def __init__(self):
self._logger = Logger("Humidistat")
self._logger.setLevel(Logger.INFO)
self._logger.debug("initialize Humidistat object")
self._co2 = SCD30()
self._humidifier = Humidifier()
self._target_rh = 80
def co2_attach():
scl_pin_scd30 = Pin(pin_I2C_SCL, Pin.IN, Pin.PULL_UP)
sda_pin_scd30 = Pin(pin_I2C_SDA, Pin.IN, Pin.PULL_UP)
i2c_scd30 = I2C(scl=scl_pin_scd30, sda=sda_pin_scd30, freq=40000)
### debug scan i2c_scd30-bus and print found devices
DEBUG = True
if DEBUG:
dev_scd30 = i2c_scd30.scan()
print("idev= ", end='');
print(dev_scd30)
time.sleep_ms(200)
### attach to sensor
scd30 = SCD30(i2c_scd30, 0x61)
scd30.soft_reset()
time.sleep_ms(1000)
fw_version = scd30.get_firmware_version()
print("SCD30 Firmware Version: major=0x%02x minor=0x%02x" % fw_version)
scd30.set_measurement_interval(2)
time.sleep_ms(100)
scd30.start_continous_measurement()
time.sleep_ms(100)
return scd30
def getSCD(self):
"""Record CO2 sensor (scd30)
Generates co2, temperature and relative humidity
Args:
None
Returns:
None
Raises:
None
"""
from scd30 import SCD30
self._scd = SCD30(self._logger)
self._logger.debug("In SCD30")
try:
co2, temp, rh = self._scd.get_data()
status = 'Success'
if self._test:
status = 'Test'
c_rec = [
'Environment_Observation', '', 'Top', 'Air', 'CO2',
"{:10.1f}".format(co2), 'ppm', 'scd30', status, ''
]
t_rec = [
'Environment_Observation', '', 'Top', 'Air', 'Temperature',
"{:10.1f}".format(temp), 'Centigrade', 'scd30', status, ''
]
h_rec = [
'Environment_Observation', '', 'Top', 'Air', 'Humidity',
"{:10.1f}".format(rh), 'Percent', 'scd30', status, ''
]
self._persist.save(c_rec)
self._persist.save(t_rec)
self._persist.save(h_rec)
self._logger.info("{} {:6.1f}, {} {:3.1f}, {} {:3.1f}".format(
"EnvObsv-CO2:", co2, "Temp", temp, "Humidity:", rh))
except Exception as e:
status = 'Failure'
if self._test:
status = 'Test'
c_rec = [
'Environment_Observation', '', 'Top', 'Air', 'CO2', '', 'ppm',
'scd30', status,
str(e)
]
t_rec = [
'Environment_Observation', '', 'Top', 'Air', 'Temperature', '',
'Centigrde', 'scd30', status, ''
]
h_rec = [
'Environment_Observation', '', 'Top', 'Air', 'Humidity', '',
'Percent', 'scd30', status, ''
]
self._persist.save(c_rec)
self._persist.save(t_rec)
self._persist.save(h_rec)
self._logger.debug("{} {}".format("EnvObsv-SCD30 Error:", e))
def __init__(self, update_env=600):
self._scd30 = SCD30(use_pin=True)
self._ccs811 = CCS811(use_pin=True)
self.CO2 = 0
self.eCO2 = 0
self.temp = 0
self.temp_NTC = 0
self.hum = 0
self.TVOC = 0
self._update_env = update_env
gevent.spawn(self._data_loop)
gevent.spawn(self._update_env_loop)
def __init__(self, send_queue):
self.sendToQueue = send_queue
self.uuid = my_ids.UUID()
self.bme280 = BME280()
self.measurement_interval = 60
auto_calibration = 1
self.scd30 = SCD30(self.measurement_interval, auto_calibration,
int(self.bme280.read_pressure()))
self.lock = threading.Lock()
self.current_pressure = None
self.current_scd30_data = None
self.readThread = threading.Thread(target=self.read_thread)
self.readThread.setDaemon(True)
self.readThread.start()
def getAirCanopyCO2Obsv(self, test=False):
'''CO2 from the canopy (SCD30 Sensiron sensor)
Args:
self:
test:
Returns:
None:
Raises:
None
'''
status_qualifier = 'Success'
co2 = 0
temp = 0
rh = 0
try:
sensor = SCD30()
sensor.start_periodic_measurement(test)
co2, temp, rh = sensor.get_data(test)
if test:
status_qualifier = 'Test'
saveList([self._activity_type, '', 'Canopy', 'Air', 'CO2', "{:3.1f}".format(co2), 'ppm', 'SCD30', status_qualifier,''])
self._logger.debug("{}, {}, {:10.1f}".format("Canopy CO2", status_qualifier, co2))
saveList([self._activity_type, '', 'Canopy', 'Air', 'Temperature', "{:3.1f}".format(temp), 'ppm', 'SCD30', status_qualifier,''])
self._logger.debug("{}, {}, {:10.1f}".format("Canopy Temperature", status_qualifier, temp))
saveList([self._activity_type, '', 'Canopy', 'Air', 'Humidity', "{:3.1f}".format(rh), 'ppm', 'SCD30', status_qualifier,''])
self._logger.debug("{}, {}, {:10.1f}".format("Canopy Humidity", status_qualifier, rh))
except Exception as e:
status_qualifier = 'Failure'
if test:
status_qualifier = 'Test'
saveList([self._activity_type, '', 'Canopy', 'Air', 'CO2', '', 'ppm', 'SCD30', status_qualifier,str(e)])
self._logger.error("{}, {}".format("Canopy CO2", e))
saveList([self._activity_type, '', 'Canopy', 'Air', 'Temperature', '', 'c', 'SCD30', status_qualifier,str(e)])
self._logger.error("{}, {}".format("Canopy CO2", e))
saveList([self._activity_type, '', 'Canopy', 'Air', 'Humidity', '', 'percent', 'SCD30', status_qualifier,str(e)])
self._logger.error("{}, {}".format("Canopy Humidity", e))
from pyb import LED
import sys, os, pyb
import machine
from machine import Pin
import time
import utime
from scd30 import SCD30
from machine import I2C
errled = LED(1)
led = LED(2)
# Get Sensor, should be scannable here...
i2c = I2C(1)
scd30 = SCD30(i2c, 0x61)
# Make sure we have a SD card!
sd = pyb.SDCard()
if sd.present() != 1:
errled.on()
machine.deepsleep()
# Power off the board...
sd.power(0)
en_3v3 = Pin('EN_3V3')
en_3v3.value(0)
while True:
data = {}
from scd30 import SCD30
sensor = SCD30()
data = sensor.get_data_ready()
print("result:")
for byte in data:
print(byte)
def __init__(self):
self.logger = Logger("CO2_stat")
self.logger.debug("initialize CO2 controller object")
self._co2 = SCD30(self.logger)
self._fan = Fan(self.logger)