def update_Dataframe(updated_time, ADC_Value):
analog_Steam_Sensor_1 = ADC_Value[constants.STEAM_SENSOR1]
analog_Steam_Sensor_2 = ADC_Value[constants.STEAM_SENSOR2]
analog_Steam_Sensor_3 = ADC_Value[constants.STEAM_SENSOR3]
humidity_Steam_Sensor_1 = to_Humidity(analog_Steam_Sensor_1)
humidity_Steam_Sensor_2 = to_Humidity(analog_Steam_Sensor_2)
humidity_Steam_Sensor_3 = to_Humidity(analog_Steam_Sensor_3)
RTD1 = adafruit_max31865.MAX31865(constants.RTD_SPI, constants.CS1, rtd_nominal=1000, ref_resistor=4300.0, wires=3)
RTD2 = adafruit_max31865.MAX31865(constants.RTD_SPI, constants.CS2, rtd_nominal=1000, ref_resistor=4300.0, wires=3)
temp1 = RTD1.temperature
temp2 = RTD2.temperature
if ((temp1 > 200) | (temp2 > 200)):
temp1, temp2 = np.nan, np.nan
else:
temp1, temp2 = temp1, temp2
if not ((humidity_Steam_Sensor_1 >= constants.THRESHOLD) | (humidity_Steam_Sensor_2 >= constants.THRESHOLD) | (humidity_Steam_Sensor_3 >= constants.THRESHOLD)):
new_row = {'Time (min)':updated_time,
'Steam Sensor 1 (Count)':0, 'Humidity 1 (%)':0,
'Steam Sensor 2 (Count)':0, 'Humidity 2 (%)':0,
'Steam Sensor 3 (Count)':0, 'Humidity 3 (%)':0,
'Steam Temp. (C)':temp1, 'Surrounding Temp. (C)':temp2}
constants.df = constants.df.append(new_row, ignore_index = True)
if ((humidity_Steam_Sensor_1 >= constants.THRESHOLD) | (humidity_Steam_Sensor_2 >= constants.THRESHOLD) | (humidity_Steam_Sensor_3 >= constants.THRESHOLD)):
new_row = {'Time (min)':updated_time,
'Steam Sensor 1 (Count)':analog_Steam_Sensor_1, 'Humidity 1 (%)':humidity_Steam_Sensor_1,
'Steam Sensor 2 (Count)':analog_Steam_Sensor_2, 'Humidity 2 (%)':humidity_Steam_Sensor_2,
'Steam Sensor 3 (Count)':analog_Steam_Sensor_3, 'Humidity 3 (%)':humidity_Steam_Sensor_3,
'Steam Temp. (C)':temp1, 'Surrounding Temp. (C)':temp2}
constants.df = constants.df.append(new_row, ignore_index = True)
def main():
# -- PT1000 sensor initialization --
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Chip select of the MAX31865 board.
cs = digitalio.DigitalInOut(board.D5)
# Current setup for pt1000
sensor = adafruit_max31865.MAX31865(spi, cs, wires=3)
# -- set parameters --
#runinfo = open("runinfo.txt", "r")
#sn = runinfo.read()
#runinfo.close()
run_number = input("Run number: ")
filename = 'run%s_temperature_data.txt' % (run_number)
start_time = time.time()
print('Start time: %s' % (time.ctime(start_time)))
print('Estimated end time: %s' % (time.ctime(start_time + 43200)))
save_path = '/home/pi/tempstudy/data/'
file = save_path + filename
f = open(file,'w')
f.close()
data = get_temperatures(sensor, file)
f.close()
sync_data(filename)
def initialize_input(self):
import busio
import board
import digitalio
import adafruit_max31865
bcm_to_board = [
board.D1, board.D2, board.D3, board.D4, board.D5, board.D6,
board.D7, board.D8, board.D9, board.D10, board.D11, board.D12,
board.D13, board.D14, board.D15, board.D16, board.D17, board.D18,
board.D19, board.D20, board.D21, board.D22, board.D23, board.D24,
board.D25, board.D26, board.D27
]
self.thermocouple_type = self.input_dev.thermocouple_type
if self.thermocouple_type == 'PT100':
self.rtd_nominal = 100
elif self.thermocouple_type == 'PT1000':
self.rtd_nominal = 1000
self.ref_ohm = self.input_dev.ref_ohm
self.spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
self.cs = digitalio.DigitalInOut(bcm_to_board[self.cs_pin - 1])
self.sensor = adafruit_max31865.MAX31865(self.spi,
self.cs,
rtd_nominal=self.rtd_nominal,
ref_resistor=self.ref_ohm,
wires=int(self.wires))
def __init__(self, cspin, nwires, ref_resistor=430.0, **kwargs):
Spime.__init__(self, **kwargs)
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.pin.Pin(cspin))
self.sensor = adafruit_max31865.MAX31865(spi,
cs,
ref_resistor=ref_resistor,
wires=nwires)
def __init__(self, sck, mosi, miso, cs, wires=2):
self.spi = busio.SPI(sck, MOSI=mosi, MISO=miso)
self.cs = digitalio.DigitalInOut(cs)
self.sensor = adafruit_max31865.MAX31865(
self.spi,
self.cs,
wires=wires,
rtd_nominal=constants.TEMPERATURE_NOMINAL_RESISTANCE,
ref_resistor=constants.TEMPERATURE_REF_RESISTANCE,
)
def __init__(self, settings):
