mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-12-13 14:01:52 +00:00
139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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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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#include "../../inc/MarlinConfig.h"
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#if HAS_TOUCH_BUTTONS
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#include "touch_buttons.h"
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#include "../scaled_tft.h"
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#if ENABLED(TFT_TOUCH_DEVICE_GT911)
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#include HAL_PATH(../../HAL, tft/gt911.h)
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GT911 touchIO;
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#elif ENABLED(TFT_TOUCH_DEVICE_XPT2046)
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#include HAL_PATH(../../HAL, tft/xpt2046.h)
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XPT2046 touchIO;
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#else
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#error "Unknown Touch Screen Type."
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#endif
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#if ENABLED(TOUCH_SCREEN_CALIBRATION)
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#include "../tft_io/touch_calibration.h"
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#endif
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#if HAS_TOUCH_SLEEP
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millis_t TouchButtons::next_sleep_ms;
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#endif
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#include "../buttons.h" // For EN_C bit mask
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#include "../marlinui.h" // For ui.refresh
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#include "../tft_io/tft_io.h"
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#define DOGM_AREA_LEFT TFT_PIXEL_OFFSET_X
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#define DOGM_AREA_TOP TFT_PIXEL_OFFSET_Y
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#define DOGM_AREA_WIDTH (GRAPHICAL_TFT_UPSCALE) * (LCD_PIXEL_WIDTH)
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#define DOGM_AREA_HEIGHT (GRAPHICAL_TFT_UPSCALE) * (LCD_PIXEL_HEIGHT)
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#define BUTTON_AREA_TOP BUTTON_Y_LO
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#define BUTTON_AREA_BOT BUTTON_Y_HI
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TouchButtons touchBt;
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void TouchButtons::init() {
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touchIO.Init();
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TERN_(HAS_TOUCH_SLEEP, next_sleep_ms = millis() + SEC_TO_MS(TOUCH_IDLE_SLEEP));
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}
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uint8_t TouchButtons::read_buttons() {
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#ifdef HAS_WIRED_LCD
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int16_t x, y;
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const bool is_touched = (TERN(TOUCH_SCREEN_CALIBRATION, touch_calibration.calibration.orientation, TOUCH_ORIENTATION) == TOUCH_PORTRAIT ? touchIO.getRawPoint(&y, &x) : touchIO.getRawPoint(&x, &y));
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#if HAS_TOUCH_SLEEP
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if (is_touched)
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wakeUp();
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else if (!isSleeping() && ELAPSED(millis(), next_sleep_ms) && ui.on_status_screen())
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sleepTimeout();
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#endif
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if (!is_touched) return 0;
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#if ENABLED(TOUCH_SCREEN_CALIBRATION)
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const calibrationState state = touch_calibration.get_calibration_state();
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if (WITHIN(state, CALIBRATION_TOP_LEFT, CALIBRATION_BOTTOM_RIGHT)) {
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if (touch_calibration.handleTouch(x, y)) ui.refresh();
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return 0;
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}
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x = int16_t((int32_t(x) * touch_calibration.calibration.x) >> 16) + touch_calibration.calibration.offset_x;
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y = int16_t((int32_t(y) * touch_calibration.calibration.y) >> 16) + touch_calibration.calibration.offset_y;
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#else
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x = uint16_t((uint32_t(x) * TOUCH_CALIBRATION_X) >> 16) + TOUCH_OFFSET_X;
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y = uint16_t((uint32_t(y) * TOUCH_CALIBRATION_Y) >> 16) + TOUCH_OFFSET_Y;
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#endif
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// Touch within the button area simulates an encoder button
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if (y > BUTTON_AREA_TOP && y < BUTTON_AREA_BOT)
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return WITHIN(x, BUTTOND_X_LO, BUTTOND_X_HI) ? EN_D
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: WITHIN(x, BUTTONA_X_LO, BUTTONA_X_HI) ? EN_A
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: WITHIN(x, BUTTONB_X_LO, BUTTONB_X_HI) ? EN_B
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: WITHIN(x, BUTTONC_X_LO, BUTTONC_X_HI) ? EN_C
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: 0;
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if ( !WITHIN(x, DOGM_AREA_LEFT, DOGM_AREA_LEFT + DOGM_AREA_WIDTH)
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|| !WITHIN(y, DOGM_AREA_TOP, DOGM_AREA_TOP + DOGM_AREA_HEIGHT)
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) return 0;
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// Column and row above BUTTON_AREA_TOP
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int8_t col = (x - (DOGM_AREA_LEFT)) * (LCD_WIDTH) / (DOGM_AREA_WIDTH),
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row = (y - (DOGM_AREA_TOP)) * (LCD_HEIGHT) / (DOGM_AREA_HEIGHT);
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// Send the touch to the UI (which will simulate the encoder wheel)
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MarlinUI::screen_click(row, col, x, y);
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#endif
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return 0;
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}
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#if HAS_TOUCH_SLEEP
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void TouchButtons::sleepTimeout() {
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#if HAS_LCD_BRIGHTNESS
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ui.set_brightness(0);
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#elif PIN_EXISTS(TFT_BACKLIGHT)
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WRITE(TFT_BACKLIGHT_PIN, LOW);
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#endif
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next_sleep_ms = TSLP_SLEEPING;
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}
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void TouchButtons::wakeUp() {
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if (isSleeping()) {
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#if HAS_LCD_BRIGHTNESS
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ui.set_brightness(ui.brightness);
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#elif PIN_EXISTS(TFT_BACKLIGHT)
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WRITE(TFT_BACKLIGHT_PIN, HIGH);
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#endif
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}
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next_sleep_ms = millis() + SEC_TO_MS(TOUCH_IDLE_SLEEP);
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}
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#endif // HAS_TOUCH_SLEEP
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#endif // HAS_TOUCH_BUTTONS
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