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| -> 0
import sys, os, time # sys нужен для передачи argv в QApplication
import Fedya # Это наш конвертированный файл дизайна
import RPi.GPIO as GPIO
import Adafruit_DHT as dht
import threading
from threading import Thread
from datetime import datetime
from PyQt5 import QtWidgets, QtCore
#from PyQt5.QtCore import Qt, QTimer
GPIO.cleanup()
GPIO.setmode(GPIO.BCM)
GPIO.setup(14, GPIO.IN)
class ExampleApp(QtWidgets.QFrame, Fedya.Ui_Frame, threading.Thread):
def __init__(self):
super().__init__()
self.setupUi(self)
self.lcd()
self.text()
self.motor()
#self.valuechange()
def thread(my_func):
def wrapper(*args, **kwargs):
my_thread = threading.Thread(target=my_func, args=args, kwargs=kwargs)
my_thread.start()
return wrapper
def motor(self, vSl=0, parent=None):
#super(ExampleApp, self).motor(parent)
self.motorSlider.setMinimum(0)
self.motorSlider.setMaximum(100)
self.motorSlider.setValue(vSl)
self.motorSlider.valueChanged[int].connect(self.valuechange)
print("-> ", vSl)
def valuechange(self, value):
self.motor(value)
@thread
def lcd(self):
class MAX31855(object):
def __init__(self, cs_pin, clock_pin, data_pin, units = "c", board = GPIO.BCM):
self.cs_pin = cs_pin
self.clock_pin = clock_pin
self.data_pin = data_pin
self.units = units
self.data = None
self.board = board
GPIO.setmode(self.board)
GPIO.setup(self.cs_pin, GPIO.OUT)
GPIO.setup(self.clock_pin, GPIO.OUT)
GPIO.setup(self.data_pin, GPIO.IN)
GPIO.output(self.cs_pin, GPIO.HIGH)
def get(self):
self.read()
#self.checkErrors()
return getattr(self, "to_" + self.units)(self.data_to_tc_temperature())
def get_rj(self):
self.read()
return getattr(self, "to_" + self.units)(self.data_to_rj_temperature())
def read(self):
bytesin = 0
GPIO.output(self.cs_pin, GPIO.LOW)
for i in range(32):
GPIO.output(self.clock_pin, GPIO.LOW)
bytesin = bytesin << 1
if (GPIO.input(self.data_pin)):
bytesin = bytesin | 1
GPIO.output(self.clock_pin, GPIO.HIGH)
GPIO.output(self.cs_pin, GPIO.HIGH)
self.data = bytesin
def data_to_tc_temperature(self, data_32 = None):
if data_32 is None:
data_32 = self.data
tc_data = ((data_32 >> 18) & 0x3FFF)
return self.convert_tc_data(tc_data)
def data_to_rj_temperature(self, data_32 = None):
if data_32 is None:
data_32 = self.data
rj_data = ((data_32 >> 4) & 0xFFF)
return self.convert_rj_data(rj_data)
def convert_tc_data(self, tc_data):
if tc_data & 0x2000:
without_resolution = ~tc_data & 0x1FFF
without_resolution += 1
without_resolution *= -1
else:
without_resolution = tc_data & 0x1FFF
return without_resolution * 0.25
def convert_rj_data(self, rj_data):
if rj_data & 0x800:
without_resolution = ~rj_data & 0x7FF
without_resolution += 1
without_resolution *= -1
else:
without_resolution = rj_data & 0x7FF
return without_resolution * 0.0625
def to_c(self, celsius):
return celsius
def to_k(self, celsius):
return celsius + 273.15
def to_f(self, celsius):
return celsius * 9.0/5.0 + 32
def cleanup(self):
GPIO.setup(self.cs_pin, GPIO.IN)
GPIO.setup(self.clock_pin, GPIO.IN)
class MAX31855Error(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
if __name__ == "__main__":
import time
sensor = 22
pin = 14
cs_pins = [24]
clock_pin = 23
data_pin = 22
units = "c"
thermocouples = []
for cs_pin in cs_pins:
thermocouples.append(MAX31855(cs_pin, clock_pin, data_pin, units))
while True:
nowtime = str(datetime.strftime(datetime.now(), "%d.%m %H:%M:%S"))
self.DateTimelabel.setText(str(nowtime))
for thermocouple in thermocouples:
rj = thermocouple.get_rj()
try:
tc = thermocouple.get()
except MAX31855Error as e:
tc = e.value
#print('potok 1')
kot = '{0:0.1f}'.format(tc)
if kot == '0.0':
kot = 'Error'
self.lcdNumber_kot.display(str(kot))
else:
self.lcdNumber_kot.display(str(kot))
GPIO.setmode(GPIO.BCM)
if GPIO.input(14) == True:
humidity, temperature = dht.read_retry(sensor, pin)
t = '{0:0.1f}'.format(temperature)
h = '{0:0.1f}'.format(humidity)
