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559 lines
14 KiB
C
559 lines
14 KiB
C
15 years ago
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/*
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*
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@file socket.c
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@brief setting chip register for socket
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last update : 2008. Jan
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*
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*/
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#include "types.h"
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#include "w5100.h"
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#include "socket.h"
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static uint16 local_port;
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/**
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@brief This Socket function initialize the channel in perticular mode, and set the port and wait for W5100 done it.
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@return 1 for sucess else 0.
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*/
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uint8 socket(
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SOCKET s, /**< for socket number */
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uint8 protocol, /**< for socket protocol */
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uint16 port, /**< the source port for the socket */
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uint8 flag /**< the option for the socket */
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)
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{
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uint8 ret;
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#ifdef __DEF_IINCHIP_DBG__
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printf("socket()\r\n");
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#endif
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if ((protocol == Sn_MR_TCP) || (protocol == Sn_MR_UDP) || (protocol == Sn_MR_IPRAW) || (protocol == Sn_MR_MACRAW) || (protocol == Sn_MR_PPPOE))
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{
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close(s);
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IINCHIP_WRITE(Sn_MR(s),protocol | flag);
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if (port != 0) {
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IINCHIP_WRITE(Sn_PORT0(s),(uint8)((port & 0xff00) >> 8));
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IINCHIP_WRITE((Sn_PORT0(s) + 1),(uint8)(port & 0x00ff));
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} else {
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local_port++; // if don't set the source port, set local_port number.
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IINCHIP_WRITE(Sn_PORT0(s),(uint8)((local_port & 0xff00) >> 8));
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IINCHIP_WRITE((Sn_PORT0(s) + 1),(uint8)(local_port & 0x00ff));
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}
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_OPEN); // run sockinit Sn_CR
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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ret = 1;
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}
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else
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{
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ret = 0;
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}
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#ifdef __DEF_IINCHIP_DBG__
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printf("Sn_SR = %.2x , Protocol = %.2x\r\n", IINCHIP_READ(Sn_SR(s)), IINCHIP_READ(Sn_MR(s)));
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#endif
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return ret;
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}
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/**
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@brief This function close the socket and parameter is "s" which represent the socket number
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*/
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void close(SOCKET s)
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{
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#ifdef __DEF_IINCHIP_DBG__
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printf("close()\r\n");
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#endif
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_CLOSE);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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/* +2008.01 [hwkim]: clear interrupt */
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#ifdef __DEF_IINCHIP_INT__
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/* m2008.01 [bj] : all clear */
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putISR(s, 0x00);
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#else
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/* m2008.01 [bj] : all clear */
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IINCHIP_WRITE(Sn_IR(s), 0xFF);
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#endif
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}
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/**
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@brief This function established the connection for the channel in passive (server) mode. This function waits for the request from the peer.
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@return 1 for success else 0.
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*/
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uint8 listen(
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SOCKET s /**< the socket number */
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)
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{
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uint8 ret;
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#ifdef __DEF_IINCHIP_DBG__
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printf("listen()\r\n");
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#endif
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if (IINCHIP_READ(Sn_SR(s)) == SOCK_INIT)
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{
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_LISTEN);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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ret = 1;
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}
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else
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{
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ret = 0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("Fail[invalid ip,port]\r\n");
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#endif
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}
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return ret;
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}
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/**
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@brief This function established the connection for the channel in Active (client) mode.
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This function waits for the untill the connection is established.
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@return 1 for success else 0.
