Add driver for GDEW029T5 module

examples/EPaper/EPD_WaveShare_29/EPD_WaveShare_29.ino

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+/**
+The MIT License (MIT)
+Copyright (c) 2017 by Daniel Eichhorn
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+Please note: I am spending a lot of my free time in developing Software and Hardware
+for these projects. Please consider supporting me by
+a) Buying my hardware kits from https://blog.squix.org/shop
+b) Send a donation: https://www.paypal.me/squix/5USD
+c) Or using this affiliate link while shopping: https://www.banggood.com/?p=6R31122484684201508S
+
+See more at https://blog.squix.org
+
+Demo for the buffered graphics library. Renders a 3D cube
+*/
+
+#include <SPI.h>
+#include "EPD_WaveShare_29.h"
+#include "MiniGrafx.h"
+#include "DisplayDriver.h"
+
+#define MINI_BLACK 0
+#define MINI_WHITE 1
+
+/*
+ Connect the following pins:
+ Display  NodeMCU
+ BUSY     D1
+ RST      D2
+ DC       D8
+ CS       D3
+ CLK      D5
+ DIN      D7
+ GND      GND
+ 3.3V     3V3
+*/
+/*#define CS D3
+#define RST D2
+#define DC D8
+#define BUSY D1*/
+
+#if defined(ESP8266) 
+  #define CS 15  // D8
+  #define RST 2  // D4
+  #define DC 5   // D1
+  #define BUSY 4 // D2
+#elif defined(ESP32)
+  #define CS 5  // D8
+  #define RST 12  // D4
+  #define DC 19   // D1
+  #define BUSY 4 // D2
+#endif
+
+#define BITS_PER_PIXEL 1
+
+
+uint16_t palette[] = {0, 1};
+boolean isFastRefreshEnabled = false;
+
+EPD_WaveShare29 epd(CS, RST, DC, BUSY);
+MiniGrafx screenGfx = MiniGrafx(&epd, BITS_PER_PIXEL, palette, EPD_WIDTH, EPD_HEIGHT);
+MiniGrafx dialogGfx = MiniGrafx(&epd, BITS_PER_PIXEL, palette, 96, 96);
+
+uint8_t counter = 0;
+uint8_t rotation = 0;
+uint8_t mode = 0;
+boolean modeChanged = true;
+
+#define MODES 3
+
+void testFullScreenCommit() {
+
+  screenGfx.setRotation(rotation);
+  screenGfx.fillBuffer(MINI_WHITE);
+  screenGfx.setColor(MINI_BLACK);
+  screenGfx.setFont(ArialMT_Plain_10);
+  screenGfx.drawLine(0, 0, screenGfx.getWidth(), screenGfx.getHeight());
+  screenGfx.drawRect(0, 0, screenGfx.getWidth() - 1, screenGfx.getHeight() - 1);
+  screenGfx.drawString(0, 0, "Hello World.\nMillis: " + String(millis()) + "\nRotation: " + String(rotation));
+  screenGfx.commit();
+  rotation = (rotation + 1) % 4;
+}
+
+void testPictureInPicture() {
+  if (modeChanged) {
+    screenGfx.commit();
+    screenGfx.commit();
+  }
+  dialogGfx.setFastRefresh(true);
+  dialogGfx.setRotation(rotation);
+  dialogGfx.fillBuffer(MINI_BLACK);
+  dialogGfx.setColor(MINI_WHITE);
+  dialogGfx.setFont(ArialMT_Plain_10);
+  dialogGfx.drawLine(0, 0, dialogGfx.getWidth(), dialogGfx.getHeight());
+  dialogGfx.drawString(0, 0, "Hello World. Rotation:\n" + String(rotation));
+  dialogGfx.commit(16, 16);
+  rotation = (rotation + 1) % 4;
+}
+
+void testWindowedCommit() {
+  if (modeChanged) {
+    screenGfx.setFastRefresh(false);
+    screenGfx.commit();
+    screenGfx.commit();
+  }
+  screenGfx.fillBuffer(MINI_BLACK);
+  screenGfx.setColor(MINI_WHITE);
+  screenGfx.setFastRefresh(true);
+  screenGfx.setRotation(0);
+  screenGfx.setFont(ArialMT_Plain_24);
+  screenGfx.drawString(18, 18, String(millis()));
+  screenGfx.commit(16, 16, 80, 32, 16, 16);
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  screenGfx.init();
+  screenGfx.fillBuffer(MINI_WHITE);
+  screenGfx.setColor(MINI_BLACK);
+  // the device thas two screen buffers. For partial update
+  // make sure that both have the same content-> clear both.
