Roland Alfa JUNO-2 - Page 50

5. HAND3HAKIKQ
COHHUNICATION
5.1
KesBBXe type
S.I.I
Uant to aend a file
<W5F)
Byte
D**Hcrlption
a 1111 0000
Exclusive statua
b
0100 OOOl Roland ID (
c
0100 0000
Opiiriktion code
=
WSF
d
0000 nnnn Unit #
=
MIDI basic
channel, nnnn
=
-
where
nnnn
*
1
=
channel #
e
0010 OOU Format type (
JU-1,JU-2
)
f
nil
OUl End of System
Exclusive
5.1.2
Rectuest a file (RQF)
Byte
Description
B nil
0000
b 0100 0001
c
0100 0001
d
0000 nnnn
e 0010
OOU
f nil
OUl
5.1.3 Data (DAT)
Byte
Exclusive
status
Roland
ID #
Operation code
s
RQF
Unit
I
s
MIDI
baaic channel,
where
nnnn
+
1
=
channel I
Format type ( JU-l,JU-2
I
End of System
Exclualve
Dencription
U U
0000
OtOO 0001
0100 0010
0000 nnnn
ObSS fiBSB
UU
OUl
Exclusive statue
Roland ID t
Operation
code
=
DAT
Unit I
=
MIDI basic
channel, nnnn
where nnnn
t
1
= channel
#
Format type
|
JU--l,JU-2
)
4 sets
of TONE data ( 256 bytes )
Check SUB
End
nf System Rxcluaive
TONE data Is sent in
four-bit nibbles,
right juatificd,
least significant nibble sent
first.
See
3.3
Bulk Dump,
to understand the
TONE data format.
5.2 Sequence
of communtcatlon
5.2.1 !n the 'Dusp' mode.
this
unit
message
objective unit
HSF >
<
ACK or
(
RQF
1
DAT
>
<
ACK
DAT
>
<
ACK
EOF
>
i ACK
5.2.2 In the '
toad
'
mode
this unit
mesaaXe
objective
unit
RQF
>
(
<
W3F
ACK
>
J
t,
DAT
ACK
>
<
DAT
ACK
>
t EOF
ACK
>
Notes
:
«
This unit sends
RJC and the
sequence is
discontinued
when it receives ERR
or detects
soma error.
*
This unit
sends RJC
when the sequence is
discontinued
manually.
*
This unit
stops the
sequence If the unit
receives RJC.
Summed value of the
Im ITbitsI .
all bytes in
data and the check au:
5.1.4 Acknowledle (ACK)
Byte
Deacripti
UU 0000
0100 0001
0100 OOU
0000 nnnn
0010
OOU
UU
OUl
Exclusive status
Roland
ID
I
Operation code
-
ACK
Unit
•
=
niDI
basic channel, nnnn
where
nnnn
la
channel f
Format type
(
JU-1,JU-Z
I
End
of System Exclusive
S.1.5
End of file
(EOF)
Byte
Desaription
a UU
0000
b
0100 0001
c
0100 0101
d
0000
nnnn
e
OOIO OOU
r \ii\
OUl
Exclusive status
Roland ID •
Operation
code
s
EOF
Unit *
=
MIDI basic ahani
where
nnnn
-t-
1
=
channel
Format type
(
JU~t.JU-2
End of
System Exclusive
5.1.6
CommunLcation error (ERR)
Byte
a U
U 0000
b
0100 0001
c 0100 UIO
d 0000 nnnn
e 0010 OOU
f UU
QUI
Description
Exclusive
status
Roland ID I
Operation
code
s
ERR
Unit
I
=
KIDI basic
channel,
where nnnn 1
=
channel
I
Format type ( JU-l,JU-2
)
End
of
System
Exclusive
5.1.7 Rejection (RJC)
Byte
a nil
0000
b 0100
0001
c 0100 \l\\
d 0000 nnnn
0010 OOU
UU
out
Description
Exclusive
status
Roland
iU
t
Operation code
= RJC
Unit I
:
Hill! basic channel, nnnn
=
'
where nnnn
*
1
= channel
t
Format type
(
JU-I ,JU>2
)
End of
System ExclusU'-