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Version 1.3.0
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- added support for GDEM029T94 128x296 b/w e-paper panel
- added support for GDEW026M01 152x296 b/w new DES e-paper panel
- the new GDEW026M01 DES b/w e-paper panel has higher contrast and wide temperature range
- differential refresh (fast partial update) is supported for normal temperature range
- disable differential refresh for extended temperatures by setting hasFastPartialUpdate = false;
- the differential waveform table for GDEW026M01 is experimental and may need improvement
- major update of display selection in the examples to make additions easier:
- old style selection is now in separate include files GxEPD2_display_selection.h
- and GxEPD2_display_selection_added.h
- added new style display selection in include file GxEPD2_display_selection_new_style.h
- either selection style can be used. old style is intended for easy copying of constructor lines.
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ZinggJM committed Jan 21, 2021
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16 changes: 15 additions & 1 deletion README.md
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- GDEW0213Z16 2.13" b/w/r
- GDEH029A1 2.9" b/w
- GDEW029T5 2.9" b/w
- GDEM029T94 2.9" b/w
- GDEW029M06 2.9" b/w DES
- GDEW029Z10 2.9" b/w/r
- GDEW026T0 2.6" b/w
- GDEW026M01 2.6" b/w DES
- GDEW027C44 2.7" b/w/r
- GDEW027W3 2.7" b/w
- GDEW0371W7 3.7" b/w
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- promotion panels from suppliers are welcome, to add support to GxEPD2
- donation panels from users are welcome, to add support to GxEPD2

### Version 1.2.16
### Version 1.3.0
- added support for GDEM029T94 128x296 b/w e-paper panel
- added support for GDEW026M01 152x296 b/w new DES e-paper panel
- the new GDEW026M01 DES b/w e-paper panel has higher contrast and wide temperature range
- differential refresh (fast partial update) is supported for normal temperature range
- disable differential refresh for extended temperatures by setting hasFastPartialUpdate = false;
- the differential waveform table for GDEW026M01 is experimental and may need improvement
- major update of display selection in the examples to make additions easier:
- old style selection is now in separate include files GxEPD2_display_selection.h
- and GxEPD2_display_selection_added.h
- added new style display selection in include file GxEPD2_display_selection_new_style.h
- either selection style can be used. old style is intended for easy copying of constructor lines.
#### Version 1.2.16
- fix for GDEH0154D67, to work independent of OTP version (ping-pong issue)
#### Version 1.2.15
- added support for GDEW0213M21 2.13" 104x212 b/w new DES e-paper panel
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324 changes: 7 additions & 317 deletions examples/GxEPD2_Example/GxEPD2_Example.ino
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180 changes: 96 additions & 84 deletions ..._HelloWorld/GxEPD2_constructor_examples.h → ...GxEPD2_Example/GxEPD2_display_selection.h
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0 ...ples/GxEPD2_Example/GxEPD2_boards_added.h → ..._Example/GxEPD2_display_selection_added.h
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// Display Library example for SPI e-paper panels from Dalian Good Display and boards from Waveshare.
// Requires HW SPI and Adafruit_GFX. Caution: the e-paper panels require 3.3V supply AND data lines!
//
// Display Library based on Demo Example from Good Display: http://www.e-paper-display.com/download_list/downloadcategoryid=34&isMode=false.html
//
// Author: Jean-Marc Zingg
//
// Version: see library.properties
//
// Library: https://github.com/ZinggJM/GxEPD2

// Supporting Arduino Forum Topics:
// Waveshare e-paper displays with SPI: http://forum.arduino.cc/index.php?topic=487007.0
// Good Display ePaper for Arduino: https://forum.arduino.cc/index.php?topic=436411.0

// select the display class (only one), matching the kind of display panel
#define GxEPD2_DISPLAY_CLASS GxEPD2_BW
//#define GxEPD2_DISPLAY_CLASS GxEPD2_3C
//#define GxEPD2_DISPLAY_CLASS GxEPD2_7C

