commands to flash the image file to your board's eMMC:

dd  if=ubuntu_core.img   of= /dev/mmcblk1

4. Flash the 2nboo file to the eMMC:

dd if=2ndboot.bin.emmc of=/dev/mmcblk1 bs=512 seek=1

Ubuntu-Mate

Ubuntu-Mate is a Ubuntu variant and its GUI is Mate-desktop. You can log in via SSH when you connect the Smart6818 to an LCD or HDMI
FriendlyARM doesn't provide technical support for it

  • Go to this link download link to download the image files
  • Uncompress it and flash the image file to a TF card with win32diskimager under Windows
  • After it is done you can boot your Smart6818 with this card
  • Login name: "root" or "fa", Password: fa

Kali

  • Go to this link [3] to download the image files;
  • Prepare an 8G High Speed MicroSD card, insert it to a Linux host and do "sudo fdisk -l" to check its device name, i.e. "/dev/sd*".
  • Copy the image files to the card by running the following commands as root:
xzcat kali-2.0-nanopi2.img.xz | dd of=<YOURDEVICE> bs=1m
  • After it is done you can boot your Smart6818 with this card.

Note: this is offered by Kali and FriendlyARM doesn't provide technical support for it.

Deepin15 ARM

  • Go to this link [4] to download the image files
  • Uncompress the file and you will get a 16g.img file which is the image file for MicroSD card.
tar -xf deepin15_nanopi2_armhf_16g.tar.gz
  • Prepare an 16G High Speed SD card, insert it into a Linux host and do "sudo fdisk -l" to check its device name, i.e. "/dev/sd*"
  • Flash the image files to the card by running the following command as root(in our case our card was recognized as "/dev/sdc"):
sudo dd if=16g.img of=/dev/sdc

This process takes a while which can be up to one hour

  • After it is done you can boot your Smart6818 with this card

Notes:
1. The password for login name "deepin" is "deepin". The password for login name "root" is "admin".
2. The initial booting of Deepin15 takes a relative long time for it generates some configuration files.
3. If WiFi is activated in your system booting might take longer. In this case wait for the sound and wifi icons on the right bottom of the GUI to appear before you start any action.

    ARM code: http://packages.deepin.com/armhf/
    NanoPC-T2 Image: http://cdimage.deepin.com/armhf/15/beta1.0/
    NanoPC-T2 Image Installation Instruction; http://bbs.deepin.org/forum.php?mod=viewthread&tid=36670
    Forum for Migrating Deepin15 to ARM: http://bbs.deepin.org/

Note: this is offered by the Deepin15 team and FriendlyARM doesn't provide technical support for it.

Android-Remixos

Go to this link [5] to download the image files;

  • Untar the image ball:
tar -xf nanopi2-android-remixos-sd4g.tar
  • Use the win32diskimager utility to flash the image to an SD card.

It supports HDMI and LCD output and works with all existing FriendlyARM 4418 boards.
Note: this is offered by Remix team and FriendlyARM doesn't provide technical support for it.


Resources

Smart6818 1711 Schematic in PDF
dimension (Smart4418-1608-Dimension(dxf).zip)

Update Log

07-26-2018

  • Released English version

查看中文

Introduction

Smart681801.jpg
Smart6818-layout.jpg
Front
  • The Smart6818 CPU board is a quad core Cortex A9 CPU board designed and developed by FriendlyARM for industrial applications. As a successor of the Smart210 CPU board it uses the Samsung Quad Core Cortex-A9 S5P4418 SoC with dynamic frequency scaling up to 1.4GHz. The standard Smart6818 CPU board has 1GB DDR3 RAM and 8GB eMMC. It has the AXP229 PMU enabling software power off/on and wake-up functions. In addition its Gbps Ethernet and audio jack make it suitable for various industrial applications.
  • The Smart6818 CPU board has 2.0mm pitch double row pin headers(P1, P2 and P4) containing 174 pins in total. These pins contain most popular interface pins. By default we have P1 and P2 soldered on the board and leave P4 for users' applications. It works with various FriendlyARM LCDs e.g. 3.5"LCD, 4.3"LCD, 5"LCD, 7"LCD and 10.1"LCD.
  • In addition we have a Smart4418/6818SDK carrier board which enables the Smart6818 CPU board's Gbps Ethernet.In addition FriendlyARM will soon release a Samsung Octa Core Cortex-A53 S5P6818@1.4GHz based board which is pin to pin compatible to the Smart4418 CPU board.
  • For more details about the Smart4418 SDK carrier board V1606 refer to Smart4418SDK 1606.

Features

  • CPU: Samsung S5P4418 Quad Core Cortex-A9, with dynamic frequency scaling from 400M Hz to 1.4G Hz
  • PMU Power Management Unit: AXP228. it supports software power-off and wake-up functions.
  • DDR3 RAM: 1GB 32bit DDR3 RAM
  • Ethernet: Gbps Ethernet(RTL8211E) with unique MAC
  • eMMC: 8GB
  • Audio: 1 x audio codec chip, 1 x onboard Microphone and 1 x audio jack
  • LED: 1 x Power LED, 2 x GPIO LED
  • Others: onboard thermistor
  • PCB Dimension: 74 x 55 mm, Six-Layer
  • Power: DC 5V, up to 1.2A
  • Temperature measuring range: -40℃ to 80℃
  • OS/Software: u-boot, Android5.1/4.4, Debian8, ubuntu-core
  • 3 x 2.0mm pitch double row pin header, 174 pins in total:
    • USB 2.0 - Host x1, OTG x1
    • Video output/Display - RGB Parallel I/F (24-bit), LVDS and HDMI 1.4a
    • Video input - DVP Camera interface, ITU-R BT 601/656 8-bit and MIPI-CSI
    • Audio input - Microphone
    • Audio output - Audio jack (with headset detection) and HDMI audio
    • Ethernet - 10/100/1000Mbps Ethernet x 1
    • ADC - CPU internal ADC, 7 channels, 12-bit, range: 0 ~ 1.8V
    • External interface - SDIO/MMC x2, SPI x2, I2C x3, UART x5, PWM x3, GPIOs x24
    • Others - Power key input, RESET input, RESET output, RTC battery input

