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bioreactor_interface.py
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bioreactor_interface.py
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"""
Bioreactor UI
UI designed by Suraj, Iason, Arslan, Arnas
Copyright 2020
"""
import tkinter as tk
import tkinter.ttk
import datetime
import time
import serial
class Colours:
WHITE = "#F4F4F4"
BLACK = "#000000"
BLUE = "#4F87A4"
DARK_BLUE = "#3E687D"
RED = "#EF5350"
class ButtonStyles:
HEATING_BTN = {
"bg": "#E53935",
"activebackground": "#F44336",
"fg": "#FFF",
"activeforeground": "#FFF",
"width": 10,
"relief": "flat",
"font": ("Arial", '12', 'bold'),
"cursor": "hand2"
}
STIRRING_BTN = {
"bg": "#1E88E5",
"activebackground": "#2196F3",
"fg": "#FFF",
"activeforeground": "#FFF",
"width": 10,
"relief": "flat",
"font": ("Arial", '12', 'bold'),
"cursor": "hand2"
}
PH_BTN = {
"bg": "#43A047",
"activebackground": "#4CAF50",
"fg": "#FFF",
"activeforeground": "#FFF",
"width": 10,
"relief": "flat",
"font": ("Arial", '12', 'bold'),
"cursor": "hand2"
}
class BioreactorUI(tk.Tk):
def __init__(self):
tk.Tk.__init__(self)
self.title("Bioreactor Interface")
self.sizeX, self.sizeY = 1200, 650
self.geometry(f"{self.sizeX}x{self.sizeY}")
self.resizable(False, False)
self.configure(background=Colours.BLUE)
""" Responsive UI """
top = self.winfo_toplevel() # Gets the top level window to resize
# # Makes the rows and columns of the window responsive by scale factor 1
top.columnconfigure(0, weight=1)
top.rowconfigure(0, weight=1)
top.rowconfigure(1, weight=100)
self.currentTemp, self.currentRPM, self.currentpH = None, None, None
""" Initialised setpoints """
self.heatingSetpoint, self.stirringSetpoint, \
self.pHSetpoint = 25, 500, 5
""" Create Header """
self.header = tk.Frame(self, bg=Colours.WHITE)
self.homeText = tk.Label(self.header, text="BIOREACTOR INTERFACE", bg=Colours.WHITE,
fg=Colours.BLACK, font=('Calibri', '18', 'bold'))
self.header.grid(sticky="new")
self.homeText.grid(sticky="ns", ipadx=40, pady=15)
""" Create main UI frame """
self.mainFrame = tk.Frame(self, bg=Colours.BLUE)
self.mainFrame.grid(row=1, sticky="nesw", padx=40, pady=15)
""" Create setpoint frame """
self.setpointFrame = tk.Frame(self.mainFrame, bg=Colours.DARK_BLUE)
self.setpointFrame.grid(row=0, column=0, sticky="ns", ipadx=10,
ipady=20, padx=(0,50))
self.heatingText = tk.Label(self.setpointFrame, text="Heating Subsystem",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.heatingText.grid(row=0, columnspan=3, pady=10)
self.heatingSendBtn = tk.Button(self.setpointFrame, text="SEND",
**ButtonStyles.HEATING_BTN, command= lambda: self.setSetpoint('H'))
self.heatingSendBtn.grid(row=1, column=0, padx=(20, 0))
self.heatingSetpointVar = tk.StringVar() # Setpoint
self.heatingSetpointVar.set("25.0")
# The command rounds the setpoint to 1 decimal place
self.heatingSlider = tk.ttk.Scale(self.setpointFrame, length=200,
from_=25, to=35, variable=self.heatingSetpointVar,
command=lambda s:self.heatingSetpointVar.set('%0.1f' % float(s)))
self.heatingSlider.grid(row=1, column=1, padx=10)
self.heatingEntry = tk.ttk.Entry(self.setpointFrame, width=5,
text=self.heatingSetpointVar, justify="center", font=('Arial', 8, 'bold'))
self.heatingEntry.grid(row=1, column=2, ipady=5)
self.stirringText = tk.Label(self.setpointFrame, text="Stirring Subsystem",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.stirringText.grid(row=2, columnspan=3, pady=10)
self.stirringSendBtn = tk.Button(self.setpointFrame, text="SEND",
**ButtonStyles.STIRRING_BTN, command= lambda: self.setSetpoint('S'))
self.stirringSendBtn.grid(row=3, column=0, padx=(20, 0))
self.stirringSetpointVar = tk.StringVar() # Setpoint
self.stirringSetpointVar.set("750")
self.stirringSlider = tk.ttk.Scale(self.setpointFrame, length=200,
from_=500, to=1500, variable=self.stirringSetpointVar,
command=lambda s:self.stirringSetpointVar.set('%0.0f' % float(s)))
self.stirringSlider.grid(row=3, column=1, padx=10)