## Create Software SPI controller. MAX31865 requires polarity of 0 and phase of 1.
## Currently, the micropython on the ESP32 does not support hardware SPI
sck = Pin(5, Pin.OUT)
mosi = Pin(18, Pin.IN)
miso = Pin(19, Pin.OUT)
spi = SPI(baudrate=50000,
sck=sck,
mosi=mosi,
miso=miso,
polarity=0,
phase=1)
## Create SPI Chip Select pins
cs1 = Pin(33, Pin.OUT, value=1)
cs2 = Pin(15, Pin.OUT, value=1)
cs3 = Pin(32, Pin.OUT, value=1)
cs4 = Pin(14, Pin.OUT, value=1)
css = [cs1, cs2, cs3, cs4]
self.sensors = []
self.sensor_info = []
idx = 0
## Create array of active RTD sensors and information about them
for name in settings['device']['sensors']:
idx += 1
if name.upper() == "DISABLE":
continue
self.sensors.append([
idx,
max31865.MAX31865(spi,
css[idx - 1],
wires=4,
rtd_nominal=RTD_NOMINAL,
ref_resistor=RTD_REFERENCE)
])
self.sensor_info.append({
"id": idx,
"scale": settings['device']['scale'],
"type": "temperature",
"sensor": "RTD1000 -> MAX31865",
"name": name
})
self.scale = settings['device']['scale']
self.to_int = settings['device']['to_int']
def _initialize_hardware(self):
'''Set up the sensor and relay'''
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(getattr(board, f'D{self.sensor_pin}'))
sensor = adafruit_max31865.MAX31865(spi,
cs,
wires=3,
rtd_nominal=1000.0,
ref_resistor=4300.0)
# set up relay
GPIO.setmode(GPIO.BCM)
GPIO.setup(self.relay_pin, GPIO.OUT)
return sensor
def read_temperature(pin, wires=3):
'''
Inputs:
pin - in the format board.D<pin> where <pin> is the pin you want to read the sensor on.
Outputs:
Sensor temperature in degrees C.
'''
try:
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(pin)
sensor = adafruit_max31865.MAX31865(spi, cs, wires=wires)
return sensor.temperature
except:
return -9999
def init(self):
spi = board.SPI()
cs = digitalio.DigitalInOut(self.CS)
self.sensor = adafruit_max31865.MAX31865(spi, cs, wires=self.NWires, rtd_nominal=self.R0,
ref_resistor=self.Rref)
if self.sensor.resistance == 0.:
print("MAX31865: unphysical resistance read, assuming SPI communication error")
sys.exit(1)
# Provide configuration parameters
if self.NChannels == 1:
self.ChanLims = [[-10., 110.]]
self.ChanNams = ['T']
else:
self.ChanLims = [[-10., 110.], [0.9*self.R0, 1.1*self.R0]]
self.ChanNams = ['T', 'R']
def init(self):
print('initializing RTD...')
