Description

Use this frame to close an Extended API socket with a specified Socket ID or to close all currently open Extended API sockets.

Format

The following table provides the contents of the frame. For details on frame structure, see API Frames.

Offset Size Frame Field Description

0

8-bit

Start Delimiter

Indicates the start of an API frame.

1

16-bit

Length

Number of bytes between the length and checksum.

3

8-bit

Frame type

0x43

4

8-bit

Frame ID

A reference identifier used to match status responses.

If set to 0, the device does not send a response.

5

8-bit

Socket ID

The following options can be used:

  • ID of the socket to be closed

  • 0xFF: Close all Extended API sockets that are currently open

EOF

8-bit

Checksum

0xFF minus the 8-bit sum of bytes from offset 3 to this byte (between length and checksum).