Command Block Format - Pioneer PRV-LX1 Protocol Manual

2.0

Command Block Format

The PRV-LX1 supports the following commands based on AV/C commands in the IEEE-1394 specification.
Note: Pad with 0 from Byte 0 to Byte 3 to make the command size (Bytes) a multiple of 4.
transmitted first
0000
0 PR 2
CT/RC
Command Type and Response Code are as follows.
CT/RC
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
CT/RC
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
HA
msb
HA
Header Address (HA) specifies the Device or the Sub-device in the Device.
The following two values can be specified for HA on a PRV-LX1.
Device/Subdevice
Device
Video Cassette Recorder (VCR)
OPC
Specifies Operation Code
OPR
Specifies Operand
4 bytes
CT/RC HA
Zero pad bytes
Command Type
Control Command
Status Inquiry Command
Support Inquiry Command
Report Inquiry Command
(Reserved)
(Reserved)
(Reserved)
(Reserved)
Response Code
NOT IMPLEMENTED
ACCEPTED
REJECTED
IN TRANSITION
IMPLEMENTED/STABLE
CHANGED
(Reserved)
BUSY
Subdevice Type
Page 3 of 12
OPC OPR 1
transmitted last
Subdevice No.
HA Subdevice Type
FF 11111
20 00100
PRV-LX1 IEEE-1394 Protocol
lsb
Subdevice No.
111
000