74
MIDI Implementation
●
Universal System Exclusive message
❍
Identity Request
Status
Data Byte Status
F0H 7EH,Dev,06H,01H F7H
Byte Description
F0H Status of System Exclusive Message
7EH Universal System Exclusive message Non Real-time header
Dev Device ID (or 7FH)
06H General Information (sub-ID #1)
01H Identify Request (sub-ID #2)
F7H EOX (End of System Exclusive message)
The message is used to request the particular information of the VS-2000.
The VS-2000 does not transmit the message.
If the VS-2000 received the message and the device ID of the message is same as its device.
ID or 7FH, the VS-2000 transmits the following Identify Reply message.
❍
Identity Reply
Status
Data Byte Status
F0H 7EH,Dev,06H,02H,41H,mmH,mmH, F7H
00H,00H,00H,00H,ssH,ssH
Byte Description
F0H Status of System Exclusive Message
7EH Universal System Exclusive Non Real-time Header
Dev Device ID
06H General Information (sub-ID #1)
02H Identify Request (sub-ID #2)
41H Manufacturer ID (Roland)
mmH mmH Device Family Code (VS-2000)
00H 00H Device Family No.
00H
00H
ssH ssH Software Revision Level
F7H EOX (End of System Exclusive message)
When VS-2000, the value of the device family code is 70H 01H.
❍
MIDI Time Code
Status
Data Byte Status
F0H 7EH,Dev,01H,01H,hr,mn,sc,fr F7H
Byte Description
F0H Status of System Exclusive Message
7FH Universal System Exclusive Real-time Header
Dev Device ID
01H MIDI Time Code
01H MIDI Time Code Full Message
hr hr Type/Hour(0yyzzzzz)
yy: Time Code Type
0=24 Frame/Sec
1=25 Frame/Sec
2=30 Frame/Sec (Drop)
3=30 Frame/Sec (Non-Drop)
mn Minutes (0–59)
sc Second (0–59)
fr Frame (0–59)
F7H EOX (End of System Exclusive message)
❍
MIDI Machine Control Commands
Status
Data Byte Status
F0H FH,Dev,06H,aaH, ..., bbH F7H
Byte Description
F0H Status of System Exclusive Message
7FH Universal System Exclusive Real-time Header
Dev Device ID (or 7FH)
06H MMC Command Message
aaH Command
: :
bbH Command
F7H EOX (End of System Exclusive message)
(*) see “3. MIDI Machine Control.”
●
Data Transfer (RQ1,DT1)
❍
Data Request (RQ1)
Status
Data Byte Status
F0H 41H,Dev,00H,70H,11H,aaH,bbH, F7H
ccH,ddH,ssH,ssH,ssH,ssh,Sum
Byte Description
F0H Status of System Exclusive Message
41H Manufacturer ID (Roland)
Dev Device ID
00H 70H Model ID (VS-2000)
11H Command ID (RQ1)
aaH Address MSB
bbH Address
ccH Address
ddH Address LSB
ssH Size MSB
ssH Size
ssH Size
ssH Size LSB
Sum Check Sum
F7H EOX (End of System Exclusive message)
This message is used to request parameters from the VS-2000.
The VS-2000 does not transmit this message.
When this message is received, the requested data will be transmitted if the following
conditions are satisfied.
1. The address specified by RQ1 corresponds to one of the applicable parameter base
addresses of the VS-2000.
2. The requested size is 1 or greater.
If the above conditions are satisfied, the corresponding parameters will be transmitted in
the form described in Data Set (DT1).
❍
Data Set (DT1)
<Model ID = 00H 70H (VS-2000)>
Status Data Byte Status
F0H 41H,Dev,00H,70H,12H,aaH,bbH, F7H
ccH,ddH, ..., eeH,Sum
Byte Description
F0H Status of System Exclusive Message
41H Manufacturer ID (Roland)
Dev Device ID
00H 70H Model ID (VS-2000)
12H Command ID (DT1)
aaH Address MSB
bbH Address
ccH Address
ddH Address LSB
eeH Data
Sum Check Sum
F7H EOX (End of System Exclusive message)
<Model ID = 00H 36H (VE-7000)>
Status Data Byte Status
F0H 41H,Dev,00H,36H,12H,aaH,bbH,F7H
ccH,ddH, ..., eeH,Sum
Byte Description
F0H Status of System Exclusive Message
41H Manufacturer ID (Roland)
Dev Device ID
00H 36H Model ID (VE-7000)
12H Command ID (DT1)
aaH Address MSB
bbH Address
ccH Address LSB
ddH Data
Sum Check Sum
F7H EOX (End of System Exclusive message)
❍
The message is transmitted under the following condition.
If the device ID on the message is same as that of the receive device, and the address on the
message correspond to the specified parameter base address, the received data are stored
form the specified parameter base address.
If the interval of received messages is shorter than 25 msec, the VS-2000 can not work the
receive message procedure correctly.
VS-2000_e.book 74 ページ 2005年12月12日 月曜日 午後4時54分