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@ -19,28 +19,18 @@ |
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//
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#include "minidexed.h" |
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#include <circle/logger.h> |
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#include <circle/memory.h> |
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#include <circle/pwmsoundbasedevice.h> |
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#include <circle/i2ssoundbasedevice.h> |
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#include <circle/hdmisoundbasedevice.h> |
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#include <string.h> |
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#include <stdio.h> |
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#include <assert.h> |
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LOGMODULE ("minidexed"); |
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CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt, |
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CGPIOManager *pGPIOManager, CI2CMaster *pI2CMaster) |
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CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt, CGPIOManager *pGPIOManager) |
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: CDexedAdapter (CConfig::MaxNotes, pConfig->GetSampleRate ()), |
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#ifdef ARM_ALLOW_MULTI_CORE |
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CMultiCoreSupport (CMemorySystem::Get ()), |
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#endif |
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m_pConfig (pConfig), |
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m_UI (this, pGPIOManager, pConfig), |
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m_PCKeyboard (this), |
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m_SerialMIDI (this, pInterrupt, pConfig), |
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m_bUseSerial (false), |
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m_pSoundDevice (0), |
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m_GetChunkTimer ("GetChunk", |
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1000000U * pConfig->GetChunkSize ()/2 / pConfig->GetSampleRate ()), |
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m_bProfileEnabled (m_pConfig->GetProfileEnabled ()) |
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@ -50,38 +40,10 @@ CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt, |
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m_pMIDIKeyboard[i] = new CMIDIKeyboard (this, pConfig, i); |
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assert (m_pMIDIKeyboard[i]); |
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} |
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// select the sound device
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const char *pDeviceName = pConfig->GetSoundDevice (); |
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if (strcmp (pDeviceName, "i2s") == 0) |
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{ |
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LOGNOTE ("I2S mode"); |
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m_pSoundDevice = new CI2SSoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize (), false, |
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pI2CMaster, pConfig->GetDACI2CAddress ()); |
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} |
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else if (strcmp (pDeviceName, "hdmi") == 0) |
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{ |
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LOGNOTE ("HDMI mode"); |
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m_pSoundDevice = new CHDMISoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize ()); |
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} |
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else |
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{ |
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LOGNOTE ("PWM mode"); |
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m_pSoundDevice = new CPWMSoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize ()); |
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} |
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}; |
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bool CMiniDexed::Initialize (void) |
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{ |
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assert (m_pConfig); |
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assert (m_pSoundDevice); |
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if (!m_UI.Initialize ()) |
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{ |
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return false; |
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@ -101,37 +63,11 @@ bool CMiniDexed::Initialize (void) |
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ProgramChange (0); |
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setTranspose (24); |
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// setup and start the sound device
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if (!m_pSoundDevice->AllocateQueueFrames (m_pConfig->GetChunkSize ()/2)) |
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{ |
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LOGERR ("Cannot allocate sound queue"); |
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return false; |
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} |
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m_pSoundDevice->SetWriteFormat (SoundFormatSigned16, 1); // 16-bit Mono
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m_nQueueSizeFrames = m_pSoundDevice->GetQueueSizeFrames (); |
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m_pSoundDevice->Start (); |
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#ifdef ARM_ALLOW_MULTI_CORE |
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// start secondary cores
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if (!CMultiCoreSupport::Initialize ()) |
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{ |
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return false; |
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} |
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#endif |
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return true; |
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} |
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void CMiniDexed::Process (bool bPlugAndPlayUpdated) |
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{ |
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#ifndef ARM_ALLOW_MULTI_CORE |
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ProcessSound (); |
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#endif |
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for (unsigned i = 0; i < CConfig::MaxUSBMIDIDevices; i++) |
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{ |
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assert (m_pMIDIKeyboard[i]); |
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@ -153,21 +89,6 @@ void CMiniDexed::Process (bool bPlugAndPlayUpdated) |
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} |
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} |
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#ifdef ARM_ALLOW_MULTI_CORE |
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void CMiniDexed::Run (unsigned nCore) |
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{ |
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if (nCore == 1) |
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{ |
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while (1) |
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{ |
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ProcessSound (); |
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} |
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} |
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} |
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#endif |
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CSysExFileLoader *CMiniDexed::GetSysExFileLoader (void) |
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{ |
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return &m_SysExFileLoader; |
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@ -199,30 +120,159 @@ void CMiniDexed::ProgramChange (unsigned nProgram) |
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m_UI.ProgramChanged (nProgram); |
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} |
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void CMiniDexed::ProcessSound (void) |
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//// PWM //////////////////////////////////////////////////////////////////////
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CMiniDexedPWM::CMiniDexedPWM (CConfig *pConfig, CInterruptSystem *pInterrupt, |
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CGPIOManager *pGPIOManager) |
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: CMiniDexed (pConfig, pInterrupt, pGPIOManager), |
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CPWMSoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize ()) |
