pico-epaper/main.py

import epaper
import microbmp
import time
import random
import os
import storage
import display
import gc

gc.enable()

epd = display.init_display()
disk = storage.Storage()

while True:
    disk.mount()
    images = list(filter(lambda x : x.endswith(".bmp"), os.listdir(disk.get_root_path())))
    epd.EPD_5IN65F_Init()
    epd.fill(epd.White)
    filename = random.choice(images)
    print("TV drawing image ", filename)
    free_space = [0,0,0,0]
    try:
        free_space = display.draw_image(epd, disk.get_root_path() + "/" + filename)
    except Exception as e:
        print("Failed drawing image from disk: ", e)
        try:
            free_space = display.draw_image(epd, "tiny.bmp")
        except Exception as e:
            print("Failed drawing fallback image: ", e)
            free_space = display.draw_pattern(epd)
    caption = None
    try:
        caption = storage.load_joke(disk.get_root_path())
    except Exception as e:
        print("Failed loading a joke: ", e)
    try:
        display.draw_extra(epd, free_space, caption)
    except Exception as e:
        print("Failed drawing extra: ", e)
    time_render_start = time.ticks_ms()
    epd.EPD_5IN65F_Display(epd.buffer)
    time_render_stop = time.ticks_ms()
    print(" time to render: ", (time_render_stop - time_render_start) / 1000, " s")
    print("TV showing ", filename)
    epd.Sleep()
    disk.umount()
    
    print("")
    gc.collect()
    epd.delay_ms(60000 * 10)