#!/usr/bin/python3 # -*- coding: utf-8 -*- """ Calibration module for the Black-White and Black-White-Red E-Paper display Calibration refers to flushing all pixels in a single colour to prevent ghosting. """ from __future__ import print_function import time from settings import display_colours from icon_positions_locations import black, white, red def calibration(): """Function for Calibration""" if display_colours == "bwr": import epd7in5b epd = epd7in5b.EPD() print('_________Calibration for 3-Colour E-Paper started_________'+'\n') if display_colours == "bw": import epd7in5 epd = epd7in5.EPD() print('_________Calibration for 2-Colour E-Paper started_________'+'\n') for i in range(2): epd.init() print('Calibrating black...') epd.display_frame(epd.get_frame_buffer(black)) if display_colours == "bwr": print('calibrating red...') epd.display_frame(epd.get_frame_buffer(red)) print('Calibrating white...') epd.display_frame(epd.get_frame_buffer(white)) epd.sleep() print('Cycle', str(i+1)+'/2', 'complete'+'\n') print('Calibration complete') def main(): """Added timer""" start = time.time() calibration() end = time.time() print('Calibration complete in', int(end - start), 'seconds') if __name__ == '__main__': main()