Lighthouse-tx-htc-2-0-calibration-rescue-244.bin

You will use a command‑line tool like dfu-util or the more common STM32CubeProgrammer (CLI version). For simplicity, use dfu-util:

dfu-util -a 0 -s 0x08000000:leave -D lighthouse-tx-htc-2-0-calibration-rescue-244.bin

If using STM32_FlashLoader.exe (older tool):

STM32_FlashLoader.exe -c --pn 1 --br 115200 -ow --fn lighthouse-tx-htc-2-0-calibration-rescue-244.bin -v --ep

Expected output:

Device / file: lighthouse-tx-htc-2-0-calibration-rescue-244.bin
Purpose: Recover and restore correct calibration data and firmware on Lighthouse TX (HTC 2.0) after corrupted or missing calibration partition; produce a validated, repeatable rescue procedure. lighthouse-tx-htc-2-0-calibration-rescue-244.bin

Elias knew he couldn't rewrite the tracker firmware; that was proprietary HTC code. He had to fix it from the other end. He had to manipulate the base station signal.

He sat down and began writing a patch. It wasn't a standard update. It was a "rescue" patch—a piece of code designed to force the base station into a specific, legacy-compatible timing mode that the 2.0 trackers would recognize.

He named the file with surgical precision: You will use a command‑line tool like dfu-util

Analysis of lighthouse-tx-htc-2-0-calibration-rescue-244.bin (by community members on GitHub) reveals:

Hash (SHA‑256) for verification (if shared by a reputable forum):

4a3f2b1c8e7d6a5b4c3d2e1f0a9b8c7d6e5f4a3b2c1d0e9f8a7b6c5d4e3f2a1b

Always check the hash before flashing to avoid malware. If using STM32_FlashLoader

The filename breaks down into meaningful parts:

Unlike typical SteamVR base station firmware (.bin files updated via Bluetooth or USB), this file is not meant for normal updating. It bypasses version checks and directly writes to the station’s STM32 microcontroller and the laser motor controller.

The rescue file restores only basic firmware and a generic calibration. You need to run SteamVR’s built‑in calibration routine:

Verification: In steamvr.vrsettings, check for entries like:

"basestation" : 
   "firmware_version" : "436",
   "calibration_checksum" : "0x1F7A"

The checksum should no longer be all zeros.