Denso Power Net Terminal BHT-103 Specifikace stáhnout pdf (Strana 493)

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Chapter 18. TCP/IP

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Syntax:

CALL "SOCKET.FN3" .fcSendto SOCKFD%, SENDBUFF$[()],

SENDLEN%, SENDMODE%, FAMILY%, PORT%, address,

SENDSIZE%

where address is ADDRESS or IPADDRESS$

Description: This function transmits data from the specified buffer to the IP address and

port number connected to the specified socket identifier.

BSD4.4 socket API equivalent: This function is equivalent to the BSD4.4

socket API sendto() function.

Parameters:

SOCKFD% Socket identifier

SENDBUFF$[()] Transmit buffer

SENDLEN% Number of bytes to transmit

SENDMODE% Transmit mode

FAMILY% Protocol family

PORT% Port

ADDRESS Local address for connection

IPADDRESS$ Internet address in dotted quad notation

The transmit buffer (

SENDBUFF$) can be either a string non-array or

string array variable. The maximum size for a string non-array is 255

bytes; for a string array, 1472.

The transmit mode (

SENDMODE%) must be one of the following values:

The protocol family (

FAMILY%) must be 2, the value indicating the ARPA

Internet protocols.

Return value:

SENDSIZE% Number of bytes transmitted

Run-time errors:

.fcSendto Send message to another UDP socket

.soSdNrm 0 Normal

.soSdDnRt 4 Bypass pathway control function

.soINet 2 ARPA Internet protocols

Error code Meaning

105h

Power-off detected

209h

Socket identifier is invalid.

216h

A parameter is invalid.

228h

The maximum number of bytes to receive is too small.

229h

TCP is the wrong protocol here.

237h

There is insufficient system area memory.

241h

There is no connection pathway to the host.

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