NewTek 35X4K, User Manual

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Note: LAN output way is big-endian, LSB is in the front.
Payload type:
Data definition as following:
Name Value (Byte 0) Value (Byte 0) Value (Byte 0)
VISCA command 0x01 0x00 Stores the VISCA command.
VISCA inquiry 0x01 0x10 Stores the VISCA inquiry.
VISCA reply 0x01 0x11
Stores the reply for the VISCA command and VISCA
inquiry, or VISCA device setting command.
VISCA device
setting command
0x01 0x20 Stores the VISCA device setting command.
Control command 0x02 0x00 Stores the control command.
Control reply 0x02 0x01 Stores the reply for the control command.
Payload length
Valid data length in Payload (1~16), is command length.
For example, when valid data length is 16 byte
Byte 2 : 0x00
Byte 3 : 0x10
Controller will save sequence number of each command, when one command sent, the sequence number of the command will add 1,
when the sequence number becomes the max value, it will change to 0 for next time. The peripheral equipment will save sequence
number of each command, and return the sequence number to the controller.
Payload
According to Payload type, the following data will be saved.

VISCA command
Save VISCA command packet

VISCA inquiry
Save VISCA message packet

VISCA reply
Save VISCA return packet

VISCA device setting command
Save VISCA equipment setting command packet.

Control command
The following data is saved in control command payload