Pin Spec

P1 P2
Pin# Name Pin# Name Pin# Name Pin# Name
1 VDD_5V 2 DGND 1 UART0_TX 2 UART0_RX
3 RTC_BATT 4 GPIOB8 3 UART1_TX 4 UART1_RX
5 NRESETIN 6 GPIOC17 5 UART2_TX 6 UART2_RX
7 MMC0_CMD 8 MMC1_CMD 7 UART3_TX 8 UART3_RX
9 MMC0_CLK 10 MMC1_CLK 9 UART1_nCTS 10 UART1_nRTS
11 MMC0_D0 12 MMC1_D0 11 CAM0_D0 12 CAM0_D1
13 MMC0_D1 14 MMC1_D1 13 CAM0_D2 14 CAM0_D3
15 MMC0_D2 16 MMC1_D2 15 CAM0_D4 16 CAM0_D5
17 MMC0_D3 18 MMC1_D3 17 CAM0_D6 18 CAM0_D7
19 MMC0_CD 20 GPIOB24 19 CAM0_PCLK 20 CAM0_VSYNC
21 PWRKEY 22 SPI1_CS/GPIOC10 21 CAM0_HYNC 22 GPIOB14
23 GPIOB28/UART4_RX 24 SPI1_MISO/GPIOC11 23 GPIOB16 24 HDMI_TX1P
25 GPIOB29/UART4_TX 26 SPI1_MOSI/GPIOC12 25 HDMI_TX0P 26 HDMI_TX1N
27 GPIOB30 28 SPI1_CLK/GPIOC9 27 HDMI_TX0N 28 HDMI_TXCP
29 GPIOC15 30 GPIOC16 29 HDMI_TX2P 30 HDMI_TXCN
31 GPIOB31 32 GPIOB18 31 HDMI_TX2N 32 HDMI_HPD
33 GPIOD1/PWM0 34 I2C0_SCL 33 I2C1_SDA 34 I2C1_SCL
35 GPIOC13/PWM1 36 I2C0_SDA 35 USB_OTG_ID 36 SPI0_CS
37 USB_HOST_D- 38 I2C2_SCL 37 USB_OTG_D- 38 SPI0_MISO
39 USB_HOST_D+ 40 I2C2_SDA 39 USB_OTG_D+ 40 SPI0_MOSI
41 LCD_B0 42 LCD_B1 41 VBUS_5V 42 SPI0_CL
43 LCD_B2 44 LCD_B3 43 LVDS_CLKP 44 GPIOB25
45 LCD_B4 46 LCD_B5 45 LVDS_CLKM 46 DGND
47 LCD_B6 48 LCD_B7 47 LVDS_Y0P 48 LAN_MDI1_N
49 LCD_G0 50 LCD_G1 49 LVDS_Y0M 50 LAN_MDI1_P
51 LCD_G2 52 LCD_G3 51 LVDS_Y1P 52 LAN_MDI0_N
53 LCD_G4 54 LCD_G5 53 LVDS_Y1M 54 LAN_MDI0_P
55 LCD_G6 56 LCD_G7 55 LVDS_Y2P 56 LINK_LED
57 LCD_R0 58 LCD_R1 57 LVDS_Y2M 58 SPEED_LED
59 LCD_R2 60 LCD_R3 59 LVDS_Y3P 60 DGND
61 LCD_R4 62 LCD_R5 61 LVDS_Y3M 62 HP_DETECT
63 LCD_R6 64 LCD_R7 63 HP-R 64 HP-L
65 LCD_VSYNC 66 LCD_HSYNC 65 LAN_MDI2_P 66 LAN_MDI3_P
67 LCD_CLK 68 LCD_DE 67 LAN_MDI2_N 68 LAN_MDI3_N
69 DGND 70 BOOT_CS 69 Mic-P 70 Mic-N
P4
Pin# Name Pin# Name
1 MIPICSI_DP0 2 GPIOD8/PPM
3 MIPICSI_DN0 4 GPIOC7
5 MIPICSI_DP1 6 GPIOC8
7 MIPICSI_DN1 8 GPIOC24
9 MIPICSI_DP2 10 GPIOC28
11 MIPICSI_DN2 12 GPIOC0
13 MIPICSI_DP3 14 GPIOC1
15 MIPICSI_DN3 16 GPIOC2
17 MIPICSI_DPCLK 18 GPIOC3
19 MIPICSI_DNCLK 20 DGND
21 GPIOB9 22 ADC1
23 GPIOB26 24 ADC3
25 GPIOC4 26 ADC4
27 AliveGPIO3 28 ADC5
29 PWREN_SYS 30 ADC6
31 GPIOC14/PWM2 32 ADC7
33 NRESETOUT 34 DGND
Note:
  1. VDD_5V: Supply voltage, range:4.7 ~ 5.6V. We recommend a 5V/1.2A(MAX) power. You can lower the clock to decrease the power consumption. When the clock is lowered by 200MHz the power consumption roughly decreases 0.5W .
  2. BOOT_CS: Boot chip selection. When it is not connected or pulled up the board boots from eMMC otherwise it boots from SD card
  3. NRESETIN: Reset input. Activated when it is low. A reset signal is input to CPU from this pin
  4. NRESETOUT: Reset output. Activated when it is low. CPU's reset signal outputs to this pin.
  5. RTC_BATT: RTC's input, direct connection to a 3V power source. If the CPU board is powered on the RTC seat is powered by 3.3V external power otherwise when the CPU board is not powered on it is powered by the RTC battery.
  6. ADC1~7: CPU internal ADC, 12-bit, 7 channels 1~7, range:0 ~ 1.8V
  7. 10/100M Ethernet mode: LAN_MDI1_N/P=RX-/+, LAN_MDI0_N/P=TX-/+, four pins connected to RJ45
  8. 10/100/1000M Ethernet mode: LAN_MDI0_N/P~LAN_MDI3N/P, all eight pins connected to RJ45
  9. For more details refer to our carrier board's design:Smart210/4418 SDK
    • For more details about the Smart4418 SDK carrier board V1606 refer to Smart4418SDK 1606.
  10. Smart6818 Schematic in pdf