+  screenGfx.commit();
+  screenGfx.commit();
+
+  dialogGfx.init();
+
+
+}
+
+#define REPETITIONS 10
+#define MODES 4
+
+void loop() {
+  uint64_t startTime = millis();
+  switch(mode) {
+    case 0:
+      Serial.println("Testing Fullscreen commit. Fast Refresh");
+      screenGfx.setFastRefresh(true);
+      testFullScreenCommit();
+      break;
+    case 1:
+      Serial.println("Testing Fullscreen commit. Full Refresh");
+      screenGfx.setFastRefresh(false);
+      testFullScreenCommit();
+      break;
+    case 2:
+      Serial.println("Testing Picture in Picture/ Partial update");
+      dialogGfx.setFastRefresh(true);
+      testPictureInPicture();
+      break;
+    case 3:
+      Serial.println("Testing windowed commit");
+      testWindowedCommit();
+  }
+  Serial.printf("Cycle took: %dms\n", millis() - startTime );
+
+  counter++;
+  modeChanged = false;
+  if (counter % REPETITIONS == 0) {
+    modeChanged = true;
+    mode = (mode + 1) % MODES;
+  }
+  //delay(4000);
+
+}

examples/EPaper/EPD_WaveShare_29T5/EPD_WaveShare_29T5.ino

@@ -0,0 +1,186 @@
+/**
+The MIT License (MIT)
+Copyright (c) 2019 by Daniel Eichhorn, ThingPulse
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+Please note: We are spending a lot of time to write and maintain open source codes
+Please support us by buying our products from https://thingpulse.com/shop/
+
+See more at https://thingpulse.com
+
+Many thanks go to various contributors such as Adafruit, Waveshare.
+*/
+
+#include <SPI.h>
+#include "EPD_WaveShare_29T5.h"
+#include "MiniGrafx.h"
+#include "DisplayDriver.h"
+
+#define MINI_BLACK 0
+#define MINI_WHITE 1
+
+/*
+ Connect the following pins:
+ Display  NodeMCU
+ BUSY     D1
+ RST      D2
+ DC       D8
+ CS       D3
+ CLK      D5
+ DIN      D7
+ GND      GND
+ 3.3V     3V3
+*/
+/*#define CS D3
+#define RST D2
+#define DC D8
+#define BUSY D1*/
+
+#if defined(ESP8266) 
+  #define CS 15  // D8
+  #define RST 2  // D4
+  #define DC 5   // D1
+  #define BUSY 4 // D2
+#elif defined(ESP32)
+  #define CS 5  // D8
+  #define RST 12  // D4
+  #define DC 19   // D1
+  #define BUSY 4 // D2
+#endif
+
+#define BITS_PER_PIXEL 1
+
+
+uint16_t palette[] = {0, 1};
+boolean isFastRefreshEnabled = false;
+
+EPD_WaveShare29T5 epd(CS, RST, DC, BUSY);
+MiniGrafx screenGfx = MiniGrafx(&epd, BITS_PER_PIXEL, palette, EPD_WIDTH, EPD_HEIGHT);
+MiniGrafx dialogGfx = MiniGrafx(&epd, BITS_PER_PIXEL, palette, 96, 96);
+
+uint8_t counter = 0;
+uint8_t rotation = 0;
+uint8_t mode = 0;
+boolean modeChanged = true;
+
+#define MODES 3
+
+void testFullScreenCommit() {
+
+
+  screenGfx.setRotation(rotation);
+  screenGfx.fillBuffer(MINI_WHITE);
+  screenGfx.setColor(MINI_BLACK);
+  screenGfx.setFont(ArialMT_Plain_10);
