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2025-03-17 11:46:25 +08:00
commit d731356b00
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+#region 程序集 KeysightDMM3458A.Interop, Version=1.0.8622.37453, Culture=neutral, PublicKeyToken=null
+// C:\Users\testrong\Desktop\EXT_CAL\SW1.2_55_calibration_RZ_0810\selfCalibration\Testrong.User.Program\Debug\KeysightDMM3458A.Interop.dll
+// Decompiled with ICSharpCode.Decompiler 7.1.0.6543
+#endregion
+
+using System;
+using System.Text;
+using System.Threading;
+using Testrong.User.Program;
+
+namespace Testrong.User.Program
+{
+    public class KeysightDMM3458A
+    {
+        public class Globals
+        {
+            public static int videfaultRM;
+
+            public static int vi;
+
+            public static int errorStatus;
+
+            public static bool connected;
+        }
+
+        public enum KeysightMeasMode
+        {
+            VOLT,
+            CURR,
+            RES,
+            INIT
+        }
+
+        KeysightMeasMode PresentMode;
+        double PresentRange;
+
+        public bool InitDMM(string address)
+        {
+            try
+            {
+                string text = address.ToUpper();
+                if (text.Length < 5)
+                {
+                    Globals.connected = false;
+                    return false;
+                }
+
+                if (Globals.connected)
+                {
+                    Globals.errorStatus = visa32.viClose(Globals.vi);
+                }
+
+                Globals.errorStatus = visa32.viOpenDefaultRM(out Globals.videfaultRM);
+                Globals.errorStatus = visa32.viOpen(Globals.videfaultRM, text, 0, 0, out Globals.vi);
+                if (Globals.errorStatus < 0)
+                {
+                    Globals.connected = false;
+                    return false;
+                }
+
+                Globals.errorStatus = visa32.viSetAttribute(Globals.vi, 1073676312, 13);
+                Globals.errorStatus = visa32.viSetAttribute(Globals.vi, 1073676344, 1);
+                Globals.errorStatus = visa32.viSetAttribute(Globals.vi, 1073676314, 2000);
+                SendCmd("ID?");
+                if (GetData().IndexOf("3458A") < 0)
+                {
+                    Globals.connected = false;
+                    return false;
+                }
+
+                Globals.connected = true;
+                PresentMode = KeysightMeasMode.INIT;
+                PresentRange = 0;
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
+
+        public double GetDmmMeasureData(KeysightMeasMode funcMode, int count = 1, double range = 0)
+        {
+            if (!Globals.connected)
+            {
+                return 0.0;
+            }
+
+            if (!Setup(count, funcMode, range))
+            {
+                return 0.0;
+            }
+
+            return ReturnReadings(funcMode, range);
+        }
+
+        bool GlobalSetup = false;
+
+        private bool Setup(int count, KeysightMeasMode funcMode, double range)
+        {
+            try
+            {
+                if (GlobalSetup == false || PresentMode != funcMode || PresentRange != range)
+                {
+                    string text = "PRESET NORM;";
+                    text = text + "NRDGS" + count + ",AUTO;";
+                    text += "MEM LIFO;";
+                    text += "MFORMAT DREAL;";
+                    text += "OFORMAT ASCII;";
+                    text += "MATH STAT;";
+                    text += "AZERO OFF;";
+                    text += "ARANGE ONCE;";
+                    switch (funcMode)
+                    {
+                        case KeysightMeasMode.VOLT:
+                            {
+                                text += $"DCV {range:F8};";
+                            }
+                            break;
+                        case KeysightMeasMode.CURR:
+                            {
+                                text += $"DCI {range:F8};";
+                            }
+                            break;
+                        case KeysightMeasMode.RES:
+                            {
+                                text += $"OHM {range:F8};";
+                            }
+                            break;
+                        default:
+                            {
+                                return false;
+                            }
+                    }
+                    text += "NPLC 20;";
+                    //text += "NPLC 0.05;";
+                    text += "TARM AUTO;";
+                    text += "TRIG AUTO;";
+                    text += "BEEP OFF;";
+                    text += "DISP OFF;";
+                    GlobalSetup = true;
+                    PresentMode = funcMode;
+                    PresentRange = range;
+                    return SendCmd(text);
+                }
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+            return true;
+        }
+        private double ReturnReadings(KeysightMeasMode funcMode, double range = 0)
+        {
+            string text = "";
+            try
+            {
+                Globals.errorStatus = visa32.viSetAttribute(Globals.vi, 1073676314, 2000);                 
+                Globals.errorStatus = visa32.viScanf(Globals.vi, "%lf", out double arg);//get dmm vaue
+                return arg;
+
+            }
+            catch (Exception)
+            {
+                return 0.0;
+            }
+        }
+
+        private bool SendCmd(string Cmds)
+        {
+            try
+            {
+                Globals.errorStatus = visa32.viPrintf(Globals.vi, Cmds + "\n");
+                //Thread.Sleep(5000);
+                if (Globals.errorStatus < 0)
+                {
+                    return false;
+                }
+
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
+
+        private string GetData()
+        {
+            StringBuilder stringBuilder = new StringBuilder(2048);
+            try
+            {
+                Globals.errorStatus = visa32.viScanf(Globals.vi, "%2048t", stringBuilder);
+                if (Globals.errorStatus < 0)
+                {
+                    return null;
+                }
+
+                return stringBuilder.ToString().Remove(stringBuilder.ToString().Length - 1, 1);
+            }
+            catch (Exception)
+            {
+                return null;
+            }
+        }
+    }
+}
+#if false // 反编译日志
+缓存中的 23 项
+------------------
+解析: "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
+找到单个程序集: "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
+从以下位置加载: "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.7.2\mscorlib.dll"
+#endif