84 lines
4.8 KiB
C
84 lines
4.8 KiB
C
|
// 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
|
||
|
|
// NOTE: connect 1k pull-up from D4 (RST) to 3.3V if your board or shield has the "clever" reset circuit, or use a different pin
|
||
|
|
|
||
|
|
// 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
|
||
|
|
// NOTE: connect 1k pull-up from GPIO2 (RST) to 3.3V if your board or shield has the "clever" reset circuit, or use a different pin
|
||
|
|
|
||
|
|
// 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 suggestion for AVR, Arduino Micro, Leonardo
|
||
|
|
// note: on Leonardo board HW SPI pins are on 6-pin ICSP header
|
||
|
|
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 15, DIN -> 16
|
||
|
|
|
||
|
|
// 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, note: pin 77 is on board pin 10, SS is 10
|
||
|
|
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 76, DIN -> 75
|
||
|
|
// SPI pins are on 6 pin 2x3 SPI header, no SS on 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
|
||
|
|
|
||
|
|
// mapping suggestion for Arduino Nano RP2040 Connect
|
||
|
|
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 13, DIN -> 11
|
||
|
|
|
||
|
|
// mapping suggestion for Raspberry Pi Pico RP2040
|
||
|
|
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 5, CLK -> 2, DIN -> 3
|