+  screenGfx.drawLine(0, 0, screenGfx.getWidth(), screenGfx.getHeight());
+  screenGfx.drawRect(0, 0, screenGfx.getWidth() - 1, screenGfx.getHeight() - 1);
+  screenGfx.drawString(0, 0, "Hello World.\nMillis: " + String(millis()) + "\nRotation: " + String(rotation));
+  screenGfx.commit();
+  rotation = (rotation + 1) % 4;
+}
+
+void testPictureInPicture() {
+  if (modeChanged) {
+    screenGfx.commit();
+    screenGfx.commit();
+  }
+  dialogGfx.setFastRefresh(true);
+  dialogGfx.setRotation(rotation);
+  dialogGfx.fillBuffer(MINI_BLACK);
+  dialogGfx.setColor(MINI_WHITE);
+  dialogGfx.setFont(ArialMT_Plain_10);
+  dialogGfx.drawLine(0, 0, dialogGfx.getWidth(), dialogGfx.getHeight());
+  dialogGfx.drawString(0, 0, "Hello World. Rotation:\n" + String(rotation));
+  dialogGfx.commit(16, 16);
+  rotation = (rotation + 1) % 4;
+}
+
+void testWindowedCommit() {
+  if (modeChanged) {
+    screenGfx.setFastRefresh(false);
+    screenGfx.commit();
+    screenGfx.commit();
+  }
+  screenGfx.fillBuffer(MINI_BLACK);
+  screenGfx.setColor(MINI_WHITE);
+  screenGfx.setFastRefresh(true);
+  screenGfx.setRotation(0);
+  screenGfx.setFont(ArialMT_Plain_24);
+  screenGfx.drawString(18, 18, String(millis()));
+  screenGfx.commit(16, 16, 80, 32, 16, 16);
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  screenGfx.init();
+  screenGfx.fillBuffer(MINI_WHITE);
+  screenGfx.setColor(MINI_BLACK);
+  // the device thas two screen buffers. For partial update
+  // make sure that both have the same content-> clear both.
+  screenGfx.commit();
+
+  dialogGfx.init();
+
+
+}
+
+#define REPETITIONS 10
+#define MODES 5
+
+void loop() {
+  uint64_t startTime = millis();
+  switch(mode) {
+    case 0:
+      Serial.println("Testing Fullscreen commit. Fast Refresh");
+      screenGfx.setFastRefresh(true);
+      testFullScreenCommit();
+      break;
+    case 1:
+      Serial.println("Testing Fullscreen commit. Full Refresh");
+      screenGfx.setFastRefresh(false);
+      testFullScreenCommit();
+      break;
+    case 2:
+      Serial.println("Testing Picture in Picture/ Partial update");
+      dialogGfx.setFastRefresh(true);
+      testPictureInPicture();
+      break;
+    case 3:
+      Serial.println("Testing windowed commit");
+      testWindowedCommit();
+      break;
+    case 4:
+      Serial.println("Test Sleep");
+      epd.Sleep();
+      epd.init();
+      counter = 0;
+      mode = 0;
+      break;
+  }
+  Serial.printf("Cycle took: %dms\n", millis() - startTime );
+  Serial.println("----------");
+  counter++;
+  modeChanged = false;
+  if (counter % REPETITIONS == 0) {
+    Serial.println("=================");
+    modeChanged = true;
+    mode = (mode + 1) % MODES;
+  }
+  //delay(4000);
+
+}