NanoPC-T2

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Contents

1 Introduction

Overview
Front
Back
  • The NanoPC-T2 quad core Cortex A9 single board computer is designed and developed by FriendlyARM for professional and enterprise users. It uses the Samsung Quad Core Cortex-A9 S5P4418 SoC with dynamic frequency scaling up to 1.4GHz. Compared to FriendlyARM's existing 4418 based boards the NanoPC-T2 has 8G eMMC onboard, audio jack and video input/output interfaces. Compared to its predecessor the NanoPC-T1 the NanoPC-T2 has built-in WiFi, Bluetooth and Gbps Ethernet port. In addition the NanoPC-T2 has power management which the NanoPC-T1 doesn't support. To avoid overheat issues the NanoPC-T2 has a heat sink with mounting posts.
  • The NanoPC-T2 combines all the ports and interfaces the existing FriendlyARM 4418 boards have. Currently it has the most interfaces and ports among all existing ARM boards of this size. Its rich video interfaces and support for HDMI 1080P enable it to work with not only popular display devices but also various FriendlyARM LCDs (both resistive touch and capacitive touch).
  • The NanoPC-T2 is FriendlyARM's most complete solution based on Samsung 4418 for both commercial and industrial applications.

2 Hardware Spec

  • SoC: Samsung S5P4418 Quad Core Cortex-A9 with dynamic frequency scaling up to 1.4G Hz
  • PMU Power Management: Implemented by an MCU, support solftware power-off, and RTC alarm power-on functions
  • System Memory: 1GB 32bit DDR3 RAM
  • eMMC: 8GB
  • Storage: 1 x SD Card Slot
  • Ethernet: Gbps Ethernet Port (RTL8211E) with unique MAC
  • WiFi: 802.11b/g/n
  • Bluetooth: 4.0 dual mode
  • Antenna: Porcelain Antenna IPX Interface
  • Video Input: DVP Camera/MIPI-CSI (two camera interfaces)
  • Video Output: HDMI Type-A / LVDS / LCD / MIPI DSI (four video output interfaces)
  • Audio: 3.5 mm audio jack / via HDMI
  • Microphone: 1 x onboard Microphone
  • USB: 4 x USB 2.0 Host, two standard type A ports and two 2.54mm pitch pin headers
  • MicroUSB: 1 x MicroUSB 2.0 Client, Type A
  • LCD Interface: 0.5mm pitch 45 pin FPC seat, full color RGB 8-8-8
  • HDMI: 1.4A Type A, 1080P
  • DVP Camera: 0.5mm pitch 24 pin FPC seat
  • GPIO: 2.54 mm pitch 30 pin header
  • Serial Debug Port: 2.54mm pitch 4pin header
  • LED: 1 x power LED , 2 x GPIO LED
  • User Key: 1 x K1 (power), 1 x Reset
  • Other Resource: 1 x onboard thermistor
  • RTC Battery: RTC Seat Pins
  • Power: DC 5V/2A
  • Heat Sink: 1 x Heat Sink with mounting holes
  • PCB: Six Layer, ENIG
  • PCB Dimension: 100 mm x 60 mm
  • Working Temperature: -40℃ to 70℃
  • OS/Software: u-boot, Android 4.4, Android5.1 and Debian8

3 Software Features

3.1 UbuntuCore

  • npi-config: system configuration utility for setting passwords, language, timezone, hostname, SSH and auto-login,and enabling/disabling i2c, spi, serial and PWM
  • networkmanager: manage network
  • system log output from serial port
  • welcome window with basic system information and status
  • auto-login with user account "pi" with access to npi-config
  • UART2 enabled
  • supports CAM500B

3.2 Debian

  • supports CAM500B

3.3 Android

  • supports setting up static IP
  • supports accessing hardware with FriendlyElec's libfriendlyarm-things.so
  • integrated iTest utility for testing hardware

