2022-01-15 22:14:12 +01:00

66 lines
1.9 KiB
Python

import datetime
import time
from threading import Thread
import numpy as np
from . import hardware, helpers
class ClockFace:
"""Actual functions one might need for a clock"""
def __init__(self):
""""""
# added by the launcher, we have self.modules (dict)
self.IO = hardware.led.get_handler()
self.shape = self.IO.shape # (16,32) for now
# TODO handle differently!
self.MOP = helpers.computations.MatrixOperations()
self.kill_output = False
def start(self):
Thread(target = self.clock_loop).start()
def clock_loop(self):
while True: # TODO: allow this to be exited gracefully
t_start = datetime.datetime.now()
self.set_brightness()
has_queue, data = self.modules["receive"].fetch_data()
tnext = 1 if has_queue else 30
if data == {}:
matrices = self.MOP.get_fallback()
matrices[0][0,0] = [255, 0, 0] # red dot on the top left
else:
matrices = [np.asarray(d).astype(int) for d in data["matrices"]]
matrices[0][0,0] = [0, 255, 0] # green dot on the top left
if not self.kill_output:
self.IO.put(matrices)
else:
z = np.zeros((16,16,3))
self.IO.put([z,z,z])
t_end = datetime.datetime.now()
delta_planned = datetime.timedelta(seconds = tnext)
delta = delta_planned - (t_end - t_start)
time.sleep(max(delta.total_seconds(), 0))
def set_brightness(self):
"""Kill the brightness at night"""
is_WE = datetime.datetime.now().weekday() > 4
now = int(datetime.datetime.now().strftime("%H%M"))
self.kill_output = (now < 1000 or now > 2200) if is_WE else (now < 830 or now > 2130)