Description
Opens a listener socket that listens for incoming connections.
When there is an incoming connection on the listener socket, a Socket New IPv6 Client - 0xCA frame.
For a UDP socket, this frame binds the socket to a given port. A bound UDP socket can receive data with a Socket Receive From - IPv6 - 0xCB frame.
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 |
0x46 |
4 |
8-bit |
Frame ID |
A reference identifier used to match status responses. If set to 0, the Transmit Status - 0x89 frame is disabled. |
5 |
8-bit |
Socket ID |
The socket ID to listen on. |
6 |
16-bit |
Source Port |
The port to listen on. |
EOF |
8-bit |
Checksum |
0xFF minus the 8-bit sum of bytes from offset 3 to this byte (between length and checksum). |