Difference between revisions of "Getting Started with M4"

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Revision as of 05:04, 16 August 2019



Overview:Realtek RTD1395
 Banana Pi BPI-M4 use Realtek RTD1395 chp design ,it is a 64-bit quad-core A53 mini single board computer. It features 1 GB of RAM and 8 GB eMMC. It also has onboard WiFi for b/g/n/ac and BT 4.2. On the ports side, the BPI-M4 has 4 USB 2.0 ports, 1 USB TYPE C port, 1 HDMI port, 1 audio jack. support M.2 Key E PCIE 2.0 interface. 

Key Features

  • Realtek RTD1395 ARM Cortex-A53 Quad-Core 64 Bit
  • Mali 470 MP4 GPU OpenGL ES 1.1/2.0 H.264 H.265,2K4K
  • Onboard1 GB DDR4 (option 2 GB)
  • 8G eMMC flash (max 64 GB)
  • 10/100 Mbit/s Ethernet and RTL8821 module support Wi-Fi 802.11 b/g/n/AC + Bluetooth 4.2
  • USB 2.0 TYPE C
  • M.2 Key E slot PCIE 2.0 and USB 2.0
  • PoE function support

Development For Android

Basic Development

Install Android

1.Install bootcode (in bpi-m4_bootcode&bootloader_20190625.zip)

1.1 Connect BPI-M4 and PC with debug console, Switch BPI-M4 SW2 to 1, open "hypertrm.exe" on PC.

M4 install pic1.jpg

1.2 Set Baud rate: 115200, data bit: 8 bit, stop bit: 1 bit, Parity: NONE, Flow control: NONE

M4 install pic2.jpg

1.3 Press "Ctrl+q" on PC, then power on BPI-M4, hypertrm will print "/d/g/r"

M4 install pic3.jpg

1.4 Press “h” button on PC,choose Transfer->Send File in the menu, then choose file ” bootcode/android_2133/hwsetting.bin”(or RTD1395_hwsetting_BOOT_2DDR4_ 8Gb_s2133.bin) , protocol choose “Ymodem-G”.

M4 install pic4.jpg

M4 install pic5.jpg

1.5 After send file, if transfer successfully, you will see the following picture:

M4 install pic6.jpg

1.6 Press “d” button on PC,choose Transfer->Send File in the menu, then choose file ” bootcode/android_2133/recovery.bin(or Recovery-bananapi-0001-RTD1395 _hwsetting_BOOT_2DDR4_8Gb_s2133.bin) , choose “Ymodem-G”.

M4 install pic7.jpg

1.7 After transfer these two files, press “g” to execute it.

M4 install pic8.jpg

2.Install bootloader (in bpi-m4_bootcode&bootloader_20190625.zip)

2.1 Press “Esc” button on PC, power on BPI-M4 to enter boot command line.

M4 install pic9.jpg

2.2 Input “Realtek> usb start” to recognise udisk

2.3 Input “Realtek> fatload usb 0:1 0x01500000 bootloader.bin ” to load bootloader from udisk

2.4 Input “Realtek> chain 0x01500000 ” to install bootloader

M4 install pic10.jpg

3.Install Android Image (In bpi-m4_Android_8_1_system.zip)

3.1 Unzip bpi-m4_Android_8_1_system.zip, then copy these files in to udisk, then plug udisk on Bpi-M4

M4 install pic11.jpg

3.2 Reset Bpi-M4,enter to boot command line

3.3 Input “Realtek> usb start” to recognise udisk

3.4 Input “Realtek> fatload usb 0:1 0x02100000 rescue.emmc.dtb ” to load rescue.emmc.dtb from udisk

3.4 Input “Realtek> fatload usb 0:1 0x03000000 emmc.uImage ” to load emmc.uImage from udisk

3.5 Input “Realtek> fatload usb 0:1 0x02200000 rescue.root.emmc.cpio.gz_pad.img” to load rescue.root.emmc.cpio.gz_pad.img from udisk

3.6 Input “Realtek>fatload usb 0:1 0x0f900000 bluecore.audio.enc.A01” to load bluecore.audio.enc.A01 from udisk

3.7 Input “Realtek> boot k”, you will wait for around 5-10 mins, please do not operate during the debug console print log, it will reboot after this.

M4 install pic12.jpg

Development For Linux

Basic Development

Advanced Development

Installed Docker

To have a test, if docker has installed in your image.

  • sudo docker run --rm hello-world


Use iperf3 to test gmac

1. On PC Terminal:

  • Execute "iperf3 -s"

2. On M3 console:

  • TCP test: "iperf3 -c serverIP"
  • UDP test: "iperf3 -u -c serverIP"

M4 Emac test.jpg


You have two ways to setup BT

1. Use commands to setup BT

  • Use bluetoothctl tool to operate BT
  • Execute "bluetoothctl"
  • If you don't know how to use bluetoothctl, type "help", you will see more commands
  • Execute these commands:

M4 bluetooth.jpg

2. Use UI interface to setup BT

WiFi on M4

WiFi Client

You have two ways to setup WiFi Client

1. Use commands to setup WiFi client

  • ip link set wlan0 up
  • iw dev wlan0 scan | grep SSID
  • vim /etc/wpa_supplicant/wpa_supplicant.conf
  • wpa_supplicant -iwlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
  • dhclient wlan0

2. Use UI interface to setup WiFi Client

M4 WiFi iperf3.jpg