Data Transmission - Roland EF-303 Manual Del Usuario

MIDI Implementado
Data Set 1 DT1
This message transmits the actual data, and is used when you wish to set the data of the
receiving device.
status data byte
F0H 41H, dev, 00H, 33BH, 12H, aaH, bbH,
ccH, ddH, eeH, ... ffH, sum
Byte Remarks
F0H Exclusive status
41H ID number (Roland)
dev device ID (dev: 10H - 1FH)
00H model ID (EF-303)
33H model ID (EF-303)
12H command ID (DT1)
aaH address MSB
bbH address
ccH address
ddH address LSB
eeH data: The actual data to be transmitted. Multi-byte data is transmitted in the
order of the address.
: :
ffH data
sum checksum
F7H EOX (End Of Exclusive)
* Data whose size is greater than 128 bytes should be divided into packets of 128 bytes or
less and transmitted. Successive Data Set 1 messages should have at least 20 ms of time
interval between them.
* This message is not received if the Rx.Sys-Ex parameter is OFF.
2. MIDI messages used by the step
modulator section
2.1 Messages acknowledged for synchronization
System Realtime messages
Timing Clock
status
F8H
* This message will be received if the Sync Mode parameter is SLAVE.
Start
status
FAH
* This message will be received if the Sync Mode parameter is SLAVE or REMOTE.
Continue
status
FBH
* This message will be received if the Sync Mode parameter is SLAVE or REMOTE.
Stop
status
FCH
* This message will be received if the Sync Mode parameter is SLAVE or REMOTE.

2.2 Data transmission

2.2.1 Messages transmitted during playback.
Channel Voice messages
Note Off
status 2nd byte
8nH kkH
Note On
status 2nd byte
9nH kkH
Control Change
status 2nd byte
BnH kkH
kk=controller number: 02H - 5FH ( 2 - 5, 7 - 31, 64 - 95 )
2.2.2 If the Through parameter is ON, messages received
(except for System Common messages and System
Realtime messages) will be transmitted.
72
status
F7H
3rd byte
40H
3rd byte
vvH
3rd byte
vvH
2.2.3 Messages that are generated and transmitted
2.2.3.1 Messages automatically generated by the system
Channel Mode messages
Omni Off (Controller number 124)
status 2nd byte
BnH 7CH
* At start-up, this message is transmitted to all channels.
Poly (Controller number 127)
status 2nd byte
BnH 7FH
* At start-up, this message is transmitted to all channels.
2.2.3.2 Messages generated and transmitted when the
Sync Out is ON
System Common messages
Song Position Pointer
status 2nd byte
F2H mmH
mm,ll=value: 00 00H - 7F 7FH (0 - 16383)
System Realtime messages
Timing Clock
status
F8H
Start
status
FAH
Continue
status
FBH
Stop
status
FCH
3rd byte
00H
3rd byte
00H
3rd byte
llH