// ****************************************************************************//// CIndigoDspCommObject.cpp//// Implementation file for EchoGals generic driver Indigo DSP// interface class.//// ----------------------------------------------------------------------------//// This file is part of Echo Digital Audio's generic driver library.// Copyright Echo Digital Audio Corporation (c) 1998 - 2005// All rights reserved// www.echoaudio.com//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Lesser General Public// License as published by the Free Software Foundation; either// version 2.1 of the License, or (at your option) any later version.//// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU// Lesser General Public License for more details.//// You should have received a copy of the GNU Lesser General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA//// ****************************************************************************#include "CEchoGals.h"#include "CIndigoDspCommObject.h"#ifdef ECHO_WDM#pragma optimize("",off)#endif#include "IndigoDSP.c"//// Construction/destruction//CIndigoDspCommObject::CIndigoDspCommObject(PDWORD pdwRegBase, // Virtual ptr to DSP registersPCOsSupport pOsSupport) : CDspCommObjectVmixer( pdwRegBase, pOsSupport ){strcpy( m_szCardName, "Indigo" );m_pdwDspRegBase = pdwRegBase; // Virtual addr DSP's register basem_wNumPipesOut = 8;m_wNumPipesIn = 2;m_wNumBussesOut = 2;m_wNumBussesIn = m_wNumPipesIn;m_wFirstDigitalBusOut = m_wNumBussesOut;m_wFirstDigitalBusIn = m_wNumBussesIn;m_fHasVmixer = TRUE;m_wNumMidiOut = 0; // # MIDI out channelsm_wNumMidiIn = 0; // # MIDI in channelsm_pDspCommPage->dwSampleRate = SWAP( (DWORD) 48000 );m_bHasASIC = FALSE;m_pwDspCodeToLoad = pwIndigoDSP;m_byDigitalMode = DIGITAL_MODE_NONE;//// Since this card has no ASIC, mark it as loaded so everything works OK//m_bASICLoaded = TRUE;} // CIndigoDspCommObject::CIndigoDspCommObject( DWORD dwPhysRegBase )CIndigoDspCommObject::~CIndigoDspCommObject(){} // CIndigoDspCommObject::~CIndigoDspCommObject()//// Save new clock settings and send to DSP.//ECHOSTATUS CIndigoDspCommObject::SetInputClock(WORD wClock){ECHO_DEBUGPRINTF( ("CIndigoDspCommObject::SetInputClock:\n") );return ECHOSTATUS_CLOCK_NOT_SUPPORTED;} // ECHOSTATUS CIndigoDspCommObject::SetInputClock//===========================================================================//// SetSampleRate//// Set the audio sample rate for Indigo////===========================================================================DWORD CIndigoDspCommObject::SetSampleRate( DWORD dwNewSampleRate ){//// Set the sample rate//DWORD dwControlReg = MIA_48000;switch ( dwNewSampleRate ){case 96000 :dwControlReg = MIA_96000;break;case 88200 :dwControlReg = MIA_88200;break;case 44100 :dwControlReg = MIA_44100;break;case 32000 :dwControlReg = MIA_32000;break;}//// Set the control register if it has changed//if (dwControlReg != GetControlRegister()){if ( !WaitForHandshake() )return 0xffffffff;//// Set the values in the comm page; the dwSampleRate// field isn't used by the DSP, but is read by the call// to GetSampleRate below//m_pDspCommPage->dwSampleRate = SWAP( dwNewSampleRate );SetControlRegister( dwControlReg );//// Poke the DSP//ClearHandshake();SendVector( DSP_VC_UPDATE_CLOCKS );}return GetSampleRate();} // DWORD CIndigoDspCommObject::SetSampleRate( DWORD dwNewSampleRate )// **** CIndigoDspCommObject.cpp ****