This function sends a socket.(UDP compatible)

Syntax

int SyncSendtoSc(
  SOCKET sock, 
  void *pvSendBuffer, 
  unsigned short u16SendLength, 
  struct sockaddr_in *pstrDestAddr
);

Parameters

sock: [in] Socket descriptor
pvSendBuffer: [in]Specify the send buffer.
u16SendLength: [in]Specify the size of the data to be sent.
The upper limit of the size of the transmitted data is SOCKET_BUFFER_MAX_LENGTH (= 1400).
pstrDestAddr: [in]A pointer to the sockaddr_in structure.

The following values will be returned.

Value	Description
Positive number	Send size
0	Sent If UDP callbacks have been disabled
SOCK_ERROR	Socket error Please recreate the socket.
M2M_ERR_SLEEP_FAIL	Initialize with SysWLANInit function.
Other than the above	Failed

Performs socket transmission (UDP compatible).

Header file:

lib.h

Library file:

libSTARTUPOPH5000.a

Last updated: 2020/10/14