Initial import: WebAisMap

Closes TG-4

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/pulse_once.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+"""Короткий импульс на GPIO (Linux + gpiod). Пример для Orange Pi: скопируйте на устройство и укажите путь в настройках транспондера."""
+import os
+import time
+
+try:
+    import gpiod
+except ImportError:
+    raise SystemExit("Нужен пакет gpiod (python3-libgpiod)") from None
+
+CHIP = os.environ.get("AIS_TX_GPIO_CHIP", "/dev/gpiochip1")
+LINE = int(os.environ.get("AIS_TX_GPIO_LINE", "0"))
+PULSE_US = int(os.environ.get("AIS_TX_PULSE_US", "1000"))
+
+with gpiod.request_lines(
+    CHIP,
+    consumer="ais-tx-pulse",
+    config={
+        LINE: gpiod.LineSettings(
+            direction=gpiod.line.Direction.OUTPUT,
+            output_value=gpiod.line.Value.INACTIVE,
+        )
+    },
+) as req:
+    req.set_value(LINE, gpiod.line.Value.ACTIVE)
+    time.sleep(PULSE_US / 1_000_000.0)
+    req.set_value(LINE, gpiod.line.Value.INACTIVE)