Board Dimension

Smart4418-6818 drawing.png
For more details refer to the dxf file:Smart6818-1711-Drawing(dxf).zip

Notes in Hardware Design

EEPROM

  • The Smart6818 CPU board has an EEPROM(model: 24AA025E48T-I/OT) with a unique MAC. This EEPROM is connected to I2C0 and its address is 0x51 therefore some EEPROM chips cannot be connected to I2C0 which will cause conflicts of addresses.
  • In our tests these EEPROM chips cannot be connected to I2C0: 24C04, 24C08 and 24C16. There chips which we tested can be connected to I2C0: 24C01, 24C02 and 24C256
  • For more details about EEPROM address issues refer to http://www.onsemi.com/pub_link/Collateral/CAT24C01-D.PDF

Carrier Board

Smart4418SDK Comparison
Smart210/4418 SDK
Smart4418SDK

Get Started

Essentials You Need

Before starting to use your Smart6818 get the following items ready

  • Smart6818 CPU board and Smart210/4418 SDK carrier board
  • Standard SD card: Class10 or above 8GB SDHC card
  • A DC 12V/2A power is a must
  • HDMI monitor or LCD
  • USB keyboard and mouse
  • A host computer running Ubuntu 14.04 64 bit system

Boot from SD Card

Get the following files from here download link:

  • Get a 8G SDHC card and backup its data if necessary.
Image Files
s5p6818-sd-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip FriendlyCore(32bit) with Qt 5.10.0 (base on Ubuntu core) image file
s5p6818-sd-friendlycore-xenial-4.4-arm64-YYYYMMDD.img.zip FriendlyCore(64bit) with Qt 5.10.0 (base on Ubuntu core) image file
s5p6818-sd-lubuntu-desktop-xenial-4.4-armhf-YYYYMMDD.img.zip LUbuntu Desktop image file with X Window
s5p6818-sd-android-lollipop-YYYYMMDD.img.zip Android5.1 image file
s5p6818-eflasher-lubuntu-desktop-xenial-4.4-armhf-YYYYMMDD.img.zip SD card image, which is used to install a lubuntu desktop to eMMC
s5p6818-eflasher-android-lollipop-YYYYMMDD.img.zip SD card image, which is used to install an Android to eMMC
s5p6818-eflasher-friendlycore-xenial-4.4-arm64-YYYYMMDD.img.zip SD card image, which is used to install a FriendlyCore-arm64 to eMMC
s5p6818-eflasher-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip SD card image, which is used to install a FriendlyCore-armhf to eMMC
Flash Utility:
win32diskimager.rar Windows utility. Under Linux users can use "dd"
  • Uncompress these files. Insert an SD card(at least 4G) into a Windows PC and run the win32diskimager utility as administrator. On the utility's main window select your SD card's drive, the wanted image file and click on "write" to start flashing the SD card.
  • Insert this card into your board's boot slot, press and hold the boot key (only applies to a board with onboard eMMC) and power on (with a 5V/2A power source). If the PWR LED is on and LED1 is blinking this indicates your board has successfully booted.

Flash image to eMMC with eflasher

  • Download eflasher image file

An image file's name is as : s5p6818-eflasher-OSNAME-YYYYMMDD.img.zip
The "OSNAME" is the name of an OS e.g. android, friendlycore and etc;
This image file is used for making an installation SD card and it contains a Ubuntu core system and a utility EFlasher;
Download s5p6818-eflasher-OSNAME-YYYYMMDD.img.zip to a host PC and get a windows utility win32diskimager.rar as well;

  • Make Installation SD Card with eflasher

Extract the package with a 7z utility and you will get a file with an extension ".img". Insert an SDHC card(minimum 8G or above) to a PC running Windows, run the Win32DiskImager utility as administrator, click on "Image File" to select your wanted file, select your SD card and click on "Write" to start flashing the Image to your SD card;
If your PC runs Linux you can command "dd" to extract the package and get an ".img" file and write it to your SD card;

  • Operate in GUI Window: Flash OS to eMMC

Insert your SD card to Smart6818, connect an HDMI monitor or LCD to your board, press and hold the "boot" key beside the Ethernet port, power on the board you will see a

pop-up window asking you to select an OS for installation. Select your wanted OS and start installation.
  • Operate in Commandline Utility: Flash OS to eMMC

Insert an installation SD card to Smart6818, log into or SSH to your board and run the following command to start EFlasher:

sudo eflasher

Make Installation Card under Linux Desktop

  • 1) Insert your SD card into a host computer running Ubuntu and check your SD card's device name
dmesg | tail

Search the messages output by "dmesg" for similar words like "sdc: sdc1 sdc2". If you can find them it means your SD card has been recognized as "/dev/sdc". Or you can check that by commanding "cat /proc/partitions"

  • 2) Downlaod Linux script

git clone https://github.com/friendlyarm/sd-fuse_s5p6818.git
cd sd-fuse_s5p6818

  • 3) Here is how to make a Lubuntu desktop SD card
sudo ./fusing.sh /dev/sdx lubuntu

(Note: you need to replace "/dev/sdx" with the device name in your system)
When you run the script for the first time it will prompt you to download an image you have to hit “Y” within 10 seconds otherwise you will miss the download

  • 4) Run this command to make a complete image file:
sudo ./mkimage.sh lubuntu

More content please refre: Assembling the SD card image yourself

Extend SD Card Section

  • When Debian/Ubuntu is loaded the SD card's section will be automatically extended.
  • When Android is loaded you need to run the following commands on your host PC to extend your SD card's section:
sudo umount /dev/sdx?
sudo parted /dev/sdx unit % resizepart 4 100 resizepart 7 100 unit MB print
sudo resize2fs -f /dev/sdx7

(Note: you need to replace "/dev/sdx" with the device name in your system)

LCD/HDMI Resolution

When the system boots our uboot will check whether it is connected to an LCD or to an HDMI monitor. If it recognizes an LCD it will configure its resolution. Our uboot defaults to the HDMI 720P configuration.
If you want to modify the LCD resolution you can modify file "arch/arm/plat-s5p6818/nanopi3/lcds.c" in the kernel and recompile it.
If your Smart6818 is connected to an HDMI monitor and it runs Android it will automatically set the resolution to an appropriate HDMI mode by checking the "EDID". If your Smart6818 is connected to an HDMI monitor and it runs Debian by default it will set the resolution to the HDMI 720P configuration. If you want to modify the HDMI resolution to 1080P modify your kernel's configuration as explained above.

