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Pirate

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Posts posted by Pirate

  2. Posted

    Hi all,
    I have modified the Github Python Project "rpi-backlight" to work with the Asus Tinkerboard
     
    A Python module for controlling power and brightness of the official Raspberry Pi 7" touch display.
     
    example.gif
    Features
    Change the display brightness smoothly or abrupt
    Set the display power on or off
    Toggle the display power on and off
    Get the current brightness
    Get the maximum brightness
    Get the display power state (on/off)
    Command line interface
    Graphical user interface
     
    Requirements
     
    A TinkerBoard including a correctly assembled 7" touch display v1.1 or higher (look on the display's circuit board to see its version) running a Linux-based OS
    Python 3.5+
    Optional: TinkerBoard: gir1.2-gtk-3.0 for the GUI install
     
    Installation
    Clone this repository and install by:
      
    $ sudo apt-get install gir1.2-gtk-3.0
$ git clone http://github.com/p1r473/rpi-backlight.git
$ cd rpi-backlight
$ sudo python3 setup.py install

    Usage
     

    API

    Example in a Python shell:
      
    >>> from rpi_backlight import Backlight
>>>
>>> backlight = Backlight()
>>> backlight.brightness
100
>>> backlight.brightness = 50
>>> backlight.brightness
50
>>>
>>> with backlight.fade(duration=1):
...     backlight.brightness = 0
...
>>> backlight.fade_duration = 0.5
>>> # subsequent `backlight.brightness = x` will fade 500ms
>>>
>>> backlight.power
True
>>> backlight.power = False
>>> backlight.power
False
>>>

    NOTE: Code using set_ functions of this library has to be run as root, e.g. sudo python file.py , if the permissions for changing the backlight were not changed as described in the installation section!

    CLI
    Open a terminal and run rpi-backlight as root:
     
    $ rpi-backlight -b 100
    $ rpi-backlight --set-brightness 20 --duration 1.5
    $ rpi-backlight --get-brightness
    20
    $ rpi-backlight --get-power
    on
    $ rpi-backlight -p off
    $ rpi-backlight --get-power
    off
    $ rpi-backlight --set-power off :emulator:
    $ rpi-backlight -p toggle
    $ rpi-backlight -p toggle -d 1
     
    GUI
     
    Open a terminal and run rpi-backlight-gui as root.
    gui.png
     
    Adding a shortcut to the LXDE panel
    panel_result.png
    See docs.
     
    Find it at:

  3. Posted

    Hi all,
    I have modified the Github Python Project "rpi-backlight" to work with the Asus Tinkerboard
     
    A Python module for controlling power and brightness of the official Raspberry Pi 7" touch display.
     
    example.gif
    Features
    Change the display brightness smoothly or abrupt
    Set the display power on or off
    Toggle the display power on and off
    Get the current brightness
    Get the maximum brightness
    Get the display power state (on/off)
    Command line interface
    Graphical user interface
     
    Requirements
     
    A TinkerBoard including a correctly assembled 7" touch display v1.1 or higher (look on the display's circuit board to see its version) running a Linux-based OS
    Python 3.5+
    Optional: TinkerBoard: gir1.2-gtk-3.0 for the GUI install
     
    Installation
    Clone this repository and install by:
      
    $ sudo apt-get install gir1.2-gtk-3.0
$ git clone http://github.com/p1r473/rpi-backlight.git
$ cd rpi-backlight
$ sudo python3 setup.py install

    Usage
     

    API

    Example in a Python shell:
      
    >>> from rpi_backlight import Backlight
>>>
>>> backlight = Backlight()
>>> backlight.brightness
100
>>> backlight.brightness = 50
>>> backlight.brightness
50
>>>
>>> with backlight.fade(duration=1):
...     backlight.brightness = 0
...
>>> backlight.fade_duration = 0.5
>>> # subsequent `backlight.brightness = x` will fade 500ms
>>>
>>> backlight.power
True
>>> backlight.power = False
>>> backlight.power
False
>>>

    NOTE: Code using set_ functions of this library has to be run as root, e.g. sudo python file.py , if the permissions for changing the backlight were not changed as described in the installation section!

    CLI
    Open a terminal and run rpi-backlight as root:
     
    $ rpi-backlight -b 100
    $ rpi-backlight --set-brightness 20 --duration 1.5
    $ rpi-backlight --get-brightness
    20
    $ rpi-backlight --get-power
    on
    $ rpi-backlight -p off
    $ rpi-backlight --get-power
    off
    $ rpi-backlight --set-power off :emulator:
    $ rpi-backlight -p toggle
    $ rpi-backlight -p toggle -d 1
     
    GUI
     
    Open a terminal and run rpi-backlight-gui as root.
    gui.png
     
    Adding a shortcut to the LXDE panel
    panel_result.png
    See docs.
     
