Creative SB0350 Hardware Programming Guide - Page 97

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6-12 DSP Commands 34h Output Remarks 34h UART polling mode MIDI I/O For MIDI UART mode, a read from the DSP is taken as reading MIDI data and a write to the DSP is taken as sending MIDI data. To terminate MIDI UART mode, send a DSP reset command. The DSP reset command behaves differently while the DSP is in MIDI UART mode. It terminates MIDI UART mode and restores all DSP parameters to the states prior to entering MIDI UART mode. See Also command 30h, Polling mode MIDI input command 36h, UART polling mode MIDI I/O with time stamping 1.xx 2.00 9 2.01+ 9 3.xx 9 4.xx 9 Available 35h Output Remarks 35h UART interrupt mode MIDI I/O After sending this command, the DSP will generate an interrupt to signal the application when there is any in-bound MIDI data. Refer to command 34h on the characteristic of MIDI UART mode and on how to terminate it. See Also command 31h, Interrupt mode MIDI input command 37h, UART interrupt mode MIDI I/O with time stamping 1.xx 2.00 9 2.01+ 9 3.xx 9 4.xx 9 Available

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6-12
DSP Commands
34h
UART polling mode MIDI I/O
Output
34h
Remarks
For MIDI UART mode, a read from the DSP is taken as reading MIDI data and a
write to the DSP is taken as sending MIDI data.
To terminate MIDI UART mode, send a DSP reset command.
The DSP reset command behaves differently while the DSP is in MIDI UART mode.
It terminates MIDI UART mode and restores all DSP parameters to the states prior to
entering MIDI UART mode.
See Also
command
30h
, Polling mode MIDI input
command
36h
, UART polling mode MIDI I/O with time stamping
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9
35h
UART interrupt mode MIDI I/O
Output
35h
Remarks
After sending this command, the DSP will generate an interrupt to signal the
application when there is any in-bound MIDI data.
Refer to command
34h
on the characteristic of MIDI UART mode and on how to
terminate it.
See Also
command
31h
, Interrupt mode MIDI input
command
37h
, UART interrupt mode MIDI I/O with time stamping
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9