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- /**
- * 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 <http://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- #include <stdint.h>
-
- // Relies on XPT2046-compatible mode of ADS7843,
- // hence no Z1 / Z2 measurements are possible.
-
- #define XPT2046_DFR_MODE 0x00
- #define XPT2046_SER_MODE 0x04
- #define XPT2046_CONTROL 0x80
-
- enum XPTCoordinate : uint8_t {
- XPT2046_X = 0x10,
- XPT2046_Y = 0x50,
- XPT2046_Z1 = 0x30,
- XPT2046_Z2 = 0x40
- };
-
- #ifndef XPT2046_Z1_THRESHOLD
- #define XPT2046_Z1_THRESHOLD 10
- #endif
-
- class XPT2046 {
- public:
- static void init();
- static uint8_t read_buttons();
- bool getTouchPoint(uint16_t &x, uint16_t &y);
- static bool isTouched();
- inline void waitForRelease() { while (isTouched()) { /* nada */ } }
- inline void waitForTouch(uint16_t &x, uint16_t &y) { while (!getTouchPoint(x, y)) { /* nada */ } }
- private:
- static uint16_t getInTouch(const XPTCoordinate coordinate);
- };
-
- extern XPT2046 touch;
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