def __init__(self, config):
self.out = Output(config)
self.cfg = config
self.cam = Camera(config)
self.GPIO_PIR = None if config.get('global', 'pin_pir') is '' else int(config.get('global', 'pin_pir'))
self.GPIO_LED = None if config.get('global', 'pin_led') is '' else int(config.get('global', 'pin_led'))
GPIO.setmode(GPIO.BOARD)
# Set pin as input
GPIO.setup(self.GPIO_PIR, GPIO.IN)
self.out.msg('Setting pin %s for PIR sensor' % self.GPIO_PIR, DEBUG)
# Set up pin for LED
if self.GPIO_LED:
GPIO.setup(self.GPIO_LED, GPIO.OUT)
self.out.msg('Setting pin %s for LED diode' % self.GPIO_LED, DEBUG)
self.blink(4)
class Sensor():
cfg = None
cam = None
prevState = False
currState = False
GPIO_PIR = None
GPIO_LED = None
start_time = None
def __init__(self, config):
self.out = Output(config)
self.cfg = config
self.cam = Camera(config)
self.GPIO_PIR = None if config.get('global', 'pin_pir') is '' else int(config.get('global', 'pin_pir'))
self.GPIO_LED = None if config.get('global', 'pin_led') is '' else int(config.get('global', 'pin_led'))
GPIO.setmode(GPIO.BOARD)
# Set pin as input
GPIO.setup(self.GPIO_PIR, GPIO.IN)
self.out.msg('Setting pin %s for PIR sensor' % self.GPIO_PIR, DEBUG)
# Set up pin for LED
if self.GPIO_LED:
GPIO.setup(self.GPIO_LED, GPIO.OUT)
self.out.msg('Setting pin %s for LED diode' % self.GPIO_LED, DEBUG)
self.blink(4)
def led_enable(self):
if self.GPIO_LED:
GPIO.output(self.GPIO_LED, True)
self.out.msg('Enabling LED diode at pin %s' % self.GPIO_LED, DEBUG)
def led_disable(self):
if self.GPIO_LED:
GPIO.output(self.GPIO_LED, False)
self.out.msg('Disabling LED diode at pin %s' % self.GPIO_LED, DEBUG)
def blink(self, number):
for i in range(0,number):
self.led_enable()
time.sleep(0.1)
self.led_disable()
time.sleep(0.1)
def movement(self):
self.start_time = time.time()
self.led_enable()
if self.cam:
self.cam.start_recording()
def quiet(self):
if self.cam:
self.cam.stop_recording()
self.led_disable()
self.out.msg('Detected movement for %s seconds' % (time.time() - self.start_time), DEBUG)
def settledown(self):
self.out.msg('Waiting for PIR to settle...', DEBUG)
# Loop until PIR output is 0
while GPIO.input(self.GPIO_PIR)==1:
self.currState = 0
self.out.msg('... Ready', DEBUG)
def sense(self):
try:
if self.cfg.getboolean('global', 'pin_pir_settle'):
self.settledown()
while True:
time.sleep(0.1)
self.prevState = self.currState
self.currState = GPIO.input(self.GPIO_PIR)
if self.currState != self.prevState:
newState = "HIGH" if self.currState else "LOW"
self.out.msg("GPIO pin %s is %s" % (self.GPIO_PIR, newState), DEBUG)
if self.currState:
self.movement()
else:
self.quiet()
except KeyboardInterrupt:
self.out.msg("Keyboard Interrupted...", INFO)
# Reset GPIO settings
GPIO.cleanup()