Question

我通过Simulink将双数据类型的UDP数据包发送到RaspberryPi。我想用以下代码解码UDP数据包：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Web;

namespace CARICAD_App.Models
{
    public class repeatViewModel
    {
        [Display(Name = "textinput")]
        public string textinput { get; set; }





    }

    public class CON_consultantInfoVM
    {

        [DisplayName("Age Range")]
        public Nullable<int> ageRange { get; set; }
        public int id { get; set; }
        [DisplayName("Image")]
        public string image { get; set; }
        [DisplayName("Consultant ID")]
        public string consultID { get; set; }
        [DisplayName("First Name")]
        [Required]
        public string firstName { get; set; }

...
        public REF_country REF_country { get; set; }
        public REF_nationality REF_nationality { get; set; }

        public List<actVm> act { get; set; }
    }

    public class actVm
    {
        public Nullable<int> id { get; set; }
        public string consultID { get; set; }
        public string textinput { get; set; }
        public string untypedinput { get; set; }

        public string dateinput { get; set; }
        public string textareainput { get; set; }
        public string radioinput { get; set; }

        public string selectinput { get; set; }
        public string activities { get; set; }
        public string hisotryInput { get; set; }
        public string historydateinput { get; set; }
        public string hisotrydescrip { get; set; }
        public string historydateinputTo { get; set; }
        public string historyLead { get; set; }
        public bool historyCo { get; set; }
        public List<string> multipleselectinput { get; set; }
    }
}

我收到以下错误：

import struct
import socket

sock = socket.socket(socket.AF_INET,socket.SOCK_GRAM)

sock.bind(("",5002))

data,addr= sock.recvfrom(1024)
struct.unpack('d','data')
print data

提前感谢您的帮助！

Answer 1

您必须检查要发送的是大字节序还是小字节序。您可以为小端数据添加“ <”，为大端数据添加“>”。取决于您要接收多少变量，“ d”的数量也应增加。假设您收到2 struct.unpack（'<'+'d'，'data'）

如何解压缩从Simulink收到的UDP数据包（双打）

1 个答案: