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uhr/uhr.py

299 lines
10 KiB
Python

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#!/usr/bin/python3
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import datetime
import os
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import shlex
import subprocess
import threading
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import time
from copy import deepcopy
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import gpiozero
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import toml
import neopixel
import board
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SKRIPTPFAD = os.path.abspath(os.path.dirname(__file__))
def load_config(pfad=SKRIPTPFAD):
configfile = os.path.join(pfad, "uhr_cfg.toml")
with open(configfile) as conffile:
config = toml.loads(conffile.read())
return config
CONFIG = load_config()
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# LED strip configuration
LED_COUNT = 60 # Number of LED pixels.
LED_PIN = board.D18 # GPIO pin connected to the pixels (must support PWM!).
LED_PIXEL_ORDER = neopixel.GRB # Strip type and colour ordering
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# Zahl stellt den Wert in Minuten dar, wie lange kein Gerät erreichbar sein darf dass die Uhr "abgeschalten" wird
ABSCHALTWERT = 4
class Uhr:
def __init__(self, pixels, mode):
self.helligkeit = pixels.brightness
self.pixels = pixels
self.helligkeit_geaendert = None
self.mode = mode
self._rgb_leer = None
self._rgb_sekunde = None
self._rgb_minute = None
self._rgb_stunde = None
self.led_gesetzt = 0
self.durchlauf_pause = datetime.timedelta(seconds=0)
self.sleep_time = 0
def set_helligkeit(self, helligkeit):
self.helligkeit = helligkeit
self.pixels.brightness = self.helligkeit
self.helligkeit_geaendert = datetime.datetime.now()
def helligkeit_erhoehen(self):
self.helligkeit += 0.05
if self.helligkeit > 1:
self.helligkeit = 0
self.set_helligkeit(self.helligkeit)
def helligkeit_verringern(self):
self.helligkeit -= 0.05
if self.helligkeit < 0:
self.helligkeit = 1
self.set_helligkeit(self.helligkeit)
def rgb_farben_lesen(self):
config = deepcopy(CONFIG)
self._rgb_leer = config["mode"][self.mode]["leer"]
self._rgb_sekunde = config["mode"][self.mode]["sekunde"]
self._rgb_minute = config["mode"][self.mode]["minute"]
self._rgb_stunde = config["mode"][self.mode]["stunde"]
rgbconf = {"rgb_leer": self._rgb_leer, "rgb_s": self._rgb_sekunde, "rgb_min": self._rgb_minute,
"rgb_std": self._rgb_stunde}
return rgbconf
def mode_control(self, zeit):
rgbconf = self.rgb_farben_lesen()
if int(self.mode) == 0:
stdliste = stunden_led_mapping_variante_0()
stunden_leds, minuten_leds, sekunden_leds, leer_leds, rgbdict, \
self.led_gesetzt = stunde_minute_sekunde_einfach_modus(zeit, stdliste, rgbconf, self.led_gesetzt)
self.durchlauf_pause = datetime.timedelta(seconds=1)
self.sleep_time = 0.2
else:
stunden_leds = [0]
minuten_leds = [0]
sekunden_leds = [0]
leer_leds = [0]
rgbdict = self.rgb_farben_lesen()
led_setzen(stunden_leds, minuten_leds, sekunden_leds, leer_leds, rgbdict, self.pixels)
# GPIO
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I_MODE_TASTER = gpiozero.Button(3)
I_PLUS_TASTER = gpiozero.Button(4)
I_MINUS_TASTER = gpiozero.Button(17)
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def config_schreiben(pfad=SKRIPTPFAD):
configfile = os.path.join(pfad, "uhr_cfg.toml")
with open(configfile, "w") as conffile:
conffile.write(toml.dumps(CONFIG))
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def alle_led(r, g, b, pixels):
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pixels.fill((r, g, b))
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pixels.show()
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def stunden_led_mapping_variante_0():
std0 = [0, 1, 59]
std1 = [4, 5, 6]
std2 = [9, 10, 11]
std3 = [14, 15, 16]
std4 = [19, 20, 21]
std5 = [24, 25, 26]
std6 = [29, 30, 31]
std7 = [34, 35, 36]
std8 = [39, 40, 41]
std9 = [44, 45, 46]
std10 = [49, 50, 51]
std11 = [54, 55, 56]
stdliste = [std0, std1, std2, std3, std4, std5, std6, std7, std8, std9, std10, std11]
return stdliste
def stunde_minute_sekunde_einfach_modus(zeit, stdliste, rgbdict, led_gesetzt):
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if zeit.hour > 11:
index = zeit.hour - 12
else:
index = zeit.hour
stunden_leds = list(stdliste[index])
minuten_leds = [zeit.minute]
sekunden_leds = [zeit.second]
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# Schnittfarben berechnen falls "Zeiger" übereinander liegen
# Stunde mit Minute vergleichen
if bool(set(stunden_leds) & set(minuten_leds)):
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for counter in range(0, 3):
rgbdict["rgb_min"][counter] = int((rgbdict["rgb_std"][counter] + rgbdict["rgb_min"][counter]) / 2)
# Stunde mit Sekunde vergleichen
if set(stunden_leds) & set(sekunden_leds):
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for counter in range(0, 3):
rgbdict["rgb_s"][counter] = int((rgbdict["rgb_std"][counter] + rgbdict["rgb_s"][counter]) / 2)
# Minute mit Sekunde vergleichen
if set(minuten_leds) & set(sekunden_leds):
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for counter in range(0, 3):
rgbdict["rgb_s"][counter] = int((rgbdict["rgb_min"][counter] + rgbdict["rgb_s"][counter]) / 2)
# Neue Leere LED berechnen
led_gesetzt_neu = set(stunden_leds) | set(minuten_leds) | set(sekunden_leds)
if isinstance(led_gesetzt, (int, float)):
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led_gesetzt = [led_gesetzt]
leer_leds = set(led_gesetzt) - set(led_gesetzt_neu)
return stunden_leds, minuten_leds, sekunden_leds, leer_leds, rgbdict, led_gesetzt_neu
def led_setzen(stunden_leds, minuten_leds, sekunden_leds, leer_leds, rgbdict, pixels):
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# Stunden setzen
for stunde_led in stunden_leds:
pixels[stunde_led] = rgbdict["rgb_std"][0], rgbdict["rgb_std"][1], rgbdict["rgb_std"][2]
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# Minute setzen
for minute_led in minuten_leds:
pixels[minute_led] = rgbdict["rgb_min"][0], rgbdict["rgb_min"][1], rgbdict["rgb_min"][2]
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# Sekunde setzen
for sekunde_led in sekunden_leds:
pixels[sekunde_led] = rgbdict["rgb_s"][0], rgbdict["rgb_s"][1], rgbdict["rgb_s"][2]
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# Leer setzen
for leer_led in leer_leds:
pixels[leer_led] = rgbdict["rgb_leer"][0], rgbdict["rgb_leer"][1], rgbdict["rgb_leer"][2]
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pixels.show()
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def shutdown():
cmd = "sudo shutdown now"
cmd = shlex.split(cmd)
subprocess.call(cmd)
# Threads
def check_anwesenheit(uhr, pixels):
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"""Funktion, welche als eigener Thread laeuft, um selbststaendig in einem gewissenen Intervall
alle Geraete in der Toml Liste zu pingen
arg: Objekt des neopixel LED Ringes
toml File: status "anwesend", ist kein Geraet von "anwesend" oder "dimmen" erreichbar, LED Helligkeit auf 0
sobald eine Adresse von status "dimmen" erreichbar ist, wird die Helligkeit verringert"""
def ping_ping(ip):
"""pingt die IP 2x an
return (0 | !0) 0 wenn erreichbar"""
befehl = "ping -c2 -W1 {}".format(ip)
cmd = shlex.split(befehl)
return subprocess.call(cmd)
def ping_bt(bt):
"""pingt die IP 2x an
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return (0 | !0) 0 wenn erreichbar"""
befehl = "sudo /usr/bin/l2ping -c1 -t1 {}".format(bt)
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cmd = shlex.split(befehl)
return subprocess.call(cmd)
def ping_arping(ip, interface):
"""pingt die IP 3x an
return (0 | !0) 0 wenn erreichbar
"""
befehl = "/usr/bin/arping -q -c 3 -w 10 -b -f -I {interface} {ip}".format(interface=interface, ip=ip)
cmd = shlex.split(befehl)
return subprocess.call(cmd)
wlanliste = CONFIG["ping"]
interface = CONFIG["interface"]
status_anwesend_liste = []
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delta = datetime.timedelta(seconds=301)
last = datetime.datetime.now()
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status = {}
while True:
helligkeit = uhr.helligkeit
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now = datetime.datetime.now()
# Status der Geräte ermitteln
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if delta.seconds > 300:
for key_status in wlanliste.keys():
for key_funkart in wlanliste[key_status].keys():
for ip in wlanliste[key_status][key_funkart]:
if key_funkart == "ping":
status_return = ping_ping(ip)
elif key_funkart == "bt":
status_return = ping_bt(ip)
elif key_funkart == "arping":
status_return = ping_arping(ip, interface)
else:
status_return = False
if not status_return:
status[key_status] = True
break
else:
status[key_status] = False
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if status["anwesend"]:
status_anwesend_liste = [] # Geraet von anwesend erreichbar
helligkeit = uhr.helligkeit
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elif not status["anwesend"] and not status["dimmen"]: # Wenn kein Geraet erreichbar ist
if len(status_anwesend_liste) < ABSCHALTWERT + 1:
status_anwesend_liste.append(status["anwesend"])
print("Nichts los daheim die ", len(status_anwesend_liste), ".")
if len(status_anwesend_liste) > ABSCHALTWERT:
helligkeit = 0
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if status["dimmen"]:
helligkeit = 0.03
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if now.hour < 5 and not status["dimmen"]:
helligkeit = 0
pixels.brightness = helligkeit
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last = datetime.datetime.now()
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delta = now - last
time.sleep(30)
def main():
letzter_durchlauf = datetime.datetime(1970, 1, 1)
pixels = neopixel.NeoPixel(LED_PIN, LED_COUNT, brightness=CONFIG["led_helligkeit"],
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auto_write=False, pixel_order=LED_PIXEL_ORDER)
uhr = Uhr(pixels, CONFIG["mode_nummer"])
thread_check_wlan = threading.Thread(target=check_anwesenheit, args=(uhr, pixels))
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thread_check_wlan.start()
rgbconf = uhr.rgb_farben_lesen()
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alle_led(rgbconf["rgb_leer"][0], rgbconf["rgb_leer"][1], rgbconf["rgb_leer"][2], pixels)
I_PLUS_TASTER.when_pressed = uhr.helligkeit_erhoehen
I_MINUS_TASTER.when_pressed = uhr.helligkeit_verringern
try:
while True:
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now = datetime.datetime.now()
if (now - letzter_durchlauf) > uhr.durchlauf_pause:
uhr.mode_control(now)
letzter_durchlauf = now
if uhr.helligkeit_geaendert is not None:
if (datetime.datetime.now() - uhr.helligkeit_geaendert) > datetime.timedelta(seconds=30):
CONFIG["led_helligkeit"] = uhr.helligkeit
config_schreiben()
uhr.helligkeit_geaendert = None
time.sleep(uhr.sleep_time)
finally:
pixels.brightness = 0
alle_led(0, 0, 0, pixels)
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if __name__ == "__main__":
main()