self.stirringEntry = tk.ttk.Entry(self.setpointFrame, width=5,
text=self.stirringSetpointVar, justify="center", font=('Arial', 8, 'bold'))
self.stirringEntry.grid(row=3, column=2, ipady=5)
self.pHText = tk.Label(self.setpointFrame, text="pH Subsystem",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.pHText.grid(row=4, columnspan=3, padx=10, pady=10)
self.pHSendBtn = tk.Button(self.setpointFrame, text="SEND",
**ButtonStyles.PH_BTN, command= lambda: self.setSetpoint('P'))
self.pHSendBtn.grid(row=5, column=0, padx=(20, 0))
self.pHSetpointVar = tk.StringVar() # Setpoint
self.pHSetpointVar.set("5.0")
self.pHSlider = tk.ttk.Scale(self.setpointFrame, length=200,
from_=3, to=7, variable=self.pHSetpointVar,
command=lambda s:self.pHSetpointVar.set('%0.1f' % float(s)))
self.pHSlider.grid(row=5, column=1, padx=10)
self.pHEntry = tk.ttk.Entry(self.setpointFrame, width=5,
text=self.pHSetpointVar, justify="center", font=('Arial', 8, 'bold'))
self.pHEntry.grid(row=5, column=2, ipady=5)
""" Create log display """
self.logFrame = tk.Frame(self.mainFrame)
self.logFrame.grid(row=1, column=0, sticky="nsw",
padx=(0, 40), pady=(20, 0))
self.logText = tk.Label(self.logFrame, text="DATA LOG",
bg=Colours.DARK_BLUE, fg=Colours.WHITE,
font=("Calibri", '16', 'bold'), width=29)
self.logText.grid(row=0, ipadx=2)
self.logOutput = tk.Text(self.logFrame, bg=Colours.WHITE, fg="#000",
state="disabled", wrap="none", height=9, width=45, relief="flat",
padx=0, pady=10, font=('Consolas', '11'))
self.logOutput.grid(row=1, column=0)
self.logScrollbar = tk.Scrollbar(self.logFrame, command=self.logOutput.yview)
self.logOutput['yscrollcommand'] = self.logScrollbar.set
self.logScrollbar.grid(row=1, column=0, sticky='nse')
""" Create temperature display """
self.tempFrame = tk.Frame(self.mainFrame, bg=Colours.DARK_BLUE)
self.tempFrame.grid(row=0, column=1, sticky="nsew", padx=(0, 30))
self.tempText = tk.Label(self.tempFrame, text="Temperature (°C)",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.tempText.grid(row=0, padx=30, pady=10)
self.currentTempVal = tk.Label(self.tempFrame, text="",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Calibri', '30', 'bold'))
self.currentTempVal.grid(row=1, pady=50)
self.setpointTempVal = tk.Label(self.tempFrame, text="Setpoint: 25",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Calibri', '14', 'bold'))
self.setpointTempVal.grid(row=2)
""" Create RPM display """
self.RPMFrame = tk.Frame(self.mainFrame, bg=Colours.DARK_BLUE)
self.RPMFrame.grid(row=0, column=2, sticky="ns")
self.RPMText = tk.Label(self.RPMFrame, text="RPM (per min)",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.RPMText.grid(row=0, padx=40, pady=10)
self.currentRPMVal = tk.Label(self.RPMFrame, text="",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Calibri', '30', 'bold'))
self.currentRPMVal.grid(row=1, pady=46)
self.setpointRPMVal = tk.Label(self.RPMFrame, text="Setpoint: 0",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Calibri', '14', 'bold'))
self.setpointRPMVal.grid(row=2)
""" Create pH display """
self.pHFrame = tk.Frame(self.mainFrame, bg=Colours.DARK_BLUE)
self.pHFrame.grid(row=1, column=1, sticky="nsw", pady=(20, 0), ipady=0)
self.pHText = tk.Label(self.pHFrame, text="pH (log[H+])",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Arial', '14', 'bold'))
self.pHText.grid(row=0, padx=51, pady=10)
self.currentpHVal = tk.Label(self.pHFrame, text="",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=('Calibri', '30', 'bold'))
self.currentpHVal.grid(row=1, pady=20)
self.setpointpHVal = tk.Label(self.pHFrame, bg=Colours.DARK_BLUE,
text="Setpoint: 5", fg=Colours.WHITE, font=('Calibri', '14', 'bold'))
self.setpointpHVal.grid(row=2)
""" Create Time display """
self.timeFrame = tk.Frame(self.mainFrame, bg=Colours.DARK_BLUE)
self.timeFrame.grid(row=1, column=2, sticky="nsw", pady=(20, 0))
self.timeText = tk.Label(self.timeFrame, text="Time (h:m:s)",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=("Arial", "14", "bold"))
