def observe(self):
with busio.I2C(board.SCL, board.SDA) as i2c:
self.data["uv"] = Sensor.VEML6070(i2c).uv_raw
self.data["time"] = datetime.fromtimestamp(
datetime.now().timestamp(), tz=timezone.utc)
for i in self.data:
logger.debug(f'outcome: {self.data[i]}, short_name: {i}')
def __init__(self, channel, tca=None, precision=3):
if tca:
channel = tca[channel]
# favor precision
device = adafruit_veml6070.VEML6070(channel, "VEML6070_4_T")
self.device = device
self.precision = precision
# output is unitless, 'light intensity' - 0-9999
self.accepted_units = ["intensity"]
def read(self, SIO):
try:
if self.sens is None:
i2c = busio.I2C(board.SCL, board.SDA)
self.sens = adafruit_veml6070.VEML6070(i2c, 'VEML6070_4_T')
self.t = time.time()
#self.sens.wake()
self.UV = self.sens.uv_raw * 0.25
#self.sens.sleep()
print(self.UV)
except:
traceback.print_exc()
self.sens = None
return
SIO.log_readout(self.UV_id, self.UV, self.t)
# VEML6070 Driver Example Code
import time
import busio
import board
import adafruit_veml6070
with busio.I2C(board.SCL, board.SDA) as i2c:
uv = adafruit_veml6070.VEML6070(i2c)
# Alternative constructors with parameters
#uv = adafruit_veml6070.VEML6070(i2c, 'VEML6070_1_T')
#uv = adafruit_veml6070.VEML6070(i2c, 'VEML6070_HALF_T', True)
# take 10 readings
for j in range(10):
uv_raw = uv.uv_raw
risk_level = uv.get_index(uv_raw)
print('Reading: {0} | Risk Level: {1}'.format(uv_raw, risk_level))
time.sleep(1)
def __init__(self):
i2c = busio.I2C(board.SCL, board.SDA)
self.uv = adafruit_veml6070.VEML6070(i2c)
import typer
import adafruit_tca9548a
import adafruit_veml6070
import board
import busio
# Initialize I2C bus and sensor.
i2c = busio.I2C(board.SCL, board.SDA)
# mux
tca2 = adafruit_tca9548a.TCA9548A(i2c, address=0x72)
# each sensor
uv_sensor = adafruit_veml6070.VEML6070(tca2[4])
def main(num: int = 100):
for i in range(num):
try:
uv = uv_sensor.uv_raw
except OSError:
uv = None
print(f"uv. {uv: 0.3f}")
time.sleep(1.0)
if __name__ == "__main__":
typer.run(main)
