task = bus.send_periodic(msg, 1.5) # 定期发送 if not isinstance(task, can.ModifiableCyclicTaskABC): # 断言task类型 print("此接口似乎不支持") task.stop() return time.sleep(5) # 持续时间 print("发送完成") print("更改运行任务的数据以99开头") msg.data[0] = 0x99 task.modify_data(msg...
创建CAN总线对象:使用can库中的Bus类创建一个CAN总线对象,以便与CAN总线进行通信。可以使用以下代码创建CAN总线对象: 创建CAN总线对象:使用can库中的Bus类创建一个CAN总线对象,以便与CAN总线进行通信。可以使用以下代码创建CAN总线对象: 设置错误帧过滤器:使用CAN总线对象的set_filters方法设置错误帧的过滤器,以便只接收...
importcaninterface=can.interface.Bus(channel='can0',interface='socketcan',bitrate=250000)interface.send(can.Message(arbitration_id=0x18FFFF00,data=[0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff]))interface.send_periodic(can.Message(arbitration_id=0x18FFFF00,data=[0xff,0xff,0xff,0xff,0xff,...
Trying to use send_periodic on a socketcan bus fails with the following error message: Traceback (most recent call last): File "./test.py", line 8, in <module> bus.send_periodic(msg, 0.01, 9) File "/usr/local/lib/python3.5/dist-packages/...
1、Python-CAN基本 python-can 库为 Python 提供控制器局域网支持,为不同的硬件设备提供通用抽象,以及一套用于在 CAN 总线上发送和接收消息的实用程序。 python-can 可以在任何 Python 运行的地方运行; 从 CAN 的高功率计算机到 USB 设备,再到运行 linux 的低功率设备,例如 BeagleBone 或 RaspberryPi。
Threads work in the same way. A CPU is giving you the illusion that it's doing multiple computations at the same time. It does that by spending a bit of time on each computation. It can do that because it has an execution context for each computation. Just like you can share a book...
结合使用一个线程和一个队列可以很容易的定义actor,例如: import time from queue import Queue from threading import Thread,Event class ActorExit(Exception): pass class Actor(): def __init__(self): self._mailbox = Queue() def send(self, msg): self._mailbox.put(msg) def recv(self): msg...
1import socket2ip_port = ('127.0.0.2',99)34sk =socket.socket()5sk.connect(ip_port)67sk.sendall(bytes('请求占领地球','utf8'))8server_reply = sk.recv(1024)9print(str(server_reply,'utf8'))10whileTrue:11user_input = input(">>:").strip()12sk.send(bytes(user_input,'utf8'))13...
ENHTAP是什么HTAP(Hybrid Transaction and Analytical Processing)数据库，也称混合型关系数据库，是能同时...
can be reused for other purposes. The file descriptor is returned. """ '''关闭套接字对象没有关闭底层的文件描述符。''' pass def fileno(self): # real signature unknown; restored from __doc__ """ fileno() -> integer Return the integer file descriptor of the socket. ...