Midi Implementation; Transmitted Data - Roland V Accordion FR-7 Mode D'emploi

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FR-7/FR-5 V-Accordion
MIDI implementation | Demo Songs

12. MIDI implementation

1. Received data
I Channel Voice Messages
G Note off
Status
2nd byte
8nH
kkH
n = MIDI channel number:
kk = note number:
vv = note off velocity:
G Note on
Status
2nd byte
9nH
kkH
n = MIDI channel number:
kk = note number:
vv = note on velocity:
G Control Change
• The value specified by a Control Change message is not reset by a Program
Change, etc.
❍ Bank Select (Controller number 0, 32)
Status
2nd byte
BnH
00H
BnH
20H
n = MIDI channel number:
mm = Bank number MSB:
ll = Bank number LSB:
• Only for Free Bass.
❍ Expression (Controller number 11)
Status
2nd byte
BnH
0BH
n = MIDI channel number:
vv = Expression:
• This adjusts the volume of a Part. It can be used independently from Volume
(CC07) messages. Expression messages are used for musical expression within
a performance, e.g., expression pedal movements, crescendo and decrescendo.
❍ Hold 1 (Controller number 64)
Status
2nd byte
BnH
40H
n = MIDI channel number:
vv = Control value:
❍ Program Change
Status
2nd byte
CnH
ppH
n = MIDI channel number:
pp = Program number:
❍ Channel Pressure
Status
2nd byte
DnH
vvH
n = MIDI channel number:
vv = Channel Pressure:
I System Realtime Messages
❍ Active Sensing
Status
FEH
• When Active Sensing is received, the FR-7/FR-5 starts monitoring the intervals of
all further messages. While monitoring, if the interval between messages exceeds
420 ms, the same processing will be carried out as when All Sounds Off, All Notes
Off and Reset All Controllers are received, and message interval monitoring will
be halted.
❍ Start
Status
FAH
• When an FA message is received from an external MIDI device such as sequenc-
er, the FR-7/FR-5 sends all necessary MIDI information for a song header setup:
Treble, Orchestra, Bass/Free, Orchestra Bass, sound setup.
178
3rd byte
vvH
0H~FH (Ch.1~16)
00H~7FH (0~127)
00H~7FH (0~127)
3rd byte
vvH
0H~FH (Ch.1~16)
00H~7FH (0~127)
01H~7FH (1~127)
3rd byte
mmH
llH
0H~FH (Ch.1~16)
00H~7FH
00H~7FH
3rd byte
vvH
0H~FH (Ch.1~16)
00H~7FH (0~127)
3rd byte
vvH
0H~FH (Ch.1~16)
00H~7FH (0~127)
00H~63H= Off/64H~7FH= On
0H~FH (Ch.1~16)
00H~0DH: Treble Register 1~14
00H~15H: Orchestra Register 1~22
00H~06H: Bass/FreeBass/Orch.Bass
Register 1~7
00H~27H: Set 1~40
0H~FH (Ch.1~16)
00H~7FH (0~127)
I System Exclusive Messages
Status
Data byte
Status
F0H
iiH, ddH, ......,eeH
F7H
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.
dd,...,ee = data:
00H~7FH (0~127)
F7H:
EOX (End Of Exclusive)
The System Exclusive Messages received by the FR-7/FR-5 are messages related
to Data Set (DT).
G Data Set 1 DT1 (12H)
Status
Data byte
F0H
41H, dev, 42H, 12H, aaH, bbH, ccH, ddH, ... eeH,
ffH, sum
Byte
Explanation
F0H
Exclusive status
41H
ID number (Roland)
10H
Device ID
00H
Model ID #1 (FR-7/FR-5 V-Accordion)
7CH
Model ID #2 (FR-7/FR-5 V-Accordion)
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 received at one time depends on the type of data,
and data will be transmitted from the specified starting address and size.
• Data larger than 256 bytes must be divided into packets of 256 bytes or less, and
each packet must be sent at an interval of about 20ms.

2. Transmitted data

I Channel Voice Messages
G Note off
Status
2nd byte
3rd byte
8nH
kkH
vvH
n = MIDI channel number:
0H~FH (Ch.1~16)
kk = note number:
00H~7FH (0~127)
vv = note off velocity:
00H~7FH (0~127)
G Note on
Status
2nd byte
3rd byte
9nH
kkH
vvH
n = MIDI channel number:
0H~FH (Ch.1~16)
kk = note number:
00H~7FH (0~127)
vv = note on velocity:
01H~7FH (1~127)
G Control Change
❍ Bank Select (Controller number 0, 32)
Status
2nd byte
3rd byte
BnH
00H
mmH
BnH
20H
llH
n = MIDI channel number:
0H~FH (Ch.1~16)
mm = Bank number MSB:
00H~7FH
ll = Bank number LSB:
00H~7FH
❍ Volume (Controller number 7)
Status
2nd byte
3rd byte
BnH
07H
vvH
n = MIDI channel number:
0H~FH (Ch.1~16)
vv = Volume:
00H~7FH (0~127), Initial value = 64H (100)
• Volume messages are used to adjust the volume balance of each Part.
Status
F7H

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V accordion fr-5

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