First commit -> 2025-01-25 15:26:36

display/display.py

@@ -0,0 +1,42 @@
+#!/usr/bin python3
+# -*- coding: utf-8 -*-
+"""
+This part of the code exposes functions to interface with the eink display
+"""
+
+import display.epd2in13_V4 as eink
+from PIL import Image
+import logging
+
+
+class DisplayHelper:
+
+    def __init__(self, width, height):
+        # Initialise the display
+        self.logger = logging.getLogger('raspagenda')
+        self.screenwidth = width
+        self.screenheight = height
+        self.epd = eink.EPD()
+        self.epd.Init()
+
+    def update(self, img):
+        # Updates the display with the grayscale and red images
+        # start displaying on eink display
+        # self.epd.clear()
+        self.epd.display(mg)
+        self.logger.info('E-Ink display update complete.')
+
+    def calibrate(self, cycles=1):
+        # Calibrates the display to prevent ghosting
+        white = Image.new('1', (self.screenwidth, self.screenheight), 'white')
+        black = Image.new('1', (self.screenwidth, self.screenheight), 'black')
+        for _ in range(cycles):
+            self.epd.display(black, white)
+            self.epd.display(white, black)
+            self.epd.display(white, white)
+        self.logger.info('E-Ink display calibration complete.')
+
+    def sleep(self):
+        # send E-Ink display to deep sleep
+        self.epd.EPD_Sleep()
+        self.logger.info('E-Ink display entered deep sleep.')