40 static BOOL isStatusByte(u8 ch);
41 static BOOL isDataByte  (u8 ch);
42 static BOOL isSupportedMidiMessage(u8 ch);
43 static BOOL isSupportedMidiControl(u8 ch);
44 static BOOL isNoteOnMessage(u8 ch);          // 3 bytes
45 static BOOL isNoteOffMessage(u8 ch);         // 3 bytes
46 static BOOL isControlChangeMessage(u8 ch);   // 3 bytes
47 static BOOL isProgramChangeMessage(u8 ch);   // 2 bytes
48 static BOOL isPitchbendChangeMessage(u8 ch); // 3 bytes
49 static BOOL isExclusiveMessage(u8 ch);       // Flexible length
50 static BOOL isEndOfExclusiveMessage(u8 ch);
51 static BOOL isActiveSensingMessage(u8 ch);
52 static BOOL isSystemMessage(u8 ch);
63 static BOOL isStatusByte(u8 ch)  in isStatusByte()  argument
65     return (ch & 0x80) ? TRUE : FALSE;  in isStatusByte()
69 static BOOL isDataByte(u8 ch)  in isDataByte()  argument
71     return isStatusByte(ch) ? FALSE : TRUE;  in isDataByte()
75 static BOOL isSupportedMidiMessage(u8 ch)  in isSupportedMidiMessage()  argument
77     if(isNoteOnMessage(ch)         ||  in isSupportedMidiMessage()
78        isNoteOffMessage(ch)        ||  in isSupportedMidiMessage()
79        isControlChangeMessage(ch)  ||  in isSupportedMidiMessage()
80        isProgramChangeMessage(ch)  ||  in isSupportedMidiMessage()
81        isPitchbendChangeMessage(ch) )  in isSupportedMidiMessage()
92 static BOOL isSupportedMidiControl(u8 ch)  in isSupportedMidiControl()  argument
113         if(ch==LIST[i])  in isSupportedMidiControl()
124 static BOOL isNoteOnMessage(u8 ch)  in isNoteOnMessage()  argument
126     return ((ch & 0xf0)==0x90) ? TRUE : FALSE;  in isNoteOnMessage()
130 static BOOL isNoteOffMessage(u8 ch)  in isNoteOffMessage()  argument
132     return ((ch & 0xf0)==0x80) ? TRUE : FALSE;  in isNoteOffMessage()
136 static BOOL isControlChangeMessage(u8 ch)  in isControlChangeMessage()  argument
138     return ((ch & 0xf0)==0xb0) ? TRUE : FALSE;  in isControlChangeMessage()
142 static BOOL isProgramChangeMessage(u8 ch)  in isProgramChangeMessage()  argument
144     return ((ch & 0xf0)==0xc0) ? TRUE : FALSE;  in isProgramChangeMessage()
148 static BOOL isPitchbendChangeMessage(u8 ch)  in isPitchbendChangeMessage()  argument
150     return ((ch & 0xf0)==0xe0) ? TRUE : FALSE;  in isPitchbendChangeMessage()
154 static BOOL isExclusiveMessage(u8 ch)  in isExclusiveMessage()  argument
156     return (ch==0xf0) ? TRUE : FALSE;  in isExclusiveMessage()
160 static BOOL isEndOfExclusiveMessage(u8 ch)  in isEndOfExclusiveMessage()  argument
162     return (ch==0xf7) ? TRUE : FALSE;  in isEndOfExclusiveMessage()
166 static BOOL isActiveSensingMessage(u8 ch)  in isActiveSensingMessage()  argument
168     return (ch==0xfe) ? TRUE : FALSE;  in isActiveSensingMessage()
172 static BOOL isSystemMessage(u8 ch)  in isSystemMessage()  argument
174     return ((ch & 0xf0) == 0xf0) ? TRUE : FALSE;  in isSystemMessage()