Syntax
char ListenSc(
SOCKET sock,
unsigned char backlog
);
Parameters
- sock
-
[in] Socket descriptor
- backlog
-
[in] Please specify 0.
Return value
The following values will be returned.| Value | Description |
|---|---|
| SOCK_ERR_NO_ERROR | Succeeded |
| M2M_ERR_SLEEP_FAIL | Initialize with SysWLANInit function. |
| Other than the above | Failed |
Remarks
This function starts accepting socket connections.Only available on TCP sockets.
The processing request of this function is processed asynchronously. The processing result is received by the callback function specified by the pfAppSocketCb parameter of the RegSocketCallbackSc function. The following values are passed to the parameters of the callback function.
- sock
- Socket descriptor
- u8Msg
- SOCKET_MSG_LISTEN
- pvMsg
- A pointer to the tstrSocketListenMsg structure that stores the processing result.
tstrSocketListenMsg structure (typedef)
Syntax
typedef struct
{
signed char status;
} tstrSocketListenMsg;
Members
- status
- Returns 0 if the ListenSc process is successful, otherwise it returns a negative value.
Requirements
Header file:
lib.hLibrary file:
libSTARTUPOPH5000.a
Sample
Last updated: 2020/11/26