Teledyne LeCroy USB Analyzer Automation Manual - Manual (Page 23)

Teledyne LeCroy Automation API Reference Manual for USBTracer, USB Advisor, and Voyager USB Protocol
Suite
23
C++: (Raw code without using type library. All error handling is omitted for simplicity)
IUsbAnalyzer* pAnalyzer = NULL;
// Create UsbAnalyzer object.
if ( FAILED( CoCreateInstance( CLSID_UsbAdvisor, NULL, CLSCTX_SERVER,
IID_IUsbAnalyzer, (LPVOID *)&pAnalyzer ) )
return;
BSTR ro_file_name = SysAllocString( L"test_ro.rec" );
BSTR bstr_trace_name;
IDispatch* trace = NULL;
for( int i = 0; i < 4; i++ )
{
if( FAILED( pAnalyzer ->StartRecording( ro_file_name ) )
return; // Error handling and resources releasing should be done.
// Fake generation.
Sleep(3000);
if( FAILED( Analyzer->StopRecordingAndWaitForTrace( &trace ) ) )
return; // Error handling and resources releasing should be done.
IUsbTrace2* usbTrace = NULL;
// Query for IUsbTrace2 interface.
if( FAILED( trace->QueryInterface( IID_IUsbTrace2, (LPVOID*)usbTrace ) ) )
return; // Error handling and resources releasing should be done.
OLECHAR trace_name[_MAX_PATH];
swprintf ( trace_name, "test_data%u.usb", i );
SysAllocString( bstr_trace_name );
// Save the trace recorded to the current folder
usbTrace->Save( bstr_trace_name );
// Release the trace object.
trace->Release();
usbTrace->Release();
SysFreeString( bstr_trace_name ); // Free BSTR.
}
pAnalyzer->Release(); // Release the analyzer object.
SysFreeString( ro_file_name ); // Free BSTR.