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e-Paper/Arduino/epd2in66/epd2in66.ino

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+/**
+    @filename   :   epd2in66-demo.ino
+    @brief      :   2.66inch e-paper display demo
+    @author     :   Waveshare
+
+    Copyright (C) Waveshare     July 29 2020
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documnetation 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
+   furished 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 OR 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.
+*/
+
+#include <SPI.h>
+#include "epd2in66.h"
+#include "imagedata.h"
+#include "epdpaint.h"
+
+#define COLORED     0
+#define UNCOLORED   1
+
+UBYTE image[500];
+Paint paint(image, 48, 80);    // width should be the multiple of 8 
+UDOUBLE time_start_ms;
+UDOUBLE time_now_s;
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  Epd epd;
+  if (epd.Init() != 0) {
+    Serial.print("e-Paper init failed...");
+    return;
+  }
+  Serial.print("2.66inch e-Paper demo...\r\n ");
+  Serial.print("e-Paper Clear...\r\n ");
+  epd.Clear();  
+
+  paint.SetRotate(ROTATE_270);
+  
+#if 1
+  Serial.print("draw image...\r\n ");
+  epd.DisplayFrame(IMAGE_DATA);
+  delay(4000);
+  epd.Clear();
+#endif
+
+#if 1
+  epd.Init_Partial();
+  epd.Clear();
+  Serial.print("partial display___ \r\n ");
+  UBYTE i;
+  time_start_ms = millis();
+  for(i=0; i<10; i++) {
+    time_now_s = (millis() - time_start_ms) / 1000;
+    char time_string[] = {'0', '0', ':', '0', '0', '\0'};
+    time_string[0] = time_now_s / 60 / 10 + '0';
+    time_string[1] = time_now_s / 60 % 10 + '0';
+    time_string[3] = time_now_s % 60 / 10 + '0';
+    time_string[4] = time_now_s % 60 % 10 + '0';
+
+    paint.Clear(UNCOLORED);
+    paint.DrawStringAt(10, 10, time_string, &Font16, COLORED);
+    Serial.print("refresh------\r\n ");
+    epd.DisplayFrame_part(paint.GetImage(), 20, 100, 48, 80);
+  }
+#endif
+
+  epd.Init();
+  Serial.print("clear and sleep......\r\n ");
+  epd.Clear();
+  epd.Sleep();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}