This function receives sockets. (TCP compatible)

Syntax

int SyncRecvSc(
  SOCKET sock, 
  void *pvRecvBuf, 
  unsigned short u16BufLen,
  unsigned long u32Timeoutmsec, 
  unsigned short *u16RemainingLen 
);

Parameters

sock
[in] Socket descriptor
pvRecvBuf
[out] Specify the receive buffer.
u16BufLen
[in] Specify the size (bytes) of the receive buffer.
u32Timeoutmsec
[in] Specify the timeout (msec).
If you specify 0 or 4294967295 (0xFFFFFFFF), it will not time out.
u16RemainingLen
[out] The remaining size (in bytes) of the current receive operation.

Return value

The following values will be returned.
ValueDescription
Positive number Receive size.
SOCK_ERR_TIMEOUT If no data was received during the timeout.合
SOCK_ERROR Socket error
Close the socket and recreate it.
SOCK_CLOSE Remote disconnect
Close the socket and recreate it.
SOCK_RECV_ERROR Receive error
The receive size has exceeded the buffer size.
Please adjust the buffer size to an appropriate size.
M2M_ERR_SLEEP_FAIL Initialize with SysWLANInit function.
Other than the above Failed

Remarks

Receives socket (TCP compatible).

Requirements

Header file:
lib.h
Library file:
libSTARTUPOPH5000.a

Last updated: 2020/10/14