Simply python script to try out edge detection with NTC C.H.I.P. GPIO and buttons.

chipgpioedge.py

#use edge detection to trigger button event with CHIP_IO and Adafruit GPIO Library on Next Thing Co's C.H.I.P.
import time
import CHIP_IO.GPIO as GPIO

# Pin configuration.
pinA = "XIO-P4"
pinB = "XIO-P5"
pinC = "XIO-P6"

# Setup input for pin
GPIO.setup(pinA,GPIO.IN)
GPIO.setup(pinB,GPIO.IN)
GPIO.setup(pinC,GPIO.IN)

def fallcall(channel):
    print "CALLBACK FALL"

def risecall(channel):
    print "CALLBACK RISE"

def bothcall(channel):
    print "CALLBACK BOTH"


# Setup input for pin
#GPIO.setup(pin,GPIO.IN)
GPIO.add_event_detect(pinA,GPIO.FALLING,fallcall)
GPIO.add_event_detect(pinB,GPIO.RISING,risecall)
GPIO.add_event_detect(pinC,GPIO.BOTH,bothcall)

# make a loop
try:
    while True:
        print "press a button..."
        time.sleep(1)

except KeyboardInterrupt:
    GPIO.cleanup()       # clean up GPIO on CTRL+C exit
GPIO.cleanup()           # clean up GPIO on normal exit