SW3.4 – CMD_READ

This command reads a parameter with the index and subindex as given on the corresponding port.

Command:

Octet #Usage
0Command ID = 0x04
1Port ID 0x00 or 0x01
2..3Index, 16-bit value
4Subindex
5Length

The Length field is the desired/maximum length for the attribute. The structure of the attribute can be found in the SDCI device’s documentation.

Return Success:

Octet #Usage
0Command ID = 0x0
1Port ID 0x01 or 0x02
2..3Index, 16-bit value
4Subindex
5Read Length
6..Read Data

The structure for the Read Data can be found in the SDCI device’s documentation.