4 Diagram, Layout and Dimension

4.1 Layout

NanoPC-T2 Layout
  • 30Pin GPIO Pin Spec
Pin# Name Pin# Name
1 SYS_3.3V 2 DGND
3 UART2_TX/GPIOD20 4 UART2_RX/GPIOD16
5 I2C0_SCL 6 I2C0_SDA
7 SPI0_MOSI/GPIOC31 8 SPI0_MISO/GPIOD0
9 SPI0_CLK/GPIOC29 10 SPI0_CS/GPIOC30
11 UART3_TX/GPIOD21 12 UART3_RX/GPIOD17
13 UART4_TX/GPIOB29 14 UART4_RX/GPIOB28
15 GPIOB31 16 GPIOB30
17 GPIOC4 18 GPIOC7
19 GPIOC8 20 GPIOC24
21 GPIOC28 22 GPIOB26
23 GPIOD1/PWM0 24 GPIOD8/PPM
25 GPIOC13/PWM1 26 AliveGPIO3
27 GPIOC14/PWM2 28 AliveGPIO5
29 VDD_5V 30 DGND
  • LVDS
Pin# Name
1 VDD_5V
2 VDD_5V
3 VDD_5V
4 LVDS_Y0M
5 LVDS_Y0P
6 DGND
7 LVDS_Y1M
8 LVDS_Y1P
9 DGND
10 LVDS_Y2M
11 LVDS_Y2P
12 DGND
13 LVDS_CLKM
14 LVDS_CLKP
15 DGND
16 LVDS_Y3M
17 LVDS_Y3P
18 DGND
19 GPIOB18
20 DGND
21 I2C2_SCL
22 I2C2_SDA
23 GPIOC16
24 DGND
  • DVP Camera Interface Pin Spec
Pin# Name
1, 2 SYS_3.3V
7,9,13,15,24 DGND
3 I2C0_SCL
4 I2C0_SDA
5 GPIOB14
6 GPIOB16
8 GPIOC13/PWM1
10 NC
11 VSYNC
12 HREF
14 PCLK
16-23 Data bit7-0
  • RGB LCD IF Pin Spec
Pin# Name Description
1, 2 VDD_5V 5V Output, it can be used to power LCD modules
11,20,29, 37,38,39,40, 45 DGND Ground
3-10 Blue LSB to MSB RGB blue
12-19 Green LSB to MSB RGB green
21-28 Red LSB to MSB RGB red
30 GPIOB25 available for users
31 GPIOC15 occupied by FriendlyARM one wire technology to recognize LCD models and control backlight and implement resistive touch, not applicable for users
32 XnRSTOUT Form CPU low when system is reset
33 VDEN signal the external LCD that data is valid on the data bus
34 VSYNC vertical synchronization
35 HSYNC horizontal synchronization
36 LCDCLK LCD clock, Pixel frequency
41 I2C2_SCL I2C2 clock signal, for capacitive touch data transmission
42 I2C2_SDA I2C2 data signal, for capacitive touch data transmission
43 GPIOC16 interrupt pin for capacitive touch, used with I2C2
44 NC Not connected
  • MIPI-DSI Interface Pin Spec
Pin# Name
1, 2, 3 VDD_5V
4 DGND
5 I2C2_SDA
6 I2C2_SCL
7 DGND
8 GPIOC16
9 DGND
10 GPIOC1
11 DGND
12 GPIOA28
13 nRESETOUT
14, 15 DGND
16 MIPIDSI_DN3
17 MIPIDSI_DP3
18 DGND
19 MIPIDSI_DN2
20 MIPIDSI_DP2
21 DGND
22 MIPIDSI_DN1
23 MIPIDSI_DP1
24 DGND
25 MIPIDSI_DN0
26 MIPIDSI_DP0
27 DGND
28 MIPIDSI_DNCLK
29 MIPIDSI_DPCLK
30 DGND
  • MIPI-CSI Interface Pin Spec
Pin# Name
1, 2 SYS_3.3V
3 DGND
4 I2C0_SDA
5 I2C0_SCL
6 DGND
7 SPI2_MOSI/GPIOC12
8 SPI2_MISO/GPIOC11
9 SPI2_CS/GPIOC10
10 SPI2_CLK/GPIOC9
11 DGND
12 GPIOB23
13 GPIOC2
14 GPIOC13/PWM1
15 DGND
16 MIPICSI_DN3
17 MIPICSI_DP3
18 DGND
19 MIPICSI_DN2
20 MIPICSI_DP2
21 DGND
22 MIPICSI_DN1
23 MIPICSI_DP1
24 DGND
25 MIPICSI_DN0
26 MIPICSI_DP0
27 DGND
28 MIPICSI_DNCLK
29 MIPICSI_DPCLK
30 DGND
Note:
  1. SYS_3.3V: 3.3V power output
  2. VDD_5V: 5V power output
  3. For more details refer to the document: NanoPC-T2-T3-Schematic.pdf