import board
import busio
import digitalio
import adafruit_max31865
SCK = board.SCK
MOSI = board.MOSI
MISO = board.MISO
CE = board.CE0
R_NOM = 100.0
R_REF = 430.0
spi = busio.SPI(SCK, MOSI=MOSI, MISO=MISO)
cs = digitalio.DigitalInOut(CE)
self.rtd = adafruit_max31865.MAX31865(spi,
cs,
rtd_nominal=R_NOM,
ref_resistor=R_REF)
def __init__(self,
interval=1,
host='localhost',
port=8080): # update interval in seconds
super().__init__()
self.host, self.port = host, port
self.interval = interval
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(
board.D5) # Chip select of the MAX31865 board.
self.sensor = adafruit_max31865.MAX31865(spi, cs, ref_resistor=430.0)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)
# finally , start the tread
self.start()
def __init__(self, port, ch, wires=4): self.wires = wires self.port = port self.ch = ch self.cs_pin = self.chip_select_pin(port,ch) if not self.cs_pin: sys.exit() # port 0 parameters clk = 11 mosi = 10 miso = 9 if port == 1: clk = 21 mosi = 20 miso = 19 self.clk = clk self.mosi = mosi self.miso = miso self.spi = busio.SPI(self.clk,MOSI=self.mosi, MISO=self.miso) self.cs = digitalio.DigitalInOut(self.cs_pin) self.sensor = adafruit_max31865.MAX31865(self.spi, self.cs, wires=self.wires)
cs2 = machine.Pin(15, machine.Pin.OUT, value=1)
cs3 = machine.Pin(32, machine.Pin.OUT, value=1)
cs4 = machine.Pin(14, machine.Pin.OUT, value=1)
css = [cs1, cs2, cs3, cs4]
sensors = []
idx = 0
## Create array of active RTD sensors and information about them
for cs in css:
idx += 1
sensors.append(
max31865.MAX31865(spi,
css[idx - 1],
wires=4,
rtd_nominal=RTD_NOMINAL,
ref_resistor=RTD_REFERENCE))
def timestamp():
return float(time.ticks_ms()) / 1000.0
boot_time = timestamp()
while True:
data = [timestamp() - boot_time
] + [sensor.temperature for sensor in sensors]
print(','.join(map(str, data)))
from datetime import datetime
import sys
import board
import busio
import digitalio
import os
import csv
import adafruit_max31865
path = "/home/pi/AWS/Data/"
file_path = os.path.join(path, "ice_temp.csv")
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D17) # Chip select of the MAX31865 board.
sensor = adafruit_max31865.MAX31865(spi, cs, wires=4)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)
file = open(file_path, "a")
if os.stat(file_path).st_size == 0:
file.write("Datetime,Ice_Temp\n")
counter = 0
temp = 0
samples = 5
while counter < samples:
# Read temperature.
temp += sensor.temperature
import time
import board
import busio
import digitalio
import adafruit_max31865
import sys
import mysql.connector
import threading
import requests
import urllib
import os
from bs4 import BeautifulSoup
'''spi bus and sensor'''
spi1 = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs1 = digitalio.DigitalInOut(board.D5)
sensor1 = adafruit_max31865.MAX31865(spi1, cs1, wires=3)
"""spi2=busio.SPI(board.SCK,MOSI=board.MOSI,MISO=board.MISO)
cs2=digitalio.DigitalInOut(board.D6)
sensor2=adafruit_max31865.MAX31865(spi2,cs2,wires=3)
spi3=busio.SPI(board.SCK,MOSI=board.MOSI,MISO=board.MISO)
cs3=digitalio.DigitalInOut(board.D13)
sensor3=adafruit_max31865.MAX31865(spi3,cs3,wires=3)
"""
def upload2(temp, x):
data1 = urllib.request.urlopen(
"https://api.thingspeak.com/update?api_key=Z8R7TVO7N17C5R34&field1={0}&created_at={1}"
.format(str(float(temp)), str(x)))
page = data1.read()
import tkinter as tk
from tkinter.font import BOLD
import board
import digitalio
import adafruit_max31865
# Create sensor object, communicating over the board's default SPI bus
spi = board.SPI()
cs = digitalio.DigitalInOut(board.D5) # Chip select of the MAX31865 board.
#sensor = adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
sensor = adafruit_max31865.MAX31865(spi,
cs,
rtd_nominal=100,
ref_resistor=430.0,
wires=4,
filter_frequency=50)
class Application(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.master = master
self.pack()
self.create_widgets()
def create_widgets(self):
# Create label
self.ueberschrift = tk.Label(text="Temperatur [°C]")
self.ueberschrift.config(font=("Arial", 20), bg="darkred", fg="red")
#
USAGE = """
usage: rtddemo.py
Prints out RTD readings continuously.
