/
mainwindow.py
318 lines (224 loc) · 9.12 KB
/
mainwindow.py
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from PyQt5 import QtWidgets, QtCore, uic
from pyqtgraph import PlotWidget, plot
import pyqtgraph as pg
import sys # We need sys so that we can pass argv to QApplication
import os
import serial
import time
from random import randint
from utils import TimeAxisItem, timestamp
import parameters
import snap7
from snap7 import *
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.pmax=60.0
self.pmin=10.0
self.pmaxRead=0.0
#Load the UI Page
uic.loadUi('mainwindow.ui', self)
#load default data
self.setInitialData()
self.pushButtonResetAlarms.pressed.connect(self.resetAlarms)
self.pushButtonMarcha.pressed.connect(self.startPLC)
self.pushButtonParada.pressed.connect(self.stopPLC)
ustring=' simple string'
new_string=ustring.encode()
print("type of new String ",type(new_string))
bstring=b'bstring'
new_string=bstring.decode()
print("type of bstring",type(bstring))
# plot data: x, y values
#self.graphWidget.plot(hour, temperature)
#self.plot([1,2,3,4,5,6,7,8,9,10], [30,32,34,32,33,31,29,32,35,45])
self.graphWidget = pg.PlotWidget(
title="Presión",
labels={'left': 'Pressure'},
axisItems={'bottom': TimeAxisItem(orientation='bottom')}
)
#self.setCentralWidget(self.graphWidget)
self.graphWidget.setTitle("Presion vs Volumen");
self.graphWidget.setYRange(0,100)
self.graphWidget.setXRange(timestamp(),timestamp()+100)
self.x = [] # 100 time points
# self.y = [randint(0,10) for _ in range(100)] # 100 data points
self.y=[]
self.x.append(timestamp())
self.y.append(0)
self.graphWidget.setBackground('w')
pen = pg.mkPen(color=(255, 0, 0))
self.data_line = self.graphWidget.plot(self.x, self.y, pen=pen)
# ... init continued ...
self.timer = QtCore.QTimer()
self.timer.setInterval(500)
self.timer.timeout.connect(self.update_plot_data)
self.timer.start()
def setInitialData(self):
self.labelPmax.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87;")
self.labelPmax.setText(str(self.pmaxRead))
def startPLC(self):
print("startPLC")
plc = snap7.client.Client()
plc.connect('192.168.0.1', 0, 1)
reading = plc.db_read(3, 0, 1) # read 1 byte from db 3 staring from byte 0
print(reading)
str="10"
data=bytearray(str,'utf-8')
# reading=plc.as_db_read(3,0,1)
# print(reading)
plc.db_write(3,0,data)
# reading = plc.db_read(3, 0, 1) # read 1 byte from db 3 staring from byte 0
# print(reading)
# reading =reading.rstrip()
# print(reading)
def stopPLC(self):
print("startPLC")
plc = snap7.client.Client()
plc.connect('192.168.0.1', 0, 1)
reading = plc.db_read(3, 1, 1) # read 1 byte from db 3 staring from byte 0
print(reading)
str="20"
data=bytearray(str,'utf-8')
plc.db_write(3,0,data)
def openParameterWindow(self):
app= QtWidgets.QApplication(sys.argv)
main=Parameters()
main.show()
#sys.exit(app.exec_())
def resetAlarms(self):
self.disableAlarmMaxPressure()
self.disableAlarmMinPressure()
def plot(self, presure, time):
self.graphWidget.plot(presure, time)
def update_plot_data(self):
print("update plot data")
#read data from the sensor connected to Arduino
ser = serial.Serial('/dev/ttyACM0',57600)
plc = snap7.client.Client()
plc.connect('192.168.0.1', 0, 1)
print(plc.get_connected)
#time.sleep(3)
b=ser.readline()
string_n=b.decode()
string=string_n.rstrip()
print(string)
flt=int(string)
print(flt)
#time.sleep(0.1)
ser.close()
#calculus of pressure
a=flt
# a = randint(10,100)
p=(a/1023)/((4.7-0.2)*0.018)
p=p-0.04
toCmH20=p*10.19716
toCmH20=round(toCmH20,2)
for_plc_int=str(flt)
print("for plc %s" %(for_plc_int))
data_int=bytearray(for_plc_int,'utf-8')
print("for plc int")
print(data_int)
for_plc_real=str(toCmH20)
print("for plc real %s" %(for_plc_real))
