tkinter 如何在不单击按钮的情况下获取标签以显示 GPIO 状态
tkinter how to get a label to refresh without a button click to show GPIO state
此代码是我正在开发的水族馆控制器图形用户界面的一部分。当它启动时，它会自动在标签****状态标签中显示 GPIO 引脚的当前状态。我想做的是设法让它每 20 秒刷新一次标签。如果这可以通过单击按钮来完成，我更愿意..我不确定这是否可能或者 not.I 是 python 的新手所以任何帮助将不胜感激
import RPi.GPIO as GPIO
import time
import tkinter as tk
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
#setup output pins for relay control
GPIO.setup(2, GPIO.OUT) #return pump 1 ch 1 cutoff relay in series with GPIO(8)
GPIO.setup(3, GPIO.OUT) #return pump 2 ch 2 relay
GPIO.setup(4, GPIO.OUT) #gyre pump ch3 relay
GPIO.setup(8, GPIO.OUT) #used for return pump 1
GPIO.setup(9, GPIO.OUT) #power head 2 ch 5 relay
GPIO.setup(11, GPIO.OUT) #power head 1 ch
GPIO.setup(19, GPIO.OUT) #SPARE relay output
GPIO.setup(14, GPIO.OUT) #SPARE relay output
GPIO.setup(15, GPIO.OUT) #SPARE relay output
GPIO.setup(18, GPIO.OUT) #SPARE relay outlet
#set the outputs to high on startup
#GPIO.output(2, GPIO.HIGH) # return pump 1
#GPIO.output(3, GPIO.HIGH) # return pump 2
#GPIO.output(4, GPIO.HIGH) # gyre pump
#GPIO.output(9, GPIO.HIGH) # powerhead 2
#GPIO.output(11, GPIO.HIGH) # powerhead 1
#GPIO.output(19, GPIO.HIGH) # Spare
#GPIO.output(14, GPIO.HIGH) # Spare
#GPIO.output(15, GPIO.HIGH) # Spare
#GPIO.output(18, GPIO.HIGH) # Spare
time.sleep(1)
#setup tkinter
root=tk.Tk()
root.title("Johns Aquarium")
root.geometry("800x550")
root.configure(bg="lightblue")
#setup image
photo1 = tk.PhotoImage(file="fish.gif") #defines a photo and gives the file name
label1 = tk.Label(image=photo1)#puts label in the window in this case not text file must be in program folder
label1.grid(row=10, column=0, columnspan=12) #says how to place the label
#setup fonts
ftlab= 'Verdana', 13, 'bold'
ftb= 'Verdana', 11, 'bold'
#setup exit button
Exitbutton= tk.Button(root, text="Exit", font=(ftb), width=6, bg="red", fg="white", command=root.destroy)
Exitbutton.place(x=700, y=240)
#setup return pump 1
labelreturn1= tk.Label(root, text=("RETURN PUMP 1"), font=(ftlab), bg="yellow", fg="black")
labelreturn1.place(x=0, y=300)
labelreturn1gpio= tk.Label(root, text=("GPIO 2"), font=(ftlab), bg="black", fg="white")
labelreturn1gpio.place(x= 670, y=300)
labelreturn1state= tk.Label(root, font=(ftlab), fg="black")
labelreturn1state.place(x=550, y=296)
labelreturn1state.configure(text=' Auto ' if GPIO.input(2) else ' Off ')
#setup return pump 2
labelreturn2= tk.Label(root, text=("RETURN PUMP 2"), font=(ftlab), bg="yellow", fg="black")
labelreturn2.place(x=0, y=335)
labelreturn2gpio= tk.Label(root, text=("GPIO 3"), font=(ftlab), bg="black", fg="white")
labelreturn2gpio.place(x= 670, y=335)
labelreturn2state= tk.Label(root, font=(ftlab), fg="black")
labelreturn2state.place(x=550, y=331)
labelreturn2state.configure(text=' On ' if GPIO.input(3) else ' Off ')
#setup gyre pump buttons and labels
labelgyre= tk.Label(root, text=("GYRE WAVE "), font=(ftlab), bg="green", fg="black")
