def test_denormalize_brightness() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight._denormalize_brightness(100) == 255
assert backlight._denormalize_brightness(50) == 128
assert backlight._denormalize_brightness(0) == 0
def test_constructor() -> None:
with pytest.raises(TypeError):
Backlight(board_type="foo") # type: ignore[arg-type]
assert not _EMULATOR_SYSFS_TMP_FILE_PATH.exists()
with pytest.raises(RuntimeError):
Backlight(backlight_sysfs_path=":emulator:")
def __init__(self, rootPath):
super().__init__()
self.rootPath = rootPath
self.__server = WebSocketServer(self)
self.__server.start()
self.__relay = PyRelay()
self.__temp = PyTemp()
self.__temp
self.__temp.start()
self.__stats_tab_index = 0
self.__buttons_tab_index = 1
self.enable_gui_switch = True
self.timer = QTimer()
self.timer.timeout.connect(self.__timer_tick)
try:
self.backlight = Backlight()
except:
self.fakeBacklightSysfs = FakeBacklightSysfs()
self.fakeBacklightSysfs.__enter__()
self.backlight = Backlight(
backlight_sysfs_path=self.fakeBacklightSysfs.path)
self.initUI()
self.enable_screensaver()
def test_set_value() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight._set_value(
"brightness", 0) is None # type: ignore[func-returns-value]
assert backlight._get_value("brightness") == 0
def test_normalize_brightness() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight._normalize_brightness(255) == 100
assert backlight._normalize_brightness(128) == 50
assert backlight._normalize_brightness(0) == 0
def set_brighness_level(self, level):
"""
Change screen brightness to value givin as parameter
"""
backlight = Backlight()
backlight.brightness = level
async def resolve(self):
sysfs_path = self.request_context.config.backlight_sysfs_path
if not sysfs_path:
return False
backlight = Backlight(sysfs_path)
with backlight.fade(self.args.fade_duration or 0):
backlight.brightness = self.args.brightness
return True
def test_fade() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight.fade_duration == 0
backlight.fade_duration = 0.1
assert backlight.fade_duration == 0.1
with backlight.fade(duration=0.5) as _val:
assert _val is None
assert backlight.fade_duration == 0.5
assert backlight.fade_duration == 0.1
def decrease_brightness(self, start_hour, finish_hour):
print('start hour {}'.format(start_hour), flush=True)
print('finish hour {}'.format(finish_hour), flush=True)
print('decreasing brightness', flush=True)
if finish_hour > start_hour:
bl = Backlight()
is_on = bl.power
diff = finish_hour - start_hour
half_hour_diff = diff * 2
if is_on:
print('is on', flush=True)
brightness = 50
for x in range(half_hour_diff):
print('brightness at {}'.format(brightness), flush=True)
if brightness < 10:
bl.power = False # turn off the display
else:
if brightness == 10:
brightness = 11 # 11 is the min brightness
with bl.fade(duration=3):
bl.brightness = brightness
# bl.set_brightness(brightness, smooth=True, duration=3)
brightness = brightness - 10
print('sleeping 30 minutes...', flush=True)
time.sleep(60 * 30)
elif finish_hour == start_hour:
bl = Backlight()
bl.power = False
else:
raise Exception(
'the finish hour should be bigger than the start hour')
async def _control(self):
config = self._config.auto_backlight
backlight = Backlight(self._config.backlight_sysfs_path)
i2c = busio.I2C(board.SCL, board.SDA)
veml7700 = adafruit_veml7700.VEML7700(i2c)
backlight.fade_duration = config.fade_duration
while True:
light = veml7700.light
rel_light = min(1, light / config.light_max)
brightness = round(exponential_ease_out(min(1, rel_light)) * 100)
limited_brightness = max(config.brightness_min, brightness)
backlight.brightness = limited_brightness
logger.debug("light: %s, rel_light: %s, brightness: %s, limited_brightness: %s", light, rel_light, brightness, limited_brightness)
await asyncio.sleep(config.refresh)
def __init__(self, config_path):
# Load the configuration.
self._config = configparser.ConfigParser()
if len(self._config.read(config_path)) == 0:
raise RuntimeError(
'Failed to find configuration file at {0}, is the application properly installed?'
