def function_Estop(self):
try:
print("EStop - Activated")
#remember not to disable sensor reading
aircon_output.aircon_enabled = 0
coldblock_output.coldblock_enabled = 0
hotend_output.hotend_enabled = 0
stepper_output.motor_enabled = 0
camera_linedetection.camera_enabled = 0
herkulex.servo_enabled = 0
grovepi.analogWrite(self.peltierfanpin1,0)
grovepi.analogWrite(self.peltierfanpin2,0)
#grovepi.ledCircle_off(self.ledcirclepin)
time.sleep(0.1)
self.peltier1.start(0)
self.peltier2.start(0)
self.heater.start(0)
GPIO.output(self.motor_enable_pin,1) #set H to disable
GPIO.output(self.motor_dir_pin,0) #set H to disable
GPIO.output(self.motor_step_pin,0) #set H to disable
print("Successful = Power down system")
buzzer.beep(self.buzzerpin,2)
except Exception, e:
print("--- Failed = Pls manual power down ---\n")
print("--- Failed = Pls manual power down ---\n")
print("--- Failed = Pls manual power down ---\n")
buzzer.beep_fail(self.buzzerpin)
print(str(e))
def updateTemperaturelabel(self):
while True:
self.labelReadAircon.setText("{:.1f} C".format(
sensors.adc1_temp_cur))
self.labelReadColdblock.setText("{:.1f} C".format(
sensors.adc2_temp_cur))
self.labelReadHotend.setText("{:.1f} C".format(
sensors.adc3_temp_cur))
#update image
try:
if (sensors.adc3_temp_cur >= 165.0):
buzzer.beep(self.buzzerpin, 2)
if (self.cameraStart):
self.labelCameraview.setPixmap(
QtGui.QPixmap(camera_linedetection.imgPath01))
self.lcdOutputDia1.setProperty(
"value", camera_linedetection.OutputDia1)
self.lcdOutputDia2.setProperty(
"value", camera_linedetection.OutputDia2)
self.lcdOutputDia3.setProperty(
"value", camera_linedetection.OutputDia3)
else:
self.labelCameraview.setPixmap(
QtGui.QPixmap("../../../../../"))
except Exception, e:
print(str(e))
time.sleep(0.30) #update rate is set to x seconds
def function_Estop(self):
try:
print("EStop - Activated")
#remember not to disable sensor reading
aircon_output.aircon_enabled = 0
coldblock_output.coldblock_enabled = 0
hotend_output.hotend_enabled = 0
stepper_output.motor_enabled = 0
camera_linedetection.camera_enabled = 0
herkulex.servo_enabled = 0
grovepi.analogWrite(self.peltierfanpin1, 0)
grovepi.analogWrite(self.peltierfanpin2, 0)
#grovepi.ledCircle_off(self.ledcirclepin)
time.sleep(0.1)
self.peltier1.start(0)
self.peltier2.start(0)
self.heater.start(0)
GPIO.output(self.motor_enable_pin, 1) #set H to disable
GPIO.output(self.motor_dir_pin, 0) #set H to disable
GPIO.output(self.motor_step_pin, 0) #set H to disable
print("Successful = Power down system")
buzzer.beep(self.buzzerpin, 2)
except Exception, e:
print("--- Failed = Pls manual power down ---\n")
print("--- Failed = Pls manual power down ---\n")
print("--- Failed = Pls manual power down ---\n")
buzzer.beep_fail(self.buzzerpin)
print(str(e))
def main():
#intialize the components of the project
setupComponents()
# This loop keeps checking for chips. If one is near it will get the UID and authenticate
nfc = TwoRfid.Nfc522() #create object to read from 2 different rfid
while continue_reading:
#read RFID of people entry and car entry
gid1, gid2 = nfc.obtem_nfc_rfid()
#handle car gate
if not gid1 == 0:
print("rfid reader of car gate read: ", gid1)
buzzer.beep(1)
name, slot, state = UserDB.AllowAccess(str(gid1), 0)
if (state == 0): #this person has a reservation
lcd.message("WELCOME ", name)
time.sleep(2)
lcd.message("Go To Slot", str(slot))
ServoMotor.OpenGate() #open the gate
#wait till the car pass the gate
if (UltraSonicSensor.IsPassed()):
UserDB.changeState(gid1)
time.sleep(3)
ServoMotor.CloseGate() #close the gate
#make microController open specific slot
openSlot(str(gid1), slot)
lcd.message("WELCOME IN", "SMART PARKING")
elif (state == -2): #this person not has a reservation
lcd.message("Please ", "Reserve First")
time.sleep(5)
lcd.message("WELCOME IN", "SMART PARKING")
#handle person gate
if not gid2 == 0:
print("rfid reader of person gate read: ", gid2)
buzzer.beep(1)
name, slot, state = UserDB.IsReserve(str(gid2), 1)
if state == 1: #this person has a car inside the garage
#open the gate
lcd.message("Here you are", "The Gate is open")
GPIO.output(PERSON_GATE, True)
time.sleep(6)
GPIO.output(PERSON_GATE, False)
else:
lcd.message("Sorry You don't ", "Have car inside")
time.sleep(5)
lcd.message("WELCOME IN", "SMART PARKING")
def updateTemperaturelabel(self):
while True:
self.labelReadAircon.setText("{:.1f} C".format(sensors.adc1_temp_cur))
self.labelReadColdblock.setText("{:.1f} C".format(sensors.adc2_temp_cur))
self.labelReadHotend.setText("{:.1f} C".format(sensors.adc3_temp_cur))
#update image
try:
if(sensors.adc3_temp_cur >= 165.0):
buzzer.beep(self.buzzerpin,2)
if(self.cameraStart):