labelgyre.place(x=0, y=400)
labelgyregpio= tk.Label(root, text=("GPIO 4"), font=(ftlab), bg="black", fg="white")
labelgyregpio.place(x= 670, y=400)
labelgyrestate= tk.Label(root, font=(ftlab), fg="black")
labelgyrestate.place(x=550, y=396)
labelgyrestate.configure(text=' On ' if GPIO.input(4) else ' Off ')
#setup power head 1 pump
labelpwrhd1= tk.Label(root, text=("POWER HEAD 1"), font=(ftlab), bg="orange", fg="black")
labelpwrhd1.place(x=0, y=450)
labelpwrhd1gpio= tk.Label(root, text=("GPIO 11"), font=(ftlab), bg="black", fg="white")
labelpwrhd1gpio.place(x= 670, y=450)
labelpwrhd1state= tk.Label(root, font=(ftlab), fg="black")
labelpwrhd1state.place(x=550, y=446)
labelpwrhd1state.configure(text=' On ' if GPIO.input(11) else ' Off ')
#setup powerhead 2 buttons and labels
labelpwrhd2= tk.Label(root, text=("POWER HEAD 2"), font=(ftlab), bg="orange", fg="black")
labelpwrhd2.place(x=0, y=496)
labelpwrhd2gpio= tk.Label(root, text=("GPIO 9"), font=(ftlab), bg="black", fg="white")
labelpwrhd2gpio.place(x= 670, y=496)
labelpwrhd2state= tk.Label(root, font=(ftlab), fg="black")
labelpwrhd2state.place(x=550, y=496)
labelpwrhd2state.configure(text=' On ' if GPIO.input(9) else ' Off ')
root.mainloop()
您可以通过使用 Tk 对象的 after 方法定期 运行 函数。
def update():
on, off = ' On ', ' Off '
labelreturn2state['text'] = on if GPIO.input(3) else off
# et cetera
# Re-register the timeout.
root.after(20000, update)
# Register the timeout. Time is in ms.
root.after(20000, update)
# Start the main loop.
root.mainloop()
好吧，在尝试之后，我设法通过以下代码找到了解决此问题的答案。我看到的唯一问题是，当我单击提要按钮时，程序要求 GPIO 引脚停止 20 分钟。所以它不会在这个休息期间更新标签。但希望这可以帮助人们完成它的方法
import tkinter as tk
import time
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
#setup output pins for relay control
GPIO.setup(2, GPIO.OUT) #return pump 1 ch 1 cutoff relay in series with GPIO(8)
GPIO.setup(3, GPIO.OUT) #return pump 2 ch 2 relay
GPIO.setup(4, GPIO.OUT) #gyre pump ch3 relay
GPIO.setup(8, GPIO.OUT) #used for return pump 1
GPIO.setup(9, GPIO.OUT) #power head 2 ch 5 relay
GPIO.setup(11, GPIO.OUT) #power head 1 ch
ftlab= 'Verdana', 13, 'bold'
ftb= 'Verdana', 11, 'bold'
#setup tkinter
def rtn1auto():
GPIO.output(2, GPIO.HIGH)
def rtn1off():
GPIO.output(2, GPIO.LOW)
def rtn2on():
GPIO.output(3, GPIO.HIGH)
def rtn2off():
GPIO.output(3, GPIO.LOW)
def pwrhd1on():
GPIO.output(11, GPIO.HIGH)
def pwrhd1off():
GPIO.output(11, GPIO.LOW)
def pwrhd2on():
GPIO.output(9, GPIO.HIGH)
def pwrhd2off():
GPIO.output(9, GPIO.LOW)
def gyreon():
GPIO.output(4, GPIO.HIGH)
def gyreoff():
GPIO.output(4, GPIO.LOW)
def rtn1feed():
time.sleep(15)
GPIO.output(2, GPIO.LOW)
time.sleep(3)
GPIO.output(3, GPIO.LOW)
time.sleep(3)
GPIO.output(4, GPIO.LOW)
time.sleep(3)
GPIO.output(11, GPIO.LOW)
time.sleep(3)
GPIO.output(9, GPIO.LOW)
time.sleep(1200)
GPIO.output(2, GPIO.HIGH)
time.sleep(3)
GPIO.output(3, GPIO.HIGH)
time.sleep(3)
GPIO.output(4, GPIO.HIGH)
time.sleep(3)
