def __init__(self,
main_path,
calfile='/calibration/Flow_Calibration.txt',
dp_thresh=0.0,
verbose=False):
# run in verbose mode?
self.verbose = verbose
self.dp_thresh = dp_thresh
# Initialize the i2c bus
self.i2c = busio.I2C(board.SCL, board.SDA)
# Using the adafruit_lps35hw class to read in the pressure sensor
# note the address must be in decimal.
# allowed addresses are:
# 92 (0x5c - if you put jumper from SDO to Gnd)
# 93 (0x5d - default)
# Set up the sensors
self.sensor2 = adafruit_lps35hw.LPS35HW(self.i2c, address=92)
self.sensor1 = adafruit_lps35hw.LPS35HW(self.i2c, address=93)
self.sensor1.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.sensor2.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.sensor1.low_pass_enabled = True
self.sensor2.low_pass_enabled = True
# Define the unit conversion factor
self.mbar2cmh20 = 1.01972
# Load the flow calibration polynomial coefficients
self.main_path = main_path
self.calfile = calfile
# flow calibration polynomial
if self.verbose:
print(f"trying to load calfile at {calfile}")
self.flowcal = np.loadtxt(self.main_path + self.calfile,
delimiter='\t',
skiprows=1)
# Zero the sensors
self.rezero()
# Initialize the class values
self.read()
def detect_pressure_lps3xhw(self):
try:
import board
import adafruit_lps35hw
#device test
self.sensor_lps35hw = adafruit_lps35hw.LPS35HW(board.I2C())
#self.sensor_lps35hw.low_pass_enabled = True
return True
except:
return False
def detect_pressure_lps3xhw(self):
try:
import board
import adafruit_lps35hw
#device test
self.sensor_lps35hw = adafruit_lps35hw.LPS35HW(board.I2C())
self.sensor_lps35hw.low_pass_enabled = True
#self.sensor_lps35hw.data_rate = adafruit_lps35hw.DataRate.RATE_1_HZ
return True
except:
return False
def __init__(self, asIntPin, enabledCams):
#bus and hardware descriptors1
self.i2c = busio.I2C(board.SCL, board.SDA)
self.lps35hw = adafruit_lps35hw.LPS35HW(self.i2c)
self.si7021 = si(smb(self.bus))
#maybe add delay here?
#self.lightningSensor = as3935.AS3935(asIntPin, self.bus, self.as3935Addr) #this uses a pigpio socket
self.pi = pigpio.pi() #for general gpio, may not end up needing this
#self.cam = multiCam(enabledCams, self.pi,[1]) #init camera board with a=fisheye, c = ir (this could go in main?)
self.adc = Adafruit_ADS1x15.ADS1015() #init adc for wind speed+dir sensor, light intensity
self.rgbSensor = isl29125.ISL29125([0x0d,0x3f,0])
def __init__(self, test_rate=10):
self.run = True
self.current_line = 0
self.current_menu = 0
self.previous_menu = 0
self.units = 0 # 0:mmHg, 1:psi, 2:kPa
self.button_pressed = False
self.i2c = board.I2C()
self.LPS35HW = adafruit_lps35hw.LPS35HW(self.i2c)
self.LPS35HW.zero_pressure()
self.data_rate_object = adafruit_lps35hw.DataRate
self.LPS35HW.data_rate = self.data_rate_object.RATE_50_HZ
self.test_lengths = [10, 20, 30]
self.test_start_time = None
self.test_end_time = None
self.test_rate = test_rate # hz
self.last_test_screen_draw = None
self.run_test = False
self.controller = controller(self)
self.controller.screen.clear_screen()
def _init_stuff(self):
# decouple display
self.state_display_timeout = 1.0
self.state_display_start = 0
displayio.release_displays()
i2c = board.I2C()
display_bus = displayio.I2CDisplay(i2c, device_address=0x3D)
self.display = adafruit_displayio_ssd1306.SSD1306(
display_bus, width=DISPLAY_WIDTH, height=DISPLAY_HEIGHT)
self.min_press_str = "min: %d" % self.min_pressure
self.high_press_str = "hi: %d" % self.high_pressure
self.pressure_sensor = adafruit_lps35hw.LPS35HW(i2c)
self.pressure_sensor.zero_pressure()
self.pressure_sensor.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.pressure_sensor.filter_enabled = True
self.pressure_sensor.filter_config = True
import board
import busio
import adafruit_lps35hw
import time
#import monitor_utils as mu
# Initialize the i2c bus
i2c = busio.I2C(board.SCL, board.SDA)
