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gesture.py
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gesture.py
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from apds9960.const import *
from apds9960 import APDS9960
from picamera import PiCamera
from datetime import datetime
import RPi.GPIO as GPIO
import smbus
import time
from time import sleep
port = 1
bus = smbus.SMBus(port)
apds = APDS9960(bus)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(7, GPIO.IN)
GPIO.setup(38, GPIO.OUT)
camera = PiCamera()
cameraFlag = 0
#define callbacks
def intH(channel):
print("take picture")
#def cameraFlash(channel):
# print("make flash")
# GPIO.output(38,GPIO.HIGH)
try:
#interrupt event-driven
GPIO.add_event_detect(7, GPIO.FALLING, callback = intH)
apds.setProximityIntLowThreshold(50)
print("Proximity Sensor test")
print("========")
apds.enableProximitySensor()
oval=-1
while True:
sleep(0.25)
val = apds.readProximity()
if val != oval:
print("proximity={}".format(val))
if val > 60 and cameraFlag==0:
print("val> 60, now to activate camera")
GPIO.output(38,GPIO.HIGH)
sleep(4)
camera.capture('/home/pi/Desktop/webapp/static/latest.jpg')
print("picture taken")
cameraFlag =1
elif val < 60:
cameraFlag =0
print("refrigerator is idling")
GPIO.output(38,GPIO.LOW)
oval =val
finally:
GPIO.cleanup()
camera.close()
print("Bye")