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x6100-armbian

tools and scripts to build armbian for the x6100

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

armbian on x6100

requirements

  • SD card update image
  • access to the x6100 (or a way to extract files form the update image)

Bootup OS selection

the Image build by this repo has multiple boot options, based on which button is pressed on startup of the Device. currently the buttons under the screen are used.

  • no Button: Boot internal storage (X6100 orginal OS)
  • 1 Button: stock Kernel + Armbian with X6100 APP on screen
  • 2 Button: stock Kernel + Armbian with xfce on screen + X6100 APP hidden but running for CAT and VNC on port 5901
  • 3 Button: Armbian Kernel + boot to console

Notes:

  • you can release the button as soon the button backlight LED come on.
  • Armbian Kernel currently has no support for the screen

Status

WiFi BT Local USB-C
CAT ✅ ❔ ✅ ✅
RF Audio RX ✅ ❔ ✅ ✅
RF Audio TX ❌ ❔ ❌ ✅
I/Q ⁉ ⁉ ⁉ ⁉

✅ = Tested and working

❔ = Needs testing and most likely little code changes

❌ = Not working at the moment but possible in theory

⁉ = unknown if possible needs research

Note: local means running on the SoC in Linux on the X6100

VNC

after armbian init setup, a VNC server will be running on port 5900 powered by lightdm.

Note: the bad build in WiFi Antenna can make a VNC connection Instable very fast.

noVNC

the VNC server can be accessed via a webbrowser:

http://<x6100 IP>:6080/vnc_auto.html

WiFi / Network config

on the command line use nmtui or use the Network Manager UI after login.

open network ports

Port Software
TCP 9090 RAW CAT
TCP 7000 RF RX (audio/x-raw,rate=16000,channels=2,format=S16LE)
TCP 6080 noVNC
TCP 6081 noVNC APP (Only running when Button 2 where pressed)
TCP 5900 VNC (xfce)
TCP 5901 VNC APP (Only running when Button 2 where pressed)
TCP 4532 rigctld
TCP 3389 xrdp (untested)
TCP 22 SSH

Audio via Network

with armbian booted the X6100 will open a TCP server on port 7000 to allow access to the RX audio stream.

getting RX audio steam (Linux)

this will create a X6100_RX.monitor pulse device and connect in to the X6100

export X6100_IP=<IP of the x6100>
pactl load-module module-null-sink sink_name=X6100_RX sink_properties=device.description=X6100_RX
gst-launch-1.0 tcpclientsrc port=7000 host=${X6100_IP} ! audio/x-raw,rate=16000,channels=2,format=S16LE ! pulsesink device=X6100_RX client-name=X6100

CAT via Network

the X6100 runs a rigctld on TCP port 4532.

for RAW Serial access via Network use TCP port 9990.

Virtual Serial port on Linux

export X6100_IP=<IP of the x6100>
sudo socat pty,link=/dev/ttyX6100Cat,raw,echo=0,user=${USER} tcp:${X6100_IP}:9990

wsjtx config

for network or local access via Hamlib use Hamlib NET rigctl with the IP of the X6100. 127.0.0.1 is fine for local use.

wsjtx rigctld config

Xorg

virtual FHD

for setting up the screen with a virtual FHD resolution

xrandr --output None-1 --mode 480x800 --panning 1920x1080

build steps

extract uboot:

dd if=X6100-sdcard-20220219.img of=uboot_sdcard.bin bs=1024 skip=8 count=512 seek=0

extract kernel and kernel modules

we need:

  • zImage
  • sun8i-r16-x6100.dtb
  • kernel modules found in /lib/modules/5.8.9

put the files to /userpatches/overlay/extracted

example:

└── userpatches
    └── overlay
...
        ├── extracted
        │   ├── modules
        │   │   └── 5.8.9
        │   │       ├── kernel
        ...........
        │   │       ├── modules.alias
        │   │       ├── modules.alias.bin
        │   │       ├── modules.builtin
        │   │       ├── modules.builtin.bin
        │   │       ├── modules.builtin.modinfo
        │   │       ├── modules.dep
        │   │       ├── modules.dep.bin
        │   │       ├── modules.devname
        │   │       ├── modules.order
        │   │       ├── modules.softdep
        │   │       ├── modules.symbols
        │   │       └── modules.symbols.bin
        │   ├── sun8i-r16-x6100.dtb
        │   └── zImage

build armbian:

git clone https://github.com/armbian/build --depth=1
cp -r userpatches/ build/

cd build
./compile.sh docker BOARD=lime-a33 BSPFREEZE=yes BRANCH=current RELEASE=sid BUILD_MINIMAL=no BUILD_DESKTOP=yes KERNEL_ONLY=no KERNEL_CONFIGURE=no DESKTOP_ENVIRONMENT=xfce DESKTOP_ENVIRONMENT_CONFIG_NAME=config_base DESKTOP_APPGROUPS_SELECTED="3dsupport browsers" COMPRESS_OUTPUTIMAGE=sha,gpg,img

install on sdcard

install armbian:

dd if=output/images/Armbian_22.05.0-trunk_Lime-a33_buster_current_5.15.32_xfce_desktop.img of=/dev/<SDCARD>

install uboot:

dd if=uboot_sdcard.bin of=/dev/<SDCARD> bs=1024 seek=8

booting armbian kernel

Note: currently the screen driver src is not public, resulting in no screen output. (kernel/drivers/gpu/drm/panel/panel-jlt4013a-pss.ko)

change: /userpatches/overlay/boot.cmd

from:

load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}/zImage_org

to:

load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}/zImage

if changed live on the x6100 rebuild:

mkimage -C none -A arm -T script -d boot.cmd boot.scr

starting radio UI

Using ssh or serial:

/etc/init.d/lightdm stop
/root/chroot_onboard.sh
/etc/init.d/S99userappstart start

working with the device tree

dtc -I dtb -O dts sun8i-r16-x6100.dtb > sun8i-r16-x6100.dts

dtc -I dts -O dtb sun8i-r16-x6100.dts > sun8i-r16-x6100.dtb

uboot

get all gpio

gpio status -a

get button state

this code checks the buttons below the screen. number 1 is the left most.

#set matrix row
gpio clear PG6

if gpio input PE16 ; then
echo 1
elif gpio input PE17 ; then
echo 2
elif gpio input PE11 ; then
echo 3
else
echo none
fi

#reset matrix
gpio input PG6