101 lines
4.1 KiB
C++
101 lines
4.1 KiB
C++
#ifndef cwMidiPort_H
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#define cwMidiPort_H
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namespace cw
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{
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namespace midi
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{
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//( { file_desc:"Device independent MIDI port related code." kw:[midi]}
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// Flags used to identify input and output ports on MIDI devices
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enum
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{
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kInMpFl = 0x01,
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kOutMpFl = 0x02
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};
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typedef void (*cbFunc_t)( const packet_t* pktArray, unsigned pktCnt );
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//)
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//( { label:parser file_desc:"MIDI event parser converts raw MIDI events into packet_t messages." kw:[midi]}
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//===============================================================================================
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// MIDI Parser
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//
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namespace parser
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{
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typedef handle<struct parser_str> handle_t;
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// 'cbFunc' and 'cbDataPtr' are optional. If 'cbFunc' is not supplied in the call to
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// create() it may be supplied later by installCallback().
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// 'bufByteCnt' defines is the largest complete system-exclusive message the parser will
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// by able to transmit. System-exclusive messages larger than this will be broken into
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// multiple sequential callbacks.
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rc_t create( handle_t& hRef, unsigned devIdx, unsigned portIdx, cbFunc_t cbFunc, void* cbArg, unsigned bufByteCnt );
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rc_t destroy( handle_t& hRef );
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unsigned errorCount( handle_t h );
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void parseMidiData( handle_t h, const time::spec_t* timestamp, const byte_t* buf, unsigned bufByteCnt );
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// The following two functions are intended to be used togetther.
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// Use midiTriple() to insert pre-parsed msg's to the output buffer,
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// and then use transmit() to send the buffer via the parsers callback function.
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// Set the data bytes to 0xff if they are not used by the message.
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rc_t midiTriple( handle_t h, const time::spec_t* timestamp, byte_t status, byte_t d0, byte_t d1 );
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rc_t transmit( handle_t h );
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// Install/Remove additional callbacks.
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rc_t installCallback( handle_t h, cbFunc_t cbFunc, void* cbDataPtr );
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rc_t removeCallback( handle_t h, cbFunc_t cbFunc, void* cbDataPtr );
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// Returns true if the parser uses the given callback.
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bool hasCallback( handle_t h, cbFunc_t cbFunc, void* cbDataPtr );
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}
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//)
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//( { label:cmMidiPort file_desc:"Device independent MIDI port." kw:[midi]}
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//===============================================================================================
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// MIDI Device Interface
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//
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namespace device
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{
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typedef handle< struct device_str> handle_t;
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// 'cbFunc' and 'cbDataPtr' are optional (they may be set to NULL). In this case
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// 'cbFunc' and 'cbDataPtr' may be set in a later call to cmMpInstallCallback().
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rc_t create( handle_t& h, cbFunc_t cbFunc, void* cbDataPtr, unsigned parserBufByteCnt, const char* appNameStr );
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rc_t destroy( handle_t& h);
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bool isInitialized( handle_t h );
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unsigned count( handle_t h );
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const char* name( handle_t h, unsigned devIdx );
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unsigned nameToIndex(handle_t h, const char* deviceName);
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unsigned portCount( handle_t h, unsigned devIdx, unsigned flags );
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const char* portName( handle_t h, unsigned devIdx, unsigned flags, unsigned portIdx );
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unsigned portNameToIndex( handle_t h, unsigned devIdx, unsigned flags, const char* portName );
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rc_t send( handle_t h, unsigned devIdx, unsigned portIdx, byte_t st, byte_t d0, byte_t d1 );
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rc_t sendData( handle_t h, unsigned devIdx, unsigned portIdx, const byte_t* dataPtr, unsigned byteCnt );
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// Set devIdx to -1 to assign the callback to all devices.
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// Set portIdx to -1 to assign the callback to all ports on the specified devices.
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//
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rc_t installCallback( handle_t h, unsigned devIdx, unsigned portIdx, cbFunc_t cbFunc, void* cbDataPtr );
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rc_t removeCallback( handle_t h, unsigned devIdx, unsigned portIdx, cbFunc_t cbFunc, void* cbDataPtr );
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bool usesCallback( handle_t h, unsigned devIdx, unsigned portIdx, cbFunc_t cbFunc, void* cbDataPtr );
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void report( handle_t h, textBuf::handle_t tbH);
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rc_t test();
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}
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}
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}
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#endif
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