GPIO.output(11, GPIO.HIGH)
time.sleep(3)
GPIO.output(9, GPIO.HIGH)
class gpio(tk.Tk):
def __init__(root, *args, **kwargs):
tk.Tk.__init__(root, *args, **kwargs)
root.title("johns")
root.geometry("800x550")
root.configure(bg="lightblue")
#setup exit button
Exitbutton= tk.Button(root, text="Exit", font=(ftb), width=6, bg="red", fg="white", command=root.destroy)
Exitbutton.place(x=700, y=240)
#setup image
#photo1 = tk.PhotoImage(file="fish.gif") #defines a photo and gives the file name
#label1 = tk.Label(root, image=photo1)#puts label in the window in this case not text file must be in program folder
#label1.place(x=0, y=0) #says how to place the label
#set up return pump 1 buttons and labels
root.rtnp1label = tk.Label(root, text="")
root.rtnp1label.place(x=560, y=300)
labelreturn1= tk.Label(root, text=("RETURN PUMP 1"), font=(ftlab), bg="yellow", fg="black")
labelreturn1.place(x=0, y=300)
butreturn1auto= tk.Button(root, text=("AUTO RUN"), font=(ftb), command=rtn1auto)
butreturn1auto.place(x=180, y=296)
butreturn1off= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=rtn1off)
butreturn1off.place(x= 300, y=296)
labelreturn1gpio= tk.Label(root, text=("GPIO 2"), font=(ftlab), bg="black", fg="white")
labelreturn1gpio.place(x= 670, y=300)
#setup return pump 2 buttons and labels
root.rtnp2label = tk.Label(root, text="")
root.rtnp2label.place(x=560, y=335)
labelreturn2= tk.Label(root, text=("RETURN PUMP 2"), font=(ftlab), bg="yellow", fg="black")
labelreturn2.place(x=0, y=335)
butreturn2on= tk.Button(root, text=("PUMP ON"), font=(ftb), command=rtn2on)
butreturn2on.place(x=180, y=331)
butreturn2off= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=rtn2off)
butreturn2off.place(x= 300, y= 331)
labelreturn2gpio= tk.Label(root, text=("GPIO 3"), font=(ftlab), bg="black", fg="white")
labelreturn2gpio.place(x= 670, y=335)
#setup powerhead 2 buttons and labels
root.pwrhd2label = tk.Label(root, text="")
root.pwrhd2label.place(x=560, y=496)
labelpwrhd2= tk.Label(root, text=("POWER HEAD 2"), font=(ftlab), bg="orange", fg="black")
labelpwrhd2.place(x=0, y=496)
butpwrhd2= tk.Button(root, text=("PUMP ON"), font=(ftb), command=pwrhd2on)
butpwrhd2.place(x=180, y=492)
butpwrhd2= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=pwrhd2off)
butpwrhd2.place(x= 300, y= 492)
labelpwrhd2gpio= tk.Label(root, text=("GPIO 9"), font=(ftlab), bg="black", fg="white")
labelpwrhd2gpio.place(x= 670, y=496)
#setup powerhead 1 buttons and lbels
root.pwrhd1label = tk.Label(root, text="")
root.pwrhd1label.place(x=560, y=450)
labelpwrhd1= tk.Label(root, text=("POWER HEAD 1"), font=(ftlab), bg="orange", fg="black")
labelpwrhd1.place(x=0, y=450)
butpwrhd1= tk.Button(root, text=("PUMP ON"), font=(ftb), command=pwrhd1on)
butpwrhd1.place(x=180, y=446)
butpwrhd1= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=pwrhd1off)
butpwrhd1.place(x= 300, y= 446)
labelpwrhd1gpio= tk.Label(root, text=("GPIO 11"), font=(ftlab), bg="black", fg="white")
