OpenX32: Open Linux kernel for Behringer X32 mixer
The OpenX32 project is an open-source initiative to run a custom Linux-based firmware on the Behringer X32 digital audio mixer, leveraging its ARM926EJ-S core and i.MX253 microcontroller. The system currently runs Linux Kernel 6.18 LTS and includes userland tools, with core functionalities like audio routing, control surface integration, and network support operational. Development is ongoing, with plans to enhance audio subsystems, GPIO support, and boot processes using barebox.
- ▪OpenX32 runs Linux Kernel 6.18 LTS on the Behringer X32's i.MX253 ARM926EJ-S microcontroller.
- ▪Core features include support for audio routing, FPGA and DSP control, USB, Ethernet, and display output.
- ▪The project currently supports MIDI, UltraNet, AES50, and internal SD card configuration, with LVGL enabling a responsive GUI at 30 fps.
- ▪Development goals include ALSA soundcard integration, libgpiod GPIO support, and transitioning from U-Boot to barebox for booting.
- ▪Users can run OpenX32 without compilation by copying release files to a USB drive and accessing the system via SSH with default credentials.
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This repository contains software to load and start the Linux-Kernel on the Behringer X32, some userland tools and x32ctrl - the main logic of our custom firmware. This audio-mixing-console uses a Freescale/NXP i.MX253 Microcontroller with an ARM926EJ-S core that supports booting Linux. Currently the Linux Kernel is running in Version 6.18 (LTS) with busybox: x32ctrl is the new GUI and program that controls the individual boards and devices: Since the beginning in May 2025 the UI has improved a bit and some of the original X32-functions are already implemented in OpenX32: You can find more information in the two related Youtube-Videos: A Youtube Short of the complete OpenX32 Alpha running on a X32 Rack: What is working at the moment and what is planned so far Next to the underlaying Linux…
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