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This commit is contained in:
Jérôme Delacotte
2025-03-06 11:15:32 +01:00
commit 7b30d6e298
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libraries/GxEPD/extras/Particle/examples/GxEPD_ParticlePartialUpdateExample/project.properties Normal file
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name=GxEPD_ParticlePartialUpdateExample
dependencies.GxEPD=3.0.8

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libraries/GxEPD/extras/Particle/examples/GxEPD_ParticlePartialUpdateExample/src/GxEPD_ParticlePartialUpdateExample.ino Normal file
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// PartialUpdateExample : example for Waveshare 1.54", 2.31" and 2.9" e-Paper and the same e-papers from Dalian Good Display Inc.
//
// Created by Jean-Marc Zingg based on demo code from Good Display for GDEP015OC1.
//
// The e-paper displays are available from:
//
// https://www.aliexpress.com/store/product/Wholesale-1-54inch-E-Ink-display-module-with-embedded-controller-200x200-Communicate-via-SPI-interface-Supports/216233_32824535312.html
//
// http://www.buy-lcd.com/index.php?route=product/product&path=2897_8363&product_id=35120
// or https://www.aliexpress.com/store/product/E001-1-54-inch-partial-refresh-Small-size-dot-matrix-e-paper-display/600281_32815089163.html
//
#include <Adafruit_GFX_RK.h>
#include <GxEPD.h>
// Supporting Arduino Forum Topics:
// Waveshare e-paper displays with SPI: http://forum.arduino.cc/index.php?topic=487007.0
// Good Dispay ePaper for Arduino: https://forum.arduino.cc/index.php?topic=436411.0
// mapping suggestion from Waveshare SPI e-Paper to Particle Photon
// A5 MOSI
// A4 MISO
// A3 SCK
// A2 SS
// BUSY -> D4, RST -> A0, DC -> A1, CS -> A2, CLK -> A3, DIN -> A5, GND -> GND, 3.3V -> 3.3V
// NOTE: it looks like MISO can't be used as general input pin for BUSY.
// Supporting Arduino Forum Topics:
// Waveshare e-paper displays with SPI: http://forum.arduino.cc/index.php?topic=487007.0
// Good Dispay ePaper for Arduino : https://forum.arduino.cc/index.php?topic=436411.0
// select the display class to use, only one
//#include <GxGDEP015OC1/GxGDEP015OC1.h> // 1.54" b/w
//#include <GxGDEW0213I5F/GxGDEW0213I5F.h> // 2.13" b/w 104x212 flexible
//#include <GxGDE0213B1/GxGDE0213B1.h> // 2.13" b/w
#include <GxGDEH0213B72/GxGDEH0213B72.h> // 2.13" b/w new panel
//#include <GxGDEH029A1/GxGDEH029A1.h> // 2.9" b/w
//#include <GxGDEW029T5/GxGDEW029T5.h> // 2.9" b/w IL0373
//#include <GxGDEW027W3/GxGDEW027W3.h> // 2.7" b/w
//#include <GxGDEW042T2/GxGDEW042T2.h> // 4.2" b/w
// these displays do not fully support partial update
//#include <GxGDEW0154Z17/GxGDEW0154Z17.h> // 1.54" b/w/r 152x152
//#include <GxGDEW0213Z16/GxGDEW0213Z16.h> // 2.13" b/w/r
//#include <GxGDEW029Z10/GxGDEW029Z10.h> // 2.9" b/w/r
//#include <GxGDEW027C44/GxGDEW027C44.h> // 2.7" b/w/r
//#include <GxGDEW042Z15/GxGDEW042Z15.h> // 4.2" b/w/r
//#include <GxGDEW0583T7/GxGDEW0583T7.h> // 5.83" b/w
//#include <GxGDEW075T8/GxGDEW075T8.h> // 7.5" b/w
//#include <GxGDEW075Z09/GxGDEW075Z09.h> // 7.5" b/w/r
// FreeFonts from Adafruit_GFX
#include <FreeMonoBold9pt7b.h>
#include GxEPD_BitmapExamples
#include <GxIO/GxIO_SPI/GxIO_SPI.h>
#include <GxIO/GxIO.h>
GxIO_Class io(SPI, /*CS=*/ SS, /*DC=*/ A1, /*RST=*/ A0);
GxEPD_Class display(io, /*RST=*/ A0, /*BUSY=*/ D4);
//#define DEMO_DELAY 3*60 // seconds
//#define DEMO_DELAY 1*60 // seconds
#define DEMO_DELAY 30
void setup(void)
{
Serial.begin(115200);
Serial.println();
Serial.println("setup");
display.init(115200); // enable diagnostic output on Serial
Serial.println("setup done");
}
void loop()
{
#if defined(__AVR) || false
showPartialUpdatePaged();
#elif defined(_GxGDEW075Z09_H_) && (defined(ESP8266) || defined(ARDUINO_ARCH_STM32F1))
showPartialUpdatePaged();
#elif defined(_GxGDEW075Z09_H_)
showPartialUpdate_75Z09();
#else
showPartialUpdate();
#endif
delay(DEMO_DELAY * 1000);
}
#if !defined(__AVR)
void showPartialUpdate()
{
