esp32+e-Paper 4.3 inch.io

esp32+e-Paper 4.3 inch.io

#include <epd.h>


void base_draw(void){
  int i, j;

  /*
  draw pixel
  */
  epd_clear();
  for (j = 0; j < 600; j += 50){
    for (i = 0; i < 800; i += 50){
      epd_draw_pixel(i, j);
      epd_draw_pixel(i, j + 1);
      epd_draw_pixel(i + 1, j);
      epd_draw_pixel(i + 1, j + 1);
    }
  }
  epd_udpate();
  delay(3000);

  /*
  draw line
  */
  epd_clear();
  for (i = 0; i < 800; i += 100) {
    epd_draw_line(0, 0, i, 599);
    epd_draw_line(799, 0, i, 599);
  }
  epd_udpate();
  delay(3000);

  /*
  fill rect
  */
  epd_clear();
  epd_set_color(BLACK, WHITE);
  epd_fill_rect(10, 10, 100, 100);

  epd_set_color(DARK_GRAY, WHITE);
  epd_fill_rect(110, 10, 200, 100);

  epd_set_color(GRAY, WHITE);
  epd_fill_rect(210, 10, 300, 100);

  epd_udpate();
  delay(3000);

  /*
  draw circle
  */
  epd_set_color(BLACK, WHITE);
  epd_clear();
  for (i = 0; i < 300; i += 40){
    epd_draw_circle(399, 299, i);
  }
  epd_udpate();
  delay(3000);

  /*
  fill circle
  */
  epd_clear();
  for (j = 0; j < 6; j++){
    for (i = 0; i < 8; i++){
      epd_fill_circle(50 + i * 100, 50 + j * 100, 50);
    }
  }
  epd_udpate();
  delay(3000);

  /*
  draw triangle
  */
  epd_clear();
  for (i = 1; i < 5; i++){
    epd_draw_triangle(399, 249 - i * 50, 349 - i * 50, 349 + i * 50, 449 + i * 50, 349 + i * 50);
  }
  epd_udpate();
  delay(3000);
}



void draw_text_demo(void){
  char buff[] = {'G', 'B', 'K', '3', '2', ':', ' ', 0xc4, 0xe3, 0xba, 0xc3, 0xca, 0xc0, 0xbd, 0xe7, 0};
  epd_set_color(BLACK, WHITE);
  epd_clear();
  epd_set_ch_font(GBK32);
  epd_set_en_font(ASCII32);
  epd_disp_string(buff, 0, 50);
  epd_disp_string("ASCII32: Hello, World!", 0, 300);

  epd_set_ch_font(GBK48);
  epd_set_en_font(ASCII48);
  buff[3] = '4';
  buff[4] = '8';
  epd_disp_string(buff, 0, 100);
  epd_disp_string("ASCII48: Hello, World!", 0, 350);

  epd_set_ch_font(GBK64);
  epd_set_en_font(ASCII64);
  buff[3] = '6';
  buff[4] = '4';
  epd_disp_string(buff, 0, 160);
  epd_disp_string("ASCII64: Hello, World!", 0, 450);


  epd_udpate();
  delay(3000);
}

void draw_bitmap_demo(void)
{
  epd_clear();
  epd_disp_bitmap("PIC4.BMP", 0, 0);
  epd_udpate();
  delay(5000);

  epd_clear();
  epd_disp_bitmap("PIC2.BMP", 0, 100);
  epd_disp_bitmap("PIC3.BMP", 400, 100);
  epd_udpate();
  delay(5000);

  epd_clear();
  epd_disp_bitmap("PIC7.BMP", 0, 0);
  epd_udpate();
}




void setup(void){
  epd_init(2,3);
  edp_wakeup(2);
  epd_set_memory(MEM_NAND);
}

void loop(void){

  base_draw();

  /*
  Draw text demo
  */
  draw_text_demo();

  /*
  Draw bitmap
  */
  draw_bitmap_demo();

  epd_enter_stopmode();
}