GEM WK6

○○○○○○○○○○○○○○○○○○○○○○
A•38 Appendix
ACK message:
F0H = System Exclusive Message status
2FH = ID number (manufacturer ID) = GENERAL MUSIC
5cH = Command ID: 5=Resource Access, c=device ID(0-F)
7FH = Subfunction ID = ACK
00 = Model ID, 00 = WK4
00 = not checksum, format 0
pp = packet number (00:7fH)
F7H = EOX
NACK message:
F0H = System Exclusive Message status
2FH = ID number (manufacturer ID) = GENERAL MUSIC
5cH = Command ID: 5=Resource Access, c=device ID(0-F)
7EH = Subfunction ID = NACK
00 = Model ID, 00 = WK4
00 = not checksum, format 0
pp = packet number (00:7fH)
F7H = EOX
CANCEL message:
F0H = System Exclusive Message status
2FH = ID number (manufacturer ID) = GENERAL MUSIC
5cH = Command ID: 5=Resource Access, c=device ID(0-F)
7DH = Subfunction ID = CANCEL
00 = Model ID, 00 = WK4
00 = not checksum, format 0
pp = packet number (00:7fH)
F7H = EOX
WAIT message:
F0H = System Exclusive Message status
2FH = ID number (manufacturer ID) = GENERAL MUSIC
5cH = Command ID: 5=Resource Access, c=device ID(0-F)
7CH = Subfunction ID = WAIT
00 = Model ID, 00 = WK4
00 = not checksum, format 0
pp = packet number (00:7fH)
F7H = EOX
EXAMPLES of Resource Request message compositions
< Example 1 > : System Setup request:
F0 2F 50 03 00 00 00 00 F7
(1) (2) (3) (4) (5) (6) (7) (8) (9)
(1)Exclusive Status
(2)manufacturer ID=GENERAL MUSIC
(3)Command ID(5=RESOURCE ACCESS) + device ID (0=1 ° device ID)
(4)Subfunction ID (3=RESOURCE REQUEST)
(5)Model ID (0=WK4)
(6)c=0(No checksum),f=0(7 bit data value)
(7)Resource ID (0=Setup)
(8)not used for Setup Req
(7)EOX