def get_lux_readings(logger):
tsl_dict = {}
lux_dict = {}
try:
i2c = busio.I2C(board.SCL, board.SDA)
tca = adafruit_tca9548a.TCA9548A(i2c)
except Exception as e:
logger.error("error at initiating i2c devices :{}".format(str(e)))
return lux_dict
for i in range(8):
try:
tsl_dict["tsl_{}".format(i)] = adafruit_bh1750.BH1750(tca[i])
except Exception as e:
logger.error(
"error in initiating lux sensor at {}th pin :{}".format(
i, str(e)))
pass
for k, tsl in tsl_dict.items():
try:
lux_dict[k] = tsl.lux
except Exception as e:
logger.error("error in reading lux at {}th sensor :{}".format(
i, str(e)))
lux_dict[k] = -1
return lux_dict
def _init_sensor(self):
"""
Initialize sensor (simply save the module), no complicated init needed.
"""
import adafruit_bh1750
import board
i2c = board.I2C()
self._sensor_driver = adafruit_bh1750.BH1750(i2c)
def __init__(self, scl: _LsPin, sda: _LsPin) -> None:
try:
import adafruit_bh1750
except ImportError:
raise RuntimeError(
'Adafruit_BH1750 module is not installed. Run `apt install python3-adafruit-circuitpython-bh1750` as root to install.'
) from ImportError
self._sensor = adafruit_bh1750.BH1750(
_busio.I2C(scl=DigitalInputOutput.lspin_to_libgpiod_pin(scl),
sda=DigitalInputOutput.lspin_to_libgpiod_pin(sda)))
def read_bh1750(self):
"""
@brief Read bh1750 raspberry pi i2c bus
Get lux
"""
try:
with I2C(self._bus) as i2c:
sensor = adafruit_bh1750.BH1750(i2c, address=self._addr)
lux = sensor.lux
if self._debug:
print("Light: %.3f lx" % lux)
return lux
except Exception as e:
print("cannot read bh1750, An exception occurred: {}".format(e))
async def read_sensors(n_try=1, time_sleep=.5):
results = {}
await sleep(time_sleep)
try:
i2c = busio.I2C(board.SCL, board.SDA, frequency=10000)
ads0 = ADS.ADS1115(i2c, address=const(0x48))
ads1 = ADS.ADS1115(i2c, address=const(0x49))
air_meter = adafruit_am2320.AM2320(i2c)
light_meter = adafruit_bh1750.BH1750(i2c)
soil_sensors = [AnalogIn(ads0, i) for i in range(4)]
soil_sensors.append(AnalogIn(ads1, 0))
for i, sensor in enumerate(soil_sensors):
results[f'soil_sensor_{i}'] = sensor.value
results['air_temp'] = air_meter.temperature * (9 / 5) + 32
results['air_humidity'] = air_meter.relative_humidity
results['light_sensor'] = light_meter.lux
except Exception as e:
logger.error(e)
if n_try > 3:
return {}
return await read_sensors(n_try=n_try + 1)
return results
def __init__(self, i2c=None):
super().__init__('rtf_bh1750')
if i2c is None:
self.i2c = busio.I2C(board.SCL, board.SDA, frequency=400000)
else:
self.i2c = i2c
self.sensor = adafruit_bh1750.BH1750(i2c)
# resolution: LOW(4 lx), MEDIUM(1 lx), HIGH (0.5 lx)
self.sensor.resolution = adafruit_bh1750.Resolution.HIGH
# at high and medium, it can take <= 180msec to collect data
self.timer = self.create_timer(Rate.hertz_5, self.callback)
# self.timer = self.create_timer(0.2, self.callback)
self.pub = self.create_publisher(Illuminance, 'illuminance', 10)
# self.pub_pressure = self.create_publisher(FluidPressure, 'pressure', 10)
frame_id = self.declare_parameter('frame_id', "base_imu_link").value
self.msg = Illuminance()
self.msg.header.frame_id = frame_id
self.msg.variance = 0.01
import adafruit_bh1750
import board
from ISStreamer.Streamer import Streamer
# --------- User Settings ---------
BUCKET_NAME = "INSERT BUCKET NAME HERE"
BUCKET_KEY = "INSERT BUCKET KEY HERE"
ACCESS_KEY = "INSERT ACCESS KEY HERE"
MINUTES_BETWEEN_READS = 1
# ---------------------------------
# BH1750 settings
i2c = board.I2C()
sensor = adafruit_bh1750.BH1750(i2c)
sensor.resolution = 1
# Initial State settings
streamer = Streamer(bucket_name=BUCKET_NAME,
bucket_key=BUCKET_KEY,
access_key=ACCESS_KEY)
previousReading = 0
while True:
if (sensor.lux > 5 and previousReading == 0):
previousReading = 1
print("high prev reading", str(previousReading))
print(sensor.lux)
streamer.log("Lux", 1)
streamer.flush()
import adafruit_fona.adafruit_fona_network as network
import adafruit_fona.adafruit_fona_socket as cellular_socket
from secrets import secrets
print("V1")
JSON_URL = "http://www.snerz.at/iot/index.php?light=222"
# Create a serial connection for the FONA connection
uart = busio.UART(board.GP4, board.GP5)
rst = digitalio.DigitalInOut(board.GP3)
analog_in = AnalogIn(board.A3)
print("Create Sens!")
i2c = busio.I2C(scl=board.GP21, frequency=50000, sda=board.GP20)
display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
lux_sens = adafruit_bh1750.BH1750(i2c)
pth_sens = adafruit_bme280.Adafruit_BME280_I2C(i2c, address=0x76)
start = time.monotonic()
display.fill(0)
display.show()
display.show()
pth_sens.sea_level_pressure = 1013.25
#while True:
now = time.monotonic()
ft = now - start
start = time.monotonic()
voltage = round(analog_in.value / 6553.6, 3)
def get_lux_readings():
i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_bh1750.BH1750(i2c)
return {"tsl_9": sensor.lux}