from Tkinter import *
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
TRIG=11
ECHO=15
GPIO.setup(TRIG,GPIO.OUT)
GPIO.setup(ECHO,GPIO.IN,pull_up_down=GPIO.PUD_DOWN)
root=Tk()
def start():
global distance,pulse_end, p
TRIG=11
ECHO=15
GPIO.output(TRIG,False)
print("delay")
time.sleep(2)
GPIO.output(TRIG,True)
time.sleep(0.00001)
GPIO.output(TRIG,False)
while GPIO.input(ECHO)==0:
p=0
p=time.time()
while GPIO.input(ECHO)==1:
pulse_end=0
pulse_end=time.time()
d =pulse_end - p
distance=d*17150
#distance=round(distance,2)
print("Distance:",distance,"cm")
lable= Label (root,width=36,fg="yellow",bg="purple")
lable.config(font=("Courier",36))
lable.config(text=distance)
lable.pack()
button=Button(root,text='Stop',bg ='cyan',width=50,command=root.destroy)
button.pack()
button2=Button(root,text='Sart', bg ='gold',width=50,command=start)
button2.pack()
root.mainloop()
GPIO.cleanup()
Comments