W6100 datasheet(96/149 Pages) WIZNET

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W6100 – Hardwired Dual TCP/IP Stack Controller

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Sn_CR = CONNECT; /* set CONNECT command */

while(Sn_CR != 0x00); /* wait until CONNECT or CONNECT6 command is cleared */

goto ESTABLISHED?;

}

TCP6 :

{

/* set destination IP address, FE80::10D:FC:34A:EF90 */

Sn_DIP6R[0:15] = {0xFE, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

0x01, 0x0D, 0x00, 0xFC, 0x03, 0x4A, 0xEF, 0x90};

/* set destination PORT number, 5000(0x1388) */

Sn_PORTR[0:1] = {0x13, 0x88};

Sn_CR = CONNECT6; /* set CONNECT6 command */

while(Sn_CR != 0x00); /* wait until CONNECT or CONNECT6 command is cleared */

goto ESTABLISHED?;

}

 Others flow

Refer to. 6.2.1 TCP SERVER

6.2.4 Other Functions

6.2.4.1

TCP SOCKET Options

Before SOCKET n opens by Sn_CR[OPEN] command, users need to set SOCKET option with Sn_MR

and Sn_MR2.

 No Delayed ACK : Sn_MR[ND] = ‘1’

No Delayed ACK option is for sending ACK packet without any delay when it received DATA

from peer.

 Delayed ACK : Sn_MR[ND] = ‘0’

If No Delayed ACK option is cleared, SOCKET responses ACK packet to data from peer when

time in RTR elapsed or when TCP window size becomes smaller than the configured MSS by

Sn_CR[RECV] command.

 Force PSH Flag : Sn_MR[FPSH] = ‘1’

If Force PSH option is set, SOCKET puts PSH flag in every DATA packet to be transmitted.

W6100 Datasheet(PDF) 96 Page - WIZnet Co., Ltd