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{ |
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assert (m_pSoundDevice); |
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} |
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unsigned nFrames = m_nQueueSizeFrames - m_pSoundDevice->GetQueueFramesAvail (); |
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if (nFrames >= m_nQueueSizeFrames/2) |
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bool CMiniDexedPWM::Initialize (void) |
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{ |
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if (!CMiniDexed::Initialize ()) |
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{ |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Start (); |
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} |
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return false; |
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} |
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int16_t SampleBuffer[nFrames]; |
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getSamples (nFrames, SampleBuffer); |
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return Start (); |
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} |
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if ( m_pSoundDevice->Write (SampleBuffer, sizeof SampleBuffer) |
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!= (int) sizeof SampleBuffer) |
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{ |
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LOGERR ("Sound data dropped"); |
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} |
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unsigned CMiniDexedPWM::GetChunk (u32 *pBuffer, unsigned nChunkSize) |
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{ |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Start (); |
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} |
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unsigned nResult = nChunkSize; |
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int16_t SampleBuffer[nChunkSize/2]; |
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getSamples (nChunkSize/2, SampleBuffer); |
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for (unsigned i = 0; nChunkSize > 0; nChunkSize -= 2) // fill the whole buffer
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{ |
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s32 nSample = SampleBuffer[i++]; |
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nSample += 32768; |
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nSample *= GetRangeMax()/2; |
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nSample /= 32768; |
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if (m_bProfileEnabled) |
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*pBuffer++ = nSample; // 2 stereo channels
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*pBuffer++ = nSample; |
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} |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Stop (); |
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} |
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return nResult; |
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}; |
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//// I2S //////////////////////////////////////////////////////////////////////
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CMiniDexedI2S::CMiniDexedI2S (CConfig *pConfig, CInterruptSystem *pInterrupt, |
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CGPIOManager *pGPIOManager, CI2CMaster *pI2CMaster) |
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: CMiniDexed (pConfig, pInterrupt, pGPIOManager), |
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CI2SSoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize (), false, pI2CMaster, |
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pConfig->GetDACI2CAddress ()) |
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{ |
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} |
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bool CMiniDexedI2S::Initialize (void) |
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{ |
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if (!CMiniDexed::Initialize ()) |
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{ |
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return false; |
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} |
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return Start (); |
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} |
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unsigned CMiniDexedI2S::GetChunk (u32 *pBuffer, unsigned nChunkSize) |
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{ |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Start (); |
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} |
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unsigned nResult = nChunkSize; |
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int16_t SampleBuffer[nChunkSize/2]; |
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getSamples (nChunkSize/2, SampleBuffer); |
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for (unsigned i = 0; nChunkSize > 0; nChunkSize -= 2) // fill the whole buffer
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{ |
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s32 nSample = SampleBuffer[i++]; |
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nSample <<= 8; |
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*pBuffer++ = nSample; // 2 stereo channels
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*pBuffer++ = nSample; |
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} |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Stop (); |
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} |
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return nResult; |
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}; |
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//// HDMI /////////////////////////////////////////////////////////////////////
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CMiniDexedHDMI::CMiniDexedHDMI (CConfig *pConfig, CInterruptSystem *pInterrupt, |
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CGPIOManager *pGPIOManager) |
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: CMiniDexed (pConfig, pInterrupt, pGPIOManager), |
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CHDMISoundBaseDevice (pInterrupt, pConfig->GetSampleRate (), |
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pConfig->GetChunkSize ()) |
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{ |
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} |
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bool CMiniDexedHDMI::Initialize (void) |
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{ |
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if (!CMiniDexed::Initialize ()) |
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{ |
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return false; |
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} |
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return Start (); |
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} |
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unsigned CMiniDexedHDMI::GetChunk(u32 *pBuffer, unsigned nChunkSize) |
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{ |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Start (); |
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} |
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unsigned nResult = nChunkSize; |
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int16_t SampleBuffer[nChunkSize/2]; |
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getSamples (nChunkSize/2, SampleBuffer); |
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unsigned nFrame = 0; |
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for (unsigned i = 0; nChunkSize > 0; nChunkSize -= 2) // fill the whole buffer
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{ |
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s32 nSample = SampleBuffer[i++]; |
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nSample <<= 8; |
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nSample = ConvertIEC958Sample (nSample, nFrame); |
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if (++nFrame == IEC958_FRAMES_PER_BLOCK) |
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{ |
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m_GetChunkTimer.Stop (); |
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nFrame = 0; |
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} |
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*pBuffer++ = nSample; // 2 stereo channels
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*pBuffer++ = nSample; |
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} |
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} |
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if (m_bProfileEnabled) |
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{ |
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m_GetChunkTimer.Stop(); |
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} |
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return nResult; |
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}; |
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