def main():
"""
Start the application
:return:
"""
app = QApplication(sys.argv)
form = mainWindow()
form.show()
sys.exit(app.exec_())
def main():
"""
Start the application
:return:
"""
app = QApplication(sys.argv)
form = mainWindow()
form.show()
sys.exit(app.exec_())
def main():
app = QApplication(sys.argv)
form = mainWindow()
form.show()
sys.exit(app.exec_())
def main():
app = QApplication(sys.argv)
form = mainWindow()
form.show()
sys.exit(app.exec_())
import sys
from PyQt5.QtWidgets import *
from mainwindow import mainWindow
if __name__ == '__main__':
app = QApplication(sys.argv)
win = mainWindow()
win.show()
sys.exit(app.exec_())
class masterServer:
# mainWin is a class attribute. This line of code is executed when the class masterServer is imported.
mainWin = mainWindow()
@classmethod
def updateLcd_ColVal(cls, data):
# Class method, change the value of main_window.lcdNumber in the class attribute mainWin, that is,
# change the display value and background color of lcdNumber in the graphical interface.
# The first element of the data list is the source of the data.
dataFrom = data[0] # for example "1.slave_RPi_2"
index = int(dataFrom[0]) # for example "1" from string "1.slave_RPi_2"
global lcd_backCol
for i in range(1, 14):
# Dynamically named graphical interface lcdNumber attributes, each slave_RPi corresponds to 13 lcdNumber attributes,
# a total of 104, greatly optimized code aesthetics through string dynamic naming.
lcdNumber_name = eval("cls.mainWin.main_window.lcdNumber_" +
str(i + 13 * (index - 1)))
# Starting from data[2] is sensor data
# The availability of data means that the Raspberry Pi is already in the network connection,
# as long as it is determined whether the sensor is connected or the data acquisition is normal.
# That is to judge whether the background color of the original lcdNumber is brown or green.
# If the obtained data value is -1, it means that The corresponding sensor is disconnected or the value is not acquired properly..
if data[i + 1] == -1:
# If the background color of the original lcdNumber is not green, It means to reset the corresponding lcdNumber,
# set the background color to brown, and set the displayed value to 0.
if lcd_backCol[index - 1][i - 1] != 'brown':
lcdNumber_name.setStyleSheet(
"background: brown;"
) # Change the color of a single lcdNumber to brown.
sleep(0.0075) # Leave time required for operation
lcdNumber_name.display(0) # set the displayed value to 0.
sleep(0.0075)
lcd_backCol[index - 1][i - 1] = 'brown'
# If the obtained data value is -1, Then it is necessary to determine whether the original lcdNumber displays a value,
# that is, whether the original background color is green.
else:
# If the original display is not green, you will not only need to update the display value but also update the background color.
if lcd_backCol[index - 1][i - 1] != 'green':
lcdNumber_name.setStyleSheet(
"background: green;"
) # Change the color of a single lcdNumber to green.
sleep(0.0075)
lcdNumber_name.display(data[i + 1])
sleep(0.0075)
lcd_backCol[index - 1][i - 1] = 'green'
else: # Otherwise just update the value.
lcdNumber_name.display(data[i + 1])
sleep(0.03)
@classmethod
def resetLCD_ColVal(cls, slaveNum):
# Change the background color and displayed value of the lcdNumber corresponding to the Raspberry Pi
# and all its clients that are suddenly disconnected.
global lcd_backCol
for index in range(slaveNum, 9):
for i in range(1, 14):
lcdNumber_name = eval("cls.mainWin.main_window.lcdNumber_" +
str(i + 13 * (index - 1)))
if lcd_backCol[index - 1][i - 1] != 'gray':
lcd_backCol[index - 1][i - 1] = 'gray'
lcdNumber_name.setStyleSheet(
"background: gray;"
) # Change the color of a single lcdNumber to gray
sleep(0.0075)
lcdNumber_name.display(0) # set the displayed value to 0.
sleep(0.0075)
def main():
mainwin = mainwindow.mainWindow("ui/ui.glade")
Gtk.main()
def main():
mainwin = mainwindow.mainWindow("ui/ui.glade")
Gtk.main()