beautypg.com

108 midi implementation, System exclusive messages, Active sensing – Roland VR-760 User Manual

Page 108: Universal non-realtime system exclusive message, Data transmission

background image

108

MIDI Implementation

Active Sensing

Status
FEH

*

This message is transmitted at intervals of approximately 250 msec.

System Exclusive Messages

Universal Non-realtime System Exclusive Message” and Data Set 1 (DT1) are the only
System Exclusive messages transmitted by the VR-760.

Universal Non-realtime System Exclusive Message

Identity Reply Message

Receiving Identity Request Message, the VR-760 send this message.
Status

Data byte

Status

F0H

7EH, dev, 06H, 02H, 41H, 5FH, 01H,

F7H

00H, 00H, 00H, 01H, 00H, 00H

Byte

Explanation

F0H

Exclusive status

7EH

ID number (Universal Non-realtime Message)

dev

Device ID (use the same as the device ID of Roland)

06H

Sub ID#1 (General Information)

02H

Sub ID#2 (Identity Reply)

41H

ID number (Roland)

5FH 01H

Device family code (VR-760)

00H 00H

Device family number code (VR-760)

00H 01H

00H 00H Software revision level

F7H

EOX (End of Exclusive)

Data Transmission

Data set 1 DT1 (12H)

Status

Data byte

Status

F0H

41H, dev, 00H, 5FH, 12H, aaH, bbH,

F7H

ccH, ddH, eeH, ... ffH, sum

Byte

Explanation

F0H

Exclusive status

41H

ID number (Roland)

dev

Device ID (dev: 00H - 1FH, Initial value is 10H)

00H

Model ID #1 (VR-760)

5FH

Model ID #2 (VR-760)

12H

Command ID (DT1)

aaH

Address MSB: upper byte of the starting address of the data to be sent

bbH

Address: upper middle byte of the starting address of the data to be sent

ccH

Address: lower middle byte of the starting address of the data to be sent

ddH

Address LSB: lower byte of the starting address of the data to be sent.

eeH

Data: the actual data to be sent. Multiple bytes of data are transmitted in
order starting from the address.

:

:

ffH

Data

sum

Checksum

F7H

EOX (End Of Exclusive)

*

The amount of data that can be transmitted at one time depends on the type of data, and
data will be transmitted from the specified starting address and size. Refer to the address
and size given in “Parameter Address Map” (p. 109).

*

Data larger than 256 bytes will be divided into packets of 256 bytes or less, and each
packet will be sent at an interval of about 20 ms.

V-LINK ON

Status

Data byte

Status

F0H

41H, dev, 00H, 51H, 12H, 10H, 00H, 00H

F7H

01H, CPM, CLM, sum

Byte

Explanation

F0H

Exclusive status

41H

ID number (Roland)

7FH

Device ID (universal)

00H

Model ID #1 (DV-7PR)

51H

Model ID #2 (DV-7PR)

12H

Command ID (DT1)

10H

Address MSB

00H

Address

00H

Address LSB

01H

Data (V-LINK ON)

CPM

Data (Clip Ctrl Rx MIDI ch : External Part Channel)

CLM

Data (Color Ctrl Rx MIDI ch)

sum

Checksum

F7H

EOX (End Of Exclusive)

V-LINK OFF

Status

Data byte

Status

F0H

41H, dev, 00H, 51H, 12H, 10H, 00H, 00H

F7H

00H, sum

Byte

Explanation

F0H

Exclusive status

41H

ID number (Roland)

7FH

Device ID (universal)

00H

Model ID #1 (DV-7PR)

51H

Model ID #2 (DV-7PR)

12H

Command ID (DT1)

10H

Address MSB

00H

Address

00H

Address LSB

00H

Data (V-LINK OFF)

sum

Checksum

F7H

EOX (End Of Exclusive)