CALE-IDF_1.54 inch E-paper display module_GDEY0154D67-FL01

• Size: 200 * 200, 1.54 inches
• Controller: SSD1681
• Status: Working only for monochrome updates in branch idf_5
• 4 gray mode: Implemented. Use setMonoMode(false)
• Partial update: Needs to be implemented
• Similar model to gdeh0154d67 (same controller)
• Red/Black version: gdeh0154z90

Implementation demo

#include "goodisplay/gdey0154d67.h"

// FONT Adafruit GFX - Only after display library
#include <Fonts/ubuntu/Ubuntu_M12pt8b.h>

EpdSpi io;
gdey0213b74 display(io);

void app_main()
{
   display.init();
   // By default is true, set to false to check STATs difference
   display.spi_optimized = true;
   display.setCursor(4, 10);
   display.setTextColor(EPD_BLACK);
   display.setFont(&Ubuntu_M12pt8b);
   display.println("Hello GitHub");
   display.update();
}

Update statistics

All times are in milliseconds. With spi_optimized set to false:

STATS (ms)
141 _wakeUp settings+send Buffer
1906 _powerOn
2048 total time in millis

With spi_optimized true by default:

STATS (ms)
44 _wakeUp settings+send Buffer
1905 _powerOn
1950 total time in millis