"""
import time
import board
import digitalio
import busio
import adafruit_max31865 as max3
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5)
rtd_sensor = max3.MAX31865(spi,
cs,
wires=3,
rtd_nominal=100.0,
ref_resistor=430.0)
###############################################################################
while (True):
T = rtd_sensor.temperature
print('RTD: T = %.3f' % T)
time.sleep(0.5)
cs7 = digitalio.DigitalInOut(board.D21) cs8 = digitalio.DigitalInOut(board.D20) cs9 = digitalio.DigitalInOut(board.D16) cs10 = digitalio.DigitalInOut(board.D12) cs11 = digitalio.DigitalInOut(board.D1) cs12 = digitalio.DigitalInOut(board.D7) cs13 = digitalio.DigitalInOut(board.D25) cs14 = digitalio.DigitalInOut(board.D24) cs15 = digitalio.DigitalInOut(board.D23) cs16 = digitalio.DigitalInOut(board.D18) cs17 = digitalio.DigitalInOut(board.D15) cs18 = digitalio.DigitalInOut(board.D14) cs19 = digitalio.DigitalInOut(board.D2) sensor1 = adafruit_max31865.MAX31865(spi, cs1, wires=4) sensor2 = adafruit_max31865.MAX31865(spi, cs2, wires=4) sensor3 = adafruit_max31865.MAX31865(spi, cs3, wires=4) sensor4 = adafruit_max31865.MAX31865(spi, cs4, wires=3) sensor5 = adafruit_max31865.MAX31865(spi, cs5, wires=4) sensor6 = adafruit_max31865.MAX31865(spi, cs6, wires=4) sensor7 = adafruit_max31865.MAX31865(spi, cs7, wires=4) sensor8 = adafruit_max31865.MAX31865(spi, cs8, wires=3) sensor9 = adafruit_max31865.MAX31865(spi, cs9, wires=4) sensor10 = adafruit_max31865.MAX31865(spi, cs10, wires=4) sensor11 = adafruit_max31865.MAX31865(spi, cs11, wires=4) sensor12 = adafruit_max31865.MAX31865(spi, cs12, wires=4) sensor13 = adafruit_max31865.MAX31865(spi, cs13, wires=4) sensor14 = adafruit_max31865.MAX31865(spi, cs14, wires=4) sensor15 = adafruit_max31865.MAX31865(spi, cs15, wires=4) sensor16 = adafruit_max31865.MAX31865(spi, cs16, wires=4)
def pid_loop(dummy, state):
import sys
from time import sleep, time
from math import isnan
import board
import busio
import digitalio
import adafruit_max31865
import PID as PID
import config as conf
sys.stdout = open("pid.log", "a")
sys.stderr = open("pid.err.log2", "a")
def c_to_f(c):
return c * 9.0 / 5.0 + 32.0
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5)
sensor = adafruit_max31865.MAX31865(spi, cs)
print("got sensor:", sensor)
pid = PID.PID(conf.Pc, conf.Ic, conf.Dc)
pid.SetPoint = state['settemp']
pid.setSampleTime(conf.sample_time * 5)
nanct = 0
i = 0
j = 0
pidhist = [0., 0., 0., 0., 0., 0., 0., 0., 0., 0.]
avgpid = 0.
temphist = [0., 0., 0., 0., 0.]
avgtemp = 0.