4.2 Board Dimension

NanoPC-T2 Dimensions

For more details refer to the document: NanoPC-T2-T3_1711_Draw_dxf.zip
  • Power Jack
  • DC 4.7~5.6V IN, 4.0*1.7mm Power Jack
DC-023.png

5 Notes in Hardware Design

5.1 EEPROM

  • The 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

6 Get Started

6.1 Essentials You Need

Before starting to use your NanoPC-T2 get the following items ready

  • NanoPC-T2
  • SD Card: Class 10 or Above, minimum 8GB SDHC
  • A DC 5V/2A power is a must
  • HDMI monitor or LCD
  • USB keyboard, mouse and possible a USB hub(or a TTL to serial board)
  • A host computer running Ubuntu 16.04 64 bit system

6.2 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
s5p4418-sd-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip FriendlyCore with Qt 5.10.0 (base on Ubuntu core) image file
s5p4418-sd-lubuntu-desktop-xenial-4.4-armhf-YYYYMMDD.img.zip LUbuntu Desktop image file with X Window
s5p4418-sd-friendlywrt-4.4-YYYYMMDD.img.zip FriendlyWrt image file (base on OpenWrt)
s5p4418-sd-android7-YYYYMMDD.img.zip Android7 image file
s5p4418-sd-android-kitkat-YYYYMMDD.img.zip Android4.4 image file with support for 4G LTE
s5p4418-sd-android-lollipop-YYYYMMDD.img.zip Android5.1 image file
s5p4418-eflasher-lubuntu-desktop-xenial-4.4-armhf-YYYYMMDD.img.zip SD card image, which is used to install a lubuntu desktop to eMMC
s5p4418-eflasher-friendlywrt-4.4-YYYYMMDD.img.zip SD card image, which is used to install a FriendlyWrt to eMMC
s5p4418-eflasher-android7-YYYYMMDD.img.zip SD card image, which is used to install a android7 to eMMC
s5p4418-eflasher-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip SD card image, which is used to install a friendly-core to eMMC
s5p4418-eflasher-android-kitkat-YYYYMMDD.img.zip SD card image, which is used to install a android4 to eMMC
s5p4418-eflasher-android-lollipop-YYYYMMDD.img.zip SD card image, which is used to install a android5 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.

6.3 Flash image to eMMC with eflasher

  • Download eflasher image file

An image file's name is as : s5p4418-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 s5p4418-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 NanoPC-T2, 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 NanoPC-T2, log into or SSH to your board and run the following command to start EFlasher:

sudo eflasher

6.3.1 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_nanopi2.git
cd sd-fuse_nanopi2

  • 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

6.4 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)

6.5 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-s5p4418/nanopi2/lcds.c" in the kernel and recompile it.
If your NanoPC-T2 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 NanoPC-T2 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.

6.6 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_nanopi2.git
cd sd-fuse_nanopi2/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.

