Sony SRG-X402 Opdrachtenlijst - Pagina 11
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Payload type
Stores the value (Byte 0 and Byte 1) of the following table on the payload division.
Name
Value (Byte 0)
VISCA command
0x01
VISCA inquiry
0x01
VISCA reply
0x01
VISCA device
0x01
setting command
Control
0x02
command
Control reply
0x02
Payload length
Stores the number of bytes (1 to 16) of data that is stored on the payload.
Example: When the payload length is 16 bytes.
Byte 2: 0x00
Byte 3: 0x10
Sequence number
The controller stores the sequence number that is added every time a message is sent. If the sequence
number reaches the limit, next value will be 0. The peripheral device saves the sequence number in the
message from the controller, and stores the sequence number of the received message corresponding
to the message sent to the controller.
Payload
Depending on the payload type, the following are stored.
• VISCA command
Stores the packet of the VISCA command.
• VISCA inquiry
Stores the packet of VISCA message.
• VISCA reply
Stores the reply for the command or inquiry (ACK message, completion message, or error message).
• VISCA device setting command
Stores the packet of the VISCA device setting command.
• Control command
The following are stored on the payload division of the control command.
Name
Value
RESET
0x01
ERROR
0x0Fpp
• Controlled reply
The following are stored on the payload division of the reply for the control command.
Message
Value
ACK
0x01
Value (Byte 1)
Description
0x00
Stores the VISCA command.
0x10
Stores the VISCA inquiry.
0x11
Stores the reply for the VISCA command and VISCA
inquiry, or VISCA device setting command.
0x20
Stores the VISCA device setting command.
0x00
Stores the control command.
0x01
Stores the reply for the control command.
Description
Resets the sequence number to 0. The value that was set as the sequence
number is ignored.
pp=01: Abnormality in the sequence number.
pp=02: Abnormality in the message (message type).
Description
Reply for RESET.
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