labelpwrhd1gpio.place(x= 670, y=450)
#setup gyre pump buttons and labels
root.gyrelabel =tk.Label(root, text="")
root.gyrelabel.place(x=560, y=400)
labelgyre= tk.Label(root, text=("GYRE WAVE "), font=(ftlab), bg="green", fg="black")
labelgyre.place(x=0, y=400)
butgyreon= tk.Button(root, text=("PUMP ON"), font=(ftb), command=gyreon)
butgyreon.place(x=180, y=396)
butgyreoff= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=gyreoff)
butgyreoff.place(x= 300, y= 396)
labelgyregpio= tk.Label(root, text=("GPIO 4"), font=(ftlab), bg="black", fg="white")
labelgyregpio.place(x= 670, y=400)
#setup feed button
butreturn1feed= tk.Button(root, text=("20 MINUTE ") + ("FEED TIMER"),wraplength=90, font=(ftb),bg="red",
height=12, command=rtn1feed)
butreturn1feed.place(x= 420, y=296)
# start the GPIO checks"
root.update_gpio()
def update_gpio(root):
rt1 = (' On ' if GPIO.input(2) else ' Off ')
root.rtnp1label.configure(text=rt1, bg ="yellow", font=(ftb))
rt2 = (' On ' if GPIO.input(3) else ' Off ')
root.rtnp2label.configure(text=rt2, bg ="yellow", font=(ftb))
ph2 = (' On ' if GPIO.input(9) else ' Off ')
root.pwrhd2label.configure(text=ph2, bg ="yellow", font=(ftb))
ph1 = (' On ' if GPIO.input(11) else ' Off ')
root.pwrhd1label.configure(text=ph1, bg ="yellow", font=(ftb))
gyr = (' On ' if GPIO.input(4) else ' Off ')
root.gyrelabel.configure(text=gyr, bg ="yellow", font=(ftb))
# call this function again in one second
root.after(200, root.update_gpio)
if __name__== "__main__":
app = gpio()
app.mainloop()
此代码是我正在开发的水族馆控制器图形用户界面的一部分。当它启动时，它会自动在标签****状态标签中显示 GPIO 引脚的当前状态。我想做的是设法让它每 20 秒刷新一次标签。如果这可以通过单击按钮来完成，我更愿意..我不确定这是否可能或者 not.I 是 python 的新手所以任何帮助将不胜感激
import RPi.GPIO as GPIO
import time
import tkinter as tk
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
#setup output pins for relay control
GPIO.setup(2, GPIO.OUT) #return pump 1 ch 1 cutoff relay in series with GPIO(8)
GPIO.setup(3, GPIO.OUT) #return pump 2 ch 2 relay
GPIO.setup(4, GPIO.OUT) #gyre pump ch3 relay
GPIO.setup(8, GPIO.OUT) #used for return pump 1
GPIO.setup(9, GPIO.OUT) #power head 2 ch 5 relay
GPIO.setup(11, GPIO.OUT) #power head 1 ch
GPIO.setup(19, GPIO.OUT) #SPARE relay output
GPIO.setup(14, GPIO.OUT) #SPARE relay output
GPIO.setup(15, GPIO.OUT) #SPARE relay output
GPIO.setup(18, GPIO.OUT) #SPARE relay outlet
#set the outputs to high on startup
#GPIO.output(2, GPIO.HIGH) # return pump 1
#GPIO.output(3, GPIO.HIGH) # return pump 2
#GPIO.output(4, GPIO.HIGH) # gyre pump
#GPIO.output(9, GPIO.HIGH) # powerhead 2
#GPIO.output(11, GPIO.HIGH) # powerhead 1
#GPIO.output(19, GPIO.HIGH) # Spare
#GPIO.output(14, GPIO.HIGH) # Spare
#GPIO.output(15, GPIO.HIGH) # Spare
#GPIO.output(18, GPIO.HIGH) # Spare
time.sleep(1)
#setup tkinter
root=tk.Tk()
root.title("Johns Aquarium")
root.geometry("800x550")
root.configure(bg="lightblue")
#setup image
photo1 = tk.PhotoImage(file="fish.gif") #defines a photo and gives the file name
