#test_piButton_pi.py
#By D@CC
#On 2021 E May 19
#Article: 164.html  selectCode 12
#uSD: none

#Functions Used:
# piButton()
# GPIO.setmode(GPIO.BCM)
# GPIO.setup(GPIO_pin,GPIO.IN)
# time.time()
# GPIO.input(pin_Light)
# time.sleep(1)


import RPi.GPIO as GPIO
import time

# circuit: 3V3 to CDS to digLight pin
#          through 5K6 resist to GND

def piButton(pin_Light):
    #print("in piButton")
    #GPIO.setmode(GPIO.BCM)
    #GPIO.setup(pin_Light,GPIO.IN)
    #print("reading light pin")
    if GPIO.input(pin_Light)==1:
        #print("digLight is 1: ON  i.e. lit")
        return False
    else:
        #print("pi Button pressed")
        return True
    #end if
#end def piButton

progName="test_piButton_pi.py"
print("starting ",progName)
print(" Ctrl-C will end the program")
GPIO_pin=22
GPIO.setmode(GPIO.BCM)
GPIO.setup(GPIO_pin,GPIO.IN)
i= GPIO.input(GPIO_pin)
timeNow=time.time()
print("i:",i,"at time:",timeNow)
print("Please press piButton (pin:",GPIO_pin,")")
while True:
    #try:
    #print("calling piButton")

    isDown=piButton(GPIO_pin)
    timeNow=time.time()
    if isDown : print("piButton pressed at",timeNow)
    #except:
    #    #print("^C program stopping")
    #    doh="doh!"
    #end try
    time.sleep(1) # 1sec
#end while
#test_piButton_pi.py