Welcome to Raspbot repository

# import the necessary packages
#import simple_barcode_detection
import cv2
import numpy as np
import pyzbar.pyzbar as pyzbar
from PIL import Image
import ipywidgets.widgets as widgets
 
import YB_Pcb_Car
car = YB_Pcb_Car.YB_Pcb_Car()
 
image_widget = widgets.Image(format='jpeg', width=320, height=240)
display(image_widget)

def detect_control(info):
    if info == "forward":
        car.Car_Run(60,60)         # advance
    elif info == "back":
        car.Car_Back(60,60)        #back
    elif info == "left":
        car.Car_Spin_Left(60,60)    #spin left
    elif info == "right":
        car.Car_Spin_Right(60,60)   #spin right
    elif info == "stop":              #stop
        car.Car_Stop()

def decodeDisplay(image):
    barcodes = pyzbar.decode(image)
    for barcode in barcodes:
        (x, y, w, h) = barcode.rect
        cv2.rectangle(image, (x, y), (x + w, y + h), (225, 225, 225), 2)
        barcodeData = barcode.data.decode("utf-8")
        barcodeType = barcode.type
        text = "{} ({})".format(barcodeData, barcodeType)
        cv2.putText(image, text, (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (225, 225, 225), 2)
        
        print("[INFO] Found {} barcode: {}".format(barcodeType, barcodeData))
        detect_control(barcodeData)
    return image
 
def detect():
    camera = cv2.VideoCapture(0)
    camera.set(3, 320)
    camera.set(4, 240)
    camera.set(5, 30)  
    # fourcc = cv2.VideoWriter_fourcc(*"MPEG")
    camera.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter.fourcc('M', 'J', 'P', 'G'))
    camera.set(cv2.CAP_PROP_BRIGHTNESS, 40) 
    camera.set(cv2.CAP_PROP_CONTRAST, 50) 
    camera.set(cv2.CAP_PROP_EXPOSURE, 156) 
    ret, frame = camera.read()
    image_widget.value = bgr8_to_jpeg(frame)
    try:
        while True:
            ret, frame = camera.read()
            gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
            im = decodeDisplay(gray)
            image_widget.value = bgr8_to_jpeg(im)
            cv2.waitKey(5)
    except:
        camera.release()

detect()
car.Car_Stop() 
del car
print("Ending")