Update SD Card's boot parameters From PC Host

Insert your SD card into a host PC running Linux, if you want to change your kernel command line parameters you can do it via the fw_setevn utility.
Check the current Command Line:

git clone https://github.com/friendlyarm/sd-fuse_s5p6818.git
cd sd-fuse_s5p6818/tools
./fw_printenv /dev/sdx | grep bootargs

For example, to disable android SELinux, You can change it this way:

./fw_setenv /dev/sdc bootargs XXX androidboot.selinux=permissive

The "XXX" stands for the original bootargs' value.

Work with FriendlyCore

Introduction

FriendlyCore is a light Linux system without X-windows, based on ubuntu core, It uses the Qt-Embedded's GUI and is popular in industrial and enterprise applications.

Besides the regular Ubuntu core's features our FriendlyCore has the following additional features:

  • it supports our LCDs with both capacitive touch and resistive touch(S700, X710, HD702, S430, HD101 and S70)
  • it supports WiFi
  • it supports Ethernet
  • it supports Bluetooth and has been installed with bluez utilities
  • it supports audio playing
  • it supports Qt 5.10.0 EGLES and OpenGL ES1.1/2.0 (Only for S5P4418/S5P6818)

FriendlyCore's User Accounts

  • If your board is connected to an HDMI monitor you need to use a USB mouse and keyboard.
  • If you want to do kernel development you need to use a serial communication board, ie a PSU-ONECOM board, which will

For example, NanoPi-M1:
PSU-ONECOM-M1.jpg
You can use a USB to Serial conversion board too.
Make sure you use a 5V/2A power to power your board from its MicroUSB port:
For example, NanoPi-M1:
USB2UART-NEO2.jpg

  • FriendlyCore User Accounts:

Non-root User:

   User Name: pi
   Password: pi

Root:

   User Name: root
   Password: fa

The system is automatically logged in as "pi". You can do "sudo npi-config" to disable auto login.

  • Update packages
$ sudo apt-get update

Configure System with npi-config

The npi-config is a commandline utility which can be used to initialize system configurations such as user password, system language, time zone, Hostname, SSH switch , Auto login and etc. Type the following command to run this utility.

$ sudo npi-config

Here is how npi-config's GUI looks like:
npi-config

Develop Qt Application

Please refer to: How to Build and Install Qt Application for FriendlyELEC Boards

Setup Program to AutoRun

You can setup a program to autorun on system boot with npi-config:

sudo npi-config

Go to Boot Options -> Autologin -> Qt/Embedded, select Enable and reboot.

Extend TF Card's Section

When FriendlyCore is loaded the TF card's section will be automatically extended.You can check the section's size by running the following command:

$ df -h

WiFi

For either an SD WiFi or a USB WiFi you can connect it to your board in the same way. The APXX series WiFi chips are SD WiFi chips. By default FriendlyElec's system supports most popular USB WiFi modules. Here is a list of the USB WiFi modules we tested:

Index Model
1 RTL8188CUS/8188EU 802.11n WLAN Adapter
2 RT2070 Wireless Adapter
3 RT2870/RT3070 Wireless Adapter
4 RTL8192CU Wireless Adapter
5 mi WiFi mt7601

You can use the NetworkManager utility to manage network. You can run "nmcli" in the commandline utility to start it. Here are the commands to start a WiFi connection:

  • Change to root
$ su root
  • Check device list
$ nmcli dev

Note: if the status of a device is "unmanaged" it means that device cannot be accessed by NetworkManager. To make it accessed you need to clear the settings under "/etc/network/interfaces" and reboot your system.

  • Start WiFi
$ nmcli r wifi on
  • Scan Surrounding WiFi Sources
$ nmcli dev wifi
  • Connect to a WiFi Source
$ nmcli dev wifi connect "SSID" password "PASSWORD" ifname wlan0

The "SSID" and "PASSWORD" need to be replaced with your actual SSID and password.If you have multiple WiFi devices you need to specify the one you want to connect to a WiFi source with iface
If a connection succeeds it will be automatically setup on next system reboot.

For more details about NetworkManager refer to this link: Use NetworkManager to configure network settings

If your USB WiFi module doesn't work most likely your system doesn't have its driver. For a Debian system you can get a driver from Debian-WiFi and install it on your system. For a Ubuntu system you can install a driver by running the following commands:

$ apt-get install linux-firmware

In general all WiFi drivers are located at the "/lib/firmware" directory.


Ethernet Connection

If a board is connected to a network via Ethernet before it is powered on it will automatically obtain an IP with DHCP activated after it is powered up. If you want to set up a static IP refer to: Use NetworkManager to configure network settings

Set Audio Device

If your system has multiple audio devices such as HDMI-Audio, 3.5mm audio jack and I2S-Codec you can set system's default audio device by running the following commands.

