Loxone Trigger card Always on

[ttjrm1]

Loxone Original Music Server
Loxone Original Trigger Card
Original Motherboard B250M-Gaming3
MS4H 1.5.5.17

The problem I am experiencing is that the card is activated on boot and does not respond to the music server trigger responses. It has been configured in the webgui and the reboot was completed. It would appear that the required /sys/class/hwmon/hwmon1/pwm2_enable does not exist in the filesystem. Does Dietpi support hwmon pwm control?

Would a possibility be to use minimal Debian 11 install instead of DietPi?

Let me know if you require anything else.

Many thanks in advance for your assistance.

[ttjrm1]

I believe I have answered my own issue above. The Gigabyte B250M-Gaming3 motherboard that the later original Loxone Music Server seem to ship with have a Super I/O chip (ITE IT8686E) that requires a specific drive to be loaded.

A patched it87 driver created by fankcrawford can be found on GitHub here: 'https://github.com/frankcrawford/it87.git'. The user will then have to install the linux-headers-......... package for the DietPi kernel version installed. I also chose to install dkms and so the driver will hopefully be dynamically compiled when the kernel is updated. To ensure the module is loaded on boot it87 has to be added to the end of /etc/modules-load.d/modules.conf.

With the patched it87 module loaded the necessary /sys/class/hwmon/hwmon1 directory is now created along with the necessary pwm2_enable, which is stated in the setup_trigger_card.sh script that is installed under /opt/music_server/tools

Once the module is loaded and the Loxone Trigger card has be activated/installed through the web interface along with the necessary reboot, the trigger output is now working as required and the amplifier will switch on/off as required.

I hope this will help anybody that is trying to move there old Loxone Music Server hardware over to MS4H.