lastsettemp = state['settemp']
lasttime = time()
sleeptime = 0
iscold = True
iswarm = False
lastcold = 0
lastwarm = 0
try:
while True: # Loops 10x/second
tempc = sensor.temperature
if isnan(tempc):
nanct += 1
if nanct > 100000:
sys.exit
continue
else:
nanct = 0
tempf = c_to_f(tempc)
temphist[i % 5] = tempc
avgtemp = sum(temphist) / len(temphist)
if avgtemp < 100:
lastcold = i
if avgtemp > 200:
lastwarm = i
if iscold and (i - lastcold) * conf.sample_time > 60 * 15:
pid = PID.PID(conf.Pw, conf.Iw, conf.Dw)
pid.SetPoint = state['settemp']
pid.setSampleTime(conf.sample_time * 5)
iscold = False
if iswarm and (i - lastwarm) * conf.sample_time > 60 * 15:
pid = PID.PID(conf.Pc, conf.Ic, conf.Dc)
pid.SetPoint = state['settemp']
pid.setSampleTime(conf.sample_time * 5)
iscold = True
if state['settemp'] != lastsettemp:
pid.SetPoint = state['settemp']
lastsettemp = state['settemp']
if i % 10 == 0:
pid.update(avgtemp)
pidout = pid.output
pidhist[int(i / 10 % 10)] = pidout
avgpid = sum(pidhist) / len(pidhist)
state['i'] = i
state['tempc'] = round(tempc, 2)
state['avgtemp'] = round(avgtemp, 2)
state['pidval'] = round(pidout, 2)
state['avgpid'] = round(avgpid, 2)
state['pterm'] = round(pid.PTerm, 2)
if iscold:
state['iterm'] = round(pid.ITerm * conf.Ic, 2)
state['dterm'] = round(pid.DTerm * conf.Dc, 2)
else:
state['iterm'] = round(pid.ITerm * conf.Iw, 2)
state['dterm'] = round(pid.DTerm * conf.Dw, 2)
state['iscold'] = iscold
print(time(), state)
sleeptime = lasttime + conf.sample_time - time()
if sleeptime < 0:
sleeptime = 0
sleep(sleeptime)
i += 1
lasttime = time()
finally:
pid.clear
# Simple demo of the MAX31865 thermocouple amplifier.
# Will print the temperature every second.
#TRIED AND TESTED BY WWW.THINKROBOTICS.IN
import time
import board
import busio
import digitalio
import adafruit_max31865
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5) # Chip select of the MAX31865 board.
sensor = adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)
# Main loop to print the temperature every second.
while True:
# Read temperature.
temp = sensor.temperature
# Print the value.
print("Temperature: {0:0.3f}C".format(temp))
# Delay for a second.
time.sleep(1.0)
import constants_old
import numpy as np
import adafruit_max31865
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs1 = digitalio.DigitalInOut(board.D5) # Chip select of the MAX31865 board.
cs2 = digitalio.DigitalInOut(board.D6) # Chip select of the MAX31865 board.
#sensor = adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
sensor = adafruit_max31865.MAX31865(spi, cs1, rtd_nominal=1000, ref_resistor=4300.0, wires=3)
sensor2 = adafruit_max31865.MAX31865(spi, cs2, rtd_nominal=1000, ref_resistor=4300.0, wires=3)
# Main loop to print the temperature every second.
def collect_temp():
while True:
# Read temperature.
temp1 = sensor.temperature
temp2 = sensor2.temperature
if ((temp1 > 200) | (temp2 > 200)):
# Print the value
print(np.nan)
else:
print("Steam Temp: {0:0.2f}C".format(temp1))
def dataReadOut():
conn = psycopg2.connect(database="TemaccessToRemoteRp2",
user="******",
password="******",
host="127.0.0.1",
port="5432")
#print ("Opened database successfully")
c = conn.cursor()
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs1 = digitalio.DigitalInOut(
board.D4) # Chip select of the MAX31865 board.
cs2 = digitalio.DigitalInOut(
board.D5) # Chip select of the MAX31865 board.
