本文主要是介绍多线程仿三菱，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
from threading import Thread
import serial
from time import sleep
from threading import Thread
import cv2
port= serial.Serial(“COM1”,9600,parity=serial.PARITY_EVEN,stopbits= serial.STOPBITS_ONE,bytesize=7)
camera = cv2.VideoCapture(0)
img = None
datas = [0x02, 0x30, 0x30, 0x31, 0x31, 0x46, 0x30, 0x31, 0x03, 0x36, 0x43]
def Sum_Check(datas):
if (len(datas) ==0):
return False
sum = 0
for i in range(1,len(datas)-2):
sum+= datas[i]
sum %=256
sum_h = sum//16
sum_l = sum%16
sumcheck_H = 0
sumcheck_L = 0
if sum_h<10:
sumcheck_H = sum_h+0x30
else:
sumcheck_H = sum_h + 0x37
if sum_l<10:
sumcheck_L = sum_l +0x30
else:
sumcheck_L = sum_l + 0x37
if sumcheck_H != datas[len(datas)-2]:return Falseif sumcheck_L != datas[len(datas)-1]:return False
return True'''public static bool check(byte[] data){if (data.Length == 0) return false;if (data == null) return false;int sum = 0;for (int i = 1; i < data.Length - 2; i++){sum += data[i];}sum %= 256;int sum_H = sum / 16;int sum_L = sum % 16;int newsum_h = sum_H < 10 ? sum_H + 0x30 : sum_H + 0x37;int newsum_l = sum_L < 10 ? sum_L + 0x30 : sum_L + 0x37;if (newsum_h != data[data.Length - 2] || newsum_l != data[data.Length - 1]){return false;}return true;}
:return:
'''
def savepicture():
pass
def main():
if port.isOpen():
port.close()
port.open()
while True:
# print(Thread.name)
if (cv2.waitKey(10) & 0xff) ==ord(‘s’):
name = input("请输入端口号")if port.isOpen():port.close()port.name=nameport.open()port.write(datas)sleep(1)datas_Receive = port.read(6)str1 = ""for data in datas_Receive:str1+=" 0x"str1+= str(data)# str1 = " 0x".join(datas_Receive)isright = Sum_Check(datas_Receive)if isright:print("数据正确 " + str1)value_h = 0value_l = 0if datas_Receive[1]<0x39:value_h = datas_Receive[1]-0x30else:value_h = datas_Receive[1] - 0x37if datas_Receive[2]<0x39:value_l = datas_Receive[2]-0x30else:value_l = datas_Receive[2] - 0x37intreceive = value_h*16+value_lif(intreceive & 0x08)==0x08:print('开始气泡检测')cv2.imwrite("1.jpg",img)'''int value_h = data[1]<=0x39? data[1] - 0x30:data[1] -0x37;int value_l = data[2] <= 0x39 ? data[2] - 0x30 : data[2] - 0x37;return value_h * 16 + value_l;'''else:print("wrong")# print(str1)# print(datas_Receive)
if name == ‘main’:
thread1 =Thread(target=main)
thread1.start()
# thread1.join()
ret,frame = camera.read()
while True:ret,frame = camera.read()img = cv2.flip(frame,1)cv2.imshow("",img)cv2.waitKey(10)
# main()
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