W6100 datasheet(114/149 Pages) WIZNET

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W6100 – Hardwired Dual TCP/IP Stack Controller

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if(Sn_IR[TIMEOUT] == ‘1’)

{

Sn_IR[TIMEOUT] = ‘1’;

/* clear TIMEOUT Interrupt */

goto Finished?;

}

 Finished? / CLOSE

In case that there is no more data to send, close SOCKET n by Sn_CR[CLOSE].

{

Sn_CR = CLOSE;

/* set CLOSE Command */

while(Sn_CR != 0x00);

/* wait until CLOSE Command is cleared*/

/* wait until SOCKET n is closed */

while(Sn_SR == SOCK_CLOSED);

}

6.4.1 Other Functions

6.4.1.1

IPRAW Mode SOCKET Options

In the process of opening SOCKER n as IPRAW4/IPRAW6 mode, SOCKET option is set via Sn_MR

and Sn_MR2.

 Destination Hardware Address by Sn_DHAR : Sn_MR2[DHAM]= ‘1’

ARP/ND-process is skipped and Sn_DHAR is used as the destination hardware address.

 Destination Hardware Address by ARP : Sn_MR2[DHAM]= ‘0’

The destination hardware address of IPRAW data to be transmitted is used as the acquired

address from ARP/ND-process.

 Force ARP : Sn_MR2[FARP]= ‘1’

ARP/ND-process is performed whenever IPRAW4 or IPRAW6 DATA is transmitted by

Sn_CR[SEND] or Sn_CR[SEND6].

 Auto ARP : Sn_MR2[FARP]= ‘0’

ARP/ND-process is performed when the first IPRAW data packet is transmitted or when

the destination is changed.

W6100 Datasheet(PDF) 114 Page - WIZnet Co., Ltd