cs3 = digitalio.DigitalInOut(board.D6)
cs4 = digitalio.DigitalInOut(board.D13)
cs5 = digitalio.DigitalInOut(board.D19)
cs6 = digitalio.DigitalInOut(board.D26)
cs7 = digitalio.DigitalInOut(board.D21)
cs8 = digitalio.DigitalInOut(board.D20)
cs9 = digitalio.DigitalInOut(board.D16)
cs10 = digitalio.DigitalInOut(board.D12)
cs11 = digitalio.DigitalInOut(board.D1)
cs12 = digitalio.DigitalInOut(board.D7)
cs13 = digitalio.DigitalInOut(board.D25)
cs14 = digitalio.DigitalInOut(board.D24)
cs15 = digitalio.DigitalInOut(board.D23)
cs16 = digitalio.DigitalInOut(board.D18)
cs17 = digitalio.DigitalInOut(board.D15)
cs18 = digitalio.DigitalInOut(board.D14)
cs19 = digitalio.DigitalInOut(board.D2)
sensor1 = adafruit_max31865.MAX31865(spi, cs1, wires=4)
sensor2 = adafruit_max31865.MAX31865(spi, cs2, wires=4)
sensor3 = adafruit_max31865.MAX31865(spi, cs3, wires=4)
sensor4 = adafruit_max31865.MAX31865(spi, cs4, wires=3)
sensor5 = adafruit_max31865.MAX31865(spi, cs5, wires=4)
sensor6 = adafruit_max31865.MAX31865(spi, cs6, wires=4)
sensor7 = adafruit_max31865.MAX31865(spi, cs7, wires=4)
sensor8 = adafruit_max31865.MAX31865(spi, cs8, wires=3)
sensor9 = adafruit_max31865.MAX31865(spi, cs9, wires=4)
sensor10 = adafruit_max31865.MAX31865(spi, cs10, wires=4)
sensor11 = adafruit_max31865.MAX31865(spi, cs11, wires=4)
sensor12 = adafruit_max31865.MAX31865(spi, cs12, wires=4)
sensor13 = adafruit_max31865.MAX31865(spi, cs13, wires=4)
sensor14 = adafruit_max31865.MAX31865(spi, cs14, wires=4)
sensor15 = adafruit_max31865.MAX31865(spi, cs15, wires=4)
sensor16 = adafruit_max31865.MAX31865(spi, cs16, wires=4)
sensor17 = adafruit_max31865.MAX31865(spi, cs17, wires=4)
sensor18 = adafruit_max31865.MAX31865(spi, cs18, wires=4)
sensor19 = adafruit_max31865.MAX31865(spi, cs19, wires=4)
c.execute('DROP TABLE IF EXISTS "sensors";')
print('table deleted')
c.execute(
'CREATE TABLE sensors(id SERIAL PRIMARY KEY, ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP, Temp1d4 FLOAT, Temp2d5 FLOAT, Temp3d6 FLOAT, \
Temp4d13 FLOAT, Temp5d19 FLOAT, Temp6d26 FLOAT, Temp7d21 FLOAT,Temp8d20 FLOAT,Temp9d16 FLOAT, \
Temp10d12 FLOAT,Temp11d1 FLOAT,Temp12d7 FLOAT, Temp13d8 FLOAT,Temp14d24 FLOAT,\
Temp15d23 FLOAT, Temp16d18 FLOAT,Temp17d15 FLOAT, Temp18d14 FLOAT,Temp19d2 FLOAT);'
)
while True:
# Read temperature.
temp1 = sensor1.temperature
temp2 = sensor2.temperature
temp3 = sensor3.temperature
temp4 = sensor4.temperature
temp5 = sensor5.temperature
temp6 = sensor6.temperature
temp7 = sensor7.temperature
temp8 = sensor8.temperature
temp9 = sensor9.temperature
temp10 = sensor10.temperature
temp11 = sensor11.temperature
temp12 = sensor12.temperature
temp13 = sensor13.temperature
temp14 = sensor14.temperature
temp15 = sensor15.temperature
temp16 = sensor16.temperature
temp17 = sensor17.temperature
temp18 = sensor18.temperature
temp19 = sensor19.temperature
c.execute("INSERT INTO sensors(Temp1d4, Temp2d5, Temp3d6,Temp4d13, \
Temp5d19, Temp6d26,Temp7d21,Temp8d20, Temp9d16, Temp10d12,Temp11d1,Temp12d7,Temp13d8,Temp14d24, \
Temp15d23, Temp16d18,Temp17d15, Temp18d14,Temp19d2) VALUES(%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s, %s,%s,%s, %s,%s)" ,\
(temp1, temp2,temp3,temp4,temp5,temp6, temp7, temp8, temp9, temp10, temp11,temp12, temp13, temp14, temp15,temp16, temp17,temp18, temp19))
conn.commit()
#print ('Top Source Tank:', temp4)
#print ('Bottom Source Tank:', temp8)
#print ('Top Testing HP circuit:', temp2)
#print ('Bottom Testing HP circuit:', temp3)
#print ('Top Testing load circuit:', temp6)
#print ('Bottom Testing load circuit:', temp9)
#print ('Load Tank tem.:', temp5)
#print ('Mix tem at load:', temp7)
#print('--------------------------')
#print(stdout)
print('done everything')
sleep(0.1)
return
SLEEPTIME = 0.005 # time between measurements
RECORD_FREQUENCY = 5 # how many measurements/second should be recorded
# STIR SPEEDS
STIR_STOP = 0
STIR_SLOW = 1
STIR_FAST = 2
# INITIALIZE PORTS
# setup temperature sensor
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5)
sensor = adafruit_max31865.MAX31865(spi,
cs,
wires=3,
rtd_nominal=1000.0,
ref_resistor=4300.0)
# Setup I2C bus (for use with pH probe)
bus = smbus2.SMBus(0)
pH_address = 0x60 # TODO run 'sudo i2cdetect -y 0' to get actual address
# Register addresses; not sure why this is needed
reg_pH = 0x00
# Setup Keypad
KEYPAD = [["1", "2", "3", "A"], ["4", "5", "6", "B"], ["7", "8", "9", "C"],
["*", "0", "#", "D"]]
factory = rpi_gpio.KeypadFactory()
def get():
sensor = adafruit_max31865.MAX31865(spi, cs, wires=3)
