/** * 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 . * */ #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, intptr_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, (intptr_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; intptr_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 last_touch_ms, time_to_hold, repeat_delay, 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 = 0; current_control = NULL; } static void clear() { controls_count = 0; } static void idle(); static bool is_clicked() { if (touch_control_type == CLICK) { touch_control_type = NONE; return true; } return false; } 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, intptr_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