質問編集履歴
2
自己解決の部分を追記しました
test
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test
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@@ -357,3 +357,67 @@
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Visual Studio2013
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KI-VISA
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### 自己解決方法
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読み照らしながらC++で電圧値をプログラムから通信で変更することができました。
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そのソースです。
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#include "stdafx.h"
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//タイプライブラリの作成
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int _tmain(int argc, _TCHAR* argv[])
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{
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IMessagePtr spMsg; //スマート・ポインタ IMessagePtr型でCOMインターフェースを宣言、呼び出しを自動化している
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CoInitializeEx(NULL, COINIT_MULTITHREADED); //COMを使うための宣言
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HRESULT hr;
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IResourceManager3Ptr spRM;
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390
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hr = spRM.CreateInstance(CLSID_ResourceManager); //CreateInstance()メソッドを使ってリソース・マネージャを作成
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spMsg = spRM->Open(L"TCPIP::192.168.11.2::inst0::INSTR", NO_LOCK, 0, L""); //インターフェースの参照
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398
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SAFEARRAY* pSA = NULL;
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400
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401
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pSA = spRM->FindRsrc(L"TCPIP?* INSTR");
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int r;
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r = spMsg->WriteString(L"OUTP 0 \n");
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408
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r = spMsg->WriteString(L"VOLT 10.0 \n");
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r = spMsg->WriteString(L"CURR 5.0 \n");
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r = spMsg->WriteString(L"OUTP 1 \n");
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spMsg->Close(); //閉じる
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return 0;
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}
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1
新しくプログラムを書きました
test
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test
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@@ -262,9 +262,93 @@
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```
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-
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```C++
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-
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#import "C:\Program Files\IVI Foundation\VISA\VisaCom64\GlobMgr.DLL" no_namespace named_guids
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-
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IMessagePtr spMsg;
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IMessage* pMsg = NULL;
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HRESULT hr;
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IResourceManager3Ptr spRM;
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hr = spRM.CreateInstance(CLSID_ResourceManager);
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IMessagePtr spMsg；
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spMsg = spRM->Open(L"TCPIP::192.168.11.2::inst0::INSTR", NO_LOCK, 0, L"");
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SAFEARRAY* pSA = NULL;
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try {
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pSA = spRM->FindRsrc(L"?*INSTR");
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r = spmsg->WriteString(L"CURR 20.0\n");
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r = spmsg->WriteString(L"VOLT 5.5\n");
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}
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catch (_com_error e) {
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//エラー・コードとメッセージは_com_error クラスのメンバー関数から取得できる
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HRESULT hr = e.Error();
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_bstr_t strDescription = e.Description();
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}
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if (pSA) {
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BSTR* rgElems = NULL;
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::SafeArrayAccessData(pSA, (PVOID*)&rgElems);
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ASSERT(rgElems);
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LONG lLBound, lUBound;
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327
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::SafeArrayGetLBound(pSA, 1, &lLBound);
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::SafeArrayGetUBound(pSA, 1, &lUBound);
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for (long lNdx = lLBound; lNdx <= lUBound; lNdx++) {
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_bstr_t strFound = rgElems[lNdx];
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}
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336
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337
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::SafeArrayUnaccessData(pSA);
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338
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339
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::SafeArrayDestroyData(pSA);
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340
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341
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}
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342
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343
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345
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347
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spMsg->Close();
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350
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351
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+
```
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352
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354
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