def update_loop(url, interval=0, port=80):
"""
Download image, update display, sleep, loop.
Gives up on any error
:param url:
:param interval:
:param port:
:return:
"""
e = EPD()
e.enable()
sep = url.find('/')
host = url[:sep]
path = url[sep:]
del sep
while True:
print("Mem free: %d" % gc.mem_free())
c = Connect(host, port, debug=True)
content = c.get_quick(path)
print("Uploading...", end='')
e.upload_whole_image(content)
print("done.")
e.display_update()
del content
del c
if interval > 0:
to_sleep = interval
print("Sleeping for %ds" % interval, end='')
time.sleep(to_sleep)
print('.')
else:
input("Press enter to update (Ctrl-C to stop).")
gc.collect()
