Create calibration-bw.py

Calendar/calibration-bw.py

@@ -0,0 +1,31 @@
+"""
+Calibration module for the 2-Colour E-Paper Calendar display. Running this script
+helps to 'flush' all the pixels and retain the colour on the display.
+"""
+import epd7in5
+from PIL import Image, ImageDraw, ImageFont
+EPD_WIDTH = 640
+EPD_HEIGHT = 384
+epd = epd7in5.EPD()
+
+def calibration():
+    for i in range(2):
+        epd.init()
+        black = Image.new('1', (EPD_WIDTH, EPD_HEIGHT), 0)
+        print('calibrating black...')
+        ImageDraw.Draw(black)
+        epd.display_frame(epd.get_frame_buffer(black))
+        
+        white = Image.new('1', (EPD_WIDTH, EPD_HEIGHT), 255)
+        ImageDraw.Draw(white)
+        print('calibrating white...')
+        epd.display_frame(epd.get_frame_buffer(white))
+        epd.sleep()
+    print('Cycle complete!')
+
+def main():
+    for i in range(1):
+        calibration()
+
+if __name__ == '__main__':
+    main()