带OWFS的Raspberry Pi，带DS2482800板的8个DS18B20传感器，运行真正的s

Question

我正在使用一个DS2482-800芯片和64个DS18B20温度传感器在装有OWFS的Raspberry Pi3上工作。我知道每个传感器应该每750毫秒刷新一次，我在其他论坛上也去过，据我所知，我所拥有的简单代码与现在的运行方式相比，应该可以运行得相当快。我移除了DS2482上连接到OW0的8个传感器。据我所知，这应该能够循环虽然在7-10秒，但它需要30-40秒。我尝试过多线程，并尝试让OWFS并行运行，而不是按顺序运行，但我一直在努力。任何帮助都将不胜感激。在

结果：33.83175621025 20.9375 20.7575 20.8125 20.625 20.3755 20.6875 20.687521

import os
import time
while ( True ): 
    T1 = time.time()
    tempfile1 = open("/mnt/1wire/28.36624D0A0000/temperature")
    thetext1 = tempfile1.read()
    tempfile1.close()
    #print(thetext1)

    tempfile2 = open("/mnt/1wire/28.CD624D0A0000/temperature")
    thetext2 = tempfile2.read()
    tempfile2.close()
    #print(thetext2)

    tempfile3 = open("/mnt/1wire/28.BC564D0A0000/temperature")
    thetext3 = tempfile3.read()
    tempfile3.close()
    #print(thetext3)

    tempfile4 = open("/mnt/1wire/28.46594D0A0000/temperature")
    thetext4 = tempfile4.read()
    tempfile4.close()
    #print(thetext4)

    tempfile5 = open("/mnt/1wire/28.FA654D0A0000/temperature")
    thetext5 = tempfile5.read()
    tempfile5.close()
    #print(thetext5)

    tempfile6 = open("/mnt/1wire/28.613F4D0A0000/temperature")
    thetext6 = tempfile6.read()
    tempfile6.close()
    #print(thetext6)

    tempfile7 = open("/mnt/1wire/28.613F4D0A0000/temperature")
    thetext7 = tempfile7.read()
    tempfile7.close()
    #print(thetext7)

    tempfile8 = open("/mnt/1wire/28.9E534D0A0000/temperature")
    thetext8 = tempfile8.read()
    tempfile8.close()


    T0 = time.time()

    deltatime = T0 - T1

    print deltatime, thetext1, thetext2, thetext3, thetext4, thetext5, 
    print thetext6,thetext7, thetext8
    print "-----------------------------------------------------------------"