.format(config_path))
self._mqttbroker = self._config.get('mqtt', 'broker')
self._mqttuser = self._config.get('mqtt', 'user')
self._mqttpassword = self._config.get('mqtt', 'password')
self._mqttconnectedflag = False
self._mqtt_state_topic = self._config.get('mqtt', 'state_topic')
self._mqtt_command_topic = self._config.get('mqtt', 'command_topic')
self._mqtt_brightness_state_topic = self._config.get(
'mqtt', 'brightness_state_topic')
self._mqtt_brightness_command_topic = self._config.get(
'mqtt', 'brightness_command_topic')
self._mqtt_clientid = self._config.get('mqtt', 'clientid')
self._console_output = self._config.getboolean('misc', 'debug')
# initalise backlight object
try:
self._backlight = Backlight()
self._backlight.fade_duration = self._config.getfloat(
'backlight', 'fade_duration')
except:
self._print(
"Could not initialise backlight component. Are you running this on a RPi?"
)
exit(1)
def main_app(self):
while True:
try:
bl = Backlight()
now = pendulum.now()
print('Current time is {0}'.format(
now.to_day_datetime_string()),
flush=True)
difference = now.diff(self.last_check, False).in_hours()
if difference > 10:
self.check_for_sunset_sunrise(day=now)
hour = now.hour
seconds_to_sleep = 600
if self.wake_time is not None and self.sleep_time is not None:
if (now > self.wake_time) and (now < self.sleep_time):
print('It\'s time to wake up!', flush=True)
bl.power = True
bl.brightness = 50
# lets always sleep 10 minutes instead
# seconds_to_sleep = self.calculate_sleep_time_in_seconds(now_time=now, later_time=self.sleep_time)
print('program sleeping for {0} minutes'.format(
seconds_to_sleep / 60),
flush=True)
elif now >= self.sleep_time:
print('Night time!', flush=True)
self.decrease_brightness(hour, 22)
# we check for tomorrow instead of today
self.check_for_sunset_sunrise(day=now.add(days=1))
# lets always sleep 10 minutes instead
# seconds_to_sleep = self.calculate_sleep_time_in_seconds(now_time=now, later_time=self.wake_time)
print('Sleeping {0} seconds'.format(seconds_to_sleep),
flush=True)
time.sleep(seconds_to_sleep)
else:
# re initialize because times are NONE
self.check_for_sunset_sunrise(day=now)
except Exception as e:
print('Error running main_app : {0}'.format(e))
def __init__(self):
self.contador = 0
self.th1 = Thread(target=self.reader)
self.th2 = Thread(target=self.counter)
self.th1.start()
self.th2.start()
self.mut = Semaphore(1)
self.back = Backlight()
async def resolve(self):
sysfs_path = self.request_context.config.backlight_sysfs_path
if not sysfs_path:
return 0
backlight = Backlight(sysfs_path)
return backlight.brightness
def _set_brightness(self, brightness):
try:
disp_type = self._display_type
if self._runtime_system.is_target_system:
if disp_type == DISP_TYPE_WAVESHARE_5_LCD:
pwm_val = brightness * 10 # actually 1023 is max
pin = self._waveshare_brightness_pin
os.system("gpio -g pwm " + str(pin) + " " + str(pwm_val))
elif disp_type == DISP_TYPE_RPI:
backlight = Backlight()
backlight.fade_duration = 0.5
backlight.brightness = brightness
else:
os.system("vcgencmd display_power 0")
# save set value
self._brightness = brightness
except Exception as error:
self._logger.error(
"Display: Cannot set display brightness to %i: %s", brightness,
str(error))
def __init__(self, backlight_sysfs_path: Path) -> None:
QMainWindow.__init__(self)
self.backlight = Backlight(backlight_sysfs_path)
self.screenshot = QPixmap(get_image_path("raspbian.png"))
self.image_display_on = load_display_image(
get_image_path("display_on.png"))
self.image_display_off = load_display_image(
get_image_path("display_off.png"))
widget = QWidget()
checkbox_layout = QBoxLayout(QBoxLayout.LeftToRight)
main_layout = QBoxLayout(QBoxLayout.TopToBottom)
brightness_slider_label = QLabel("Brightness", widget)
self.live_screen_checkbox = QCheckBox("Show live screen", widget)
self.live_screen_checkbox.stateChanged.connect(self.update_screen)
self.power_checkbox = QCheckBox("Power", widget)
self.power_checkbox.stateChanged.connect(self.write_power_change)
self.brightness_slider = QSlider(Qt.Horizontal, widget)
self.brightness_slider.valueChanged.connect(
self.write_brightness_change)
self.brightness_slider.setSingleStep(1)
self.brightness_slider.setMinimum(0)
self.brightness_slider.setMaximum(100)
