Roland VS-1680 User Manual download pdf (Page 36)

● Universal System Exclusive Message

❍ INQUIRY 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 Realtime 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-1680.

The VS-1680 does not transmit the message.

If the VS-1680 received the message and the device ID of the message is same

as its device ID or 7FH, the VS-1680 transmits the following Identity Reply

message.

✧ Identity Reply

Status Data Bytes Status

F0H 7EH,Dev,06H,02H,41H,7CH,00H,00H,00H,00H,00H,ssH,ssH F7H

Byte Description

F0H Status of System Exclusive Message

7EH Universal System Exclusive Message Non Realtime Header

Dev Device ID

06H General Information (sub ID #1)

02H Identify Request (sub ID #2)

41H Manufacturer ID (Roland)

0EH 01H Device Family Code (VS-1680)

00H 00H Device Family No.

00H

ssH ssH Software Revision Level

F7H EOX (End of System Exclusive Message)

✧ MIDI Machine Control Commands

Status Data Bytes Status

F0H 7FH,Dev,06H,aaH, ..., bbH F7H

Byte Description

F0H Status of System Exclusive Message

7FH Universal System Exclusive Message Realtime 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’ section

✧ MIDI Machine Control Responses

Status Data Bytes Status

F0H 7FH,Dev,07H,aaH, ..., bbH F7H

Byte Description

F0H Status of System Exclusive Message

7FH Universal System Exclusive Message Realtime Header

Dev Device ID

07H MMC Response Message

aaH Response

bbH Response

F7H EOX (End of System Exclusive Message)

(*) see ‘3. MIDI Machine Control’ section

● Data Transfer (RQ1, DT1)

❍ Data Request (RQ1)

Status Data Bytes Status

F0H 41H,Dev,00H, 0EH,11H,aaH,bbH,ccH,ssH,ssH,ssH,Sum F7H

Byte Description

F0H Status of System Exclusive Message

41H Manufacturer ID (Roland)

Dev Device ID

00H 0EH ModelID (VS-1680)

11H Command ID (RQ1)

aaH Address MSB

bbH Address

ccH Address LSB

ssH Size MSB

ssH Size

ssH Size LSB

Sum Check Sum

F7H EOX (End of System Exclusive Message)

The message is used to request data to the VS-1680.

The VS-1680 does not transmit this message.

The VS-1680 transmits the requested data using Data Set(DT1) under following

condition when it received the message.

1. The requested address correspond to the specified parameter base address

of the VS-1680.

2. The requested size is over 1 byte.

❍ Data Set (DT1)

Status Data Bytes Status

F0H 41H,Dev,00H,0EH,12H,aaH,bbH,ccH,ddH, ..., eeH,Sum F7H

Byte Description

F0H Status of System Exclusive Message

41H Manufacturer ID (Roland)

Dev Device ID

00H 0EH Model ID (VS-1680)

12H Command ID (DT1)

aaH Address MSB

bbH Address

ccH Address LSB

ddH Data

eeH Data

Sum Check Sum

F7H EOX (End of System Exclusive Message)

✧ The message is received 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

from the specified parameter base address. If the interval of received messages is shorter

than 25 msec, the VS-1680 can not work the receive message procedure correctly.

✧ The message is transmitted under the following condition.

When the VS-1680 transmit the data on the requested parameter after receiving the Data

Request message(RQ1).

see ‘2. Data Transfer Address Map’ for more details of the transfer parameters.

✧ The message is transmitted under the following condition.

When the VS-1680 transmit the data on the requested parameter after receiving the Data

Request message(RQ1).

see ‘2. Data Transfer Address Map’ for more details of the transfer parameters.

MIDI Implementation

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Roland VS-1680 User Manual Page 36

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