后端业务

yanjinhui

2025-03-07 aeb32ca2cc420266734c782df01b27be617e6943

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Quartz;
using WIDESEAWCS_QuartzJob;
 
namespace WIDESEAWCS_Tasks
{
    [DisallowConcurrentExecution]
    public class SerialPortJob : JobBase, IJob
    {
        public enum CommandType
        {
            None = 0,
            Get = 1,
            Set = 2,
        }
        private static SerialPort serialPort;
        private static CommandType commandType = CommandType.None;
        private string commandGet = "824070241JNT\r";//读值
        private string commandSet = "824070241JNT,0005000,+0001000[+TOL],-0001000[-TOL]\r";//设值
        private string setOK = "ParseOK";
        private string getOK = "82407024103";
        private string getError = "82407024104";
        public Task Execute(IJobExecutionContext context)
        {
            try
            {
                if (serialPort == null) { serialPort = new SerialPort("COM3"); serialPort.DataReceived += SerialPort_DataReceived; }
                if (!serialPort.IsOpen)
                {
                    serialPort.Open();
 
 
 
                    serialPort.Write(commandSet);//打开串口时先设值
                    commandType = CommandType.Set;
                }
                switch (commandType)
                {
                    case CommandType.Get:
                        serialPort.Write(commandGet);
                        break;
                    case CommandType.Set:
                        serialPort.Write(commandSet);
                        break;
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return Task.CompletedTask;
        }
        private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            byte[] buffers = new byte[1024];
            while (serialPort.BytesToRead > 0)
            {
                serialPort.Read(buffers, 0, serialPort.BytesToRead > buffers.Length ? buffers.Length : serialPort.BytesToRead);
                string data = Encoding.Default.GetString(buffers);
                if (data.Contains(setOK) && commandType == CommandType.Set)
                {
                    commandType = CommandType.Get;
                }
                else if (data.Contains(getOK) && commandType == CommandType.Get)
                {
                    commandType = CommandType.Set;
 
 
                }
                else if (data.Contains(getError) && commandType == CommandType.Get)
                {
                    commandType = CommandType.Set;
 
 
                }
            }
        }
    }
}