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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include <Arduino.h>
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#include "display.h"
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#include <SPIFFS.h>
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// mapping suggestion for ESP32, e.g. LOLIN32, see .../variants/.../pins_arduino.h for your board
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// NOTE: there are variants with different pins for SPI ! CHECK SPI PINS OF YOUR BOARD
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// BUSY -> 4, RST -> 16, DC -> 17, CS -> SS(5), CLK -> (18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
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// mapping of Waveshare Universal e-Paper Raw Panel Driver Shield for Arduino / NUCLEO
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// BUSY -> 7, RST -> 8, DC -> 9, CS-> 10, CLK -> 13, DIN -> 11
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// base class GxEPD2_GFX can be used to pass references or pointers to the display instance as parameter, uses ~1.2k more code
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// enable or disable GxEPD2_GFX base class
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#define ENABLE_GxEPD2_GFX 0
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GxEPD2_BW<GxEPD2_750, GxEPD2_750::HEIGHT> display(GxEPD2_750(/*CS=*/5, /*DC=*/17, /*RST=*/16, /*BUSY=*/4));
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void setupDisplay()
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{
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Serial.println("setupDisplay");
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delay(100);
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display.init(115200);
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Serial.println("setup done");
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}
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void displayOpen()
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{
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display.setRotation(0);
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display.setFullWindow();
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display.firstPage();
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display.fillScreen(GxEPD_WHITE);
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}
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void displayWritePixel(int16_t x, int16_t y, uint16_t color)
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{
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display.drawPixel(x, y, color);
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}
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void displayWriteFramebuffer(uint8_t bitmap[])
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{
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display.drawInvertedBitmap(0, 0, bitmap, display.epd2.WIDTH, display.epd2.HEIGHT, GxEPD_BLACK);
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}
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void displayFlush()
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{
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display.nextPage();
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}
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void printSplash()
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{
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const char Hello[] = "Hello Paperdash!";
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display.setRotation(1);
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display.setFont(&FreeMonoBold9pt7b);
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display.setTextColor(GxEPD_BLACK);
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int16_t tbx, tby;
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uint16_t tbw, tbh;
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display.getTextBounds(Hello, 0, 0, &tbx, &tby, &tbw, &tbh);
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// center bounding box by transposition of origin:
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uint16_t x = ((display.width() - tbw) / 2) - tbx;
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uint16_t y = ((display.height() - tbh) / 2) - tby;
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display.setFullWindow();
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display.firstPage();
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do
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{
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display.fillScreen(GxEPD_WHITE);
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display.setCursor(x, y);
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display.print(Hello);
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} while (display.nextPage());
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}
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