self.screen_image = QLabel()
checkbox_layout.addWidget(self.power_checkbox)
checkbox_layout.addWidget(self.live_screen_checkbox)
main_layout.addLayout(checkbox_layout)
main_layout.addWidget(brightness_slider_label)
main_layout.addWidget(self.brightness_slider)
main_layout.addWidget(self.screen_image)
widget.setLayout(main_layout)
self.thread = FileWatcherThread(self, backlight_sysfs_path)
self.thread.file_changed.connect(self.update_widgets)
self.thread.start()
self.timer = QTimer(self)
self.timer.setInterval(100)
self.timer.timeout.connect(self.update_screen)
self.timer.start()
self.update_widgets("bl_power")
self.update_widgets("brightness")
self.setCentralWidget(widget)
self.setWindowTitle('Raspberry Pi 7" display backlight emulator')
self.setWindowIcon(QIcon(get_image_path("icon.png")))
def test_set_brightness() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
backlight.brightness = 50
assert backlight.brightness == 50
backlight.brightness = 0
assert backlight.brightness == 0
with pytest.raises(TypeError):
backlight.brightness = "foo"
with pytest.raises(TypeError):
backlight.brightness = True
with pytest.raises(ValueError):
backlight.brightness = 101
with pytest.raises(ValueError):
backlight.brightness = -1
def test_set_fade_duration() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
backlight.fade_duration = 0.5
assert backlight.fade_duration == 0.5
backlight.fade_duration = 1
assert backlight.fade_duration == 1
with pytest.raises(ValueError):
backlight.fade_duration = -1
with pytest.raises(TypeError):
backlight.fade_duration = "foo"
with pytest.raises(TypeError):
backlight.fade_duration = True
def test_set_power() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
backlight.power = False
assert backlight.power is False
backlight.power = True
assert backlight.power is True
with pytest.raises(TypeError):
backlight.power = "foo"
with pytest.raises(TypeError):
backlight.power = 1
def fadeTo(brightPercent, durationSeconds):
backlight = Backlight()
with backlight.fade(duration=durationSeconds):
backlight.brightness = brightPercent
def openSettings():
global settingsWindow
global brightnessSlider
global roomIdString
global roomId
global urlLabel
settingsWindow = tk.Tk()
settingsWindow.attributes("-fullscreen", True)
settingsWindow.configure(bg="black")
settingsWindow.columnconfigure(0, weight=3)
settingsWindow.columnconfigure(1, weight=9)
settingsWindow.columnconfigure(2, weight=4)
settingsWindow.rowconfigure((0, 1, 2, 3, 4, 5, 6, 7), weight=1)
brightnessLabel = tk.Label(settingsWindow,
bg="black",
fg="white",
font=mediumFontBold,
text="Brightness")
brightnessLabel.grid(row=2, column=0)
brightnessSlider = tk.Scale(settingsWindow,
from_=5,
to=100,
orient=tk.HORIZONTAL,
fg=blue,
bg="black",
bd=0,
highlightthickness=0,
font=smallFont,
width=40,
sliderrelief=tk.FLAT,
highlightcolor=blue,
command=changeBrightness)
brightnessSlider.set(Backlight().brightness)
brightnessSlider.grid(row=2, column=1, padx=10, sticky="NSEW")
roomLabel = tk.Label(settingsWindow,
font=mediumFontBold,
fg="white",
bg="black",
text="Room ID")
roomLabel.grid(row=4, column=0)
roomIdString = tk.StringVar()
roomId = tk.Entry(settingsWindow,
font=mediumFontBold,
textvariable=roomIdString)
roomId.grid(row=4, column=1, sticky="EW", padx=10)
urlLabel = tk.Label(settingsWindow, bg="black", fg="white", font=smallFont)
urlLabel.grid(row=6, column=0, columnspan=2)
updateRoomId()
setBtn = tk.Button(settingsWindow,
text="Set",
bg=green,
activebackground=green,
fg="black",
relief=tk.FLAT,
font=mediumFont,
command=setRoomId)
setBtn.grid(row=5, column=1)
backBtn = tk.Button(settingsWindow,
text="Back",
bg=green,
activebackground=green,
relief=tk.FLAT,
font=mediumFont,
command=back)
backBtn.grid(row=0, column=0, sticky="NW")
updateBtn = tk.Button(settingsWindow,
text="Update",
bg=purple,
activebackground=purple,
relief=tk.FLAT,
font=largeFont,
command=update)
updateBtn.grid(row=0, column=2, rowspan=2, sticky="NSEW")
rebootBtn = tk.Button(settingsWindow,
text="Reboot",
bg=red,
activebackground=red,
relief=tk.FLAT,
font=largeFont,
command=reboot)
rebootBtn.grid(row=6, column=2, rowspan=2, sticky="NSEW")
shutDownBtn = tk.Button(settingsWindow,
text="Shut Down",
bg=red,
activebackground=red,