data_real=bytearray(for_plc_real,'utf-8')
# print(data.rstrip())
# print("db3")
# print(plc.as_db_get(3))
# type_ = snap7.snap7types.wordlen_to_ctypes[snap7.snap7types.S7WLByte]
# db3_data = plc.db_read(3, 22, type_, 2)
# plc.set_connection_params
# #plc.db_write(3,2,22,data)
# area = snap7.snap7types.S7AreaDB
# plc.write_area(area,3,22,data)
# reading=plc.as_db_read(3,22,2)
# snap7.util.set_int(reading,0,flt)
# plc.as_db_write(3,22,reading)
#plc.disconnect()
if toCmH20>self.pmaxRead:
self.pmaxRead=toCmH20
self.labelPmax.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87; text-align:center")
self.labelPmax.setText(str(self.pmaxRead))
if toCmH20>self.pmax:
self.showAlarmMaxPressure()
else:
self.disableAlarmMaxPressure()
if toCmH20<self.pmin:
self.showAlarmMinPressure()
else:
self.disableAlarmMinPressure()
self.labelVolume.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87; text-align:center")
self.labelVolume.setText(str(450))
self.labelFreq.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87; text-align:center")
self.labelFreq.setText(str(20))
self.labelPeep.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87;")
self.labelPeep.setText(str(toCmH20))
self.labelInspEsp.setStyleSheet("background-color: rgb(186, 189, 182); font-size:36pt; font-weight:600; color:#204a87;")
self.labelInspEsp.setText(str(1)+":"+str(2))
reading=plc.db_read(3,18,4)
print("formate float value")
print(reading)
snap7.util.set_real(reading,0,toCmH20)
print(reading)
plc.db_write(3,18,reading)
reading=plc.db_read(3,18,4)
print(reading)
print("kPa ",p);
print("cmH20 ",toCmH20)
sec='%s%s'%(time.localtime().tm_min,time.localtime().tm_sec)
print ("time: %s",sec)
# p=p+randint(0,100)
timeNow=time.localtime()
timeNow=time.strftime("%d/%m/%Y %H:%M:%S",timeNow)
rightNow=int('%s%s%s'%(time.localtime().tm_hour,time.localtime().tm_min,time.localtime().tm_sec))
print("righNow %s" %(rightNow))
print("%s %s" %(timeNow, p))
self.x = self.x[1:] # Remove the first element.
#self.x= timestamp()
print("timestamp: %s" %(timestamp()))
self.x.append(timestamp()) # Add a new value 1 higher than the last.
print("time values")
print(self.x)
self.y = self.y[1:] # Remove the first
self.y.append(toCmH20) # Add a new random value.
self.data_line.setData(self.x, self.y) # Update the data.
def showAlarmMaxPressure(self):
green="background-color: rgb(115, 210, 22);"
red="background-color: rgb(239, 41, 41);"
self.groupBoxAlarm.setStyleSheet(red)
self.labelAlarma.setStyleSheet(" font-size:18pt; font-weight:600;")
self.labelAlarma.setText("PRESION FUERA DE RANGO MAX")
self.playSound();
def showAlarmMinPressure(self):
green="background-color: rgb(115, 210, 22);"
red="background-color: rgb(239, 41, 41);"
self.groupBoxAlarm.setStyleSheet(red)
self.labelAlarma.setStyleSheet(" font-size:18pt; font-weight:600;")
self.labelAlarma.setText("PRESION FUERA DE RANGO MIN")
self.playSound();
def disableAlarmMaxPressure(self):
green="background-color: rgb(115, 210, 22);"
red="background-color: rgb(239, 41, 41);"
self.groupBoxAlarm.setStyleSheet(green)
self.labelAlarma.setStyleSheet(" font-size:18pt; font-weight:600;")
self.labelAlarma.setText("NORMAL")
def disableAlarmMinPressure(self):
green="background-color: rgb(115, 210, 22);"
red="background-color: rgb(239, 41, 41);"
self.groupBoxAlarm.setStyleSheet(green)
self.labelAlarma.setStyleSheet(" font-size:18pt; font-weight:600;")
self.labelAlarma.setText("NORMAL")
def playSound(self):
duration = 1 # seconds
freq = 300 # Hz
#os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq))
#os.system('spd-say "Error"')
def closeEvent(self,event):
print("window closed")
def main():
app = QtWidgets.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()