6.7 Run Android or Linux (TODO)

  • 将制作好SD卡插入NanoPC-T2,连接HDMI,按住靠近网口的boot按键,最后接电源(5V 2A)拨动开关,NanoPC-T2会从SD卡启动。你可以看到板上PWR灯常亮,LED1灯闪烁,这说明系统已经开始启动了,同时电视上也将能看到系统启动的画面。
  • 要在电视上进行操作,你需要连接USB鼠标和键盘;如果你选购了LCD配件,则可以直接使用LCD上面的触摸屏进行操作。

7 Work with FriendlyCore

7.1 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)

7.2 System Login

  • 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-NEO2:
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

7.3 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

7.4 Develop Qt Application

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

7.5 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.

7.6 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

7.7 Transfer files using Bluetooth

Take the example of transferring files to the mobile phone. First, set your mobile phone Bluetooth to detectable status, then execute the following command to start Bluetooth search.:

hcitool scan


Search results look like:

Scanning ...
    2C:8A:72:1D:46:02   HTC6525LVW

This means that a mobile phone named HTC6525LVW is searched. We write down the MAC address in front of the phone name, and then use the sdptool command to view the Bluetooth service supported by the phone:

sdptool browser 2C:8A:72:1D:46:02

Note: Please replace the MAC address in the above command with the actual Bluetooth MAC address of the mobile phone.
This command will detail the protocols supported by Bluetooth for mobile phones. What we need to care about is a file transfer service called OBEX Object Push. Take the HTC6525LVW mobile phone as an example. The results are as follows:

Service Name: OBEX Object Push
Service RecHandle: 0x1000b
Service Class ID List:
  "OBEX Object Push" (0x1105)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 12
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX Object Push" (0x1105)
    Version: 0x0100

As can be seen from the above information, the channel used by the OBEX Object Push service of this mobile phone is 12, we need to pass it to the obexftp command, and finally the command to initiate the file transfer request is as follows:

obexftp --nopath --noconn --uuid none --bluetooth -b 2C:8A:72:1D:46:02 -B 12 -put example.jpg

Note: Please replace the MAC address, channel and file name in the above command with the actual one.

After executing the above commands, please pay attention to the screen of the mobile phone. The mobile phone will pop up a prompt for pairing and receiving files. After confirming, the file transfer will start.

Bluetooth FAQ:
1) Bluetooth device not found on the development board, try to open Bluetooth with the following command:

rfkill unblock 0

2) Prompt can not find the relevant command, you can try to install related software with the following command:

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

7.8 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
6 5G USB WiFi RTL8821CU
7 5G USB WiFi RTL8812AU

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.

7.9 Setup Wi-Fi AP

Follow the steps below. Since our OS image by default already has the NetworkManager utility you will be prompted to uninstall it first:

sudo turn-wifi-into-apmode yes

After you uninstall the NetworkManager reboot your board.
After your board is rebooted run the above commands again and you will be prompted to type in a WIFI's name and password. Type in your wanted name and password

If this is successful you will be able to find and connect your board to a WIFI. Login to your board at 192.168.8.1:

ssh root@192.168.8.1

Type in a password. In our system the password is "fa".

To login smoothly via SSH we recommend you turning off WIFI's power save mode by running the following commands:

sudo iwconfig wlan0 power off

You can check your WiFi's mode by running the following command:

sudo cat /sys/module/bcmdhd/parameters/op_mode

Number 2 means your WiFi is in AP mode. You can switch to the Station mode by running the following command:

sudo turn-wifi-into-apmode no

7.10 Bluetooth

Search for surrounding bluetooth devices by running the following command:

$ su root
$ hciconfig hci0 up
$ hcitool scan

You can run "hciconfig" to check bluetooth's status.

