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feeling001@gmail.com
2026-06-18 15:04:18 +02:00
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#pragma once
/**
* @file Config.h
* @brief Central configuration constants, data structures and enumerations
* for the Marine Navigation Display.
*
* All hardware pin assignments, BLE UUIDs, display layout parameters and
* application-level structs are defined here so that every module shares a
* single source of truth.
*/
#include <Arduino.h>
#include <stdint.h>
// =============================================================================
// Firmware version
// =============================================================================
#ifndef APP_VERSION
#define APP_VERSION "1.0.0"
#endif
// =============================================================================
// Hardware — SPI pins for the 4.2" GxEPD2 e-ink display
// Waveshare ESP32-S3-Zero default SPI wiring
// =============================================================================
namespace Pins {
// ── E-Ink display ─────────────────────────────────────────────────────────
constexpr uint8_t EPD_CS = 9; ///< Chip Select
constexpr uint8_t EPD_DC = 8; ///< Data/Command
constexpr uint8_t EPD_RST = 7; ///< Reset
constexpr uint8_t EPD_BUSY = 6; ///< Busy signal (active LOW)
constexpr uint8_t EPD_SCK = 10; ///< SPI clock (HSPI SCK)
constexpr uint8_t EPD_MOSI = 11; ///< SPI MOSI (HSPI MOSI)
// ── Capacitive touch buttons (ESP32-S3 native touch) ─────────────────────
// Override via platformio.ini build_flags if needed.
constexpr uint8_t TOUCH_NEXT = TOUCH_PIN_NEXT; ///< Next page / +
constexpr uint8_t TOUCH_PREV = TOUCH_PIN_PREV; ///< Previous page / -
constexpr uint8_t TOUCH_ACTION = TOUCH_PIN_ACTION; ///< Action / full refresh
// ── NeoPixel RGB status LED ───────────────────────────────────────────────
constexpr uint8_t LED = STATUS_LED_PIN;
}
// =============================================================================
// Touch input parameters
// =============================================================================
namespace Touch {
constexpr uint16_t THRESHOLD = 40; ///< Raw touch value below = touched
constexpr uint32_t DEBOUNCE_MS = 50; ///< Minimum ms between events
constexpr uint32_t LONG_PRESS_MS = 1500; ///< Hold duration for long-press
constexpr uint32_t AP_COMBO_MS = 3000; ///< Hold NEXT+PREV to enter AP mode
}
// =============================================================================
// BLE — Marine Gateway protocol UUIDs
// Base: 4D475743-xxxx-4E41-5649-474154494F4E
// =============================================================================
namespace BleUUID {
// ── Services ──────────────────────────────────────────────────────────────
constexpr const char* NAV_SVC = "4d475743-0001-4e41-5649-474154494f4e";
constexpr const char* WIND_SVC = "4d475743-0002-4e41-5649-474154494f4e";
constexpr const char* AUTOPILOT_SVC = "4d475743-0003-4e41-5649-474154494f4e";
constexpr const char* PERF_SVC = "4d475743-0004-4e41-5649-474154494f4e";
constexpr const char* ADMIN_SVC = "4d475743-0005-4e41-5649-474154494f4e";
// ── Characteristics (read / notify) ───────────────────────────────────────
constexpr const char* NAV_DATA = "4d475743-0101-4e41-5649-474154494f4e";
constexpr const char* WIND_DATA = "4d475743-0201-4e41-5649-474154494f4e";
constexpr const char* AUTOPILOT_DATA = "4d475743-0301-4e41-5649-474154494f4e";
constexpr const char* AUTOPILOT_CMD = "4d475743-0302-4e41-5649-474154494f4e";
constexpr const char* PERF_DATA = "4d475743-0401-4e41-5649-474154494f4e";
constexpr const char* ADMIN_DATA = "4d475743-0501-4e41-5649-474154494f4e";
constexpr const char* ADMIN_CMD = "4d475743-0502-4e41-5649-474154494f4e";
}
// =============================================================================
// BLE runtime parameters
// =============================================================================
namespace BleConfig {
constexpr const char* DEVICE_NAME = BLE_DEVICE_NAME;
constexpr uint32_t SCAN_DURATION = 10; ///< seconds per scan window
constexpr uint32_t RECONNECT_MS = 5000; ///< delay before reconnect attempt
