diff options
Diffstat (limited to 'Marlin/src/lcd/touch')
| -rw-r--r-- | Marlin/src/lcd/touch/touch_buttons.cpp | 92 | ||||
| -rw-r--r-- | Marlin/src/lcd/touch/touch_buttons.h | 59 |
2 files changed, 151 insertions, 0 deletions
diff --git a/Marlin/src/lcd/touch/touch_buttons.cpp b/Marlin/src/lcd/touch/touch_buttons.cpp new file mode 100644 index 0000000..975de58 --- /dev/null +++ b/Marlin/src/lcd/touch/touch_buttons.cpp @@ -0,0 +1,92 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 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/>. + * + */ + +#include "../../inc/MarlinConfig.h" + +#if HAS_TOUCH_BUTTONS + +#include "touch_buttons.h" +#include "../scaled_tft.h" + +#include HAL_PATH(../../HAL, tft/xpt2046.h) +XPT2046 touchIO; + +#if ENABLED(TOUCH_SCREEN_CALIBRATION) + #include "../tft_io/touch_calibration.h" +#endif + +#include "../buttons.h" // For EN_C bit mask +#include "../marlinui.h" // For ui.refresh +#include "../tft_io/tft_io.h" + +#define DOGM_AREA_LEFT TFT_PIXEL_OFFSET_X +#define DOGM_AREA_TOP TFT_PIXEL_OFFSET_Y +#define DOGM_AREA_WIDTH (GRAPHICAL_TFT_UPSCALE) * (LCD_PIXEL_WIDTH) +#define DOGM_AREA_HEIGHT (GRAPHICAL_TFT_UPSCALE) * (LCD_PIXEL_HEIGHT) + +#define BUTTON_AREA_TOP BUTTON_Y_LO +#define BUTTON_AREA_BOT BUTTON_Y_HI + +TouchButtons touch; + +void TouchButtons::init() { touchIO.Init(); } + +uint8_t TouchButtons::read_buttons() { + #ifdef HAS_WIRED_LCD + int16_t x, y; + + const bool is_touched = (TERN(TOUCH_SCREEN_CALIBRATION, touch_calibration.calibration.orientation, TOUCH_ORIENTATION) == TOUCH_PORTRAIT ? touchIO.getRawPoint(&y, &x) : touchIO.getRawPoint(&x, &y)); + if (!is_touched) return 0; + + #if ENABLED(TOUCH_SCREEN_CALIBRATION) + const calibrationState state = touch_calibration.get_calibration_state(); + if (state >= CALIBRATION_TOP_LEFT && state <= CALIBRATION_BOTTOM_RIGHT) { + if (touch_calibration.handleTouch(x, y)) ui.refresh(); + return 0; + } + x = int16_t((int32_t(x) * touch_calibration.calibration.x) >> 16) + touch_calibration.calibration.offset_x; + y = int16_t((int32_t(y) * touch_calibration.calibration.y) >> 16) + touch_calibration.calibration.offset_y; + #else + x = uint16_t((uint32_t(x) * TOUCH_CALIBRATION_X) >> 16) + TOUCH_OFFSET_X; + y = uint16_t((uint32_t(y) * TOUCH_CALIBRATION_Y) >> 16) + TOUCH_OFFSET_Y; + #endif + + // Touch within the button area simulates an encoder button + if (y > BUTTON_AREA_TOP && y < BUTTON_AREA_BOT) + return WITHIN(x, BUTTOND_X_LO, BUTTOND_X_HI) ? EN_D + : WITHIN(x, BUTTONA_X_LO, BUTTONA_X_HI) ? EN_A + : WITHIN(x, BUTTONB_X_LO, BUTTONB_X_HI) ? EN_B + : WITHIN(x, BUTTONC_X_LO, BUTTONC_X_HI) ? EN_C + : 0; + + if ( !WITHIN(x, DOGM_AREA_LEFT, DOGM_AREA_LEFT + DOGM_AREA_WIDTH) + || !WITHIN(y, DOGM_AREA_TOP, DOGM_AREA_TOP + DOGM_AREA_HEIGHT) + ) return 0; + + // Column and row above BUTTON_AREA_TOP + int8_t col = (x - (DOGM_AREA_LEFT)) * (LCD_WIDTH) / (DOGM_AREA_WIDTH), + row = (y - (DOGM_AREA_TOP)) * (LCD_HEIGHT) / (DOGM_AREA_HEIGHT); + + // Send the touch to the UI (which will simulate the encoder wheel) + MarlinUI::screen_click(row, col, x, y); + #endif + return 0; +} + +#endif // HAS_TOUCH_BUTTONS diff --git a/Marlin/src/lcd/touch/touch_buttons.h b/Marlin/src/lcd/touch/touch_buttons.h new file mode 100644 index 0000000..a79bb15 --- /dev/null +++ b/Marlin/src/lcd/touch/touch_buttons.h @@ -0,0 +1,59 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 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 <stdint.h> + +#include "../../inc/MarlinConfig.h" +#include "../scaled_tft.h" + +#define UPSCALE0(M) ((M) * (GRAPHICAL_TFT_UPSCALE)) +#define UPSCALE(A,M) (UPSCALE0(M) + (A)) + +#define BUTTON_DRAW_WIDTH 32 +#define BUTTON_DRAW_HEIGHT 20 + +#define BUTTON_WIDTH UPSCALE0(BUTTON_DRAW_WIDTH) +#define BUTTON_HEIGHT UPSCALE0(BUTTON_DRAW_HEIGHT) + +// calc the space between buttons +#define BUTTON_SPACING (((TFT_WIDTH) - (BUTTON_WIDTH * 4)) / 5) + +#define BUTTOND_X_LO BUTTON_SPACING +#define BUTTOND_X_HI BUTTOND_X_LO + BUTTON_WIDTH - 1 + +#define BUTTONA_X_LO BUTTOND_X_HI + BUTTON_SPACING +#define BUTTONA_X_HI BUTTONA_X_LO + BUTTON_WIDTH - 1 + +#define BUTTONB_X_LO BUTTONA_X_HI + BUTTON_SPACING +#define BUTTONB_X_HI BUTTONB_X_LO + BUTTON_WIDTH - 1 + +#define BUTTONC_X_LO BUTTONB_X_HI + BUTTON_SPACING +#define BUTTONC_X_HI BUTTONC_X_LO + BUTTON_WIDTH - 1 + +#define BUTTON_Y_HI (TFT_HEIGHT) - BUTTON_SPACING +#define BUTTON_Y_LO BUTTON_Y_HI - BUTTON_HEIGHT + +class TouchButtons { +public: + static void init(); + static uint8_t read_buttons(); +}; + +extern TouchButtons touch; |