relief=tk.FLAT,
font=largeFont,
command=shutDown)
shutDownBtn.grid(row=4, column=2, rowspan=2, sticky="NSEW")
quitBtn = tk.Button(settingsWindow,
text="Quit",
bg=red,
activebackground=red,
relief=tk.FLAT,
font=largeFont,
command=close)
quitBtn.grid(row=2, column=2, rowspan=2, sticky="NSEW")
settingsWindow.mainloop()
def test_get_power() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight.power is True
def test_get_fade_duration() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight.fade_duration == 0
def test_get_brightness() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight.brightness == 100
import socket
from rpi_backlight import Backlight
backlight = Backlight()
UDP_IP = ''
UDP_PORT = 50007
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind((UDP_IP, UDP_PORT))
while True:
data, addr = sock.recvfrom(1024)
if data == b'display_on':
backlight.power = True
if data == b'display_off':
backlight.power = False
if data == b'display_low':
backlight.brightness = 10 oder 25
if data == b'display_medium':
backlight.brightness = 30 oder 50
if data == b'display_high':
backlight.brightness = 100 oder 75
def __init__(self, cfg: dict) -> None:
super().__init__()
bell_config = MqttStringConfig(**cfg['bell'])
door_list = []
for door, d_cfg in cfg['doors'].items():
print(f"new_door: {door}")
new_door = Door(door_id=door,
name=d_cfg['name'],
command_topic=d_cfg['command_topic'],
state_topic=d_cfg['state_topic'])
# new_door.set_relay()
door_list.append(new_door)
doors_config = DoorsConfig(doors=door_list)
print(cfg['garage'])
garage_config = MqttStringConfig(**cfg['garage'])
mode_config = MqttStringConfig(**cfg['mode'])
self.kelvin = kelvin_rgb_to_kivy()
self.azure = get_color_from_hex('#f0ffff')
self.theme_cls = ThemeManager()
self.theme_cls.primary_palette = "Blue"
self.theme_cls.primary_hue = "500"
self.theme_cls.accent_palette = "Yellow"
self.theme_cls.accent_palette_hue = "500"
self.theme_cls.theme_style = "Light"
self.doors_config = doors_config
self.bell_config = bell_config
self.garage_config = garage_config
self.mode_config = mode_config
self.backlight = Backlight()
## GUI ##
self.gui = ScreenManager(transition=NoTransition())
try:
self.screens = config.screens
except AttributeError:
self.screens = None
else:
for screen in self.screens:
print(f'New screen: {screen}')
try:
import_statemet = self.screens[screen][
"import"] + ' as NewScreen'
print(import_statemet)
exec(import_statemet)
except Exception as e:
print(e)
else:
screen_kwargs = {}
screen_kwargs.update({'name': screen})
# screen_kwargs.update({'controller':self})
# screen_kwargs.update({'sub':self.screens[screen].get("sub", None)})
# screen_kwargs.update({'memory':kwargs.get(screen,None)})
print(f'SCREEN NAME IS: {screen}')
print(f'with kwargs: {screen_kwargs}')
self.screens[screen]["object"] = eval('NewScreen')(
**screen_kwargs)
self.gui.add_widget(self.screens[screen]["object"])
self.change_screen(self.gui.screen_names[0])
def __init__(self):
logger.debug('Initializing Backlight()')
self.backlight = Backlight()
logger.info('Backlight starting brightness is %d',
self.backlight.brightness)
def changeBrightness(event):
brightness = brightnessSlider.get()
Backlight().brightness = brightness
import glob
import sys
from ft5406 import Touchscreen, TS_PRESS, TS_RELEASE, TS_MOVE
from math import floor
from subprocess import call
from subprocess import check_output
import subprocess as SP
from rpi_backlight import Backlight
screenState = "/home/pi/pi-tablet_retropie/assets/currentDisplayMode"
PNGVIEWPATH = "/home/pi/pi-tablet_retropie/assets/pngview/"
ICONPATH = "/home/pi/pi-tablet_retropie/assets/icons"
brightLast = ""
volumeLast = ""
layerList = []
backlight = Backlight()
def read_and_emulate_mouse(event, touch):
global startX
global startY
global startTime
global shouldRun
global brightLast
global volumeLast
global killid
global layerList
if event == TS_RELEASE:
os.system("sudo kill " +
"$(ps aux | grep '[p]ngview' | awk '{print $2}')")
layerList = []
def test_set_value() -> None:
with FakeBacklightSysfs() as backlight_sysfs:
backlight = Backlight(backlight_sysfs_path=backlight_sysfs.path)
assert backlight._set_value("brightness", 0) is None
assert backlight._get_value("brightness") == 0
