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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if ENABLED(TOUCH_SCREEN)
-
- #include "tft_color.h"
- #include "tft_image.h"
-
- #include HAL_PATH(../../HAL, tft/xpt2046.h)
- #define TOUCH_DRIVER XPT2046
-
- #ifndef TOUCH_SCREEN_CALIBRATION_PRECISION
- #define TOUCH_SCREEN_CALIBRATION_PRECISION 80
- #endif
-
- #ifndef TOUCH_SCREEN_HOLD_TO_CALIBRATE_MS
- #define TOUCH_SCREEN_HOLD_TO_CALIBRATE_MS 2500
- #endif
-
- #define TOUCH_ORIENTATION_NONE 0
- #define TOUCH_LANDSCAPE 1
- #define TOUCH_PORTRAIT 2
-
- #if !(defined(TOUCH_CALIBRATION_X) || defined(TOUCH_CALIBRATION_Y) || defined(TOUCH_OFFSET_X) || defined(TOUCH_OFFSET_Y) || defined(TOUCH_ORIENTATION))
- #if defined(XPT2046_X_CALIBRATION) && defined(XPT2046_Y_CALIBRATION) && defined(XPT2046_X_OFFSET) && defined(XPT2046_Y_OFFSET)
- #define TOUCH_CALIBRATION_X XPT2046_X_CALIBRATION
- #define TOUCH_CALIBRATION_Y XPT2046_Y_CALIBRATION
- #define TOUCH_OFFSET_X XPT2046_X_OFFSET
- #define TOUCH_OFFSET_Y XPT2046_Y_OFFSET
- #define TOUCH_ORIENTATION TOUCH_LANDSCAPE
- #else
- #define TOUCH_CALIBRATION_X 0
- #define TOUCH_CALIBRATION_Y 0
- #define TOUCH_OFFSET_X 0
- #define TOUCH_OFFSET_Y 0
- #define TOUCH_ORIENTATION TOUCH_ORIENTATION_NONE
- #endif
- #endif
-
- // Menu Navigation
- extern int8_t encoderTopLine, encoderLine, screen_items;
-
- enum TouchControlType : uint16_t {
- NONE = 0x0000,
- CALIBRATE,
- MENU_SCREEN,
- MENU_ITEM,
- BACK,
- PAGE_UP,
- PAGE_DOWN,
- CLICK,
- RESUME_CONTINUE,
- SLIDER,
- INCREASE,
- DECREASE,
- CANCEL,
- CONFIRM,
- HEATER,
- FAN,
- FEEDRATE,
- FLOWRATE,
- UBL,
- MOVE_AXIS,
- BUTTON,
- };
-
- typedef void (*screenFunc_t)();
-
- void add_control(uint16_t x, uint16_t y, TouchControlType control_type, int32_t data, MarlinImage image, bool is_enabled = true, uint16_t color_enabled = COLOR_CONTROL_ENABLED, uint16_t color_disabled = COLOR_CONTROL_DISABLED);
- inline void add_control(uint16_t x, uint16_t y, TouchControlType control_type, MarlinImage image, bool is_enabled = true, uint16_t color_enabled = COLOR_CONTROL_ENABLED, uint16_t color_disabled = COLOR_CONTROL_DISABLED) { add_control(x, y, control_type, 0, image, is_enabled, color_enabled, color_disabled); }
- inline void add_control(uint16_t x, uint16_t y, screenFunc_t screen, MarlinImage image, bool is_enabled = true, uint16_t color_enabled = COLOR_CONTROL_ENABLED, uint16_t color_disabled = COLOR_CONTROL_DISABLED) { add_control(x, y, MENU_SCREEN, (int32_t)screen, image, is_enabled, color_enabled, color_disabled); }
-
- typedef struct __attribute__((__packed__)) {
- TouchControlType type;
- uint16_t x;
- uint16_t y;
- uint16_t width;
- uint16_t height;
- int32_t data;
- } touch_control_t;
-
- typedef struct __attribute__((__packed__)) {
- int32_t x;
- int32_t y;
- int16_t offset_x;
- int16_t offset_y;
- uint8_t orientation;
- } touch_calibration_t;
-
- typedef struct __attribute__((__packed__)) {
- uint16_t x;
- uint16_t y;
- int16_t raw_x;
- int16_t raw_y;
- } touch_calibration_point_t;
-
- enum calibrationState : uint8_t {
- CALIBRATION_POINT_1 = 0x00,
- CALIBRATION_POINT_2,
- CALIBRATION_POINT_3,
- CALIBRATION_POINT_4,
- CALIBRATION_SUCCESS,
- CALIBRATION_FAIL,
- CALIBRATION_NONE,
- };
-
- #define MAX_CONTROLS 16
- #define MINIMUM_HOLD_TIME 15
- #define TOUCH_REPEAT_DELAY 75
- #define MIN_REPEAT_DELAY 25
- #define UBL_REPEAT_DELAY 125
- #define FREE_MOVE_RANGE 32
-
- class Touch {
- private:
- static TOUCH_DRIVER io;
- static int16_t x, y;
- static bool enabled;
-
- static touch_control_t controls[MAX_CONTROLS];
- static touch_control_t *current_control;
- static uint16_t controls_count;
-
- static millis_t now;
- static millis_t time_to_hold;
- static millis_t repeat_delay;
- static millis_t touch_time;
- static TouchControlType touch_control_type;
-
- static inline bool get_point(int16_t *x, int16_t *y);
- static void touch(touch_control_t *control);
- static void hold(touch_control_t *control, millis_t delay = 0);
-
- #if ENABLED(TOUCH_SCREEN_CALIBRATION)
- static calibrationState calibration_state;
- static touch_calibration_point_t calibration_points[4];
-
- static bool validate_precision(int32_t a, int32_t b) { return (a > b ? (100 * b) / a : (100 * a) / b) > TOUCH_SCREEN_CALIBRATION_PRECISION; }
- static bool validate_precision_x(uint8_t a, uint8_t b) { return validate_precision(calibration_points[a].raw_x, calibration_points[b].raw_x); }
- static bool validate_precision_y(uint8_t a, uint8_t b) { return validate_precision(calibration_points[a].raw_y, calibration_points[b].raw_y); }
- #endif // TOUCH_SCREEN_CALIBRATION
-
- public:
- static void init();
- static void reset() { controls_count = 0; touch_time = -1; current_control = NULL; }
- static void clear() { controls_count = 0; }
- static void idle();
- static bool is_clicked() { return touch_control_type == CLICK; }
- static void disable() { enabled = false; }
- static void enable() { enabled = true; }
-
- static void add_control(TouchControlType type, uint16_t x, uint16_t y, uint16_t width, uint16_t height, int32_t data = 0);
-
- static touch_calibration_t calibration;
- static void calibration_reset() { calibration = {TOUCH_CALIBRATION_X, TOUCH_CALIBRATION_Y, TOUCH_OFFSET_X, TOUCH_OFFSET_Y, TOUCH_ORIENTATION}; }
-
- #if ENABLED(TOUCH_SCREEN_CALIBRATION)
- static calibrationState calibration_start() { calibration = {0, 0, 0, 0, TOUCH_ORIENTATION_NONE}; return calibration_state = CALIBRATION_POINT_1; }
- static void calibration_end() { calibration_state = CALIBRATION_NONE; }
- static calibrationState get_calibration_state() { return calibration_state; }
- #endif // TOUCH_SCREEN_CALIBRATION
- };
-
- extern Touch touch;
-
- #endif // TOUCH_SCREEN
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