7.11 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


7.12 Select the system default audio device

You can set the system default audio device by following the steps below.
Use the following command to view all the sound card devices in the system (Note: different development boards will have different results):

pi@NanoPi:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: nanopi2audio [nanopi2-audio], device 0: c0055000.i2s-ES8316 HiFi ES8316 HiFi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: nanopi2audio [nanopi2-audio], device 1: c0059000.spdiftx-dit-hifi dit-hifi-1 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

As you can see, the following sound card devices are available on the hardware:

Sound card device Sound card number Description
nanopi2audio device 0 3.5mm jack interface
nanopi2audio device 1 HDMI

To configure the audio output to the 3.5mm jack, create or modify the configuration file /etc/asound.conf and modify it to the following:

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

To configure to output audio to HDMI, change the device 0 above to device 1.

7.13 Run the X11 application

FriendlyCore system built-in lightweight Xorg,although there is no window manager, you can still run a single X-Windows application,For example, the program to run is ~/YourX11App,use the following command:

. /usr/bin/setqt5env-xcb
startx ~/YourX11App -geometry 1280x800

Note that there is a space between "." and /usr/bin/setqt5env-xcb. In addition, the resolution after -geometry should be changed to the actual resolution of your screen.

7.14 Run Qt 5.10.0 Demo with GPU acceleration

Run the following command

$ sudo qt5demo

S5pxx18-QtE

7.15 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/

7.16 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

7.17 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.
Enter the following command to preview the video:

gst-launch-1.0 -e v4l2src device=/dev/video6 ! video/x-raw,format=I420,framerate=30/1,width=1280,height=720 ! nxvideosink

Enter the following command to start recording (VPU hardware encoding):

gst-launch-1.0 -e v4l2src device=/dev/video6 ! video/x-raw,format=I420,framerate=30/1,width=1280,height=720 ! tee name=t t. \
 ! queue ! nxvideosink t. ! queue ! nxvideoenc bitrate=12000000 ! mp4mux ! \
 filesink location=result_720.mp4

7.18 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.

7.19 Installing and Using OpenCV 4.1.2

OpenCV has been pre-installed in FriendlyCore (Version after 20191126) and does not require manual installation.
Please refre this link: https://github.com/friendlyarm/install-opencv-on-friendlycore/blob/s5pxx18/README.md
Quick test:

. /usr/bin/cv-env.sh
. /usr/bin/setqt5env-eglfs
cd /usr/local/share/opencv4/samples/python
python3 turing.py

7.20 Installing and Using Caffe

git clone https://github.com/friendlyarm/install-caffe-on-friendlycore
cd install-caffe-on-friendlycore
sudo ./install-caffe.sh

7.21 How to install and use docker (for armhf system)

7.21.1 How to Install Docker

Run the following commands:

sudo apt-get update
sudo apt-get install docker.io

7.21.2 Test Docker installation

Test that your installation works by running the simple docker image:

git clone https://github.com/friendlyarm/debian-jessie-arm-docker
cd debian-jessie-arm-docker
./rebuild-image.sh
./run.sh

8 Work with Android

8.1 Work with 4G Module EC20 under Android5

8.1.1 Hardware Setup

Connect an EC20 module to a USB to miniPCIe board and connect the board to an ARM board's USB Host. Here is a hardware setup:
T2-4G-EC20.jpg
Power on the board and you will be able to surf the internet with the 4G module like using an Android phone.


Replace the logo.bmp:

/opt/FriendlyARM/smart4418/android/device/friendly-arm/nanopi3/boot/logo.bmp
/opt/FriendlyARM/smart4418/android/device/friendly-arm/nanopi2/boot/logo.bmp

Replace the bootanimation.zip:

/opt/FriendlyARM/smart4418/android/device/friendly-arm/nanopi3/bootanimation.zip
/opt/FriendlyARM/smart4418/android/device/friendly-arm/nanopi2/bootanimation.zip

Re-compile android.

