e-paper-display/bcm2835-1.71/e-Paper/Arduino/epd2in13d/epd2in13d.ino

65 lines
2.3 KiB
C++

/**
* @filename : epd2in13-demo.ino
* @brief : 2.13inch e-paper display demo
* @author : Yehui from Waveshare
*
* Copyright (C) Waveshare September 9 2017
*
* 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 "epd2in13d.h"
#include "imagedata.h"
/**
* Due to RAM not enough in Arduino UNO, a frame buffer is not allowed.
* In this case, a smaller image buffer is allocated and you have to
* update a partial display several times.
* 1 byte = 8 pixels, therefore you have to set 8*N pixels at a time.
*/
Epd epd;
void setup()
{
// put your setup code here, to run once:
Serial.begin(9600);
Serial.print("e-paper Init\n");
epd.Init();
Serial.print("e-paper Clear\n");
epd.Clear(); // bit set = white, bit reset = black
/**
* there are 2 memory areas embedded in the e-paper display
* and once the display is refreshed, the memory area will be auto-toggled,
* i.e. the next action of SetFrameMemory will set the other memory area
* therefore you have to set the frame memory and refresh the display twice.
*/
Serial.print("Displayimage\n");
epd.Displayimage(gImage_IMAGE);
delay(500);
epd.Clear();
epd.Sleep();
}
void loop()
{
}