return sensor.temperature
import board
import busio
import digitalio
import adafruit_max31865
# Initialize SPI bus and sensor.
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5) # Chip select of the MAX31865 board.
#sensor = adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
sensor = adafruit_max31865.MAX31865(spi,
cs,
rtd_nominal=100,
ref_resistor=425.5,
wires=2)
def on_connect(client, userdata, flags, rc):
print("Connected with result code " + str(rc))
# The callback for when a PUBLISH message is received from the server.
client = mqtt.Client()
client.on_connect = on_connect
client.connect("192.168.1.251", 1883, 60)
# Blocking call that processes network traffic, dispatches callbacks and
def Setup():
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5)
RTD = adafruit_max31865.MAX31865(spi, cs)
return RTD
def RTD_init(self):
#Initalize RTP100 sensor to GPIO5
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
cs = digitalio.DigitalInOut(board.D5)
rtdsensor = adafruit_max31865.MAX31865(spi, cs, wires=4)
return rtdsensor
conexion1 = psycopg2.connect(database="boya",
user="******",
password="******")
cursor1 = conexion1.cursor()
sql = "insert into api_temperatura(temperatura, fecha, unidad, flag, latitud, longitud) values (%s,%s,%s,%s, %s,%s)"
conexion1.commit()
# Se asignan los pines encargados del protocolo SPI
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# Se selecciona el pin donde está conectado el sensor o plata MAX31865
# En este caso se asigna el pin 5
cs = digitalio.DigitalInOut(board.D5)
# Se llama a la librería MAX31865 asignandole los pines spi, cs
# e indicandole que es una PT100 y de 3 cables
sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100.0, wires=3)
# Se crea un bucle infinito
while True:
now = datetime.now()
fecha = str(now).split(".")
# Lee la temperatura
temp = sensor.temperature
# Imprime el valor de la temperatura en °C
print('Temperatura: {0:0.3f} °C'.format(temp))
# Se imprime el valor que está leyendo la resistencia
print('Resistencia: {0:0.3f} Ohms'.format(sensor.resistance))
datos = (round(sensor.temperature,
3), fecha[0], "°C", 4, "11.229602", "-74.163671")
print(fecha[0])
cursor1.execute(sql, datos)
mosi = machine.Pin(23, machine.Pin.IN)
miso = machine.Pin(19, machine.Pin.OUT)
# Create SPI Chip Select pins
cs1 = machine.Pin(5, machine.Pin.OUT, value=1)
spi = machine.SPI(baudrate=115200,
sck=sck,
mosi=mosi,
miso=miso,
polarity=0,
phase=1)
#sensor = max31865.MAX31865(spi, cs1, rtd_nominal=100, ref_resistor=430.0, wires=3)
rtd = max31865.MAX31865(spi,
cs=cs1,
wires=RTD_WIRES,
rtd_nominal=RTD_NOMINAL,
ref_resistor=RTD_REFERENCE)
'''
css = [cs1]
idx = 0
sensors = []
for cs in css:
idx += 1
sensors.append(
max31865.MAX31865(
spi, css[idx-1],
wires = RTD_WIRES,
rtd_nominal = RTD_NOMINAL,