# Using the adafruit_lps35hw class to read in the pressure sensor
# note the address must be in decimal.
# allowed addresses are:
# 92 (0x5c - if you put jumper from SDO to Gnd)
# 93 (0x5d - default)
p2 = adafruit_lps35hw.LPS35HW(i2c, address=92)
p1 = adafruit_lps35hw.LPS35HW(i2c, address=93)
p1.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
p2.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
mbar2cmh20 = 1.01972
# Now read out the pressure difference between the sensors
print('p1_0 = ', p1.pressure, ' mbar')
print('p1_0 = ', p1.pressure * mbar2cmh20, ' cmH20')
print('p2_0 = ', p2.pressure, ' mbar')
print('p2_0 = ', p2.pressure * mbar2cmh20, ' cmH20')
print('')
print('Now zero the pressure:')
p1.zero_pressure()
import time
import board
import busio
import csv
import adafruit_lps35hw
import adafruit_si7021
from smbus import SMBus as smb
from si7021 import Si7021 as si
import requests
import umsgpack
i2c = busio.I2C(board.SCL, board.SDA)
lps35hw = adafruit_lps35hw.LPS35HW(i2c)
#si7021 = adafruit_si7021.SI7021(i2c)
si7021 = si(smb(1))
lpsTempBuf = []
siTempBuf = []
pressureBuf = []
humBuf = []
testWeatherData = {
'command': 'test',
'data': {
'timeStamp': 1595817930,
'lpsTemp': 524.28,
'lpsPressure': -0.043701171875,
'siTemp': 23.38866455078125,
'relativeHumidity': 49.461883544921875,
'lightData': {
'r': 255,
'g': 255,
def __init__(self, i2c, address=0x5D):
self.lps = LPS.LPS35HW(i2c, address=address)
self.lps.data_rate = LPS.DataRate.RATE_75_HZ
self.lps.low_pass = 1
self.data = self.Data()
def __init__(self,
main_path,
mouthpiece='hamilton',
dp_thresh=0.0,
verbose=False):
# run in verbose mode?
self.verbose = verbose
self.dp_thresh = dp_thresh
# Initialize the i2c bus
self.i2c = busio.I2C(board.SCL, board.SDA)
# Using the adafruit_lps35hw class to read in the pressure sensor
# note the address must be in decimal.
# allowed addresses are:
# 92 (0x5c - if you put jumper from SDO to Gnd)
# 93 (0x5d - default)
# set up the i2c multiplexer
self.i2cmux = adafruit_tca9548a.TCA9548A(self.i2c)
# Set up the sensors
self.sensor2 = adafruit_lps35hw.LPS35HW(self.i2c, address=92)
self.sensor1 = adafruit_lps35hw.LPS35HW(self.i2c, address=93)
self.sensor3 = adafruit_lps35hw.LPS35HW(
self.i2cmux[0]) # this sensor is plugged into the mux on ch 0
self.sensor1.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.sensor2.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.sensor3.data_rate = adafruit_lps35hw.DataRate.RATE_75_HZ
self.sensor1.low_pass_enabled = True
self.sensor2.low_pass_enabled = True
self.sensor3.low_pass_enabled = True
# Load the flow calibration polynomial coefficients
self.main_path = main_path
# define the calibration file based on the mouthpiece
self.set_mouthpiece(mouthpiece)
# Define the unit conversion factor
self.mbar2cmh20 = 1.01972
# Load the flow calibration polynomial coefficients
self.main_path = main_path
# initial offsets are zero
self.p1_offset = 0.0
self.p2_offset = 0.0
self.p_ambient = 0.0
# holds info about whether the sensor is initialized
self.initialized = False
# no flow offset initially
self.dp_offset = 0.0
# Zero the sensors
self.rezero()
# Initialize the class values
self.read()
