@ -53,6 +53,21 @@ LOGMODULE ("mididevice");
# define MIDI_PROGRAM_CHANGE 0b1100
# define MIDI_PITCH_BEND 0b1110
// MIDI "System" level (i.e. all TG) custom CC maps
// Note: Even if number of TGs is not 8, there are only 8
// available to be used in the mappings here.
# define NUM_MIDI_CC_MAPS 8
const unsigned MIDISystemCCMap [ NUM_MIDI_CC_MAPS ] [ 8 ] = {
{ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 } , // 0 = disabled
{ 16 , 17 , 18 , 19 , 80 , 81 , 82 , 83 } , // 1 = General Purpose Controllers 1-8
{ 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 } ,
{ 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 } ,
{ 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 } ,
{ 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 } ,
{ 3 , 9 , 14 , 15 , 28 , 29 , 30 , 31 } ,
{ 35 , 41 , 46 , 47 , 60 , 61 , 62 , 63 }
} ;
# define MIDI_SYSTEM_EXCLUSIVE_BEGIN 0xF0
# define MIDI_SYSTEM_EXCLUSIVE_END 0xF7
# define MIDI_TIMING_CLOCK 0xF8
@ -69,6 +84,34 @@ CMIDIDevice::CMIDIDevice (CMiniDexed *pSynthesizer, CConfig *pConfig, CUserInter
{
m_ChannelMap [ nTG ] = Disabled ;
}
m_nMIDISystemCCVol = m_pConfig - > GetMIDISystemCCVol ( ) ;
m_nMIDISystemCCPan = m_pConfig - > GetMIDISystemCCPan ( ) ;
m_nMIDISystemCCDetune = m_pConfig - > GetMIDISystemCCDetune ( ) ;
m_MIDISystemCCBitmap [ 0 ] = 0 ;
m_MIDISystemCCBitmap [ 1 ] = 0 ;
m_MIDISystemCCBitmap [ 2 ] = 0 ;
m_MIDISystemCCBitmap [ 3 ] = 0 ;
for ( int tg = 0 ; tg < 8 ; tg + + )
{
if ( m_nMIDISystemCCVol ! = 0 ) {
u8 cc = MIDISystemCCMap [ m_nMIDISystemCCVol ] [ tg ] ;
m_MIDISystemCCBitmap [ cc > > 5 ] | = ( 1 < < ( cc % 32 ) ) ;
}
if ( m_nMIDISystemCCPan ! = 0 ) {
u8 cc = MIDISystemCCMap [ m_nMIDISystemCCPan ] [ tg ] ;
m_MIDISystemCCBitmap [ cc > > 5 ] | = ( 1 < < ( cc % 32 ) ) ;
}
if ( m_nMIDISystemCCDetune ! = 0 ) {
u8 cc = MIDISystemCCMap [ m_nMIDISystemCCDetune ] [ tg ] ;
m_MIDISystemCCBitmap [ cc > > 5 ] | = ( 1 < < ( cc % 32 ) ) ;
}
}
if ( m_pConfig - > GetMIDIDumpEnabled ( ) ) {
LOGNOTE ( " MIDI System CC Map: %08X %08X %08X %08X " , m_MIDISystemCCBitmap [ 3 ] , m_MIDISystemCCBitmap [ 2 ] , m_MIDISystemCCBitmap [ 1 ] , m_MIDISystemCCBitmap [ 0 ] ) ;
}
}
CMIDIDevice : : ~ CMIDIDevice ( void )
@ -239,7 +282,9 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
}
// Process MIDI for each active Tone Generator
for ( unsigned nTG = 0 ; nTG < m_pConfig - > GetToneGenerators ( ) ; nTG + + )
bool bSystemCCHandled = false ;
bool bSystemCCChecked = false ;
for ( unsigned nTG = 0 ; nTG < m_pConfig - > GetToneGenerators ( ) & & ! bSystemCCHandled ; nTG + + )
{
if ( ucStatus = = MIDI_SYSTEM_EXCLUSIVE_BEGIN )
{
@ -373,6 +418,17 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
m_pSynthesizer - > notesOff ( pMessage [ 2 ] , nTG ) ;
}
break ;
default :
// Check for system-level, cross-TG MIDI Controls, but only do it once.
// Also, if successfully handled, then no need to process other TGs,
// so it is possible to break out of the main TG loop too.
// Note: We handle this here so we get the TG MIDI channel checking.
if ( ! bSystemCCChecked ) {
bSystemCCHandled = HandleMIDISystemCC ( pMessage [ 1 ] , pMessage [ 2 ] ) ;
bSystemCCChecked = true ;
}
break ;
}
break ;
@ -418,6 +474,52 @@ void CMIDIDevice::AddDevice (const char *pDeviceName)
s_DeviceMap . insert ( std : : pair < std : : string , CMIDIDevice * > ( pDeviceName , this ) ) ;
}
bool CMIDIDevice : : HandleMIDISystemCC ( const u8 ucCC , const u8 ucCCval )
{
// This only makes sense when there are at least 8 TGs.
// Note: If more than 8 TGs then only 8 TGs are controllable this way.
if ( m_pConfig - > GetToneGenerators ( ) < 8 ) {
return false ;
}
// Quickly reject any CCs not in the configured maps
if ( ( m_MIDISystemCCBitmap [ ucCC > > 5 ] & ( 1 < < ( ucCC % 32 ) ) ) = = 0 ) {
// Not in the map
return false ;
}
// Not looking for duplicate CCs so return once handled
for ( unsigned tg = 0 ; tg < 8 ; tg + + ) {
if ( m_nMIDISystemCCVol ! = 0 ) {
if ( ucCC = = MIDISystemCCMap [ m_nMIDISystemCCVol ] [ tg ] ) {
m_pSynthesizer - > SetVolume ( ucCCval , tg ) ;
return true ;
}
}
if ( m_nMIDISystemCCPan ! = 0 ) {
if ( ucCC = = MIDISystemCCMap [ m_nMIDISystemCCPan ] [ tg ] ) {
m_pSynthesizer - > SetPan ( ucCCval , tg ) ;
return true ;
}
}
if ( m_nMIDISystemCCDetune ! = 0 ) {
if ( ucCC = = MIDISystemCCMap [ m_nMIDISystemCCDetune ] [ tg ] ) {
if ( ucCCval = = 0 )
{
m_pSynthesizer - > SetMasterTune ( 0 , tg ) ;
}
else
{
m_pSynthesizer - > SetMasterTune ( maplong ( ucCCval , 1 , 127 , - 99 , 99 ) , tg ) ;
}
return true ;
}
}
}
return false ;
}
void CMIDIDevice : : HandleSystemExclusive ( const uint8_t * pMessage , const size_t nLength , const unsigned nCable , const uint8_t nTG )
{
int16_t sysex_return ;