label1 = tk.Label(image=photo1)#puts label in the window in this case not text file must be in program folder
label1.grid(row=10, column=0, columnspan=12) #says how to place the label
#setup fonts
ftlab= 'Verdana', 13, 'bold'
ftb= 'Verdana', 11, 'bold'
#setup exit button
Exitbutton= tk.Button(root, text="Exit", font=(ftb), width=6, bg="red", fg="white", command=root.destroy)
Exitbutton.place(x=700, y=240)
#setup return pump 1
labelreturn1= tk.Label(root, text=("RETURN PUMP 1"), font=(ftlab), bg="yellow", fg="black")
labelreturn1.place(x=0, y=300)
labelreturn1gpio= tk.Label(root, text=("GPIO 2"), font=(ftlab), bg="black", fg="white")
labelreturn1gpio.place(x= 670, y=300)
labelreturn1state= tk.Label(root, font=(ftlab), fg="black")
labelreturn1state.place(x=550, y=296)
labelreturn1state.configure(text=' Auto ' if GPIO.input(2) else ' Off ')
#setup return pump 2
labelreturn2= tk.Label(root, text=("RETURN PUMP 2"), font=(ftlab), bg="yellow", fg="black")
labelreturn2.place(x=0, y=335)
labelreturn2gpio= tk.Label(root, text=("GPIO 3"), font=(ftlab), bg="black", fg="white")
labelreturn2gpio.place(x= 670, y=335)
labelreturn2state= tk.Label(root, font=(ftlab), fg="black")
labelreturn2state.place(x=550, y=331)
labelreturn2state.configure(text=' On ' if GPIO.input(3) else ' Off ')
#setup gyre pump buttons and labels
labelgyre= tk.Label(root, text=("GYRE WAVE "), font=(ftlab), bg="green", fg="black")
labelgyre.place(x=0, y=400)
labelgyregpio= tk.Label(root, text=("GPIO 4"), font=(ftlab), bg="black", fg="white")
labelgyregpio.place(x= 670, y=400)
labelgyrestate= tk.Label(root, font=(ftlab), fg="black")
labelgyrestate.place(x=550, y=396)
labelgyrestate.configure(text=' On ' if GPIO.input(4) else ' Off ')
#setup power head 1 pump
labelpwrhd1= tk.Label(root, text=("POWER HEAD 1"), font=(ftlab), bg="orange", fg="black")
labelpwrhd1.place(x=0, y=450)
labelpwrhd1gpio= tk.Label(root, text=("GPIO 11"), font=(ftlab), bg="black", fg="white")
labelpwrhd1gpio.place(x= 670, y=450)
labelpwrhd1state= tk.Label(root, font=(ftlab), fg="black")
labelpwrhd1state.place(x=550, y=446)
labelpwrhd1state.configure(text=' On ' if GPIO.input(11) else ' Off ')
#setup powerhead 2 buttons and labels
labelpwrhd2= tk.Label(root, text=("POWER HEAD 2"), font=(ftlab), bg="orange", fg="black")
labelpwrhd2.place(x=0, y=496)
labelpwrhd2gpio= tk.Label(root, text=("GPIO 9"), font=(ftlab), bg="black", fg="white")
labelpwrhd2gpio.place(x= 670, y=496)
labelpwrhd2state= tk.Label(root, font=(ftlab), fg="black")
labelpwrhd2state.place(x=550, y=496)
labelpwrhd2state.configure(text=' On ' if GPIO.input(9) else ' Off ')
root.mainloop()
您可以通过使用 Tk 对象的 after 方法定期 运行 函数。
def update():
on, off = ' On ', ' Off '
labelreturn2state['text'] = on if GPIO.input(3) else off
# et cetera
# Re-register the timeout.
root.after(20000, update)
# Register the timeout. Time is in ms.
root.after(20000, update)
