camera_feedback.py

import time
import os
import Adafruit_Nokia_LCD as LCD
import Adafruit_GPIO.SPI as SPI
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
from gpiozero import LED,Button
from picamera import PiCamera

yellow = LED(16)
button = Button(15)

# Raspberry Pi hardware SPI config:
DC = 23
RST = 24
SPI_PORT = 0
SPI_DEVICE = 0


# Hardware SPI usage:
disp = LCD.PCD8544(DC, RST, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=4000000))

# Software SPI usage (defaults to bit-bang SPI interface):
#disp = LCD.PCD8544(DC, RST, SCLK, DIN, CS)

# Initialize library.
disp.begin(contrast=35)

# Clear display.
disp.clear()
disp.display()

# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
image = Image.new('1', (LCD.LCDWIDTH, LCD.LCDHEIGHT))

# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)

# Draw a white filled box to clear the image.
draw.rectangle((0,0,LCD.LCDWIDTH,LCD.LCDHEIGHT), outline=255, fill=255)

# Load default font.
font = ImageFont.load_default()

draw.text((3,0), 'Pi Motion', font=font)
draw.text((3,10), 'Camera', font=font)
draw.text((3,20), 'Spencer Organ', font=font)
disp.image(image)
disp.display()
time.sleep(1)
draw.rectangle((0,0,LCD.LCDWIDTH,LCD.LCDHEIGHT), outline=255, fill=255)
draw.text((3,0), 'Camera ready', font=font)
disp.image(image)
disp.display()
print ("Starting camera code")
startup = time.strftime('%X')

with PiCamera() as camera:
        #camera.start_preview()
        path, dirs, files = os.walk('/home/pi/photo_output').next()
	file_count = len(files)
	print (file_count)
	frame = 1 + file_count
        while True:
                button.wait_for_press()
                yellow.source = button.values
                draw.rectangle((0,0,LCD.LCDWIDTH,LCD.LCDHEIGHT), outline=255, fill=255)
		#disp.image(image)
                disp.display()
		draw.text((3,0),'Taking ....', font=font)
		disp.image(image)
                disp.display()
		print ("About to capture photo")
                camera.capture('/home/pi/photo_output/frame%03d.jpg' % frame)
                print (frame)
		draw.text((3,10),'Frames taken:', font=font)
		draw.text((10,20), str(frame), font=font)
                draw.text((0,30), str(startup), font=font)
		disp.image(image)
		disp.display()
		frame +=1