8.3 Use fastboot command to flash android firmware

Enter the uboot command line mode on the serial terminal when powering on, and then enter the following command:

fastboot 0

For S5P4418:

fastboot flash partmap partmap.txt
fastboot flash 2ndboot bl1-mmcboot.bin
fastboot flash fip-loader loader-mmc.img
fastboot flash fip-secure bl_mon.img
fastboot flash fip-nonsecure bootloader.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash cache cache.img
fastboot flash userdata userdata.img

For S5P6818:

fastboot flash partmap partmap.txt
fastboot flash 2ndboot bl1-mmcboot.bin
fastboot flash fip-loader fip-loader.img 
fastboot flash fip-secure fip-secure.img 
fastboot flash fip-nonsecure fip-nonsecure.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash cache cache.img
fastboot flash userdata userdata.img

9 Make Your Own OS Image

9.1 Install Cross Compiler

9.1.1 Install arm-linux-gcc 4.9.3

Download the compiler package:

git clone https://github.com/friendlyarm/prebuilts.git -b master --depth 1
cd prebuilts/gcc-x64
cat toolchain-4.9.3-armhf.tar.gz* | sudo tar xz -C /

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)

9.2 Compile Linux kernel for FriendlyCore/Lubuntu/EFlasher

9.2.1 Compile Kernel

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

The NanoPC-T2's kernel source code is in the "nanopi2-v4.4.y" branch.You need to switch to this branch.

  • Compile Ubuntu Kernel
touch .scmversion
make ARCH=arm nanopi2_linux_defconfig
make ARCH=arm

After your compilation succeeds an "arch/arm/boot/zImage" will be generated and a DTB file(s5p4418-nanopi2-rev*.dtb) will be generated in the "arch/arm/boot/dts/" directory. You can use them to replace the existing zImage and DTB files in the boot partition of your bootable SD card.

9.2.2 Use Your Generated Kernel

  • Update kernel in SD card

If you use an SD card to boot Ubuntu you can copy your generated zImage 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 zImage 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

Refer to this repo: https://github.com/friendlyarm/sd-fuse_s5p4418

9.3 Compile Linux kernel for Android7

The Android 7.1.2 source code already contains the pre-compiled kernel. If you need to customize it, you can compile the kernel according to the following guide.

git clone https://github.com/friendlyarm/linux.git -b nanopi2-v4.4.y --depth 1
cd linux
touch .scmversion
make ARCH=arm nanopi2_nougat_defconfig
make ARCH=arm

The newly generated kernel is arch/arm/boot/zImage,The new DTB file is also included under the directory arch/arm/boot/dts/.(s5p4418-nanopi2-rev*.dtb).
If you only want to debug the kernel, you can quickly update it with adb:

adb root; adb shell mkdir /storage/sdcard1/; adb shell mount -t ext4 /dev/block/mmcblk0p1 /storage/sdcard1/;
adb push arch/arm/boot/zImage arch/arm/boot/dts/s5p4418-nanopi2-rev*.dtb /storage/sdcard1/

If you want to generate boot.img for burning, you can copy the kernel zImage and DTB files to the Android7 source code directory: device/friendlyelec/nanopi2/boot, then recompile Android7.

9.4 Compile U-Boot for Android7/FriendlyCore/Lubuntu/EFlasher

Download the U-Boot 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 s5p4418_nanopi2_defconfig
make CROSS_COMPILE=arm-linux-

After your compilation succeeds a bootloader.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_s5p4418 or eflasher ROM.
For Android7: Copy bootloader.img to Android7 source directory device/friendlyelec/nanopi2/boot, then recompile Android7.
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

9.5 Compile Android 7.1.2

9.5.1 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 curl libncurses5-dev libssl-dev zlib1g-dev gawk minicom
sudo apt-get install openjdk-8-jdk
sudo apt-get install exfat-fuse exfat-utils device-tree-compiler liblz4-tool

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

9.5.2 Download Android7 Source Code

There are two ways to download the source code:

  • repo archive file on netdisk

Netdisk URL: Click here
File location on netdisk:sources/s5pxx18-android-7.git-YYYYMMDD.tar (YYYYMMDD means the date of packaging)
After extracting the repo package from the network disk, you need to execute the sync.sh script, which will pull the latest code from gitlab:

tar xvf /path/to/netdisk/sources/s5pxx18-android-7.git-YYYYMMDD.tar
cd s5pxx18-android-7
./sync.sh
  • git clone from gitlab

