RT-4D: реверс прошивки, русификация, кастомный UI, флешеры

- Полный RE стока V3.25 (Cortex-M4F) + FM100B: карта памяти, протокол, codeplug, UI-архитектура
- Русификация: свой CP1251-шрифт + патч рендера, перевод меню и надписей, ребренд Ru-4D V3.25
- Блюпринт переделки UI + C-тулчейн (clang thumbv7em), доказан инъекцией
- Готовые флешеры: WebSerial .html и Windows .exe со вшитой прошивкой
- Дамп SPI рации, стоковая прошивка, инструменты сборки

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

tools/glyphs_ru.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+"""Uppercase Russian bitmap font for the RT-4D, 6px wide (col 6 blank => 1px
+gap with the fixed 7px advance), body rows 3..10 (descenders to 11).
+Format encoded elsewhere: column-major 7 cols x 14 rows, 2 bytes/col LE, bit0=top.
+Each glyph here is a list of up to 9 six-char rows placed starting at row `TOP`."""
+
+TOP = 3
+
+# 6-wide bitmaps (cols 0..5). '#'=pixel. Bottom-aligned on baseline row 10.
+UPPER = {
+"А": ["_####_","#____#","#____#","#____#","######","#____#","#____#","#____#"],
+"Б": ["######","#_____","#_____","#####_","#____#","#____#","#____#","#####_"],
+"В": ["#####_","#____#","#____#","#####_","#____#","#____#","#____#","#####_"],
+"Г": ["######","#_____","#_____","#_____","#_____","#_____","#_____","#_____"],
+"Д": ["_####_","_#__#_","_#__#_","_#__#_","_#__#_","######","#____#","#____#"],
+"Е": ["######","#_____","#_____","#####_","#_____","#_____","#_____","######"],
+"Ё": ["#_##_#","______","######","#_____","#####_","#_____","#_____","######"],
+"Ж": ["#_#_#_","#_#_#_","_###__","__#___","_###__","#_#_#_","#_#_#_","#_#_#_"],
+"З": ["_###__","#___#_","____#_","__##__","____#_","#___#_","_###__","______"],
+"И": ["#____#","#___##","#__#_#","#_#__#","##___#","#____#","#____#","#____#"],
+"Й": ["_####_","#____#","#___##","#__#_#","#_#__#","##___#","#____#","#____#"],
+"К": ["#___#_","#__#__","#_#___","##____","#_#___","#__#__","#___#_","#____#"],
+"Л": ["_####_","_#__#_","_#__#_","_#__#_","_#__#_","#___#_","#___#_","#___#_"],
+"М": ["#____#","##__##","#_##_#","#_##_#","#____#","#____#","#____#","#____#"],
+"Н": ["#____#","#____#","#____#","######","#____#","#____#","#____#","#____#"],
+"О": ["_####_","#____#","#____#","#____#","#____#","#____#","#____#","_####_"],
+"П": ["######","#____#","#____#","#____#","#____#","#____#","#____#","#____#"],
+"Р": ["#####_","#____#","#____#","#####_","#_____","#_____","#_____","#_____"],
+"С": ["_####_","#____#","#_____","#_____","#_____","#_____","#____#","_####_"],
+"Т": ["######","__#___","__#___","__#___","__#___","__#___","__#___","__#___"],
+"У": ["#____#","#____#","#____#","_####_","___#__","___#__","__#___","_##___"],
+"Ф": ["__#___","_####_","#_#__#","#_#__#","#_#__#","_####_","__#___","__#___"],
+"Х": ["#____#","#____#","_#__#_","__##__","__##__","_#__#_","#____#","#____#"],
+"Ц": ["#___#_","#___#_","#___#_","#___#_","#___#_","#___#_","######","____##"],
+"Ч": ["#____#","#____#","#____#","_#####","_____#","_____#","_____#","_____#"],
+"Ш": ["#_#__#","#_#__#","#_#__#","#_#__#","#_#__#","#_#__#","#_#__#","######"],
+"Щ": ["#_#__#","#_#__#","#_#__#","#_#__#","#_#__#","#_#__#","######","_____#"],
+"Ъ": ["##____","_#____","_#____","_####_","_#___#","_#___#","_#___#","_####_"],
+"Ы": ["#____#","#____#","#____#","##___#","#_#__#","#_#__#","#_#__#","##___#"],
+"Ь": ["#_____","#_____","#_____","#####_","#____#","#____#","#____#","#####_"],
+"Э": ["_###__","#___#_","____#_","__###_","____#_","____#_","#___#_","_###__"],
+"Ю": ["#__##_","#_#__#","#_#__#","###__#","#_#__#","#_#__#","#_#__#","#__##_"],
+"Я": ["_#####","#____#","#____#","_#####","__#__#","_#___#","#____#","#____#"],
+}
+
+def rows_for(ch):
+    body = UPPER[ch]
+    grid = ["______"] * 14
+    for i, r in enumerate(body):
+        grid[TOP + i] = r.replace("_", ".")
+    return grid