def add_event_detect(dio_number, callback):
""" Wraps around the GPIO.add_event_detect function
:param dio_number: DIO pin 0...5
:param callback: The function to call when the DIO triggers an IRQ.
:return: None
"""
GPIO.add_event_detect(dio_number, GPIO.RISING, callback=callback)
def led_on(value=1):
""" Switch the proto shields LED
:param value: 0/1 for off/on. Default is 1.
:return: value
:rtype : int
"""
GPIO.output(BOARD2.LED, value)
return value
def add_events(cb_dio0, cb_dio1, cb_dio2, cb_dio3, cb_dio4, cb_dio5, switch_cb=None):
BOARD2.add_event_detect(BOARD2.DIO0, callback=cb_dio0)
BOARD2.add_event_detect(BOARD2.DIO1, callback=cb_dio1)
BOARD2.add_event_detect(BOARD2.DIO2, callback=cb_dio2)
BOARD2.add_event_detect(BOARD2.DIO3, callback=cb_dio3)
# the modtronix inAir9B does not expose DIO4 and DIO5
if switch_cb is not None:
GPIO.add_event_detect(BOARD2.SWITCH, GPIO.RISING, callback=switch_cb, bouncetime=300)
def reset():
""" manual reset
:return: 0
"""
GPIO.output(BOARD2.RST, 0)
time.sleep(.01)
GPIO.output(BOARD2.RST, 1)
time.sleep(.01)
return 0
def teardown():
""" Cleanup GPIO and SpiDev """
GPIO.cleanup()
BOARD.spi.close()
def setup():
""" Configure the Raspberry GPIOs
:rtype : None
"""
GPIO.setmode(GPIO.BCM)
# LED
GPIO.setup(BOARD.LED, GPIO.OUT)
GPIO.setup(BOARD.RST, GPIO.OUT)
GPIO.output(BOARD.LED, 0)
GPIO.output(BOARD.RST, 1)
# switch
#GPIO.setup(BOARD.SWITCH, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
# DIOx
for gpio_pin in [BOARD.DIO0, BOARD.DIO1, BOARD.DIO2, BOARD.DIO3]:
GPIO.setup(gpio_pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
# blink 2 times to signal the board is set up
BOARD.blink(.1, 2)
def led_off():
""" Switch LED off
:return: 0
"""
GPIO.output(BOARD2.LED, 0)
return 0