NanoPC-T2 source code is maintained in gitlab, You can download it by running the following command:

git clone https://gitlab.com/friendlyelec/s5pxx18-android-7.git -b master

9.5.3 Compile Android7

cd s5pxx18-android-7
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
bl1-mmcboot.bin raw boot firmware
loader-mmc.img raw boot firmware
bl_mon.img raw boot firmware
bootloader.img raw uboot-v2016.01
env.conf - Uboot environment variable containing Android kernel command line parameters
boot.img boot kernel zImage, DTBs; logo; Android ramdisk
cache.img cache -
userdata.img userdata -
system.img system -
partmap.txt - Partition description file

10 Connect NanoPC-T2 to External Modules

10.1 Connect NanoPC-T2 to USB Camera(FA-CAM202)

  • In this use case the NanoPC-T2 runs Debian. If you connect your NanoPC-T2 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

10.2 Connect NanoPC-T2 to CMOS 5M-Pixel Camera

For more details about the CAM500A camera refer to [1]

  • If your NanoPC-T2 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 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
  • Under FriendlyCore (kernel 4.4), You can try it by following the commands below:

Enter the following command to preview the video:

gst-launch-1.0 -e v4l2src device=/dev/video6 ! video/x-raw,format=I420,framerate=30/1,width=1280,height=720 ! nxvideosink

Enter the following command to start recording (VPU hardware encoding):

gst-launch-1.0 -e v4l2src device=/dev/video6 ! video/x-raw,format=I420,framerate=30/1,width=1280,height=720 ! tee name=t t. \
 ! queue ! nxvideosink t. ! queue ! nxvideoenc bitrate=12000000 ! mp4mux ! \
 filesink location=result_720.mp4

10.3 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 NanoPC-T2 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 NanoPC-T2:

  • Firstly you need to make sure your NanoPC-T2 is connected to the internet.Login to your NanoPC-T2 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 NanoPC-T2. You can test your camera with NanoPC-T2'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 NanoPC-T2 to USB Keyboard & Run the Following Command:

./demo

opencv is successfully started

10.4 Connect NanoPC-T2 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 NanoPC-T2 is connected to the Matrix GPS module, after the NanoPC-T2 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 NanoPC-T2 to the Matrix-GPS:
GPS_NanoPC-T2

Connection Details:

Matrix-GPS NanoPC-T2
RXD Pin11
TXD Pin12
5V Pin29
GND Pin30

11 Access Hardware under Android

FriendlyElec developed a library called “libfriendlyarm-things.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:

12 Connect NanoPC-T2 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

13 Schematics & Mechanical drawing

14 Resources

15 Source Code and Image Files Download Links

  • Image File: [3]
  • Source Code: [4]

16 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.

17 Update Log

17.1 2019-11-26

  • FriendlyCore:

Pre-installed OpenCV 4.1.2

17.2 2019-11-14

  • Introducing a new system FriendlyWrt:

FriendlyWrt is a customized OpenWrt system developed by FriendlyElec. It is open source and suitable for applications in IoT, NAS and smart home gateways and etc.
Please refre: http://wiki.friendlyarm.com/wiki/index.php/How_to_Build_FriendlyWrt

  • FriendlyCore, Lubuntu updated as follows:

1) Added support for new 4.3-inch screen YZ43
2) Compile bcmdhd as a module.

  • Android7 update is as follows:

1) Added support for new 4.3-inch screen YZ43
2) Optimize the touch experience when using HD900 screen under Android 7 system
3) Optimize the touch experience when using S702 screen under Android 7 system

17.3 2019-10-18

  • Android7, FriendlyCore, Lubuntu:

Fixed audio playback issue.

