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119 lines
5.4 KiB
C++
119 lines
5.4 KiB
C++
// class GxGDEW042Z15 : Display class for GDEW042Z15 e-Paper from Dalian Good Display Co., Ltd.: www.good-display.com
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//
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// based on Demo Example from Good Display, available here: http://www.good-display.com/download_detail/downloadsId=515.html
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// Controller: IL0398 : http://www.good-display.com/download_detail/downloadsId=537.html
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//
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// Author : J-M Zingg
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//
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// Version : see library.properties
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//
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// License: GNU GENERAL PUBLIC LICENSE V3, see LICENSE
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//
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// Library: https://github.com/ZinggJM/GxEPD
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#ifndef _GxGDEW042Z15_H_
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#define _GxGDEW042Z15_H_
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#include "GxEPD.h"
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#define GxGDEW042Z15_WIDTH 400
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#define GxGDEW042Z15_HEIGHT 300
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#define GxGDEW042Z15_BUFFER_SIZE (uint32_t(GxGDEW042Z15_WIDTH) * uint32_t(GxGDEW042Z15_HEIGHT) / 8)
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// divisor for AVR, should be factor of GxGDEW042Z15_HEIGHT
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#define GxGDEW042Z15_PAGES 30
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#define GxGDEW042Z15_PAGE_HEIGHT (GxGDEW042Z15_HEIGHT / GxGDEW042Z15_PAGES)
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#define GxGDEW042Z15_PAGE_SIZE (GxGDEW042Z15_BUFFER_SIZE / GxGDEW042Z15_PAGES)
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class GxGDEW042Z15 : public GxEPD
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{
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public:
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#if defined(ESP8266)
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//GxGDEW042Z15(GxIO& io, int8_t rst = D4, int8_t busy = D2);
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// use pin numbers, other ESP8266 than Wemos may not use Dx names
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GxGDEW042Z15(GxIO& io, int8_t rst = 2, int8_t busy = 4);
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#else
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GxGDEW042Z15(GxIO& io, int8_t rst = 9, int8_t busy = 7);
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#endif
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void drawPixel(int16_t x, int16_t y, uint16_t color);
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void init(uint32_t serial_diag_bitrate = 0); // = 0 : disabled
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void fillScreen(uint16_t color); // 0x0 black, >0x0 white, to buffer
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void update(void);
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// to buffer, may be cropped, drawPixel() used, update needed
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void drawBitmap(const uint8_t *bitmap, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color, int16_t mode = bm_normal);
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// to full screen, filled with white if size is less, no update needed, black /white / red, for example bitmaps
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void drawExamplePicture(const uint8_t* black_bitmap, const uint8_t* red_bitmap, uint32_t black_size, uint32_t red_size);
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// to full screen, filled with white if size is less, no update needed, black /white / red, general version
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void drawPicture(const uint8_t* black_bitmap, const uint8_t* red_bitmap, uint32_t black_size, uint32_t red_size, int16_t mode = bm_normal);
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// to full screen, filled with white if size is less, no update needed
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void drawBitmap(const uint8_t *bitmap, uint32_t size, int16_t mode = bm_normal); // only bm_normal, bm_invert, bm_partial_update modes implemented
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void eraseDisplay(bool using_partial_update = false);
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// partial update of rectangle from buffer to screen, does not power off
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void updateWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h, bool using_rotation = true);
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// partial update of rectangle at (xs,ys) from buffer to screen at (xd,yd), does not power off
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void updateToWindow(uint16_t xs, uint16_t ys, uint16_t xd, uint16_t yd, uint16_t w, uint16_t h, bool using_rotation = true);
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// terminate cleanly updateWindow or updateToWindow before removing power or long delays
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void powerDown();
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// paged drawing, for limited RAM, drawCallback() is called GxGDEW042Z15_PAGES times
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// each call of drawCallback() should draw the same
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void drawPaged(void (*drawCallback)(void));
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void drawPaged(void (*drawCallback)(uint32_t), uint32_t);
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void drawPaged(void (*drawCallback)(const void*), const void*);
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void drawPaged(void (*drawCallback)(const void*, const void*), const void*, const void*);
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// paged drawing to screen rectangle at (x,y) using partial update
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void drawPagedToWindow(void (*drawCallback)(void), uint16_t x, uint16_t y, uint16_t w, uint16_t h);
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void drawPagedToWindow(void (*drawCallback)(uint32_t), uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t);
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void drawPagedToWindow(void (*drawCallback)(const void*), uint16_t x, uint16_t y, uint16_t w, uint16_t h, const void*);
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void drawPagedToWindow(void (*drawCallback)(const void*, const void*), uint16_t x, uint16_t y, uint16_t w, uint16_t h, const void*, const void*);
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void drawCornerTest(uint8_t em = 0);
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private:
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template <typename T> static inline void
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swap(T& a, T& b)
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{
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T t = a;
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a = b;
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b = t;
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}
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void _writeToWindow(uint16_t xs, uint16_t ys, uint16_t xd, uint16_t yd, uint16_t w, uint16_t h);
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uint16_t _setPartialRamArea(uint16_t x, uint16_t y, uint16_t xe, uint16_t ye);
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void _wakeUp();
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void _sleep(void);
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void _waitWhileBusy(const char* comment = 0);
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void _rotate(uint16_t& x, uint16_t& y, uint16_t& w, uint16_t& h);
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private:
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#if defined(__AVR)
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uint8_t _black_buffer[GxGDEW042Z15_PAGE_SIZE];
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uint8_t _red_buffer[GxGDEW042Z15_PAGE_SIZE];
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#else
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uint8_t _black_buffer[GxGDEW042Z15_BUFFER_SIZE];
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uint8_t _red_buffer[GxGDEW042Z15_BUFFER_SIZE];
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#endif
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GxIO& IO;
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int16_t _current_page;
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bool _using_partial_mode;
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bool _diag_enabled;
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int8_t _rst;
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int8_t _busy;
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#if defined(ESP8266) || defined(ESP32)
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public:
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// the compiler of these packages has a problem with signature matching to base classes
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void drawBitmap(int16_t x, int16_t y, const uint8_t bitmap[], int16_t w, int16_t h, uint16_t color)
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{
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Adafruit_GFX::drawBitmap(x, y, bitmap, w, h, color);
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};
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#endif
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};
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#ifndef GxEPD_Class
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#define GxEPD_Class GxGDEW042Z15
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#define GxEPD_WIDTH GxGDEW042Z15_WIDTH
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#define GxEPD_HEIGHT GxGDEW042Z15_HEIGHT
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#define GxEPD_BitmapExamples <GxGDEW042Z15/BitmapExamples.h>
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#define GxEPD_BitmapExamplesQ "GxGDEW042Z15/BitmapExamples.h"
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#endif
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#endif
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