# Start the main loop.
root.mainloop()
好吧，在尝试之后，我设法通过以下代码找到了解决此问题的答案。我看到的唯一问题是，当我单击提要按钮时，程序要求 GPIO 引脚停止 20 分钟。所以它不会在这个休息期间更新标签。但希望这可以帮助人们完成它的方法
import tkinter as tk
import time
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
#setup output pins for relay control
GPIO.setup(2, GPIO.OUT) #return pump 1 ch 1 cutoff relay in series with GPIO(8)
GPIO.setup(3, GPIO.OUT) #return pump 2 ch 2 relay
GPIO.setup(4, GPIO.OUT) #gyre pump ch3 relay
GPIO.setup(8, GPIO.OUT) #used for return pump 1
GPIO.setup(9, GPIO.OUT) #power head 2 ch 5 relay
GPIO.setup(11, GPIO.OUT) #power head 1 ch
ftlab= 'Verdana', 13, 'bold'
ftb= 'Verdana', 11, 'bold'
#setup tkinter
def rtn1auto():
GPIO.output(2, GPIO.HIGH)
def rtn1off():
GPIO.output(2, GPIO.LOW)
def rtn2on():
GPIO.output(3, GPIO.HIGH)
def rtn2off():
GPIO.output(3, GPIO.LOW)
def pwrhd1on():
GPIO.output(11, GPIO.HIGH)
def pwrhd1off():
GPIO.output(11, GPIO.LOW)
def pwrhd2on():
GPIO.output(9, GPIO.HIGH)
def pwrhd2off():
GPIO.output(9, GPIO.LOW)
def gyreon():
GPIO.output(4, GPIO.HIGH)
def gyreoff():
GPIO.output(4, GPIO.LOW)
def rtn1feed():
time.sleep(15)
GPIO.output(2, GPIO.LOW)
time.sleep(3)
GPIO.output(3, GPIO.LOW)
time.sleep(3)
GPIO.output(4, GPIO.LOW)
time.sleep(3)
GPIO.output(11, GPIO.LOW)
time.sleep(3)
GPIO.output(9, GPIO.LOW)
time.sleep(1200)
GPIO.output(2, GPIO.HIGH)
time.sleep(3)
GPIO.output(3, GPIO.HIGH)
time.sleep(3)
GPIO.output(4, GPIO.HIGH)
time.sleep(3)
GPIO.output(11, GPIO.HIGH)
time.sleep(3)
GPIO.output(9, GPIO.HIGH)
class gpio(tk.Tk):
def __init__(root, *args, **kwargs):
tk.Tk.__init__(root, *args, **kwargs)
root.title("johns")
root.geometry("800x550")
root.configure(bg="lightblue")
#setup exit button
Exitbutton= tk.Button(root, text="Exit", font=(ftb), width=6, bg="red", fg="white", command=root.destroy)
Exitbutton.place(x=700, y=240)
#setup image
#photo1 = tk.PhotoImage(file="fish.gif") #defines a photo and gives the file name
#label1 = tk.Label(root, image=photo1)#puts label in the window in this case not text file must be in program folder
#label1.place(x=0, y=0) #says how to place the label
#set up return pump 1 buttons and labels
root.rtnp1label = tk.Label(root, text="")
root.rtnp1label.place(x=560, y=300)
labelreturn1= tk.Label(root, text=("RETURN PUMP 1"), font=(ftlab), bg="yellow", fg="black")
labelreturn1.place(x=0, y=300)
butreturn1auto= tk.Button(root, text=("AUTO RUN"), font=(ftb), command=rtn1auto)
butreturn1auto.place(x=180, y=296)
butreturn1off= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=rtn1off)
butreturn1off.place(x= 300, y=296)
labelreturn1gpio= tk.Label(root, text=("GPIO 2"), font=(ftlab), bg="black", fg="white")
labelreturn1gpio.place(x= 670, y=300)
#setup return pump 2 buttons and labels
root.rtnp2label = tk.Label(root, text="")
root.rtnp2label.place(x=560, y=335)
labelreturn2= tk.Label(root, text=("RETURN PUMP 2"), font=(ftlab), bg="yellow", fg="black")
labelreturn2.place(x=0, y=335)
