2020-07-30 06:43:19 +00:00
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include "../../inc/MarlinConfigPre.h"
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#if ENABLED(TOUCH_SCREEN)
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#include "tft_color.h"
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#include "tft_image.h"
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#include HAL_PATH(../../HAL, tft/xpt2046.h)
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#define TOUCH_DRIVER XPT2046
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#ifndef TOUCH_SCREEN_CALIBRATION_PRECISION
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#define TOUCH_SCREEN_CALIBRATION_PRECISION 80
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#endif
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#ifndef TOUCH_SCREEN_HOLD_TO_CALIBRATE_MS
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#define TOUCH_SCREEN_HOLD_TO_CALIBRATE_MS 2500
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#endif
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#define TOUCH_ORIENTATION_NONE 0
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#define TOUCH_LANDSCAPE 1
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#define TOUCH_PORTRAIT 2
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#if !(defined(TOUCH_CALIBRATION_X) || defined(TOUCH_CALIBRATION_Y) || defined(TOUCH_OFFSET_X) || defined(TOUCH_OFFSET_Y) || defined(TOUCH_ORIENTATION))
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#if defined(XPT2046_X_CALIBRATION) && defined(XPT2046_Y_CALIBRATION) && defined(XPT2046_X_OFFSET) && defined(XPT2046_Y_OFFSET)
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#define TOUCH_CALIBRATION_X XPT2046_X_CALIBRATION
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#define TOUCH_CALIBRATION_Y XPT2046_Y_CALIBRATION
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#define TOUCH_OFFSET_X XPT2046_X_OFFSET
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#define TOUCH_OFFSET_Y XPT2046_Y_OFFSET
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#define TOUCH_ORIENTATION TOUCH_LANDSCAPE
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#else
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#define TOUCH_CALIBRATION_X 0
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#define TOUCH_CALIBRATION_Y 0
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#define TOUCH_OFFSET_X 0
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#define TOUCH_OFFSET_Y 0
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#define TOUCH_ORIENTATION TOUCH_ORIENTATION_NONE
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#endif
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#endif
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// Menu Navigation
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extern int8_t encoderTopLine, encoderLine, screen_items;
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enum TouchControlType : uint16_t {
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NONE = 0x0000,
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CALIBRATE,
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MENU_SCREEN,
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MENU_ITEM,
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BACK,
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PAGE_UP,
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PAGE_DOWN,
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CLICK,
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RESUME_CONTINUE,
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SLIDER,
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INCREASE,
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DECREASE,
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CANCEL,
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CONFIRM,
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HEATER,
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FAN,
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FEEDRATE,
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FLOWRATE,
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UBL,
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2020-09-17 11:52:21 +00:00
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MOVE_AXIS,
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BUTTON,
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2020-07-30 06:43:19 +00:00
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};
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typedef void (*screenFunc_t)();
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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);
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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); }
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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); }
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typedef struct __attribute__((__packed__)) {
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TouchControlType type;
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uint16_t x;
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uint16_t y;
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uint16_t width;
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uint16_t height;
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int32_t data;
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} touch_control_t;
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typedef struct __attribute__((__packed__)) {
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int32_t x;
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int32_t y;
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int16_t offset_x;
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int16_t offset_y;
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uint8_t orientation;
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} touch_calibration_t;
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typedef struct __attribute__((__packed__)) {
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uint16_t x;
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uint16_t y;
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int16_t raw_x;
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int16_t raw_y;
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} touch_calibration_point_t;
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enum calibrationState : uint8_t {
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CALIBRATION_POINT_1 = 0x00,
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CALIBRATION_POINT_2,
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CALIBRATION_POINT_3,
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CALIBRATION_POINT_4,
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CALIBRATION_SUCCESS,
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CALIBRATION_FAIL,
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CALIBRATION_NONE,
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};
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#define MAX_CONTROLS 16
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#define MINIMUM_HOLD_TIME 15
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#define TOUCH_REPEAT_DELAY 75
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#define MIN_REPEAT_DELAY 25
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#define UBL_REPEAT_DELAY 125
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#define FREE_MOVE_RANGE 32
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class Touch {
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private:
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static TOUCH_DRIVER io;
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static int16_t x, y;
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2020-09-17 11:52:21 +00:00
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static bool enabled;
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2020-07-30 06:43:19 +00:00
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static touch_control_t controls[MAX_CONTROLS];
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static touch_control_t *current_control;
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static uint16_t controls_count;
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static millis_t now;
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static millis_t time_to_hold;
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static millis_t repeat_delay;
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static millis_t touch_time;
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static TouchControlType touch_control_type;
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static inline bool get_point(int16_t *x, int16_t *y);
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static void touch(touch_control_t *control);
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static void hold(touch_control_t *control, millis_t delay = 0);
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#if ENABLED(TOUCH_SCREEN_CALIBRATION)
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static calibrationState calibration_state;
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static touch_calibration_point_t calibration_points[4];
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static bool validate_precision(int32_t a, int32_t b) { return (a > b ? (100 * b) / a : (100 * a) / b) > TOUCH_SCREEN_CALIBRATION_PRECISION; }
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static bool validate_precision_x(uint8_t a, uint8_t b) { return validate_precision(calibration_points[a].raw_x, calibration_points[b].raw_x); }
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static bool validate_precision_y(uint8_t a, uint8_t b) { return validate_precision(calibration_points[a].raw_y, calibration_points[b].raw_y); }
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#endif // TOUCH_SCREEN_CALIBRATION
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public:
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static void init();
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static void reset() { controls_count = 0; touch_time = -1; current_control = NULL; }
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static void clear() { controls_count = 0; }
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static void idle();
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2020-10-16 21:19:48 +00:00
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static bool is_clicked() {
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if (touch_control_type == CLICK) {
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touch_control_type = NONE;
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return true;
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}
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return false;
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}
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2020-09-17 11:52:21 +00:00
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static void disable() { enabled = false; }
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static void enable() { enabled = true; }
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2020-07-30 06:43:19 +00:00
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static void add_control(TouchControlType type, uint16_t x, uint16_t y, uint16_t width, uint16_t height, int32_t data = 0);
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static touch_calibration_t calibration;
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static void calibration_reset() { calibration = {TOUCH_CALIBRATION_X, TOUCH_CALIBRATION_Y, TOUCH_OFFSET_X, TOUCH_OFFSET_Y, TOUCH_ORIENTATION}; }
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#if ENABLED(TOUCH_SCREEN_CALIBRATION)
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static calibrationState calibration_start() { calibration = {0, 0, 0, 0, TOUCH_ORIENTATION_NONE}; return calibration_state = CALIBRATION_POINT_1; }
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static void calibration_end() { calibration_state = CALIBRATION_NONE; }
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static calibrationState get_calibration_state() { return calibration_state; }
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#endif // TOUCH_SCREEN_CALIBRATION
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};
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extern Touch touch;
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#endif // TOUCH_SCREEN
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