import RPi.GPIO as io
import cv2
cap=cv2.VideoCapture(0)
cv2.namedWindow("B & W")
io.setmode(io.BOARD)
io.setup(11,io.OUT)
io.setup(12,io.OUT)
def tap():
io.output(12,io.LOW)
io.output(11,io.HIGH)
cv2.waitKey(150)
io.output(11,io.LOW)
io.output(12,io.HIGH)
k=cv2.waitKey(50)
io.output(12,io.LOW)
while cap.isOpened():
ret,frame=cap.read()
#bw=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
roi=frame[300:317,237:262]
bw = cv2.cvtColor(roi,cv2.COLOR_BGR2GRAY)
ret,bw=cv2.threshold(bw,170,255,cv2.THRESH_BINARY)
k=0
for i in range(0,17):
for j in range(0,25):
if(bw.item(i,j)==255):
k=k+1
print k
#cv2.imshow("Frame",frame)
#cv2.imshow("B & W",bw)
if k<420:
print("tap")
tap()
ret,frame=cap.read()
ret,frame=cap.read()
ret,frame=cap.read()
if cv2.waitKey(1) & 0xFF==27:
break
cap.release()
cv2.destroyAllWindows()
while False:
io.output(12,io.LOW)
io.output(11,io.HIGH)
k=cv2.waitKey(50)
if k==27:
break
io.output(11,io.LOW)
io.output(12,io.HIGH)
k=cv2.waitKey(50)
if k==27:
break
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