// select the display driver class (only one) for your panel
//#define GxEPD2_DRIVER_CLASS GxEPD2_154 // GDEP015OC1 200x200, no longer available
//#define GxEPD2_DRIVER_CLASS GxEPD2_154_D67 // GDEH0154D67 200x200
//#define GxEPD2_DRIVER_CLASS GxEPD2_154_T8 // GDEW0154T8 152x152
//#define GxEPD2_DRIVER_CLASS GxEPD2_154_M09 // GDEW0154M09 200x200
//#define GxEPD2_DRIVER_CLASS GxEPD2_154_M10 // GDEW0154M10 152x152
//#define GxEPD2_DRIVER_CLASS GxEPD2_213 // GDE0213B1 128x250, phased out
//#define GxEPD2_DRIVER_CLASS GxEPD2_213_B72 // GDEH0213B72 128x250
//#define GxEPD2_DRIVER_CLASS GxEPD2_213_B73 // GDEH0213B73 128x250
//#define GxEPD2_DRIVER_CLASS GxEPD2_213_flex // GDEW0213I5F 128x250
//#define GxEPD2_DRIVER_CLASS GxEPD2_213_M21 // GDEW0213M21 128x250
//#define GxEPD2_DRIVER_CLASS GxEPD2_290 // GDEH029A1 128x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T5 // GDEW029T5 128x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_290_T94 // GDEM029T94 128x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_290_M06 // GDEW029M06 128x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_260 // GDEW026T0 152x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_260_M01 // GDEW026M01 152x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_270 // GDEW027W3 176x264
//#define GxEPD2_DRIVER_CLASS GxEPD2_371 // GDEW0371W7 240x416
//#define GxEPD2_DRIVER_CLASS GxEPD2_420 // GDEW042T2 400x300
//#define GxEPD2_DRIVER_CLASS GxEPD2_420_M01 // GDEW042M01 400x300
//#define GxEPD2_DRIVER_CLASS GxEPD2_583 // GDEW0583T7 600x448
//#define GxEPD2_DRIVER_CLASS GxEPD2_583_T8 // GDEW0583T8 648x480
//#define GxEPD2_DRIVER_CLASS GxEPD2_750 // GDEW075T8 640x384
//#define GxEPD2_DRIVER_CLASS GxEPD2_750_T7 // GDEW075T7 800x480
// 3-color e-papers
//#define GxEPD2_DRIVER_CLASS GxEPD2_154c // GDEW0154Z04 200x200, no longer available
//#define GxEPD2_DRIVER_CLASS GxEPD2_154_Z90c // GDEH0154Z90 200x200
//#define GxEPD2_DRIVER_CLASS GxEPD2_213c // GDEW0213Z16 104x212
//#define GxEPD2_DRIVER_CLASS GxEPD2_290c // GDEW029Z10 128x296
//#define GxEPD2_DRIVER_CLASS GxEPD2_270c // GDEW027C44 176x264
//#define GxEPD2_DRIVER_CLASS GxEPD2_420c // GDEW042Z15 400x300
//#define GxEPD2_DRIVER_CLASS GxEPD2_583c // GDEW0583Z21 600x448
//#define GxEPD2_DRIVER_CLASS GxEPD2_750c // GDEW075Z09 600x384
//#define GxEPD2_DRIVER_CLASS GxEPD2_750c_Z08 // GDEW075Z08 800x480
//#define GxEPD2_DRIVER_CLASS GxEPD2_750c_Z90 // GDEH075Z90 880x528
//#define GxEPD2_DRIVER_CLASS GxEPD2_1248 // GDEW1248T3 1303x984
// 7-color e-paper
//#define GxEPD2_DRIVER_CLASS GxEPD2_565c // Waveshare 5.65" 7-color (3C graphics)
// grey levels parallel IF e-papers on Waveshare e-Paper IT8951 Driver HAT
//#define GxEPD2_DRIVER_CLASS GxEPD2_it60 // ED060SCT 800x600
//#define GxEPD2_DRIVER_CLASS GxEPD2_it60_1448x1072 // ED060KC1 1448x1072