// use asymmetric values for test
uint16_t box_x = 10;
uint16_t box_y = 15;
uint16_t box_w = 70;
uint16_t box_h = 20;
uint16_t cursor_y = box_y + box_h - 6;
float value = 13.95;
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_BLACK);
display.setRotation(0);
// draw background
display.drawExampleBitmap(BitmapExample1, 0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, GxEPD_BLACK);
display.update();
delay(2000);
// partial update to full screen to preset for partial update of box window
// (this avoids strange background effects)
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
// show where the update box is
for (uint16_t r = 0; r < 4; r++)
{
display.setRotation(r);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_BLACK);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(1000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// show updates in the update box
for (uint16_t r = 0; r < 4; r++)
{
// reset the background
display.setRotation(0);
display.drawExampleBitmap(BitmapExample1, 0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, GxEPD_BLACK);
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
display.setRotation(r);
for (uint16_t i = 1; i <= 10; i++)
{
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.setCursor(box_x, cursor_y);
display.print(value * i, 2);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(2000);
}
delay(2000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// should have checked this, too
box_x = GxEPD_HEIGHT - box_x - box_w - 1; // not valid for all corners
// should show on right side of long side
// reset the background
display.setRotation(0);
display.drawExampleBitmap(BitmapExample1, 0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, GxEPD_BLACK);
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
// show where the update box is
for (uint16_t r = 0; r < 4; r++)
{
display.setRotation(r);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_BLACK);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(1000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// show updates in the update box
for (uint16_t r = 0; r < 4; r++)
{
// reset the background
display.setRotation(0);
display.drawExampleBitmap(BitmapExample1, 0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, GxEPD_BLACK);
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
display.setRotation(r);
if (box_x >= display.width()) continue; // avoid delay
for (uint16_t i = 1; i <= 10; i++)
{
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.setCursor(box_x, cursor_y);
display.print(value * i, 2);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(2000);
}
delay(2000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
display.setRotation(0);
display.powerDown();
}
#endif
#if defined(_GxGDEW075Z09_H_) && !(defined(ESP8266) || defined(ARDUINO_ARCH_STM32F1))
void showPartialUpdate_75Z09()
{
// use asymmetric values for test
uint16_t box_x = 10;
uint16_t box_y = 15;
uint16_t box_w = 70;
uint16_t box_h = 20;
uint16_t cursor_y = box_y + box_h - 6;
float value = 13.95;
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_BLACK);
display.setRotation(0);
// draw background, partial update to full screen to preset for partial update of box window
// (updateWindow() would clear display if partial update not set, to avoid strange background effect)
display.drawExamplePicture_3C(BitmapPicture_3C, sizeof(BitmapPicture_3C), GxEPD::bm_partial_update);
// show where the update box is
for (uint16_t r = 0; r < 4; r++)
{
display.setRotation(r);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_BLACK);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(1000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// show updates in the update box
for (uint16_t r = 0; r < 4; r++)
{
// reset the background
display.setRotation(0);
display.drawExamplePicture_3C(BitmapPicture_3C, sizeof(BitmapPicture_3C), GxEPD::bm_partial_update);
display.setRotation(r);
for (uint16_t i = 1; i <= 10; i++)
{
