Edirol UR-80, Руководство пользователя, Страница: 380 / 396

380
MIDI implementation
■
System common message
On the UR-80 you can assign the following system common messages to LED mode
and receive them.
●
MTC quarter frame
Status 2nd byte
F1H mmH
mm = Message type/value
●
Song position pointer
Status 2nd byte 3rd byte
F2H mmH llH
mm, ll = Song position: 00 00H - 7F 7FH (0-16383)
●
Song select
Status 2nd byte
F3H mmH
mm = Song number: 00 00H - 7F 7FH (0-16383)
●
Tune request
Status
F6H
■
System realtime message
* In addition to Active Sensing messages (which are always received), the UR-80
can receive the following System Realtime messages that you assign in LED
mode.
●
Timing clock
Status
F8H
●
Start
Status
FAH
●
Continue
Status
FBH
●
Stop
Status
FCH
●
Active sensing
Status
FEH
* When Active Sensing is received, the UR-80 will begin monitoring the interval
between all subsequent messages. If a gap of greater than 420 ms between
messages occurs while monitoring is being performed, the UR-80 will transmit
All Sound Off and Reset All Controller messages to all ports.
●
System reset
Status
FFH
■
System exclusive messages
●
Universal non-realtime system exclusive message
❍
Identity request message
Status Data byte Status
F0H 7EH, dev, 06H, 01H F7H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal non-realtime system exclusive message)
dev Device ID (10 or 7FH (Broadcast))
06H Sub ID #1 (General Information)
01H Sub ID #2 (Identity Request)
F7H EOX (End of Exclusive)
●
Data transmission
The UR-80 can use Bulk Dump (p. 383) to transmit the data of its internal memory
sets (p. 349).
❍
Data Set 1DT1 (12H)
This message transmits the actual data, and is used to load the data into the device.
Status Data byte Status
F0H 41H, 10H, 00H, 68H, 12H,
aaH, ddH, ...eeH, sum
F7H
Byte Explanation
F0H Exclusive status
41H ID number (Roland)
10H Device ID (For the UR-80, fixed at 10H)
00H Model ID #1 (UR-80)
68H Model ID #2 (UR-80)
12H Command ID (RQ1)
aaH Address
ddH Data
:
:
:
eeH
Data
sum Checksum
F7H EOX (End of Exclusive)
* The amount of data that can be transmitted at once is fixed for each type of data.
Data that does not have the specified starting address and data size will not be
received. Refer to the explanation in 3. Bulk Dump (p. 383).
* There must be an interval of at least 40 ms between each exclusive message that
is sent.