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New fermenter support

This commit is contained in:
Nicolò Balzarotti 2023-02-19 20:06:15 +01:00
parent 5991765c60
commit 6758716ae0
2 changed files with 34 additions and 3 deletions
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2
actuators.py
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@ -53,4 +53,6 @@ class MockPIN(Actuator):
actuators = { actuators = {
'heater': (GPIOPin if rpi else MockPIN)(pin=22, initial=GPIO.HIGH, onstate=GPIO.LOW, offstate=GPIO.HIGH), 'heater': (GPIOPin if rpi else MockPIN)(pin=22, initial=GPIO.HIGH, onstate=GPIO.LOW, offstate=GPIO.HIGH),
'fan': (GPIOPin if rpi else MockPIN)(pin=27, initial=GPIO.HIGH, onstate=GPIO.LOW, offstate=GPIO.HIGH),
'humidifier': (GPIOPin if rpi else MockPIN)(pin=17, initial=GPIO.HIGH, onstate=GPIO.LOW, offstate=GPIO.HIGH),
} }

35
sensors.py
View File

@ -7,6 +7,10 @@ from os.path import exists
import RPi.GPIO as GPIO import RPi.GPIO as GPIO
GPIO.setmode(GPIO.BCM) GPIO.setmode(GPIO.BCM)
# SHT40
import board
import adafruit_sht4x
# TODO client: add a way to disable live plotting? server: stop # TODO client: add a way to disable live plotting? server: stop
# sending data periodically to everybody! # sending data periodically to everybody!
@ -63,6 +67,28 @@ class Temperature1W(Sensor):
return (time, None) return (time, None)
return (time, int(re.search("t=([0-9]+)", content[1]).group(1)) / 1000.0) return (time, int(re.search("t=([0-9]+)", content[1]).group(1)) / 1000.0)
class SHT40(Sensor):
def __init__(self, what):
self.measure = what
self.i2c = board.I2C() # uses board.SCL and board.SDA
self.sht = adafruit_sht4x.SHT4x(i2c)
print('Serial: ', hex(self.sht.serial_number))
# FIXME:
self.sht.mode = adafruit_sht4x.Mode.NOHEAT_HIGHPRECISION
# Can also set the mode to enable heater
# sht.mode = adafruit_sht4x.Mode.LOWHEAT_100MS
# modes = [adafruit_sht4x.Mode.HIGHHEAT_1S,
# adafruit_sht4x.Mode.LOWHEAT_100MS,
# adafruit_sht4x.Mode.NOHEAT_HIGHPRECISION]
def read(self):
time = perf_counter()
temperature, relative_humidity = sht.measurements
# print("Temperature: %0.1f C" % temperature)
# print("Humidity: %0.1f %%" % (relative_humidity))
# print("")
return (time, temerature if self.measure == 'Temperature' else relative_humidityg)
class Sensors(): class Sensors():
def __init__(self, history=2621440): def __init__(self, history=2621440):
self.starttime = (datetime.now(), perf_counter()) self.starttime = (datetime.now(), perf_counter())
@ -78,9 +104,12 @@ class Sensors():
def scan(self): def scan(self):
# FIXME: should scan, apply stored data and return this # FIXME: should scan, apply stored data and return this
self.available_sensors = { self.available_sensors = {
'T_ext': Temperature1W('28-06214252b671'), 'T_food': Temperature1W('28-06214252b671'),
'T_food': Temperature1W('28-062142531e5a'), 'T_ext': SHT40('Temperature'),
'heater': GPIOState(22), 'H_ext': SHT40('Humidity'),
'heater': GPIOState(22),
'humidifier': GPIOState(17),
'fan': GPIOState(27),
} }
def list(self): def list(self):