Creative SB0350 Hardware Programming Guide - Page 96

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DSP Commands 6-11 30h Output Remarks 30h Polling mode MIDI input Input MIDI data from the MIDI port using polling mode. The proper sequence is: 1. 2. Send command 30h. Poll DSP for MIDI data. See Also command 31h, Interrupt mode MIDI input command 34h, UART polling mode MIDI I/O 1.xx 9 2.00 9 2.01+ 9 3.xx 9 4.xx 9 Available 31h Output Remarks 31h Interrupt mode MIDI input Input MIDI data from the MIDI port using interrupt mode. After sending this command, DSP will generate an interrupt to signal the application when there is any in-bound MIDI data. To terminate this mode, send the command 31h again. See Also command 30h, Polling mode MIDI input command 35h, UART interrupt mode MIDI I/O 1.xx 9 2.00 9 2.01+ 9 3.xx 9 4.xx 9 Available

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DSP Commands
6-11
30h
Polling mode MIDI input
Output
30h
Remarks
Input MIDI data from the MIDI port using polling mode.
The proper sequence is:
1.
Send command 30h.
2.
Poll DSP for MIDI data.
See Also
command
31h
, Interrupt mode MIDI input
command
34h
, UART polling mode MIDI I/O
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9
9
31h
Interrupt mode MIDI input
Output
31h
Remarks
Input MIDI data from the MIDI port using interrupt mode.
After sending this
command, DSP will generate an interrupt to signal the application when there is any
in-bound MIDI data.
To terminate this mode, send the command
31h
again.
See Also
command
30h
, Polling mode MIDI input
command
35h
, UART interrupt mode MIDI I/O
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9
9