Ajout prise en charge ESP-Display

include/TouchscreenUI.h

@@ -0,0 +1,188 @@
+/**
+ * @file TouchscreenUI.h
+ * @brief Touchscreen user interface for locomotive test bench
+ * 
+ * Provides a graphical interface on the ILI9341 TFT display with touch controls for:
+ * - Power ON/OFF button
+ * - DCC/Analog mode switching
+ * - Speed slider (0-100%)
+ * - 2-rail/3-rail configuration selector
+ * - Direction control
+ * - Status display
+ * 
+ * @author Locomotive Test Bench Project
+ * @date 2025
+ */
+
+#ifndef TOUCHSCREEN_UI_H
+#define TOUCHSCREEN_UI_H
+
+#include <Arduino.h>
+#include <TFT_eSPI.h>
+#include <XPT2046_Touchscreen.h>
+#include "Config.h"
+#include "MotorController.h"
+#include "DCCGenerator.h"
+#include "RelayController.h"
+
+// Touch calibration values for ESP32-2432S028R
+#define TS_MIN_X 200
+#define TS_MAX_X 3700
+#define TS_MIN_Y 200
+#define TS_MAX_Y 3750
+
+// UI Colors
+#define COLOR_BG 0x0000          // Black
+#define COLOR_PANEL 0x2945       // Dark gray
+#define COLOR_TEXT 0xFFFF        // White
+#define COLOR_POWER_ON 0x07E0    // Green
+#define COLOR_POWER_OFF 0xF800   // Red
+#define COLOR_DCC 0x07FF         // Cyan
+#define COLOR_ANALOG 0xFFE0      // Yellow
+#define COLOR_SLIDER 0x435C      // Gray
+#define COLOR_SLIDER_ACTIVE 0x07E0  // Green
+#define COLOR_BUTTON 0x4A49      // Button gray
+#define COLOR_BUTTON_ACTIVE 0x2124  // Darker gray
+#define COLOR_FUNCTION_OFF 0x31A6   // Dark blue-gray
+#define COLOR_FUNCTION_ON 0xFD20    // Orange
+
+/**
+ * @struct Button
+ * @brief Simple button structure for touch areas
+ */
+struct Button {
+    int16_t x, y, w, h;
+    String label;
+    uint16_t color;
+    bool visible;
+};
+
+/**
+ * @class TouchscreenUI
+ * @brief Manages touchscreen display and user interactions
+ * 
+ * Provides complete UI for controlling the locomotive test bench,
+ * handling touch events, updating displays, and coordinating with
+ * motor controller, DCC generator, and relay controller.
+ */
+class TouchscreenUI {
+public:
+    /**
+     * @brief Constructor
+     * @param cfg Pointer to configuration object
+     * @param motor Pointer to motor controller
+     * @param dcc Pointer to DCC generator
+     * @param relay Pointer to relay controller
+     */
+    TouchscreenUI(Config* cfg, MotorController* motor, DCCGenerator* dcc, RelayController* relay);
+    
+    /**
+     * @brief Initialize touchscreen and display
+     * 
+     * Sets up TFT display, touch controller, and draws initial UI.
+     */
+    void begin();
+    
+    /**
+     * @brief Update UI and handle touch events
+     * 
+     * Must be called regularly from main loop.
+     * Handles touch detection, UI updates, and state changes.
+     */
+    void update();
+    
+    /**
+     * @brief Force full screen redraw
+     */
+    void redraw();
+    
+    /**
+     * @brief Get power state
+     * @return true if power is ON
+     */
+    bool isPowerOn() { return powerOn; }
+    
+private:
+    TFT_eSPI tft;
+    XPT2046_Touchscreen touch;
+    
+    Config* config;
+    MotorController* motorController;
+    DCCGenerator* dccGenerator;
+    RelayController* relayController;
+    
+    bool powerOn;
+    uint8_t lastSpeed;
+    bool lastDirection;
+    bool lastIsDCC;
+    bool lastIs3Rail;
+    uint32_t lastDccFunctions;
+    
+    // Programming screen state
+    bool programmingMode;
+    uint16_t cvNumber;
+    uint8_t cvValue;
+    uint16_t newAddress;
+    uint8_t keypadMode;  // 0=address, 1=CV number, 2=CV value
+    
+    // UI element positions
+    Button btnPower;
+    Button btnMode;
+    Button btnRails;
+    Button btnDirection;
+    Button btnDccAddress;
+    
+    // DCC function buttons (F0-F12)
+    #define NUM_FUNCTIONS 13
+    Button btnFunctions[NUM_FUNCTIONS];
+    
+    // Programming mode buttons
+    Button btnProgramming;
+    Button btnProgBack;
+    Button btnFactoryReset;
+    Button btnSetAddress;
+    Button btnReadCV;
+    Button btnWriteCV;
+    
+    // Numeric keypad (0-9, backspace, enter)
+    #define NUM_KEYPAD_BUTTONS 12
+    Button btnKeypad[NUM_KEYPAD_BUTTONS];
+    
+    // Slider position and state
+    int16_t sliderX, sliderY, sliderW, sliderH;
+    int16_t sliderKnobX;
+    bool sliderPressed;
+    
+    // Private methods
+    void drawUI();
+    void drawPowerButton();
+    void drawModeButton();
+    void drawRailsButton();
+    void drawDirectionButton();
+    void drawSpeedSlider();
+    void drawStatusBar();
+    void drawDccFunctions();
+    void drawDccAddressButton();
+    void drawProgrammingScreen();
+    void drawNumericKeypad();
+    void drawProgrammingStatus();
+    
+    void handleTouch(int16_t x, int16_t y);
+    void updatePowerState(bool state);
+    void updateMode(bool isDCC);
+    void updateRailMode(bool is3Rail);
+    void updateDirection();
+    void updateSpeed(uint8_t newSpeed);
+    void toggleDccFunction(uint8_t function);
+    void enterProgrammingMode();
+    void exitProgrammingMode();
+    void handleKeypadPress(uint8_t key);
+    void performFactoryReset();
+    void performSetAddress();
+    void performReadCV();
+    void performWriteCV();
+    
+    int16_t mapTouch(int16_t value, int16_t inMin, int16_t inMax, int16_t outMin, int16_t outMax);
+};
+
+#endif // TOUCHSCREEN_UI_H