add files

config.h

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+// =====================================================================
+// config.example.h
+//
+// Copy this file to "config.h" (same folder) and edit the values
+// below. "config.h" is meant to be gitignored so you don't commit
+// your Wi-Fi password.
+// =====================================================================
+#pragma once
+
+// ---------------------------------------------------------------
+// Wi-Fi credentials
+// ---------------------------------------------------------------
+#define WIFI_SSID     "OrangePiVietnam"
+#define WIFI_PASSWORD "orangepi.vn"
+
+// ---------------------------------------------------------------
+// Radar UART pins (ESP32-S3, HardwareSerial — NOT SoftwareSerial)
+// Change these to match your wiring. Any two free GPIOs that
+// support UART RX/TX on your ESP32-S3 board will work.
+// ---------------------------------------------------------------
+#define RADAR_RX_PIN 18   // ESP32-S3 RX  <- LD2453 TX
+#define RADAR_TX_PIN 17   // ESP32-S3 TX  -> LD2453 RX
+#define RADAR_UART_PORT 1 // which HardwareSerial to use (Serial1 or Serial2)
+
+// Default LD2453 UART settings. 8N1 is assumed by analogy with the
+// rest of the Hi-Link 24xx radar family; this has NOT been confirmed
+// against the official LD2453 manual. Verify with DEBUG_RADAR_RAW
+// before trusting any parsed output.
+#define RADAR_BAUD_RATE 256000
+
+// ---------------------------------------------------------------
+// Node identity — for the future multi-radar (LD2453 A/B/C -> UDP
+// -> Orange Pi) architecture. Not used for networking yet, but every
+// frame is tagged with this so the plumbing is ready later.
+// ---------------------------------------------------------------
+#define NODE_ID "RADAR_A"
+
+// ---------------------------------------------------------------
+// Debug / diagnostic switches
+// ---------------------------------------------------------------
+// 1 = print every raw UART frame candidate as hex on the Serial
+//     Monitor (115200). Use this to capture real traffic from the
+//     module so the frame format can be confirmed/reverse-engineered.
+#define DEBUG_RADAR_RAW 0
+
+// 1 = diagnostic mode only: Serial-only target printout, no Wi-Fi,
+//     no web server, no WebSocket. This is the recommended first
+//     stage — get the parser confirmed against real hardware before
+//     bringing up networking.
+// 0 = full stage-2 firmware: Wi-Fi + REST API + WebSocket + zones.
+#define DIAGNOSTIC_MODE 1