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Original file line number | Diff line number | Diff line change |
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""" | ||
TSL2561 luminosity sensor | ||
""" | ||
import threading | ||
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from typing import cast | ||
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from ...types import CerberusSchemaType, ConfigType, SensorValueType | ||
from . import GenericSensor | ||
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REQUIREMENTS = ("adafruit-circuitpython-tsl2561",) | ||
CONFIG_SCHEMA: CerberusSchemaType = { | ||
"chip_addr": dict(type="integer", required=False, empty=False, default=0x48), | ||
"integration_time": dict( | ||
required=False, | ||
empty=False, | ||
allowed=[13.7, 101, 402], | ||
default=101, | ||
), | ||
"gain": dict( | ||
required=False, | ||
empty=False, | ||
allowed=[1, 16], | ||
default=1, | ||
), | ||
} | ||
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class Sensor(GenericSensor): | ||
""" | ||
Implementation of Sensor class for the Adafruit_ADS1x15. | ||
""" | ||
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SENSOR_SCHEMA: CerberusSchemaType = { | ||
"type": dict( | ||
type="string", | ||
required=False, | ||
empty=False, | ||
allowed=["broadband", "infrared", "lux"], | ||
default="lux", | ||
), | ||
} | ||
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def setup_module(self) -> None: | ||
# pylint: disable=import-outside-toplevel,attribute-defined-outside-init | ||
# pylint: disable=import-error,no-member | ||
import board # type: ignore | ||
import busio # type: ignore | ||
import adafruit_tsl2561 | ||
# Create the I2C bus | ||
self.i2c = busio.I2C(board.SCL, board.SDA) | ||
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# Convert sensor address from hex to dec | ||
self.address = 57 | ||
if self.config["chip_addr"] == 0x39: | ||
self.address = 57 | ||
elif self.config["chip_addr"] == 0x49: | ||
self.address = 73 | ||
elif self.config["chip_addr"] == 0x29: | ||
self.address = 41 | ||
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self.tsl = adafruit_tsl2561.TSL2561(self.i2c, self.address) | ||
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# Set gain 0=1x, 1=16x | ||
if self.config["gain"] == 1: | ||
self.tsl.gain = 0 | ||
elif self.config["gain"] == 16: | ||
self.tsl.gain = 1 | ||
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# Set integration time (0=13.7ms, 1=101ms, 2=402ms, or 3=manual) | ||
if self.config["integration_time"] == 13.7: | ||
self.tsl.integration_time = 0 | ||
elif self.config["integration_time"] == 101: | ||
self.tsl.integration_time = 1 | ||
elif self.config["integration_time"] == 402: | ||
self.tsl.integration_time = 2 | ||
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self.tsl.enabled = True | ||
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#print("tsl2561 Enabled = {}".format(self.tsl.enabled)) | ||
#print("tsl2561 Gain = {}".format(self.tsl.gain)) | ||
#print("tsl2561 Integration time = {}".format(self.tsl.integration_time)) | ||
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def get_value(self, sens_conf: ConfigType) -> SensorValueType: | ||
import time | ||
""" | ||
Get the values from the sensor | ||
""" | ||
self.tsl.enabled = True # Enable sensor | ||
time.sleep(1) | ||
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sens_type = sens_conf["type"] | ||
data = dict( | ||
broadband=self.tsl.broadband, | ||
infrared=self.tsl.infrared, | ||
lux=self.tsl.lux | ||
) | ||
if data[sens_type] is None: # Possible sensor underrange or overrange. | ||
data[sens_type] = -1 | ||
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self.tsl.enabled = False # Disable for energy savings | ||
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return cast( | ||
float, | ||
data[sens_type], | ||
) |