using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;

using?System.IO.Ports;
using?System.Threading;

namespace?DPtest
{
????class?DPM88
????{
????????SerialPort?sp?=?new?SerialPort（）;
????????public?DPM88（）
????????{
????????????sp.DataBits?=?8;
????????????sp.Parity?=?Parity.None;
????????????sp.StopBits?=?StopBits.One;
????????????sp.ReadBufferSize?=?4096;
????????????sp.ReadTimeout?=?50;
????????????sp.ReceivedBytesThreshold?=?1;
????????}

????????int?waitTime?=?500;
????????public?bool?OpenDevice（int?baudrate）
????????{
????????????bool?ret?=?false;
????????????if?（sp.IsOpen）
????????????????sp.Close（）;
????????????string[]?spNames?=?SerialPort.GetPortNames（）;
????????????foreach?（var?v?in?spNames）
????????????{
????????????????try
????????????????{
????????????????????sp.PortName?=?v;
????????????????????sp.BaudRate?=?baudrate;
????????????????????sp.Open（）;

????????????????????sp.WriteLine（“*IDN?“）;
????????????????????long?tgTime?=?DateTime.Now.Ticks?+?10000?*?waitTime;
????????????????????while?（sp.BytesToRead?????????????????????????Thread.Sleep（1）;

????????????????????if?（sp.BytesToRead?>?0）
????????????????????{
????????????????????????sp.DiscardInBuffer（）;
????????????????????????ret?=?true;
????????????????????????sp.WriteLine（“SYST:REM“）;
????????????????????????break;
????????????????????}
????????????????}
????????????????catch?{?}
????????????}
????????????return?ret;
????????}
????????public?void?SetVoltage（double?voltage）
????????{
????????????string?str?=?voltage.ToString（“0.0000“）;
????????????sp.WriteLine（“VOLT?“?+?str）;
????????}
????????public?void?SetCurrent（double?current）
????????{
????????????string?str?=?current.ToString（“0.0000“）;
????????????sp.WriteLine（“CURR?“?+?str）;
????????}
????????public?double?GetSetVoltage（）
????????{
????????????double?vol?=?0;
????????????vol?=?GetDoubleCmd（“VOLT?“）;
????????????return?vol;
????????}
????????public?double?GetSetCurrent（）
????????{
????????????double?cur?=?0;
????????????cur?=?GetDoubleCmd（“CURR?“）;
????????????return?cur;
????????}
????????public?double?GetOutVoltage（）
????????{
????????????double?vol?=?0;
????????????vol?=?GetDoubleCmd（“MEAS:VOLT?“）;
????????????return?vol;
????????}
????????public?double?GetOutCurrent（）
????????{
????????????double?cur?=?0;
????????????cur?=?GetDoubleCmd（“MEAS:CURR?“）;
????????????return?cur;
????????}
????????private?double?GetDoubleCmd（string?cmd）
????????{
????????????double?ret?=?0;
????????????sp.WriteLine（cmd）;
????????????long?tgTime?=?DateTime.Now.Ticks?+?10000?*?waitTime;
????????????while?（sp.BytesToRead?????????????????Thread.Sleep（1）;

????????????if?（sp.BytesToRead?>?0）
????????????{
????????????????try
????????????????{
????????????????????string?str?=?sp.ReadLine（）;
????????????????????ret?=?Convert.ToDouble（str）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????11264??2016-10-21?20:33??SCPI\DigitalPower\bin\Debug\DigitalPower.exe

?????文件??????30208??2016-10-21?20:33??SCPI\DigitalPower\bin\Debug\DigitalPower.pdb

?????文件??????24216??2016-10-21?22:30??SCPI\DigitalPower\bin\Debug\DigitalPower.vshost.exe

?????文件????????490??2010-03-17?22:39??SCPI\DigitalPower\bin\Debug\DigitalPower.vshost.exe.manifest

?????文件???????3738??2016-10-21?19:24??SCPI\DigitalPower\DigitalPower.csproj

?????文件???????2398??2016-10-21?20:33??SCPI\DigitalPower\Form1.cs

?????文件???????6078??2016-10-21?20:33??SCPI\DigitalPower\Form1.Designer.cs

?????文件???????6016??2016-10-21?20:33??SCPI\DigitalPower\Form1.resx

?????文件????????865??2016-10-21?15:55??SCPI\DigitalPower\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6821??2016-10-21?20:33??SCPI\DigitalPower\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1388??2016-10-21?22:30??SCPI\DigitalPower\obj\Debug\DigitalPower.csproj.FileListAbsolute.txt

?????文件????????977??2016-10-21?20:33??SCPI\DigitalPower\obj\Debug\DigitalPower.csproj.GenerateResource.Cache

?????文件???????2211??2016-10-21?19:24??SCPI\DigitalPower\obj\Debug\DigitalPower.csprojResolveAssemblyReference.cache

?????文件??????11264??2016-10-21?20:33??SCPI\DigitalPower\obj\Debug\DigitalPower.exe

?????文件????????180??2016-10-21?20:33??SCPI\DigitalPower\obj\Debug\DigitalPower.Form1.resources

?????文件??????30208??2016-10-21?20:33??SCPI\DigitalPower\obj\Debug\DigitalPower.pdb

?????文件????????180??2016-10-21?19:24??SCPI\DigitalPower\obj\Debug\DigitalPower.Properties.Resources.resources

?????文件????????493??2016-10-21?15:55??SCPI\DigitalPower\Program.cs

?????文件???????1366??2016-10-21?15:55??SCPI\DigitalPower\Properties\AssemblyInfo.cs

?????文件???????2876??2016-10-21?15:55??SCPI\DigitalPower\Properties\Resources.Designer.cs

?????文件???????5612??2016-10-21?15:55??SCPI\DigitalPower\Properties\Resources.resx

?????文件???????1099??2016-10-21?15:55??SCPI\DigitalPower\Properties\Settings.Designer.cs

?????文件????????249??2016-10-21?15:55??SCPI\DigitalPower\Properties\Settings.settings

?????文件???????1005??2016-10-21?15:55??SCPI\DigitalPower.sln

????..A..H.?????33792??2016-10-21?22:43??SCPI\DigitalPower.v12.suo

?????文件??????13824??2016-10-21?21:10??DPtest\DPtest\bin\Debug\DPtest.exe

?????文件??????34304??2016-10-21?21:10??DPtest\DPtest\bin\Debug\DPtest.pdb

?????文件??????22704??2016-10-21?22:33??DPtest\DPtest\bin\Debug\DPtest.vshost.exe

?????文件????????490??2010-03-17?22:39??DPtest\DPtest\bin\Debug\DPtest.vshost.exe.manifest

?????文件???????4120??2016-10-21?21:08??DPtest\DPtest\DPM88.cs

............此處省略40個文件信息