self.timeText.grid(row=0, padx=46, pady=10)
self.currentTimeVal = tk.Label(self.timeFrame, text="0:00:00",
fg=Colours.WHITE, bg=Colours.DARK_BLUE, font=("Calibri", "30", "bold"))
self.currentTimeVal.grid(row=1, pady=25)
""" Create footer """
self.footer = tk.Frame(self, bg=Colours.WHITE)
self.copyrightMessage = "Copyright © 2020 Bioreactor." \
"All Rights Reserved. Team: Suraj, Iason, Arslan, Arnas"
self.copyrightText = tk.Label(self.footer, text=self.copyrightMessage,
bg=Colours.WHITE, fg=Colours.BLACK, font=("Arial", "10"))
self.footer.grid(row=2, sticky="we")
self.copyrightText.grid()
""" Start timer """
self.runTimeStart = datetime.datetime.now()
""" Run main UI loop """
self.ser = serial.Serial("/tmp/simavr-uart0", 9600)
log_timestamp = time.ctime(time.time())
self.data_log_file = f"data_log_{log_timestamp}.txt"
with open(self.data_log_file, "a") as f:
f.write("Temp RPM pH Time\n")
#self.moving_avg_heating = []
self.cumulative_sum, self.counter, self.move = [0], 1, 15
self.bioreactorLoop()
def add_log(self, line):
self.logOutput.configure(state="normal")
self.logOutput.insert("1.0", line+"\n")
self.logOutput.configure(state="disabled")
def setSetpoint(self, ID):
if ID == 'H':
self.heatingSetpoint = float(self.heatingEntry.get())
if self.heatingSetpoint >= 25 and self.heatingSetpoint <= 35:
self.setpointTempVal.config(text=f"Setpoint: {self.heatingSetpoint}")
self.writeData("HW", self.heatingSetpoint)
elif ID == 'S':
self.stirringSetpoint = int(self.stirringEntry.get())
if self.stirringSetpoint >= 500 and self.stirringSetpoint <= 1500:
self.setpointRPMVal.config(text=f"Setpoint: {self.stirringSetpoint}")
self.writeData("SW", self.stirringSetpoint)
elif ID == 'P':
self.pHSetpoint = float(self.pHEntry.get())
if self.pHSetpoint >= 3 and self.pHSetpoint <= 7:
self.setpointpHVal.config(text=f"Setpoint: {self.pHSetpoint}")
self.writeData("PW", self.pHSetpoint)
def updateCurrentValues(self, ID, data):
if ID == "HR":
self.currentTemp = data
self.currentTempVal.config(text=data)
elif ID == "SR":
self.currentRPM = data
self.currentRPMVal.config(text=data)
elif ID == "PR":
self.currentpH = data
self.currentpHVal.config(text=data)
def writeData(self, ID, data):
if ID == "HW":
setpoint = self.heatingSetpoint
elif ID == "SW":
setpoint = self.stirringSetpoint
elif ID == "PW":
setpoint = self.pHSetpoint
with serial.Serial("/tmp/simavr-uart0", 9600) as ser:
bytes = f"{ID}{data}".encode()
ser.write(bytes)
def readData(self):
bytes = self.ser.readline() # read until a new line
try:
decoded = bytes.decode().strip() # decode n return
# Ignore initial print statement from arduino
if decoded[0] == "H":
# Get data for each subsystem
subsystem_data = decoded.split(";")
H_data = subsystem_data[0][2:]
S_data = int(float(subsystem_data[1][2:]))
P_data = subsystem_data[2][2:]
self.cumulative_sum.append(self.cumulative_sum[self.counter-1] + S_data)
if self.counter>=self.move:
RPM_avg = str(int((self.cumulative_sum[self.counter] - self.cumulative_sum[self.counter-self.move])/self.move))
else:
RPM_avg = str(S_data)
self.counter += 1
self.updateCurrentValues("HR", H_data)
self.updateCurrentValues("SR", RPM_avg)
self.updateCurrentValues("PR", P_data)
log_data = f"Temp:{H_data} RPM:{RPM_avg} pH:{P_data} Time:{self.runTimeString}"
log_data_for_file = f"{H_data},{RPM_avg},{P_data},{self.runTimeString}"
self.add_log(log_data)
# Add to text file as well
with open(self.data_log_file, "a") as f:
f.write(log_data_for_file + "\n")
except Exception as e:
print(e)
def bioreactorLoop(self):
# Update time on display
self.runTimeCurrent = datetime.datetime.now()
self.runTime = self.runTimeCurrent - self.runTimeStart
self.runTimeString = str(self.runTime).split(".")[0] # Removes microseconds
self.currentTimeVal.config(text=self.runTimeString)
display_every = 1 # number of seconds to wait before displaying
if int(self.runTimeString[5:]) % display_every == 0:
self.readData()
self.after(100, self.bioreactorLoop) # Run function every 0.5 seconds
app = BioreactorUI()
app.mainloop()