self.lcdNumber_ho.display(str(t))
self.lcdNumber_vlag.display(str(h))
else:
t = 'Error'
h = 'Error'
self.lcdNumber_ho.display(str(t))
self.lcdNumber_vlag.display(str(h))
time.sleep(1.0)
for thermocouple in thermocouples:
thermocouple.cleanup()
@thread
def text(self):
class MAX31855(object):
def __init__(self, cs_pin, clock_pin, data_pin, units = "c", board = GPIO.BCM):
self.cs_pin = cs_pin
self.clock_pin = clock_pin
self.data_pin = data_pin
self.units = units
self.data = None
self.board = board
GPIO.setmode(self.board)
GPIO.setup(self.cs_pin, GPIO.OUT)
GPIO.setup(self.clock_pin, GPIO.OUT)
GPIO.setup(self.data_pin, GPIO.IN)
GPIO.output(self.cs_pin, GPIO.HIGH)
def get(self):
self.read()
#self.checkErrors()
return getattr(self, "to_" + self.units)(self.data_to_tc_temperature())
def get_rj(self):
self.read()
return getattr(self, "to_" + self.units)(self.data_to_rj_temperature())
def read(self):
bytesin = 0
GPIO.output(self.cs_pin, GPIO.LOW)
for i in range(32):
GPIO.output(self.clock_pin, GPIO.LOW)
bytesin = bytesin << 1
if (GPIO.input(self.data_pin)):
bytesin = bytesin | 1
GPIO.output(self.clock_pin, GPIO.HIGH)
GPIO.output(self.cs_pin, GPIO.HIGH)
self.data = bytesin
def data_to_tc_temperature(self, data_32 = None):
if data_32 is None:
data_32 = self.data
tc_data = ((data_32 >> 18) & 0x3FFF)
return self.convert_tc_data(tc_data)
def data_to_rj_temperature(self, data_32 = None):
if data_32 is None:
data_32 = self.data
rj_data = ((data_32 >> 4) & 0xFFF)
return self.convert_rj_data(rj_data)
def convert_tc_data(self, tc_data):
if tc_data & 0x2000:
without_resolution = ~tc_data & 0x1FFF
without_resolution += 1
without_resolution *= -1
else:
without_resolution = tc_data & 0x1FFF
return without_resolution * 0.25
def convert_rj_data(self, rj_data):
if rj_data & 0x800:
without_resolution = ~rj_data & 0x7FF
without_resolution += 1
without_resolution *= -1
else:
without_resolution = rj_data & 0x7FF
return without_resolution * 0.0625
def to_c(self, celsius):
return celsius
def to_k(self, celsius):
return celsius + 273.15
def to_f(self, celsius):
return celsius * 9.0/5.0 + 32
def cleanup(self):
GPIO.setup(self.cs_pin, GPIO.IN)
GPIO.setup(self.clock_pin, GPIO.IN)
class MAX31855Error(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
if __name__ == "__main__":
import time
sensor = 22
pin = 14
cs_pins = [24]
clock_pin = 23
data_pin = 22
units = "c"
thermocouples = []
for cs_pin in cs_pins:
thermocouples.append(MAX31855(cs_pin, clock_pin, data_pin, units))
while True:
nowtime = str(datetime.strftime(datetime.now(), "%d.%m %H:%M:%S"))
c = str(time.strftime("%M", time.localtime()))
d = '00'
#print('potok 2')
if c == d :
for thermocouple in thermocouples:
rj = thermocouple.get_rj()
try:
tc = thermocouple.get()
except MAX31855Error as e:
tc = e.value
kot = '{0:0.1f}'.format(tc)
if kot == '0.0':
tp = (nowtime + ' Термопара не подключена')
self.textBrowser.append (tp)
else:
tp = (nowtime + ' Термопара ' + kot)
self.textBrowser.append(tp)
if GPIO.input(14) == True:
humidity, temperature = dht.read_retry(sensor, pin)
if (humidity is not None) and (temperature is not None):
nowtime = str(datetime.strftime(datetime.now(), "%d.%m %H:%M:%S"))
ntth = str(nowtime + ' Температура {0:0.1f}C Влажность {1:0.1f}%'.format(temperature, humidity))
self.textBrowser.append(ntth)
else:
ntth = (nowtime + ' Датчик не подключен к порту № 14')
self.textBrowser.append(ntth)
f = open('text.txt', 'a')
f.writelines (ntth + '\n' + tp +'\n')
f.close()
time.sleep(60.0)
for thermocouple in thermocouples:
thermocouple.cleanup()
def main():
app = QtWidgets.QApplication(sys.argv) # Новый экземпляр QApplication
window = ExampleApp() # Создаём объект класса ExampleApp
window.show() # Показываем окно
sys.exit(app.exec_()) # и запускаем приложение
if __name__ == '__main__': # Если мы запускаем файл напрямую, а не импортируем
main() # то запускаем функцию main() |
(
