DK1DA/FreeTRX
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FreeTRX/CHANGELOG.md
Marcus Kida dd1cc0ccdf Release 0.3.0: fix Screen Dim label voice-prompt crash 
The menu label 'Screen Dim' is a raw literal, and the shared menu code voices
labels through voicePromptsAppendLanguageString(), which derives the prompt
index from the pointer's offset within the language table and crashed on a
foreign pointer (v0.2.0 fixed only the value, not the label). That helper now
ignores pointers outside the language table.

Bump version to 0.3.0.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-07 16:29:21 +02:00

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Changelog

All notable changes to this fork of the OpenGD77 firmware (MD-UV380 / DM-1701).

This project is still in pre-release iteration, so changes are collected as a single running list until the first versioned release.

Unreleased

Nothing yet.

0.3.0

  • Fix a second voice-prompt crash on the Screen Dim menu row: the item label ("Screen Dim") is a raw literal, and the shared menu code voices labels via voicePromptsAppendLanguageString(), which crashes on any pointer outside the language table. That function now ignores non-language pointers, so a stray literal is skipped instead of hard-faulting. (The dim value is still announced.)

0.2.0

  • Fix crash opening Display Options with voice announcements on: the Screen Dim value ("100%"/"50%"/…) is a plain literal, but the shared menu code fed it to voicePromptsAppendLanguageString(), which derives the prompt index from the string's offset within the language table — a foreign pointer produced a garbage index and crashed. The value now goes through voicePromptsAppendString(). Also moved the dim-level high bit off a low legacy option bit (bit 2 → 29) and clamped the level so it can never index past the option arrays.
  • 7-segment frequency font: inactive segments are now off (background) instead of faintly lit — no dim "ghosting". "MHz" now matches the frequency colour, and there's 1px more space between the RX and TX frequency lines.
  • Screen dimming: added a 15% idle-dim level (Off / 100 / 50 / 30 / 15).
  • DM-1701 build support — the Docker build is now parameterized by platform; ./build-firmware.sh DM1701 produces OpenDM1701.bin (Baofeng DM-1701 / Retevis RT-84). Not officially tested yet.
  • Release script (scripts/forgejo-release.sh) now builds and attaches a single platform or all of them, and reuses an existing release.
  • README: added "What's different from OpenGD77" and a dedicated "Flashing" section.

0.1.0

First versioned release of FreeTRX (fork of OpenGD77 R20260131).

Features

  • Screen dimming — optional idle dimming of the backlight to a fraction of the configured brightness (Off / 100% / 50% / 30%), in Auto backlight mode. Any activity (keys, rotary, RX, TX) restores full brightness. New setting in Display Options.
  • Mute — one-tap audio mute:
    • SK2 short-tap toggles mute on the VFO/Channel screens (except while a DMR QSO is on screen, where SK2 keeps its "set TX TG to incoming" function).
    • Turning the volume knob fully down is also treated as muted.
    • While muted: a bold "M" appears in the status bar (left of the battery) and the red LED flashes (0.5 s every 2 s).

Display / UI

  • S-meter redrawn as discrete blocks — 9 green blocks (S1–S9) plus 6 red blocks (S9+10…+60), with gaps and a proportionally-filled leading block, and a scale label row beneath (S1 S3 S5 S7 S9 / +20 +40 +60).
  • 7-segment "LED" frequency font for the VFO and SK1-held frequency display, with faintly-lit inactive segments; digits are wider than the normal font.
  • Main-menu icons — a small glyph next to each top-level menu entry.
  • Layout spacing adjusted so the contact/TG line, the DMR talkgroup/talker and the private-call caller ID clear the new S-meter label row.

Fixes

  • DMR no longer hard-faults. The AMBE codec is now called through C function pointers instead of the old inline assembler (which modern GCC miscompiled), fixing the freeze-on-DMR that required a battery pull.
  • Fixed the DMR talkgroup/talker and private-call caller ID overlapping the S-meter labels.

Build / Tooling

  • Dockerized build using the Arm GNU Toolchain 14 (matching the official builds); always a clean build. ./flash.sh helper for flashing with model, language and DMR donor.
  • Integrated the OpenGD77 screen grabber (gd-77_screen_grabber.py) and the GD-77 loader into the repo.
  • TOOLS.md documents building, flashing, screenshots and language files.

Project

  • Renamed the project to FreeTRX (fork of OpenGD77). New README.md documenting the fork and its upstream source; original OpenGD77 README kept as README.OpenGD77.md. Added LICENSE.md reproducing the inherited OpenGD77 license (modified BSD 3-Clause + non-commercial clause; not GPL-compatible).
  • On-screen branding renamed to FreeTRX (splash screen + Firmware Info name).
  • README notes this iteration is developed/tested only on the TYT MD-UV380 and Retevis RT-3S, with a contact for testing on other supported radios.
  • Firmware-info credits simplified to "Marcus DK1DA" and a reference to "The original OpenGD77 authors".

Misc

  • Added Marcus DK1DA to the firmware-info credits ("Modified Fork by").