mirror of https://github.com/sqfmi/Watchy.git
136 lines
5.8 KiB
C++
136 lines
5.8 KiB
C++
// class GxGDEH0154D67 : Display class for GDEH0154D67 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.e-paper-display.com/download_detail/downloadsId=806.html
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// Controller : SSD1681 : http://www.e-paper-display.com/download_detail/downloadsId=825.html
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//
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// Author : SQFMI
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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/sqfmi/GxEPD
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#ifndef _GxGDEH0154D67_H_
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#define _GxGDEH0154D67_H_
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#include <Arduino.h>
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#include <GxEPD.h>
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// the physical number of pixels (for controller parameter)
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#define GxGDEH0154D67_X_PIXELS 200
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#define GxGDEH0154D67_Y_PIXELS 200
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#define GxGDEH0154D67_WIDTH GxGDEH0154D67_X_PIXELS
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#define GxGDEH0154D67_HEIGHT GxGDEH0154D67_Y_PIXELS
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#define GxGDEH0154D67_BUFFER_SIZE (uint32_t(GxGDEH0154D67_WIDTH) * uint32_t(GxGDEH0154D67_HEIGHT) / 8)
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// divisor for AVR, should be factor of GxGDEH0154D67_HEIGHT
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#define GxGDEH0154D67_PAGES 5
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#define GxGDEH0154D67_PAGE_HEIGHT (GxGDEH0154D67_HEIGHT / GxGDEH0154D67_PAGES)
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#define GxGDEH0154D67_PAGE_SIZE (GxGDEH0154D67_BUFFER_SIZE / GxGDEH0154D67_PAGES)
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class GxGDEH0154D67 : public GxEPD
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{
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public:
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#if defined(ESP8266)
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//GxGDEH0154D67(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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GxGDEH0154D67(GxIO& io, int8_t rst = 2, int8_t busy = 4);
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#else
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GxGDEH0154D67(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
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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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void deepSleep();
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// paged drawing, for limited RAM, drawCallback() is called GxGDEH0154D67_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 = 0x01);
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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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void _writeData(uint8_t data);
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void _writeCommand(uint8_t command);
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void _writeCommandData(const uint8_t* pCommandData, uint8_t datalen);
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void _SetRamPointer(uint8_t addrX, uint8_t addrY, uint8_t addrY1);
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void _SetRamArea(uint8_t Xstart, uint8_t Xend, uint8_t Ystart, uint8_t Ystart1, uint8_t Yend, uint8_t Yend1);
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void _PowerOn(void);
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void _PowerOff(void);
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void _waitWhileBusy(const char* comment, uint16_t busy_time);
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void _setRamDataEntryMode(uint8_t em);
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void _InitDisplay(uint8_t em);
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void _Init_Full(uint8_t em);
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void _Init_Part(uint8_t em);
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void _Update_Full(void);
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void _Update_Part(void);
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void _rotate(uint16_t& x, uint16_t& y, uint16_t& w, uint16_t& h);
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protected:
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#if defined(__AVR)
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uint8_t _buffer[GxGDEH0154D67_PAGE_SIZE];
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#else
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uint8_t _buffer[GxGDEH0154D67_BUFFER_SIZE];
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#endif
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private:
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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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static const uint16_t power_on_time = 80; // ms, e.g. 73508us
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static const uint16_t power_off_time = 80; // ms, e.g. 68982us
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static const uint16_t full_refresh_time = 4200; // ms, e.g. 1113273us
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static const uint16_t partial_refresh_time = 300; // ms, e.g. 290867us
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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 GxGDEH0154D67
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#define GxEPD_WIDTH GxGDEH0154D67_WIDTH
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#define GxEPD_HEIGHT GxGDEH0154D67_HEIGHT
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#define GxEPD_BitmapExamples <GxGDEH0154D67/BitmapExamples.h>
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#define GxEPD_BitmapExamplesQ "GxGDEH0154D67/BitmapExamples.h"
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#endif
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#endif
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