self.labelCameraview.setPixmap(QtGui.QPixmap(camera_linedetection.imgPath01))
self.lcdOutputDia1.setProperty("value", camera_linedetection.OutputDia1)
self.lcdOutputDia2.setProperty("value", camera_linedetection.OutputDia2)
self.lcdOutputDia3.setProperty("value", camera_linedetection.OutputDia3)
else:
self.labelCameraview.setPixmap(QtGui.QPixmap("../../../../../"))
except Exception, e:
print(str(e))
time.sleep(0.30) #update rate is set to x seconds
def main():
#intialize the components of the project
setupComponents()
nfc = TwoRfid.Nfc522() #create object to read from 2 different rfid
# This loop keeps checking for chips. If one is near it will get the UID and authenticate
while continue_reading:
#read RFID
gid1, gid2 = nfc.obtem_nfc_rfid()
Uid = str(gid1)
if not Uid == '0':
person = False
# Print UID
print("Card read UID: " + Uid)
#alter the user that the card is read
buzzer.beep(1)
ok = UserDB.allowExit(Uid)
if ok:
ServoMotor.OpenGate() #open the gate
#wait till the car pass the gate
if (UltraSonicSensor.IsPassed()):
time.sleep(2)
ServoMotor.CloseGate() #close the gate
#remove this user from the db of slots
#and also from the db of car entrance
UserDB.freeSlot(Uid)
else:
print("this tag doesn't have car inside the garage")
print("enter the correct one")
def start():
time.sleep(4)
while True:
# if PIR sensor is True == if motion is detected
if GPIO.input(17):
print("Child is in the car")
# check environmental condition (humidity and temperature)
humid, temp = Adafruit_DHT.read_retry(11, 27)
# calculate the wet-bulb temperature
wetBulb = temp*atan(0.151977* pow((humid+8.313659),0.5))+atan(temp+humid)-atan(humid-1.676331)+0.00391838* \
pow(humid,1.5)*atan(0.023101*humid)-4.686035
# if wet-bulb temperature is above the safe range
if wetBulb >= 15:
# wait for 5 min
time.sleep(600)
#### telegram to notify parents
# record video
rec_video()
# send a warning message
bot.sendMessage(chat_id=chat_id,
text="Your child is still in a scorching car!")
# send a real-time video
bot.sendVideo(chat_id=chat_id, video='/home/pi/video.mp4')
# wait for 5 min
time.sleep(300)
#### buzzer to notify passengers
# buzzer will be active for 2 min
buzzer.beep(120)
buzzer.destroy()
# wait for 5 min
time.sleep(300)
#### telegram to notify 911
# get GPS location data
received_data = (str)(ser.readline())
GPGGA_data_available = received_data.find(gpgga_info)
if (GPGGA_data_available > 0):
GPGGA_buffer = received_data.split(
"$GPGGA,",
1)[1] #store data coming after "$GPGGA," string
NMEA_buff = (GPGGA_buffer.split(',')
) #store comma separated data in buffer
gps.GPS_Info()
# record video
rec_video()
# send a warning message
bot.sendMessage(
chat_id=chat_id,
text=
"Possible Child Heat Stroke Death in a Vehicle at Lat: " +
lat_in_degrees + "Long: " + long_in_degrees)
# send a real-time video
bot.sendVideo(chat_id=chat_id, video='/home/pi/video.mp4')
# clean up GPIO pins
GPIO.cleanup()
"""*------------------------------------------------------------*-
Buzzer main functions - usage file
Tested on Gwiot 7304D2 RFID Reader(26 bit Wiegand mode) and RASPBERRY PI 3B+
(c) Minh-An Dao 2019
version 1.00 - 28/10/2019
--------------------------------------------------------------
*
* Usage:
* ./buzzer_main [-d] [delay] [-b] [beep] [-p] [pin]
* With:
* -delay: buzzer ON time
* -beep : times to beep
* -pin: new buzzer pin (wiringPi pin)
*
--------------------------------------------------------------"""
import buzzer
try:
buzzer.beep(100, 2)
except KeyboardInterrupt:
pass
herkulexthread.daemon = True
herkulexthread.start()
#Enable buzzer warning
buzzer.alertbuzzer_enabled = 1
thread.start_new_thread(buzzer.run, (buzzerpin,)) #start sensor thread
#Enable the devices and sensors
sensors.ambience_sensor_enabled = 0 #enable temp reading after thread start
sensors.adc1_sensor_enabled = 1 #enable adc reading after thread start
sensors.adc2_sensor_enabled = 1 #enable adc reading after thread start
sensors.adc3_sensor_enabled = 1 #enable adc reading after thread start
time.sleep(0.5)
print("\n\n\nBoot-up ... Successful\n\n\n")
buzzer.beep(buzzerpin, 1)
except Exception, e:
print(str(e))
print("\n\n\nBoot-up ... Failed\n")
buzzer.beep_fail(buzzerpin)
GPIO.cleanup()
try:
app = QtWidgets.QApplication(sys.argv)
app.aboutToQuit.connect(exitProgram)
labelWindow = QtWidgets.QMainWindow()
ui = mainwindow.Ui_labelWindow(peltierfanpin1,peltierfanpin2, peltier1, peltier2, heater, motor_step_pin, motor_dir_pin, motor_enable_pin, buzzerpin, ledcirclepin)
ui.setupUi(labelWindow)
labelWindow.show()
sys.exit(app.exec_())
# -- coding: utf-8 --
#导入模块
import buzzer
var = 1
#初始化led引脚
buzzer.buzzer_init()
#初始化后进入一个死循环执行流水灯，通过修改flow(time)，time参数来改变速度（单位秒）
while var == 1:
buzzer.beep(0.2, 1)