CyberJacob

• phone.py

from gpiozero.pins.rpigpio import RPiGPIOPin
from gpiozero import Button

rows = [12, 16, 20, 21]
cols = [4, 17, 27, 22]


rowPins = []
colPins = []

bounces = {}

for row in rows:
    pin = RPiGPIOPin(row)
    pin.bounce = 5
    rowPins.append(pin)
    bounces[pin.number] = {}

for col in cols:
    pin = RPiGPIOPin(col)
    pin.bounce = 5
    colPins.append(pin)

for row in rowPins:
    for col in colPins:
        bounces[row.number][col.number] = 0

def hookswitchChange():
    print("Button Activated")

hookswitch = Button(2)
hookswitch.when_activated = hookswitchChange
hookswitch.when_deactivated = hookswitchChange

print "starting loop"

while True:
    for row in rowPins:
        # set row pin high
        row.output_with_state(True)
        for col in colPins:
            # read col pin
            col.input_with_pull('down')
            status = col.state
            if col.state == 1:
                print "{0}/{1} - {2}".format(row, col, status)
                bounces[row.number][col.number] += 2
        row.output_with_state(False)

    for row, cols in bounces.items():
        for col, status in cols.items():
            if status > 5:
                print "{0}/{1} - {2}".format(row, col, status)
            bounces[row][col] -= 1