Roland SonicCell SRX Serie Mode D'emploi page 256

Implémentation MIDI
■System Realtime Messages
●Active Sensing
Status
FEH
* This message is transmitted at intervals of approximately 250
msec.
■System Exclusive Message
Status Data byte
F0H iiH, ddH, ......,eeH
F0H: System Exclusive Message status
ii = ID number: an ID number (manufacturer ID) to indicate the
manufacturer whose Exclusive message this is.
Roland's manufacturer ID is 41H.
ID numbers 7EH and 7FH are extensions of the
MIDI standard; Universal Non-realtime Messages
(7EH) and Universal Realtime Messages (7FH).
dd,...,ee = data: 00H - 7FH (0 - 127)
F7H: EOX (End Of Exclusive)
Universal Non-realtime System Exclusive Messagé" and Data Set 1
(DT1) are the only System Exclusive messages transmitted by the
SonicCell.
●Universal Non-realtime System Exclusive Message
❍Identity Reply Message (SonicCell)
Receiving Identity Request Message, the SonicCell send this
message.
Status Data byte
F0H 7EH, dev, 06H, 02H, 41H, 25H, 02H,
00H, 00H, 00H, 00H, 00H, 00H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
dev Device ID (dev: 10H - 1FH)
06H Sub ID#1 (General Information)
02H Sub ID#2 (Identity Reply)
41H ID number (Roland)
25H 02H Device family code
00H 00H Device family number code
00H 00H 00H 00H Software revision level
F7H EOX (End of Exclusive)
●Data Transmission
❍Data set 1 DT1 (12H)
Status Data byte
F0H 41H, dev, 00H, 00H, 25H, 12H, aaH, bbH,
ccH, ddH, eeH, ... ffH, sum
256
Status
F7H
Status
F7H
Status
F7H
Byte Explanation
F0H Exclusive status
41H ID number (Roland)
dev Device ID (dev: 00H - 1FH, 7FH)
00H Model ID #1 (SonicCell)
00H Model ID #2 (SonicCell)
25H Model ID #3 (SonicCell)
12H Command ID (DT1)
aaH Address MSB: upper byte of the starting address of
bbH Address:
ccH Address:
ddH Address LSB:
eeH Data:
: :
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" (see right).
* 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.
the data to be sent
upper middle byte of the starting
address of the data to be sent
lower middle byte of the starting
address of the data to be sent
lower byte of the starting address of
the data to be sent.
the actual data to be sent. Multiple
bytes of data are transmitted in
order starting from the address.