From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/lcd/touch/touch_buttons.cpp | 92 ++++++++++++++++++++++++++++++++++
Marlin/src/lcd/touch/touch_buttons.h | 59 ++++++++++++++++++++++
2 files changed, 151 insertions(+)
create mode 100644 Marlin/src/lcd/touch/touch_buttons.cpp
create mode 100644 Marlin/src/lcd/touch/touch_buttons.h
(limited to 'Marlin/src/lcd/touch')
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 .
+ *
+ */
+
+#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 .
+ *
+ */
+#pragma once
+
+#include
+
+#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;
--
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