DESKTOP-PUHFO60\dsx2016
024fcd8628
Use hexeguitar CYD28 SoftSPI (frees VSPI for SD), Random Nerd Tutorials 240x320 feed for LVGL ROTATION_270, and direct UI hit-test for REC/PLAY. Co-authored-by: Cursor <cursoragent@cursor.com>
87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
/* Touchscreen library for XPT2046 Touch Controller Chip
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* Copyright (c) 2015, Paul Stoffregen, paul@pjrc.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice, development funding notice, and this permission
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* notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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* ----------------------- CYD28 (2.8" cheap yellow display) version --------------------------
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* using software bit banged SPI and fixed GPIOs + manual calibration
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* 08.2023 - Piotr Zapart www.hexefx.com
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*
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*/
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#ifndef _CYD28_TOUCHSCREENR_H_
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#define _CYD28_TOUCHSCREENR_H_
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#include <Arduino.h>
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#define CYD28_TouchR_Z_THRESH 300
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#define CYD28_TouchR_Z_THRES_INT 75
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#define CYD28_TouchR_IRQ 36
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#define CYD28_TouchR_MOSI 32
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#define CYD28_TouchR_MISO 39
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#define CYD28_TouchR_CLK 25
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#define CYD28_TouchR_CS 33
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// CALIBRAION VALUES
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#define CYD28_TouchR_CAL_XMIN 185
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#define CYD28_TouchR_CAL_XMAX 3700
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#define CYD28_TouchR_CAL_YMIN 280
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#define CYD28_TouchR_CAL_YMAX 3850
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class CYD28_TS_Point {
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public:
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CYD28_TS_Point(void) : x(0), y(0), z(0) {}
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CYD28_TS_Point(int16_t x, int16_t y, int16_t z) : x(x), y(y), z(z) {}
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bool operator==(CYD28_TS_Point p) { return ((p.x == x) && (p.y == y) && (p.z == z)); }
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bool operator!=(CYD28_TS_Point p) { return ((p.x != x) || (p.y != y) || (p.z != z)); }
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int16_t x, y, z;
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};
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class CYD28_TouchR {
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public:
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constexpr CYD28_TouchR(int32_t w, int32_t h)
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: _delay(20), sizeX_px(w), sizeY_px(h){ }
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bool begin();
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CYD28_TS_Point getPointScaled();
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CYD28_TS_Point getPointRaw();
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bool touched();
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void readData(uint16_t *x, uint16_t *y, uint8_t *z);
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void setRotation(uint8_t n) { rotation = n % 4; }
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void setThreshold(uint16_t th) { threshold = th;}
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volatile bool isrWake=true;
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private:
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void update();
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uint8_t transfer(uint8_t);
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uint16_t transfer16(uint16_t data);
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void wait(uint_fast8_t del);
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void convertRawXY(int16_t *x, int16_t *y);
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uint8_t rotation=1;
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int16_t xraw=0, yraw=0, zraw=0;
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uint16_t threshold = CYD28_TouchR_Z_THRESH;
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uint32_t msraw=0x80000000;
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uint8_t _delay;
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const int32_t sizeX_px;
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const int32_t sizeY_px;
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};
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#endif
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