    Find it at:

  9. Posted

    @Frank3_Wu thanks, I was able to install the kernel header successfully 

    wget https://github.com/TinkerBoard2/kernel/releases/download/tinker_board_2-debian_10-2.0.0/linux-headers-4.4.194_4.4.194-1_arm64.deb
dpkg -i linux-headers-4.4.194_4.4.194-1_arm64.deb

    However, it seems /boot/ doesnt have enough disk space 

    root@Harbormaster:~# apt-get install wireguard
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  linux-image-5.10.0-6-cloud-arm64 linux-image-cloud-arm64
Suggested packages:
  linux-doc-5.10 debian-kernel-handbook
Recommended packages:
  firmware-linux-free apparmor
The following NEW packages will be installed:
  linux-image-5.10.0-6-cloud-arm64 linux-image-cloud-arm64 wireguard
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/16.3 MB of archives.
After this operation, 81.1 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 100742 files and directories currently installed.)
Preparing to unpack .../linux-image-5.10.0-6-cloud-arm64_5.10.28-1_arm64.deb ...
Unpacking linux-image-5.10.0-6-cloud-arm64 (5.10.28-1) ...
dpkg: error processing archive /var/cache/apt/archives/linux-image-5.10.0-6-cloud-arm64_5.10.28-1_arm64.deb (--unpack):
 cannot copy extracted data for './boot/vmlinuz-5.10.0-6-cloud-arm64' to '/boot/vmlinuz-5.10.0-6-cloud-arm64.dpkg-new': failed to write (No space left on device)
dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
W: Last kernel image has been removed, so removing the default symlinks
Selecting previously unselected package linux-image-cloud-arm64.
Preparing to unpack .../linux-image-cloud-arm64_5.10.28-1_arm64.deb ...
Unpacking linux-image-cloud-arm64 (5.10.28-1) ...
Selecting previously unselected package wireguard.
Preparing to unpack .../wireguard_1.0.20210223-1_all.deb ...
Unpacking wireguard (1.0.20210223-1) ...
Errors were encountered while processing:
 /var/cache/apt/archives/linux-image-5.10.0-6-cloud-arm64_5.10.28-1_arm64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

     

    I checked how much space I have left and its enough

    Quote 
    
root@Harbormaster:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root        15G  8.1G  5.5G  60% /
devtmpfs        972M  8.0K  972M   1% /dev
tmpfs           980M   13M  968M   2% /dev/shm
tmpfs           980M   25M  956M   3% /run
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           980M     0  980M   0% /sys/fs/cgroup
log2ram         250M   21M  230M   9% /var/log
/dev/mmcblk1p7  4.9M  192K  4.5M   5% /boot
tmpfs           196M     0  196M   0% /run/user/998
tmpfs           196M     0  196M   0% /run/user/0
tmpfs           196M  8.0K  196M   1% /run/user/1000

     

     

  10. Posted · Edited by Pirate

    Can't install openvpn either. Looks like more missing modules. 

    root@Harbormaster:~# modprobe tun
modprobe: FATAL: Module tun not found in directory /lib/modules/4.4.194
    May  6 22:27:00 Harbormaster systemd[1]: Couldn't stat device /dev/net/tun: No such file or directory
May  6 22:27:00 Harbormaster systemd[1]: openvpn@server.service: Failed with result 'exit-code'.

     

  11. Posted · Edited by Pirate

    Hi all,

    Unable to install WireGuard on TinkerBoard 2 running 2.0.0

    I've installed `linux-headers-arm64` but, wireguard doesn't seem to have the required headers in the kernel

      

    root@Harbormaster:~# modprobe wireguard
modprobe: FATAL: Module wireguard not found in directory /lib/modules/4.4.194

     

      

    root@Harbormaster:~# sudo wg-quick up wg0
[#] ip link add wg0 type wireguard
RTNETLINK answers: Operation not supported
Unable to access interface: Protocol not supported
[#] ip link delete dev wg0
Cannot find device "wg0"
root@Harbormaster:~# sudo wg show wg0
Unable to access interface: Protocol not supported

     

     

    According to https://github.com/adrianmihalko/raspberrypiwireguard/issues/11 Wireguard not starting because of wrong kernel-headers

  13. Posted · Edited by Pirate

    Hello,

    I am upgrading my 4 digit LED clock to a 8 digit MAX7219

    On the 4 segment, was very simple to set up.

    SCL -> I2C7_SCL

    SDA-> I2C7_SDA

     

    However, my new board has:

    CLK DIN CS (It also has DOUT LODA but maybe dont need to use these)

    However I can not find these pins in the manual.