  • After your board is booted run the following commands to install alsa packages:
$ apt-get update
$ apt-get install libasound2
$ apt-get install alsa-base
$ apt-get install alsa-utils
  • After installation is done you can list all the audio devices by running the following command. Here is a similar list you may see after you run the command:
$ aplay -l
card 0: HDMI
card 1: 3.5mm codec
card 2: I2S codec

"card 0" is HDMI-Audio, "card 1" is 3.5mm audio jack and "card 2" is I2S-Codec. You can set default audio device to HDMI-Audio by changing the "/etc/asound.conf" file as follows:

pcm.!default {
    type hw
    card 0
    device 0
}
 
ctl.!default {
    type hw
    card 0
}

If you change "card 0" to "card 1" the 3.5mm audio jack will be set to the default device.
Copy a .wav file to your board and test it by running the following command:

$ aplay /root/Music/test.wav

You will hear sounds from system's default audio device.
If you are using H3/H5/H2+ series board with mainline kernel, the easier way is using npi-config

Run Qt 5.10.0 Demo with GPU acceleration

Run the following command

$ sudo qt5demo

S5pxx18-QtE

Run Qt 5.10.0 Demo with OpenGL

Run the following command

. setqt5env
cd $QTDIR
cd /examples/opengl/qopenglwidget
./qopenglwidget

For more Qt 5.10.0 examples, please go to:
cd $QTDIR/examples/

Play HD Video with Hardware-decoding

gst-player is console player, it base on GStreamer, support VPU with Hardware-decoding:

sudo gst-player /home/pi/demo.mp4

The equivalent gsteamer command is as follows:

sudo gst-launch-1.0 filesrc location=/home/pi/demo.mp4 ! qtdemux name=demux demux. ! queue ! faad ! audioconvert ! audioresample ! alsasink device="hw:0,DEV=1" demux. ! queue ! h264parse ! nxvideodec ! nxvideosink dst-x=0 dst-y=93 dst-w=1280 dst-h=533

Connect to DVP Camera CAM500B

The CAM500B camera module is a 5M-pixel camera with DVP interface. For more tech details about it you can refer to Matrix - CAM500B.
Under Debian/Ubuntu a camera utility "nanocams" is available for previewing 40 frames and picture taking. You can try it by following the commands below

sudo nanocams -p 1 -n 40 -c 4 -o IMG001.jpg

For more details about the usage of the nanocams run "nanocams -h". You can get its source code from our git hub:

git clone https://github.com/friendlyarm/nexell_linux_platform.git

Power Off and Schedule Power On

“PMU Power Management” feature helps us to auto power on the board at a specific time, it is implemented by an MCU, support software power-off, and RTC alarm power-up functions.

Here’s a simple guide:
Turn on automatically after 100 seconds. (Time must be greater than 60 seconds.):

$ sudo echo 100 > /sys/class/i2c-dev/i2c-3/device/3-002d/wakealarm

After setting up the automatic boot, turn off board with the 'poweroff’ command:

$ sudo poweroff

Cancel automatic boot:

$ sudo echo 0 > /sys/class/i2c-dev/i2c-3/device/3-002d/wakealarm

Query the current settings, in the front is current time, followed by the time of automatic booting: If no automatic boot is set, it will display "disabled”.

$ sudo cat /sys/class/i2c-dev/i2c-3/device/3-002d/wakealarm


Note that some older versions of hardware may not support this feature, if you don't see this file node in your system:
/sys/class/i2c-dev/i2c-3/device/3-002d/wakealarm
your board may be it does not support this feature.

Make Your Own OS Image

Install Cross Compiler

Install aarch64-linux-gcc 6.4

Download the compiler package:

git clone https://github.com/friendlyarm/prebuilts.git
sudo mkdir -p /opt/FriendlyARM/toolchain
sudo tar xf prebuilts/gcc-x64/aarch64-cortexa53-linux-gnu-6.4.tar.xz -C /opt/FriendlyARM/toolchain/

Then add the compiler's directory to "PATH" by appending the following lines in "~/.bashrc":

export PATH=/opt/FriendlyARM/toolchain/6.4-aarch64/bin:$PATH
export GCC_COLORS=auto

Execute "~/.bashrc" to make the changes take effect. Note that there is a space after the first ".":

. ~/.bashrc

This compiler is a 64-bit one therefore it cannot be run on a 32-bit Linux machine. After the compiler is installed you can verify it by running the following commands:

aarch64-linux-gcc -v
Using built-in specs.
COLLECT_GCC=aarch64-linux-gcc
COLLECT_LTO_WRAPPER=/opt/FriendlyARM/toolchain/6.4-aarch64/libexec/gcc/aarch64-cortexa53-linux-gnu/6.4.0/lto-wrapper
Target: aarch64-cortexa53-linux-gnu
Configured with: /work/toolchain/build/aarch64-cortexa53-linux-gnu/build/src/gcc/configure --build=x86_64-build_pc-linux-gnu
--host=x86_64-build_pc-linux-gnu --target=aarch64-cortexa53-linux-gnu --prefix=/opt/FriendlyARM/toolchain/6.4-aarch64
--with-sysroot=/opt/FriendlyARM/toolchain/6.4-aarch64/aarch64-cortexa53-linux-gnu/sysroot --enable-languages=c,c++
--enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-cpu=cortex-a53
...
Thread model: posix
gcc version 6.4.0 (ctng-1.23.0-150g-FA)

Install arm-linux-gcc 4.9.3

Download the compiler package:

git clone https://github.com/friendlyarm/prebuilts.git
sudo mkdir -p /opt/FriendlyARM/toolchain
sudo tar xf prebuilts/gcc-x64/arm-cortexa9-linux-gnueabihf-4.9.3.tar.xz -C /opt/FriendlyARM/toolchain/

Then add the compiler's directory to "PATH" by appending the following lines in "~/.bashrc":

export PATH=/opt/FriendlyARM/toolchain/4.9.3/bin:$PATH
export GCC_COLORS=auto

Execute "~/.bashrc" to make the changes take effect. Note that there is a space after the first ".":

