93 lines
3.3 KiB
Arduino
93 lines
3.3 KiB
Arduino
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/**
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@filename : epd3in7-demo.ino
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@brief : 3.7inch e-paper display demo
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@author : Waveshare
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Copyright (C) Waveshare July 17 2020
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documnetation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <SPI.h>
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#include "epd3in7.h"
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#include "imagedata.h"
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#include "epdpaint.h"
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#define COLORED 0
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#define UNCOLORED 1
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UBYTE image[700];
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Paint paint(image, 0, 0); // width should be the multiple of 8
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UDOUBLE time_start_ms;
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UDOUBLE time_now_s;
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(115200);
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Epd epd;
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if (epd.Init() != 0) {
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Serial.print("e-Paper init failed");
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return;
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}
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Serial.print("3.7inch e-paper demo\r\n ");
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Serial.print("e-Paper Clear\r\n ");
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epd.Clear(1);
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Serial.print("draw image\r\n ");
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epd.DisplayFrame(IMAGE_DATA, true); // Set base image
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delay(3000);
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paint.SetWidth(40);
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paint.SetHeight(120);
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paint.SetRotate(ROTATE_270);
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paint.Clear(UNCOLORED);
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UBYTE i;
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time_start_ms = millis();
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for(i=0; i<5; i++) {
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time_now_s = (millis() - time_start_ms) / 1000;
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char time_string[] = {'0', '0', ':', '0', '0', '\0'};
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time_string[0] = time_now_s / 60 / 10 + '0';
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time_string[1] = time_now_s / 60 % 10 + '0';
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time_string[3] = time_now_s % 60 / 10 + '0';
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time_string[4] = time_now_s % 60 % 10 + '0';
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(20, 10, time_string, &Font16, COLORED);
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Serial.print("refresh------\r\n ");
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// epd.DisplayFrame_Partial(paint.GetImage(), 20, 100, 40, 120); // Width must be a multiple of 8
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/* Writes new data to RAM */
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epd.DisplayFrame_Part(paint.GetImage(), 40+i*40, 30, 80+i*40, 140, false); // Xstart must be a multiple of 8
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/* Displays and toggles the RAM currently in use */
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epd.TurnOnDisplay();
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/* Writes the last data to another RAM */
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epd.DisplayFrame_Part(paint.GetImage(), 40+i*40, 30, 80+i*40, 140, false); // Xstart must be a multiple of 8
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delay(500);
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}
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Serial.print("clear and sleep......\r\n ");
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epd.Init();
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epd.Clear(1);
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epd.Sleep();
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}
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void loop() {
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// put your main code here, to run repeatedly:
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}
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