    For CLK, I have found CLKOUT, I2S0_SCLK, SPI1_CLK, SPI5_CLK but not sure

    I found SPI1_CSN0 which maybe is for CS?

    Can anyone please tell me which pins required for use with Tinkerboard?

     

    According to some tutorials,

    Board Pin Name Remarks RPi Pin RPi Function
    1 VCC +5V Power 2 5V0
    2 GND Ground 6 GND
    3 DIN Data In 19 GPIO 10 (MOSI)
    4 CS Chip Select 24 GPIO 8 (SPI CE0)
    5 CLK Clock 23 GPIO 11 (SPI CLK)
    VCC 5V
    GND GND
    DIN MOSI
    CS CE0
    CLK SCK

     

     

  14. Posted

    More progress: 

    update-alternatives --set ip6tables /usr/sbin/ip6tables-nft

    Now, errors: 

    root@linaro-alip:~# ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
ERROR: problem running ufw-init
modprobe: FATAL: Module nf_conntrack_netbios_ns not found in directory /lib/modules/4.4.194
iptables-restore v1.8.2 (legacy): Couldn't load match `limit':No such file or directory

Error occurred at line: 63
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
iptables-restore v1.8.2 (legacy): unknown option "--log-prefix"
Error occurred at line: 24
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
ip6tables-restore v1.8.2 (nf_tables):
line 22: RULE_APPEND failed (No such file or directory): rule in chain INPUT

     

  15. Posted · Edited by Pirate

    I've made some progress:

    I purge ufw and iptables, then install iptables first then change to iptables-legacy.
    after that install ufw.
    ufw seems to works only on iptables-legacy.

      

    apt purge ufw iptables
apt install iptables
update-alternatives --set iptables /usr/sbin/iptables-legacy
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
apt install ufw

    now: 

    root@linaro-alip:~# ufw allow ssh
ERROR: initcaps
[Errno 2] modprobe: FATAL: Module ip6_tables not found in directory /lib/modules/4.4.194
ip6tables v1.8.2 (legacy): can't initialize ip6tables table `filter': Table does not exist (do you need to insmod?)
Perhaps ip6tables or your kernel needs to be upgraded.

    Maybe ip6tables are missing in kernel? 

    root@linaro-alip:~# sudo modprobe ip6_tables
modprobe: FATAL: Module ip6_tables not found in directory /lib/modules/4.4.194
root@linaro-alip:~# ^C
root@linaro-alip:~# sudo modprobe ip6tables
modprobe: FATAL: Module ip6tables not found in directory /lib/modules/4.4.194

     

    • Like 1

  17. Posted · Edited by Pirate

    I am also having same issue trying to install UFW 

    linaro@linaro-alip:/lib/modules/4.4.194$ sudo ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
ERROR: problem running ufw-init
modprobe: FATAL: Module nf_conntrack_netbios_ns not found in directory /lib/modules/4.4.194

    I made sure module is enabled:

    /etc/default/ufw 

    IPT_MODULES="nf_conntrack_ftp nf_nat_ftp nf_conntrack_netbios_ns"

     

  20. Posted 

    root@linaro-alip:/sys/devices/platform# dmesg | grep ili9
[    2.017431] tinker-mcu: tinker_mcu_ili9881c_probe: address = 0x36
[    2.023535] tinker-mcu: tinker_mcu_ili9881c_probe: i2c_id= 0x8
[    2.075209] tinker-mcu: tinker_mcu_ili9881c_probe: init_cmd_check[-6] failed, 0
root@linaro-alip:/sys/devices/platform# dmesg | grep 5406
[    6.117044] tinker-ft5406: tinker_ft5406_probe: address = 0x38
[    6.122899] tinker-ft5406: tinker_ft5406_probe: touch is on DSI-0
[    6.638485] tinker-ft5406: tinker_ft5406_probe: wait connected timeout

     

  21. Posted

    I have solved this one after hours of hacking away!

    It seems in TinkeBoard 2/2S, the I2C bus has been changed from 1, to 6

    So, in any I2C controlling code, make sure you change bus from 1 (Tinkerboard) to 6 (Tinkerboard 2) 

    root@linaro-alip:/home/linaro/Adafruit_LEDBackpack# sudo i2cdetect -y 6
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: 70 -- -- -- -- -- -- --

     

  24. Posted

    Hi,

    Ive upgraded from the Tinkerboard S to the Tinkerboard 2S

    My I2C 7 Segment 7 Digit Display doesnt work

    I plugged the wires in my 2S the same way as I did for the Tinkerboard S.

    However, I am unable to detect any I2C pluugged in.

    Ive enabled all the I2C options in tinker-config. 

    root@Harbormaster:/home/linaro/Adafruit_LEDBackpack# sudo i2cdetect -y 1
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

     

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