. ~/.bashrc

This compiler is a 64-bit one therefore it cannot be run on a 32-bit Linux machine. After the compiler is installed you can verify it by running the following commands:

arm-linux-gcc -v
Using built-in specs.
COLLECT_GCC=arm-linux-gcc
COLLECT_LTO_WRAPPER=/opt/FriendlyARM/toolchain/4.9.3/libexec/gcc/arm-cortexa9-linux-gnueabihf/4.9.3/lto-wrapper
Target: arm-cortexa9-linux-gnueabihf
Configured with: /work/toolchain/build/src/gcc-4.9.3/configure --build=x86_64-build_pc-linux-gnu
--host=x86_64-build_pc-linux-gnu --target=arm-cortexa9-linux-gnueabihf --prefix=/opt/FriendlyARM/toolchain/4.9.3
--with-sysroot=/opt/FriendlyARM/toolchain/4.9.3/arm-cortexa9-linux-gnueabihf/sys-root --enable-languages=c,c++
--with-arch=armv7-a --with-tune=cortex-a9 --with-fpu=vfpv3 --with-float=hard
...
Thread model: posix
gcc version 4.9.3 (ctng-1.21.0-229g-FA)

Compile Linux kernel 4.4.y

Compile Kernel

  • Download Kernel Source Code
git clone https://github.com/friendlyarm/linux.git -b nanopi2-v4.4.y --depth 1
cd linux

The kernel source for S5P6818 is in the "nanopi2-v4.4.y" branch. Before you start compiling it you need to switch to this branch.

  • Compile Ubuntu Kernel
touch .scmversion
make ARCH=arm64 nanopi3_linux_defconfig
make ARCH=arm64

After your compilation succeeds an "arch/arm/boot/Image" will be generated and a DTB file(s5p6818-nanopi2-rev*.dtb) will be generated in the "arch/arm/boot/dts/nexell" directory. You can use them to replace the existing Image and DTB files in the boot partition of your bootable SD card.

Use Your Generated Kernel

  • Update kernel in SD card

If you use an SD card to boot Ubuntu you can copy your generated Image and DTB files to your SD card's boot partition(e.g. partition 1 /dev/sdX1).

  • Update kernel in eMMC

If you boot your board from eMMC you can update your kernel file by following the steps below:
1) Usually after OS is loaded eMMC's boot partition (in our example eMMC's device name was /dev/mmcblk0p1) will be automatically mounted and you can verify that by running "mount"
2) Connect your board to a host PC running Ubuntu and copy the Image and DTB files to eMMC's boot partition
3) Or you can copy your generated kernel file to an external storage card(e.g. an SD card or a USB drive), connect the storage card to your board the move the file from the card to eMMC's boot partition
4) After update is done type "reboot" to reboot your board. Note: don't just directly disconnect your board from its power source or press the reset button to reboot the board. These actions will damage your kernel file

  • Generate Your boot.img

If you want to generate an image file that can be flashed to eMMC you need to generate a boot.img file and then copy it to your installation SD card
For Ubuntu follow the steps below to generate a boot.img file:
1) Download debian_nanopi2

git clone https://github.com/friendlyarm/debian_nanopi2.git

2) Copy the Image and DTB files to replace the corresponding files under the "debian_nanopi2/boot/" directory
3) Generate boot.img

cd debian_nanopi2
mkdir rootfs
./build.sh

A newly generated boot.img will be under the "debian_nanopi2/sd-fuse_nanopi2/debian" directory.
The "mkdir rootfs" command creates a working directory for the build.sh script to run. It also creates some files such as "rootfs.img" but these files are useless.

Compile U-Boot

Download the U-Boot v2016.01 source code and compile it. Note that the github's branch is nanopi2-v2016.01:

git clone https://github.com/friendlyarm/u-boot.git 
cd u-boot
git checkout nanopi2-v2016.01
make make s5p6818_nanopi3_defconfig
make CROSS_COMPILE=aarch64-linux-

After your compilation succeeds a fip-nonsecure.img will be generated. If you want to test it flash it to your installation SD card to replace an existing U-Boot v2016.01 file via fastboot, sd-fuse_s5p6818 or eflasher ROM.
Note: you cannot use mixed U-Boot files. For example you cannot use fastboot to update an existing U-Boot V2014.07 and you cannot use bootloader.img to replace an existing u-boot.bin.

Compile Linux kernel 3.4.y

Prepare mkimage

You need the mkimage utility to compile a U-Boot source code package. Make sure this utility works well on your host before you start compiling a uImage.
You can install this utility by either commanding "sudo apt-get install u-boot-tools" or following the commands below:

cd uboot_nanopi2
make CROSS_COMPILE=arm-linux- tools
sudo mkdir -p /usr/local/sbin && sudo cp -v tools/mkimage /usr/local/sbin

Compile Linux Kernel

  • Download Kernel Source Code
git clone https://github.com/friendlyarm/linux-3.4.y.git
cd linux-3.4.y
git checkout nanopi2-lollipop-mr1

The NanoPC-T3's kernel source code lies in the "nanopi2-lollipop-mr1" branch.

  • Compile Android Kernel
make nanopi3_android_defconfig
touch .scmversion
make uImage
  • Compile Debian Kernel
make nanopi3_linux_defconfig
touch .scmversion
make uImage

After your compilation succeeds a uImage will be generated in the "arch/arm/boot/" directory. This kernel is for LCD output. You can use it to replace the existing uImage.
If you want to generate a kernel for HDMI output you need to run nanopi3_linux_hdmi_defconfig and do it this way:

make nanopi3_linux_hdmi_defconfig
touch .scmversion
make uImage

After your compilation succeeds a uImage.hdmi will be generated for HDMI 720P. If you want a uImage.hdmii for 1080P you can do it this way:

touch .scmversion
make nanopi3_linux_hdmi_defconfig
make menuconfig
  Device Drivers -->
    Graphics support -->
      Nexell Graphics -->
        [ ] LCD
        [*] HDMI
        (0)   Display In  [0=Display 0, 1=Display 1]
              Resolution (1920 * 1080p)  --->
make uImage

After your compilation succeeds a uImage.hdmi will be generated for HDMI 1080P. You can use it to replace the existing uImage.hdmi.