butreturn2on= tk.Button(root, text=("PUMP ON"), font=(ftb), command=rtn2on)
butreturn2on.place(x=180, y=331)
butreturn2off= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=rtn2off)
butreturn2off.place(x= 300, y= 331)
labelreturn2gpio= tk.Label(root, text=("GPIO 3"), font=(ftlab), bg="black", fg="white")
labelreturn2gpio.place(x= 670, y=335)
#setup powerhead 2 buttons and labels
root.pwrhd2label = tk.Label(root, text="")
root.pwrhd2label.place(x=560, y=496)
labelpwrhd2= tk.Label(root, text=("POWER HEAD 2"), font=(ftlab), bg="orange", fg="black")
labelpwrhd2.place(x=0, y=496)
butpwrhd2= tk.Button(root, text=("PUMP ON"), font=(ftb), command=pwrhd2on)
butpwrhd2.place(x=180, y=492)
butpwrhd2= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=pwrhd2off)
butpwrhd2.place(x= 300, y= 492)
labelpwrhd2gpio= tk.Label(root, text=("GPIO 9"), font=(ftlab), bg="black", fg="white")
labelpwrhd2gpio.place(x= 670, y=496)
#setup powerhead 1 buttons and lbels
root.pwrhd1label = tk.Label(root, text="")
root.pwrhd1label.place(x=560, y=450)
labelpwrhd1= tk.Label(root, text=("POWER HEAD 1"), font=(ftlab), bg="orange", fg="black")
labelpwrhd1.place(x=0, y=450)
butpwrhd1= tk.Button(root, text=("PUMP ON"), font=(ftb), command=pwrhd1on)
butpwrhd1.place(x=180, y=446)
butpwrhd1= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=pwrhd1off)
butpwrhd1.place(x= 300, y= 446)
labelpwrhd1gpio= tk.Label(root, text=("GPIO 11"), font=(ftlab), bg="black", fg="white")
labelpwrhd1gpio.place(x= 670, y=450)
#setup gyre pump buttons and labels
root.gyrelabel =tk.Label(root, text="")
root.gyrelabel.place(x=560, y=400)
labelgyre= tk.Label(root, text=("GYRE WAVE "), font=(ftlab), bg="green", fg="black")
labelgyre.place(x=0, y=400)
butgyreon= tk.Button(root, text=("PUMP ON"), font=(ftb), command=gyreon)
butgyreon.place(x=180, y=396)
butgyreoff= tk.Button(root, text=("PUMP OFF"), font=(ftb), command=gyreoff)
butgyreoff.place(x= 300, y= 396)
labelgyregpio= tk.Label(root, text=("GPIO 4"), font=(ftlab), bg="black", fg="white")
labelgyregpio.place(x= 670, y=400)
#setup feed button
butreturn1feed= tk.Button(root, text=("20 MINUTE ") + ("FEED TIMER"),wraplength=90, font=(ftb),bg="red",
height=12, command=rtn1feed)
butreturn1feed.place(x= 420, y=296)
# start the GPIO checks"
root.update_gpio()
def update_gpio(root):
rt1 = (' On ' if GPIO.input(2) else ' Off ')
root.rtnp1label.configure(text=rt1, bg ="yellow", font=(ftb))
rt2 = (' On ' if GPIO.input(3) else ' Off ')
root.rtnp2label.configure(text=rt2, bg ="yellow", font=(ftb))
ph2 = (' On ' if GPIO.input(9) else ' Off ')
root.pwrhd2label.configure(text=ph2, bg ="yellow", font=(ftb))
ph1 = (' On ' if GPIO.input(11) else ' Off ')
root.pwrhd1label.configure(text=ph1, bg ="yellow", font=(ftb))
gyr = (' On ' if GPIO.input(4) else ' Off ')
root.gyrelabel.configure(text=gyr, bg ="yellow", font=(ftb))
# call this function again in one second
root.after(200, root.update_gpio)
if __name__== "__main__":
app = gpio()
app.mainloop()