// SS is usually used for CS. define here for easy change
#ifndef EPD_CS
#define EPD_CS SS
#endif

#if defined(GxEPD2_DISPLAY_CLASS) && defined(GxEPD2_DRIVER_CLASS)

#if defined (ESP8266)
#define MAX_DISPLAY_BUFFER_SIZE (81920ul-34000ul-5000ul) // ~34000 base use, change 5000 to your application use
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=D8*/ EPD_CS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4));
// mapping of Waveshare e-Paper ESP8266 Driver Board, new version
//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=15*/ EPD_CS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5));
// mapping of Waveshare e-Paper ESP8266 Driver Board, old version
//GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=15*/ EPD_CS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16));
#endif

#if defined(ESP32)
#define MAX_DISPLAY_BUFFER_SIZE 65536ul // e.g.
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
#if (GxEPD2_DRIVER_CLASS != GxEPD2_1248)
#if defined(ARDUINO_LOLIN_D32_PRO)
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15));
#elif defined(ARDUINO_ESP32_DEV) // e.g. TTGO T8 ESP32-WROVER
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4));
#else
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=5*/ EPD_CS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4));
#endif
#else // GxEPD2_1248
// Waveshare 12.48 b/w SPI display board and frame or Good Display 12.48 b/w panel GDEW1248T3
// general constructor for use with all parameters, e.g. for Waveshare ESP32 driver board mounted on connection board
GxEPD2_BW < GxEPD2_1248, GxEPD2_1248::HEIGHT / 4 > display(GxEPD2_1248(/*sck=*/ 13, /*miso=*/ 12, /*mosi=*/ 14,
/*cs_m1=*/ 23, /*cs_s1=*/ 22, /*cs_m2=*/ 16, /*cs_s2=*/ 19,
/*dc1=*/ 25, /*dc2=*/ 17, /*rst1=*/ 33, /*rst2=*/ 5,
/*busy_m1=*/ 32, /*busy_s1=*/ 26, /*busy_m2=*/ 18, /*busy_s2=*/ 4));
#endif
#endif

// can't use package "STMF1 Boards (STM32Duino.com)" (Roger Clark) anymore with Adafruit_GFX, use "STM32 Boards (selected from submenu)" (STMicroelectronics)
#if defined(ARDUINO_ARCH_STM32)
#define MAX_DISPLAY_BUFFER_SIZE 15000ul // ~15k is a good compromise
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=4*/ EPD_CS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1));
#endif

#if defined(__AVR)
#if defined (ARDUINO_AVR_MEGA2560)
#define MAX_DISPLAY_BUFFER_SIZE 5000 // e.g. full height for 200x200
#else
#define MAX_DISPLAY_BUFFER_SIZE 800 //
#endif
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=10*/ EPD_CS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
#endif

#if defined(ARDUINO_ARCH_SAM)
#define MAX_DISPLAY_BUFFER_SIZE 32768ul // e.g., up to 96k
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=77*/ EPD_CS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
#endif

#if defined(ARDUINO_ARCH_SAMD)
#define MAX_DISPLAY_BUFFER_SIZE 15000ul // ~15k is a good compromise
#if GxEPD2_DISPLAY_CLASS == GxEPD2_BW
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_3C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
#elif GxEPD2_DISPLAY_CLASS == GxEPD2_7C
#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
#endif
// adapt the constructor parameters to your wiring
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5));
#endif

#endif
71 changes: 71 additions & 0 deletions examples/GxEPD2_Example/GxEPD2_wiring_examples.h
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// Display Library example for SPI e-paper panels from Dalian Good Display and boards from Waveshare.
// Requires HW SPI and Adafruit_GFX. Caution: the e-paper panels require 3.3V supply AND data lines!
//
// Display Library based on Demo Example from Good Display: http://www.e-paper-display.com/download_list/downloadcategoryid=34&isMode=false.html
//
// Author: Jean-Marc Zingg
//
// Version: see library.properties
//
// Library: https://github.com/ZinggJM/GxEPD2