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.setCursor(box_x, cursor_y);
display.print(value * i, 2);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(2000);
}
delay(2000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// should have checked this, too
box_x = GxEPD_HEIGHT - box_x - box_w - 1; // not valid for all corners
// should show on right side of long side
// reset the background
display.setRotation(0);
display.drawExamplePicture_3C(BitmapPicture_3C, sizeof(BitmapPicture_3C), GxEPD::bm_partial_update);
// show where the update box is
for (uint16_t r = 0; r < 4; r++)
{
display.setRotation(r);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_BLACK);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(1000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
// show updates in the update box
for (uint16_t r = 0; r < 4; r++)
{
// reset the background
display.setRotation(0);
display.drawExamplePicture_3C(BitmapPicture_3C, sizeof(BitmapPicture_3C), GxEPD::bm_partial_update);
display.setRotation(r);
if (box_x >= display.width()) continue; // avoid delay
for (uint16_t i = 1; i <= 10; i++)
{
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.setCursor(box_x, cursor_y);
display.print(value * i, 2);
display.updateWindow(box_x, box_y, box_w, box_h, true);
delay(2000);
}
delay(2000);
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.updateWindow(box_x, box_y, box_w, box_h, true);
}
display.setRotation(0);
display.powerDown();
}
#endif
#if defined(__AVR) || defined(_GxGDEW075Z09_H_) && (defined(ESP8266) || defined(ARDUINO_ARCH_STM32F1)) || false
// modified to avoid float; reduces program size ~2k (for GxGDEW042T2)
void showBlackBoxCallback(uint32_t v)
{
uint16_t box_x = 10;
uint16_t box_y = 15;
uint16_t box_w = 70;
uint16_t box_h = 20;
display.fillRect(box_x, box_y, box_w, box_h, v);
}
void showValueBoxCallback(const uint32_t v)
{
uint16_t box_x = 10;
uint16_t box_y = 15;
uint16_t box_w = 70;
uint16_t box_h = 20;
uint16_t cursor_y = box_y + box_h - 6;
display.fillRect(box_x, box_y, box_w, box_h, GxEPD_WHITE);
display.setCursor(box_x, cursor_y);
display.print(v / 100);
display.print(v % 100 > 9 ? "." : ".0");
display.print(v % 100);
}
void showPartialUpdatePaged()
{
uint16_t box_x = 10;
uint16_t box_y = 15;
uint16_t box_w = 70;
uint16_t box_h = 20;
uint16_t cursor_y = box_y + box_h - 6;
uint32_t value = 1395;
display.setFont(&FreeMonoBold9pt7b);
display.setTextColor(GxEPD_BLACK);
display.setRotation(0);
// draw background
display.drawExampleBitmap(BitmapExample1, sizeof(BitmapExample1));
delay(2000);
// partial update to full screen to preset for partial update of box window
// (this avoids strange background effects)
display.drawExampleBitmap(BitmapExample1, sizeof(BitmapExample1), GxEPD::bm_default | GxEPD::bm_partial_update);
delay(1000);
// show where the update box is
for (uint16_t r = 0; r < 4; r++)
{
display.setRotation(r);
display.drawPagedToWindow(showBlackBoxCallback, box_x, box_y, box_w, box_h, GxEPD_BLACK);
delay(1000);
display.drawPagedToWindow(showBlackBoxCallback, box_x, box_y, box_w, box_h, GxEPD_WHITE);
}
// show updates in the update box
for (uint16_t r = 0; r < 4; r++)
{
// reset the background
display.drawExampleBitmap(BitmapExample1, sizeof(BitmapExample1), GxEPD::bm_default | GxEPD::bm_partial_update);
display.setRotation(r);
for (uint16_t i = 1; i <= 10; i++)
{
uint32_t v = value * i;
display.drawPagedToWindow(showValueBoxCallback, box_x, box_y, box_w, box_h, v);
delay(500);
}
delay(1000);
display.drawPagedToWindow(showBlackBoxCallback, box_x, box_y, box_w, box_h, GxEPD_WHITE);
}
// reset the background
display.drawExampleBitmap(BitmapExample1, sizeof(BitmapExample1), GxEPD::bm_default | GxEPD::bm_partial_update);
display.setRotation(0);
display.powerDown();
}
#endif

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libraries/GxEPD/extras/Particle/examples/GxEPD_ParticlePartialUpdateExample/src/src.ino Normal file
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