input_test.py

#! /usr/bin/env python3

"""
To Run - python3 input_test.py from a terminal window
All inputs that can be used by Pi Presents from model b+ onwards will be read every second
and their state printed to the terminal
To exit type CTRL-C
"""

import sys
if sys.version_info[0] != 3:
        sys.stdout.write("ERROR: Pi Presents requires python 3\nHint: python3 input_test.py .......\n")
        exit(102)

import RPi.GPIO as GPIO
from time import sleep


def read_pins():
    print("")
    for pin in pins:
        print("Pin ",pin,GPIO.input(pin))
            

# pins=[3,5,7,8,10,11,12,13,15,16,18,19, 21, 22, 23, 24, 26]
pins=[3,5,7,8,10,11,12,13,15,16,18,19, 21, 22, 23, 24, 26,29,31,32,33,35,36,37,38,40]

# pins 3 and 5 have permanent 1.8k pull ups to 3.3 volts and will therefore be 1 even if PULL_UP=GPIO.PUD_DOWN
# comment out all but the internal pullup value you want
PULL=GPIO.PUD_UP            # internal pullup resistor to 3.3 volts
#PULL=GPIO.PUD_DOWN   #internal pullup resistor to 0 volts
#PULL=GPIO.PUD_OFF        # internal pullup resistor disconnected

GPIO.setwarnings(False)
GPIO.cleanup()
GPIO.setmode(GPIO.BOARD)
for pin in pins:
    GPIO.setup(pin,GPIO.IN,pull_up_down=PULL)
while True:
    read_pins()
    sleep (1)