Use Your Generated Kernel

  • Update the kernel file in SD card

If you use an SD card to boot Android you can copy your generated uImage file to your SD card's boot partition(e.g. partition 1 /dev/sdX1).
If you use an SD card to Debian and you generated a uImage for an HDMI monitor you can use that uImage to replace the uImage.hdmi file in the SD card's boot partition. If you use an SD card to Debian and you generated a uImage for an LCD you can use that uImage to replace the uImage file in the SD card's boot partition.

  • Update Android kernel file in eMMC

If you want to update the kernel file in eMMC you need firstly boot your board, then mount eMMC's boot partition, replace the boot partition's kernel file with your generated one and reboot your board.
If you boot your board from eMMC you can update your kernel file by following the steps below:
1) After Android is loaded mount eMMC's boot partition (in our example eMMC's device name was /dev/mmcblk0p1) by using the following commands:

su
mount -t ext4 /dev/block/mmcblk0p1 /mnt/media_rw/sdcard1/

2) Connect your board to a host PC running Ubuntu with a MicroUSB cable and copy the uImage file to eMMC's boot partition by running the following commands

adb push uImage /mnt/media_rw/sdcard1/

3) Or you can copy your generated kernel file to an external storage card(e.g. an SD card or a USB drive), connect the storage card to your board the move the file from the card to eMMC's boot partition
4) After update is done type "reboot" and enter to reboot your board. Note: don't just directly disconnect your board from its power source or press the reset button to reboot the board. These actions will damage your kernel file

  • Update Debian kernel file in eMMC

If you boot your board from eMMC you can update your kernel file by following the steps below:
1) When Debian is being loaded eMMC's boot partition will be automatically mounted(in our example eMMC's device name was /dev/mmcblk0p1). You can use "mount" to verify that
2) Connect your board to a host PC via Ethernet and copy your generated uImage file via scp/ftp to eMMC's boot partition and replace the existing file. If your file is for LCD output use your uImage file to replace the existing uImage. If your file is for HDMI output use your uImage.hdmi file to replace the existing uImage.hdmi file
3) Or you can copy your generated kernel file to an external storage card(e.g. an SD card or a USB drive), connect the storage card to your board the move the file from the card to eMMC's boot partition
4) After update is done type in "reboot" to reboot your board. Note: don't just directly disconnect your board from its power source or press the reset button to reboot the board. These actions will damage your kernel file

  • Generate Your boot.img

If you want to generate an image file that can be flashed to eMMC you need to generate a boot.img file and copy it to your installation SD card
For Android copy the uImage file to Android source code's "device/friendly-arm/nanopi3/boot/" directory and compile this whole Android source code. After your compilation is successful you will get a boot.img file.
For Debian follow the steps below to generate a boot.img file
1) Download debian_nanopi2

git clone https://github.com/friendlyarm/debian_nanopi2.git

2) Copy the image file for an HDMI monitor and use it to replace the "debian_nanopi2/boot/uImage.hdmi" file and copy the image file for an LCD and use it to replace the "debian_nanopi2/boot/uImage" file
3) Generate Debian's boot.img

cd debian_nanopi2
mkdir rootfs
./build.sh

A newly generated boot.img will be under the "debian_nanopi2/sd-fuse_nanopi2/debian" directory.
The "mkdir rootfs" command creates a working directory for the build.sh script to run. It also creates some files such as "rootfs.img" but these files are useless.

Compile Kernel Modules

Android contains kernel modules which are in the "/lib/modules" directory in the system partition. If you want to add your own modules to the kernel or you changed your kernel configurations you need to recompile these new modules.
Compile Original Kernel Modules:

cd linux-3.4.y
make CROSS_COMPILE=arm-linux- modules

Here we have two new modules and we can compile them by running the commands below:

cd /opt/FriendlyARM/s5p6818/android
./vendor/friendly-arm/build/common/build-modules.sh

The "/opt/FriendlyARM/s5p6818/android" directory points to the top directory of Android source code. You can get more details by specifying option "-h".
After your compilation succeeds new modules will be generated

Compile U-Boot

Download the U-Boot source code and compile it. Note that the github's branch is nanopi2-lollipop-mr1:

git clone https://github.com/friendlyarm/uboot_nanopi2.git
cd uboot_nanopi2
git checkout nanopi2-lollipop-mr1
make s5p6818_nanopi3_config
make CROSS_COMPILE=arm-linux-

After compilation is done a u-boot.bin will be generated and you can update your NanoPC-T3's u-boot with fastboot by running the following commands:
1) On your host PC run "sudo apt-get install android-tools-fastboot" to installl the fastboot utility;
2) Connect your NanoPC-T3 to your host PC, boot your NanoPC-T3 and press "Enter" within two seconds right after your board is powered on and you will enter the u-boot commandline:
3) In the commandline window type "fastboot" and then press "Enter" to enter the fastboot mode:
4) Connect your NanoPC-T3 to a host PC with a MicroUSB cable and run the following commands in the commandline window to flash u-boot.bin to your NanoPC-T3:

fastboot flash bootloader u-boot.bin


Note:you cannot use "dd" to update your SD card in this situation.

Compile Android

  • Install Cross Compiler

Install 64 bit Ubuntu 16.04 on your host PC.

sudo apt-get install bison g++-multilib git gperf libxml2-utils make python-networkx zip
sudo apt-get install flex libncurses5-dev zlib1g-dev gawk minicom

For more details refer to https://source.android.com/source/initializing.html

  • Download Source Code

You need to use repo to get the Android source code. Refer to https://source.android.com/source/downloading.html

mkdir android && cd android
repo init -u https://github.com/friendlyarm/android_manifest.git -b nanopi3-lollipop-mr1
repo sync

The "android" directory is the working directory.