17.4 2019-09-30

  • Android7 updated as follows:

1)Added support for Android hardware access library (named FriendlyThing), support access to hardware resources such as GPIO, PWM, RTC, serial port and watchdog, providing open source demo
2) Added support for camera CAM500B (OV5640)
3) Added support for LCD W500 (800x480)
4) Fixed LCD-S430 compatibility issues

  • FriendlyCore, FriendlyDesktop updated as follows:

1) Kernel version updated to v4.4.172, same as Android 7
2) Added Docker support, support 32bit and 64bit file systems
3) Kernel configuration items are optimized to enable more features and device drivers

17.5 2019-07-18

  • Introducing a new system Android 7.1.2

1) Features similar to the old version of Android 5, support 4G, WiFi, Ethernet, Bluetooth, etc.
2) Kernel version: 4.4.172
3) Known issue: The camera is not working yet

  • Android/FriendlyCore/Lubuntu updated as follows:

1) Fix an issue where HD101B can't be touched in some cases
2) Fix GPIO configuration of Power key
3) Solve the problem of too small volume: the volume of the DAC is changed from -20dB to -6dB during playback.
4) Add more models of USB Wi-Fi support, built-in driver rtl8821CU.ko, rtl88XXau.ko

  • Updates for Lubuntu only:

1) Modify Lubuntu's Power key behavior to (without pop-ups) shut down directly
2) Add script xrotate.sh to simplify screen rotation settings (Note: screen rotation will lose performance)

  • The following updates are only available for NanoPC T2, Smart4418:

Support for reading Ethernet Mac addresses from the onboard EEPROM, only supports the following systems: FriendlyCore, Lubuntu, Android7

17.6 2019-06-25

Linux(Ubuntu 16.04/18.04) uses OverlayFS to enhance filesystem stability.

17.7 2019-06-03

1) Configure LED1 to be in heartbeat mode
2) Fix HDMI 1080P may have no display problem in some cases
3) Fix the issue that mysql cannot be installed under Linux
4) Fix the issue that the 1-wire touch resistance screen cannot be used under lubuntu

17.8 2019-01-24

1) Update uboot-v2014.07, uboot-v2016.01 for HD702V LCD
2) Adjust Qt5 font path

17.9 2018-12-17

  • Android5 updated as follows:

1) Add support for 4G network, support module: Quectel EC20
2) Add audio setting UI, you can set the default output to headphones or HDMI
3) Synchronously turn off the backlight of the one-line touch screen when the system Shutdown

  • FriendlyCore updated as follows:

1) Add OV5640 camera support
2) Update BL1 to improve system startup stability

  • Lubuntu updated as follows:

1) Add Chrome-browser browser, support web page 1080P hardware decoding, support WebGL
2) Set the audio output channel to HDMI by default (can be changed via /etc/asound.conf)
3) Update BL1 to improve system startup stability
4) Fixed some issues regarding the package error in the previous version
5) Adjust DPMS settings, turn off automatic sleep by default

17.10 March-04-2016

  • Released English version

17.11 March-09-2016

  • Corrected a typo

17.12 March-23-2016

  • Added section 11

17.13 March-27-2016

  • Corrected expression errors

17.14 April-08-2016

  • Added section 6.4.2 and 7.4
  • Updated section 6.5

17.15 June-30-2016

  • Added section 9 and 10

17.16 Sep-04-2016

  • Updated section 5.2.2 and 10.1.1

17.17 Sep-27-2016

  • Updated section 5.2.2, 7.5 and 8.2

17.18 Nov-2-2016

  • Updated section 6.2, 6.3, 6.4 and 12

17.19 Nov-17-2016

  • Added section 10.6

17.20 Dec-7-2016

  • Added section 6.6
  • Updated section 7.5

17.21 June-13-2016

  • Added section 7: added UbuntuCore
  • Added section 11.3: added DietPi

17.22 June-20-2016

  • Updated sections 6.2 & 6.3: Wireless connection and WiFi AP setting
  • Added section 3: software features