I am driving e-Paper display with nRF52 Module named mentioned above, but not getting sharp image
#include <GxEPD.h>
#include <GxGDEH0213B73/GxGDEH0213B73.h> // 2.13" b/w newer panel
#include GxEPD_BitmapExamples
// FreeFonts from Adafruit_GFX
#include <Fonts/FreeMonoBold9pt7b.h>
#include <Fonts/FreeMonoBold12pt7b.h>
#include <Fonts/FreeMonoBold18pt7b.h>
#include <Fonts/FreeMonoBold24pt7b.h>
#include <GxIO/GxIO_SPI/GxIO_SPI.h>
#include <GxIO/GxIO.h>
#include "IMG_0001.h"
GxIO_Class io(SPI, /*CS=*/ 4, /*DC=*/ 3, /*RST=*/ 2); // arbitrary selection of 8, 9 selected for default of GxEPD_Class
GxEPD_Class display(io, /*RST=*/ 2, /*BUSY=*/ 5); // default selection of (9), 7
void setup()
{
Serial.begin(115200);
Serial.println();
Serial.println("setup");
display.init(115200); // enable diagnostic output on Serial
Serial.println("setup done");
//showpic();
}
void loop()
{
//showpic();
display.drawPaged(showFontCallback);
delay(5000);
}
void showFontCallback()
{
const char* name = "FreeMonoBold9pt7b";
const GFXfont* f = &FreeMonoBold9pt7b;
display.fillScreen(GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display.setFont(f);
display.setCursor(0, 0);
display.println();
display.println(name);
display.println(" !\"#$%&'()*+,-./");
display.println("0123456789:;<=>?");
display.println("@ABCDEFGHIJKLMNO");
display.println("PQRSTUVWXYZ[\\]^_");
#if defined(HAS_RED_COLOR)
display.setTextColor(GxEPD_RED);
#endif
display.println("`abcdefghijklmno");
display.println("pqrstuvwxyz{|}~ ");
}
void showpic()
{
//uint16_t x = (display.width() - 128) / 2;
uint16_t x = 0;
uint16_t y = 0;
display.fillScreen(GxEPD_BLACK);
display.drawExampleBitmap(gImage_IMG_0001, x, y, 128, 250, GxEPD_WHITE);
display.update();
}