constexpr uint32_t STALE_TIMEOUT = 15; ///< seconds before data is marked stale
}
// =============================================================================
// Display layout
// 400×300 px divided into a 2×2 grid → 4 tiles
// =============================================================================
namespace Display {
constexpr uint16_t WIDTH = 400;
constexpr uint16_t HEIGHT = 300;
constexpr uint8_t TILE_COLS = 2;
constexpr uint8_t TILE_ROWS = 2;
constexpr uint8_t TILE_COUNT = TILE_COLS * TILE_ROWS;
constexpr uint16_t TILE_W = WIDTH / TILE_COLS; // 200 px
constexpr uint16_t TILE_H = HEIGHT / TILE_ROWS; // 150 px
constexpr uint8_t BORDER_PX = 2; ///< separator line width
constexpr uint8_t LABEL_H = 22; ///< px reserved for the tile label
constexpr uint32_t FULL_REFRESH_INTERVAL_MS = 300000; ///< forced full refresh every 5 min
}
// =============================================================================
// Available data fields that can be assigned to a tile
// =============================================================================
enum class DataField : uint8_t {
NONE = 0,
// Navigation
LAT, ///< GPS Latitude
LON, ///< GPS Longitude
SOG, ///< Speed Over Ground (kn)
COG, ///< Course Over Ground (°)
STW, ///< Speed Through Water (kn)
HDG_MAG, ///< Magnetic Heading (°)
DEPTH, ///< Depth (m)
// Wind
AWS, ///< Apparent Wind Speed (kn)
AWA, ///< Apparent Wind Angle (°)
TWS, ///< True Wind Speed (kn)
TWA, ///< True Wind Angle (°)
TWD, ///< True Wind Direction (°)
// Autopilot
AP_MODE, ///< Autopilot mode string
AP_TARGET, ///< Autopilot target heading (°)
AP_RUDDER, ///< Rudder angle (°)
// Performance
VMG, ///< Velocity Made Good (kn)
POLAR_PCT, ///< Polar efficiency (%)
TARGET_STW, ///< Polar target speed (kn)
// Admin / System
UPTIME, ///< Device uptime (s)
WIFI_MODE, ///< WiFi mode string
FREE_HEAP, ///< Free heap (bytes)
_COUNT ///< Sentinel — keep last
};
// =============================================================================
// Tile configuration (persisted in NVS / LittleFS)
// =============================================================================
struct TileConfig {
DataField field = DataField::NONE;
char label[16] = ""; ///< User-defined label override (empty = auto)
};
// =============================================================================
// Page: a set of 4 tiles
// =============================================================================
constexpr uint8_t MAX_PAGES = 8;
struct PageConfig {
char name[24] = "";
TileConfig tiles[Display::TILE_COUNT];
};
// =============================================================================
// Application-wide configuration (serialised to LittleFS as JSON)
// =============================================================================
struct AppConfig {
uint8_t pageCount = 1;
uint8_t activePage = 0;
PageConfig pages[MAX_PAGES];
// WiFi AP credentials (used when the display itself opens an AP)
char apSSID[32] = "MarineDisplay";
char apPassword[32] = "marine123";
};
// =============================================================================
// Live data snapshot — filled by BleManager, read by DisplayManager
// =============================================================================
struct NavData {
float lat = NAN;
float lon = NAN;
float sog = NAN;
float cog = NAN;
float stw = NAN;
float hdgMag = NAN;
float depth = NAN;
uint32_t updatedAt = 0; ///< millis() of last valid update
};
struct WindData {
float aws = NAN;
float awa = NAN;
float tws = NAN;
float twa = NAN;
float twd = NAN;
uint32_t updatedAt = 0;
};
struct AutopilotData {
char mode[16] = "";
char status[16] = "";
float headingTarget = NAN;
float windTarget = NAN;
float rudder = NAN;
float lockedHeading = NAN;
uint32_t updatedAt = 0;
};
struct PerfData {
float vmg = NAN;
float polarPct = NAN;
float targetStw = NAN;
bool polarLoaded = false;
uint32_t updatedAt = 0;
};
struct AdminData {
uint32_t uptimeS = 0;
uint64_t datetimeUtc = 0;
char wifiMode[8] = "";
char wifiSSID[33] = "";
char ip[16] = "";
uint32_t freeHeap = 0;
uint32_t updatedAt = 0;
};
/**
* @brief Aggregated snapshot of all BLE-received data.
