• Based on Advantech BSP for rk3399 series
  • Kernel
    • dmesg: disagrees about version of symbol module_layout requires extraction of Module.symvers:
      • [ 1.335079] kernel: 0x002000000 -- 0x003800000 (24 MB)
        rk3399_rigol:/ # dd if=/dev/block/mmcblk1p5 of=/data/local/tmp/kernel.img
        $ rkunsign kernel.img kernel-rkunsign.img
        
      • [ 0.000000] .text : 0xffffff8008080000 - 0xffffff8008d80000 ( 13312 KB)
        $ extract-symvers.py -B 0xffffff8008080000 -b 64 -k 4.4 kernel-rkunsign.img > Module.symvers
        
    • Build Kernel
      $ mkdir build
      $ cp -p Module.symvers build
      $ cp -p .config build
      $ export ARCH=arm64
      $ export CROSS_COMPILE=rk3399_android_n7/android/prebuilts/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-
      $ export KSRC=rk3399_android_n7/android/kernel
      $ export O=build
      $ make mrproper
      $ make silentoldconfig prepare headers_install scripts
      $ make M=EW-7… modules -j32
      $ modprobe --dump-modversions build/….ko | grep module_layout
      0x7b41a4c1
      
    • Wi-Fi
      
      • Edimax EW-7822ULC
        • USB IDs:
          0b05:184c
          0bda:b812
          0bda:b82c
          13b1:0043
          7392:b822
          7392:c822
          
        • EW-7822ULC_Linux_Driver_1.0.1.5/rtl88x2BU_WiFi_linux_v5.8.7.4_37264.20200922_COEX20191120-7777/Makefile
          
        • rk3399_rigol:/ # insmod 88x2bu.ko
          
      • Edimax EW-7611ULB
        • USB IDs:
          0bda:b720
          7392:a611
          
        • EW-7611ULB_Linux_Driver_1.0.1.2/Wi-FI/driver/Makefile
          
        • rk3399_rigol:/ # insmod 8723bu.ko
          
  • AOSP
    • Build Android
      
    • Workarounds for Ubuntu 20.04: crashing flex; stalling jack
    • rk3399_android_n7-90b1b7af.diff
      
    • rk3399_rigol:/ # echo libjni_terminal.so >> /etc/public.libraries.txt
    • rk3399_rigol:/ # am start -a android.intent.action.MAIN -n com.android.launcher3/.Launcher
    • Bluetooth w/BlueZ Edimax EW-7611ULB dual mode dongle
      
      • USB VIDs:
        0489
        0bda
        1358
        13d3
        7392
        
      • EW-7611ULB_Linux_Driver_1.0.1.2/Bluetooth/bluetooth_usb_driver/Makefile
      • rk3399_rigol:/ # cd /
        rk3399_rigol:/ # tar xfz ew7611ulb.tgz
        rk3399_rigol:/ # ew7611ulb.sh

        

	Name	Last modified	Size	Description
	Parent Directory		-
	bluetooth-orig.tgz	2024-01-15 02:26	2.3M
	Calendar.apk	2024-01-09 03:41	2.1M
	DeskClock.apk	2024-01-09 03:41	3.6M
	Email.apk	2024-01-09 03:41	6.1M
	EW-7611ULB_Linux_Driver_1.0.1.2/	2024-01-23 04:52	-
	EW-7822ULC.png	2024-01-13 03:41	52K
	EW-7822ULC_Linux_Driver_1.0.1.5/	2024-01-22 04:58	-
	ew7611ulb.png	2024-01-18 03:00	40K
	ew7611ulb.tgz	2024-01-17 03:13	2.2M
	ExactCalculator.apk	2024-01-09 03:41	386K
	HEADER.html	2024-03-25 01:50	4.9K	Rigol DHO
	Launcher3.apk	2024-01-09 03:32	1.2M
	Module.symvers	2024-01-08 06:23	519K
	Music.apk	2024-01-11 18:48	749K
	rk3399_android_n7-90b1b7af.diff	2024-01-23 05:12	12K
	system/	2024-01-12 03:29	-
	Terminal.apk	2024-01-11 19:45	515K

Apache/2.4.57 (Debian) SVN/1.14.2 OpenSSL/3.0.11 Server at sven.killig.de Port 80