// Supporting Arduino Forum Topics:
// Waveshare e-paper displays with SPI: http://forum.arduino.cc/index.php?topic=487007.0
// Good Display ePaper for Arduino: https://forum.arduino.cc/index.php?topic=436411.0

// mapping suggestion from Waveshare SPI e-Paper to Wemos D1 mini
// BUSY -> D2, RST -> D4, DC -> D3, CS -> D8, CLK -> D5, DIN -> D7, GND -> GND, 3.3V -> 3.3V
// NOTE: connect 3.3k pull-down from D8 to GND if your board or shield has level converters
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, use different pin in case, or 4k7 pull-down

// mapping suggestion from Waveshare SPI e-Paper to generic ESP8266
// BUSY -> GPIO4, RST -> GPIO2, DC -> GPIO0, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
// NOTE: connect 3.3k pull-down from GPIO15 to GND if your board or shield has level converters
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, use different pin in case, or 3.3k pull-down

// mapping of Waveshare e-Paper ESP8266 Driver Board, new version
// BUSY -> GPIO5, RST -> GPIO2, DC -> GPIO4, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, add a 3.3k pull-down in case
// the e-Paper ESP8266 Driver Board should have no boot mode issue, as it doesn't use level converters

// mapping of Waveshare e-Paper ESP8266 Driver Board, old version
// BUSY -> GPIO16, RST -> GPIO5, DC -> GPIO4, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, add a 3.3k pull-down in case
// the e-Paper ESP8266 Driver Board should have no boot mode issue, as it doesn't use level converters

// mapping suggestion for ESP32, e.g. LOLIN32, see .../variants/.../pins_arduino.h for your board
// NOTE: there are variants with different pins for SPI ! CHECK SPI PINS OF YOUR BOARD
// BUSY -> 4, RST -> 16, DC -> 17, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V

// mapping of Waveshare ESP32 Driver Board
// BUSY -> 25, RST -> 26, DC -> 27, CS-> 15, CLK -> 13, DIN -> 14
// NOTE: this board uses "unusual" SPI pins and requires re-mapping of HW SPI to these pins in SPIClass
// see example GxEPD2_WS_ESP32_Driver.ino, it shows how this can be done easily

// mapping suggestion for ESP32, e.g. LOLIN32 D32 PRO
// BUSY -> 15, RST -> 2, DC -> 0, CS -> 5, CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
// note: use explicit value for CS, as SS is re-defined to TF_CS(4) in pins_arduino.h for Board: "LOLIN D32 PRO"

// mapping suggestion for ESP32, e.g. TTGO T8 ESP32-WROVER
// BUSY -> 4, RST -> 0, DC -> 2, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
// for use with Board: "ESP32 Dev Module":

// new mapping suggestion for STM32F1, e.g. STM32F103C8T6 "BluePill"
// BUSY -> A1, RST -> A2, DC -> A3, CS-> A4, CLK -> A5, DIN -> A7

// mapping suggestion for AVR, UNO, NANO etc.
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 13, DIN -> 11

// mapping of Waveshare Universal e-Paper Raw Panel Driver Shield for Arduino / NUCLEO
// BUSY -> 7, RST -> 8, DC -> 9, CS-> 10, CLK -> 13, DIN -> 11

// mapping suggestion for Arduino MEGA
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 53, CLK -> 52, DIN -> 51

// mapping suggestion for Arduino DUE
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 77, CLK -> 76, DIN -> 75
// SPI pins are on 6 pin 2x3 SPI header

// mapping suggestion for Arduino MKR1000 or MKRZERO
// note: can't use SS on MKR1000: is defined as 24, should be 4
// BUSY -> 5, RST -> 6, DC -> 7, CS-> 4, CLK -> 9, DIN -> 8
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