* Access must be guarded by the SemaphoreHandle in AppState.
*/
struct BoatState {
NavData nav;
WindData wind;
AutopilotData autopilot;
PerfData perf;
AdminData admin;
};
// =============================================================================
// Application state — shared between all modules (extern in AppState.cpp)
// =============================================================================
namespace AppState {
enum class BleStatus : uint8_t {
IDLE,
SCANNING,
CONNECTING,
CONNECTED,
DISCONNECTED,
ERROR
};
enum class WifiStatus : uint8_t {
OFF,
AP_ACTIVE,
STA_CONNECTING,
STA_CONNECTED
};
}
// =============================================================================
// NeoPixel LED colour palette for status indication
// =============================================================================
namespace LedColor {
constexpr uint32_t OFF = 0x000000;
constexpr uint32_t BLE_SCANNING = 0x0000FF; ///< Blue pulsing
constexpr uint32_t BLE_CONNECTED= 0x00FF00; ///< Solid green
constexpr uint32_t BLE_ERROR = 0xFF0000; ///< Red
constexpr uint32_t WIFI_AP = 0xFF8800; ///< Amber
constexpr uint32_t WIFI_STA = 0x00FFFF; ///< Cyan
constexpr uint32_t OTA = 0xFF00FF; ///< Magenta pulsing
}
// =============================================================================
// Utility: readable name for a DataField
// =============================================================================
inline const char* fieldName(DataField f) {
switch (f) {
case DataField::LAT: return "Latitude";
case DataField::LON: return "Longitude";
case DataField::SOG: return "SOG";
case DataField::COG: return "COG";
case DataField::STW: return "STW";
case DataField::HDG_MAG: return "Heading";
case DataField::DEPTH: return "Depth";
case DataField::AWS: return "AWS";
case DataField::AWA: return "AWA";
case DataField::TWS: return "TWS";
case DataField::TWA: return "TWA";
case DataField::TWD: return "TWD";
case DataField::AP_MODE: return "AP Mode";
case DataField::AP_TARGET: return "AP Target";
case DataField::AP_RUDDER: return "Rudder";
case DataField::VMG: return "VMG";
case DataField::POLAR_PCT: return "Polar %";
case DataField::TARGET_STW:return "Tgt STW";
case DataField::UPTIME: return "Uptime";
case DataField::WIFI_MODE: return "WiFi Mode";
case DataField::FREE_HEAP: return "Free Heap";
default: return "---";
}
}
inline const char* fieldUnit(DataField f) {
switch (f) {
case DataField::LAT:
case DataField::LON:
case DataField::COG:
case DataField::HDG_MAG:
case DataField::TWD:
case DataField::AP_TARGET:
case DataField::AP_RUDDER:
case DataField::AWA:
case DataField::TWA: return "°";
case DataField::SOG:
case DataField::STW:
case DataField::AWS:
case DataField::TWS:
case DataField::VMG:
case DataField::TARGET_STW:return "kn";
case DataField::DEPTH: return "m";
case DataField::POLAR_PCT: return "%";
case DataField::UPTIME: return "s";
case DataField::FREE_HEAP: return "B";
default: return "";
}
}