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testCamera.py
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testCamera.py
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#!/usr/bin/env python
# History:
# 2017.11.29 Besler Created
#
# Description:
# Perform a test run of the Pi camera.
#
# Notes:
# - Be sure to the '-X' flag when sshing into your Pi.
# - Shamelessly taken from: https://www.pyimagesearch.com/2015/03/30/accessing-the-raspberry-pi-camera-with-opencv-and-python/
# Imports
from __future__ import print_function
import os
from picamera.array import PiRGBArray
from picamera import PiCamera
import time
import cv2
# Load configuration files
if len(os.sys.argv) == 2:
exec(open(os.sys.argv[1]).read(), globals())
else:
exec(open('pi.conf').read(), globals())
# initialize the camera and grab a reference to the raw camera capture
camera = PiCamera()
camera.resolution = (640, 480)
camera.framerate = 32
rawCapture = PiRGBArray(camera, size=(640, 480))
# allow the camera to warmup
time.sleep(0.1)
# capture frames from the camera
for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):
# grab the raw NumPy array representing the image, then initialize the timestamp
# and occupied/unoccupied text
image = frame.array
# show the frame
cv2.imshow("Frame", image)
key = cv2.waitKey(1) & 0xFF
# clear the stream in preparation for the next frame
rawCapture.truncate(0)
# if the `q` key was pressed, break from the loop
if key == ord("q"):
break