  • Compile System Package
source build/envsetup.sh
lunch aosp_nanopi3-userdebug
make -j8

After your compilation succeeds an image will be generated in the "out/target/product/nanopi3/" directory.

filename partition Description
boot.img boot -
cache.img cache -
userdata.img userdata -
system.img system -
partmap.txt - partition file
  • Flash Image to SD Card

If you want to boot your board from an SD card you need to copy your generated image file to the "sd-fuse_s5p6818 /android/" directory and flash it to your SD card with our script. For more details refer to # Make an Installation SD Card under Linux Desktop

  • Flash Image to eMMC

After compiling Android successfully you can flash it to eMMC with either of the following methods:
1) fastboot: right after the NanoPC-T2 is booted from eMMC press any key to enter the uboot commandline mode and type in "fastboot"
Connect your board to a host PC running Ubuntu with a USB cable and run the following commands in the PC's terminal:

cd out/target/product/nanopi3
sudo fastboot flash boot boot.img
sudo fastboot flash cache cache.img
sudo fastboot flash userdata userdata.img
sudo fastboot flash system system.img
sudo fastboot reboot

2) Use an SD Card
Copy these files: boot.img, cache.img, userdata.img, system.img, partmap.txt from the out/target/product/nanopi3 directory to your installation SD card's images/android directory and you can use this SD card to flash Android to eMMC.

Connect Smart6818 to External Modules

Connect Smart6818 to USB Camera(FA-CAM202)

  • In this use case the Smart6818 runs Debian. If you connect your Smart6818 to our LCD or an HDMI monitor after Debain is fully loaded click on "other"-->"xawtv" on the left bottom of the GUI and the USB Camera application will be started. After enter "welcome to xawtv!" click on "OK" to start exploring.

USB camera USB camera-01

Connect Smart6818 to CMOS 5M-Pixel Camera

For more details about the CAM500A camera refer to [6]

  • If your Smart6818 runs Android5.1 and it is connected to our LCD or an HDMI monitor after Android is fully loaded click on the "Camera" icon and the application will be started. You can take pictures or record videos

CMOS camera

  • Under Debian/Ubuntu a camera utility "nanocams" is available for previewing 40 frames and picture taking. You can try it by following the commands below
sudo nanocams -p 1 -n 40 -c 4 -o IMG001.jpg

For more details about the usage of the nanocams run "nanocams -h". You can get its source code from our git hub:

git clone https://github.com/friendlyarm/nexell_linux_platform.git

Use OpenCV to Access USB Camera

  • The full name of "OpenCV" is Open Source Computer Vision Library and it is a cross platform vision library.
  • When the Smart6818 runs Debian users can use OpenCV APIs to access a USB Camera device.

1. Here is a guideline on how to use OpenCV with C++ on the Smart6818:

  • Firstly you need to make sure your Smart6818 is connected to the internet.Login to your Smart6818 via a serial terminal or SSH. After login type in your username(root) and password(fa):
  • Run the following commands:


apt-get update
apt-get install libcv-dev libopencv-dev

2. Make sure your USB camera works with the Smart6818. You can test your camera with Smart6818's camera utility.

3. Check your camera device:

ls /dev/video*
  • Note:in our test case video0 was the device name.

4. OpenCV's code sample(official code in C++) is under /home/fa/Documents/opencv-demo. Compile the code sample with the following commands:

cd /home/fa/Documents/opencv-demo
make

After it is compiled successfully a "demo" executable will be generated

5. Connect Smart6818 to USB Keyboard & Run the Following Command:

./demo

opencv is successfully started

Connect Smart6818 to Matrix GPS Module

  • The Matrix-GPS module is a small GPS module with high performance. It can be used in navigation devices, four-axle drones and etc.
  • The Matrix-GPS module uses serial communication. When the Smart6818 is connected to the Matrix GPS module, after the Smart6818 is powered up type in the following command in a terminal or click on the xgps icon it will be started.
$su - fa -c "DISPLAY=:0 xgps 127.0.0.1:9999"
  • Or on the Debian GUI start the LXTerminal, type in "xgps" and enter it will be started too.

For more details about this GPS module refer to Click to check
Refer to the following diagram to connect the Smart6818 to the Matrix-GPS:
GPS_NanoPC-T2

Connection Details:

Matrix-GPS Smart6818
RXD Pin11
TXD Pin12
5V Pin29
GND Pin30

Access Hardware under Android

FriendlyElec developed a library called “libfriendlyarm-hardware.so”, for android developer to access the hardware resources on the development board in their android apps, the library is based on Android NDK.
Accessible Modules:

  • Serial Port
  • PWM
  • EEPROM
  • ADC
  • LED
  • LCD 1602 (I2C)
  • OLED (SPI)


Interfaces & Ports:

  • GPIO
  • Serial Port
  • I2C
  • SPI


Refer to the following url for details:

Connect Smart6818 to FriendlyARM LCD Modules

  • Android

Here are the LCDs that are supported under Android:S430, S700/S701, S702, HD700, HD702, HD101 and X710 all of which are LCDs with capacitive touch.

  • FriendlyCore & Lubuntu Desktop

Here are the LCDs that are supported under FriendlyCore and Lubuntu Desktop:S430, S700/S701, S702, HD700, HD702, HD101 and X710 all of which are LCDs with capacitive touch;
W35B, H43, P43, S70D and Matrix 2.8" SPI Key TFT LCD all of which are LCDs with resistive touch
All these LCD's tech details can be obtained on our wiki site:LCDModules

Schematics & Mechanical drawing

Source Code and Image Files Download Links

  • Image File: [7]
  • Source Code: [8]

Tech Support

If you have any further questions please visit our forum http://www.friendlyarm.com/Forum/ and post a message or email us at techsupport@friendlyarm.com. We will endeavor to get back to you as soon as possible.

Update Log

April-28-2016

  • Released English version

June-30-2016

  • Added sections 5.2.4 and 8

Sep-27-2016

  • Added section 9
  • Updated sections 5.2.2 and 8.2

Nov-2-2016

  • Updated sections 6.4 and 11

June-20-2017

  • Updated sections 6.2 and 6.3: wireless connection and setting up WIFI AP
  • Updated section 8.4.1: added compiling kernel for UbuntuCore
  • Added section 3: software features
  • Added section 7: UbuntuCore
  • Added section 9.5: LCD support

March-28-2018

  • Updated sections 6.10