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*/
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uint8 connect(SOCKET s, uint8 * addr, uint16 port)
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{
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uint8 ret;
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#ifdef __DEF_IINCHIP_DBG__
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printf("connect()\r\n");
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#endif
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if
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(
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((addr[0] == 0xFF) && (addr[1] == 0xFF) && (addr[2] == 0xFF) && (addr[3] == 0xFF)) ||
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((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
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(port == 0x00)
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)
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{
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ret = 0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("Fail[invalid ip,port]\r\n");
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#endif
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}
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else
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{
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ret = 1;
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// set destination IP
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IINCHIP_WRITE(Sn_DIPR0(s),addr[0]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 1),addr[1]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 2),addr[2]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 3),addr[3]);
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IINCHIP_WRITE(Sn_DPORT0(s),(uint8)((port & 0xff00) >> 8));
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IINCHIP_WRITE((Sn_DPORT0(s) + 1),(uint8)(port & 0x00ff));
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_CONNECT);
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/* m2008.01 [bj] : wait for completion */
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while ( IINCHIP_READ(Sn_CR(s)) ) ;
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}
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return ret;
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}
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/**
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@brief This function used for disconnect the socket and parameter is "s" which represent the socket number
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@return 1 for success else 0.
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*/
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void disconnect(SOCKET s)
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{
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#ifdef __DEF_IINCHIP_DBG__
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printf("disconnect()\r\n");
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#endif
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_DISCON);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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}
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/**
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@brief This function used to send the data in TCP mode
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@return 1 for success else 0.
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*/
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uint16 send(
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SOCKET s, /**< the socket index */
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const uint8 * buf, /**< a pointer to data */
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uint16 len /**< the data size to be send */
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)
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{
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uint8 status=0;
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uint16 ret=0;
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uint16 freesize=0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("send()\r\n");
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#endif
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if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size.
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else ret = len;
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// if freebuf is available, start.
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do
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{
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freesize = getSn_TX_FSR(s);
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status = IINCHIP_READ(Sn_SR(s));
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if ((status != SOCK_ESTABLISHED) && (status != SOCK_CLOSE_WAIT))
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{
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ret = 0;
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break;
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}
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#ifdef __DEF_IINCHIP_DBG__
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printf("socket %d freesize(%d) empty or error\r\n", s, freesize);
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#endif
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} while (freesize < ret);
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// copy data
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send_data_processing(s, (uint8 *)buf, ret);
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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/* +2008.01 bj */
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#ifdef __DEF_IINCHIP_INT__
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while ( (getISR(s) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
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#else
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while ( (IINCHIP_READ(Sn_IR(s)) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
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#endif
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{
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/* m2008.01 [bj] : reduce code */
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if ( IINCHIP_READ(Sn_SR(s)) == SOCK_CLOSED )
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{
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#ifdef __DEF_IINCHIP_DBG__
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printf("SOCK_CLOSED.\r\n");
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#endif
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close(s);
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return 0;
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}
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}
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/* +2008.01 bj */
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#ifdef __DEF_IINCHIP_INT__
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putISR(s, getISR(s) & (~Sn_IR_SEND_OK));
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#else
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IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK);
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#endif
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return ret;
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}
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/**
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@brief This function is an application I/F function which is used to receive the data in TCP mode.
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It continues to wait for data as much as the application wants to receive.
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@return received data size for success else -1.
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*/
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uint16 recv(
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SOCKET s, /**< socket index */
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uint8 * buf, /**< a pointer to copy the data to be received */
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uint16 len /**< the data size to be read */
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)
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{
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uint16 ret=0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("recv()\r\n");
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#endif
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if ( len > 0 )
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{
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recv_data_processing(s, buf, len);
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_RECV);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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ret = len;
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}
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return ret;
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}
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/**
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@brief This function is an application I/F function which is used to send the data for other then TCP mode.
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Unlike TCP transmission, The peer's destination address and the port is needed.
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@return This function return send data size for success else -1.
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*/
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uint16 sendto(
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SOCKET s, /**< socket index */
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const uint8 * buf, /**< a pointer to the data */
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uint16 len, /**< the data size to send */
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uint8 * addr, /**< the peer's Destination IP address */
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uint16 port /**< the peer's destination port number */
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)
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{
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// uint8 status=0;
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// uint8 isr=0;
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uint16 ret=0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("sendto()\r\n");
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#endif
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if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size.
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else ret = len;
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if
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(
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((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
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((port == 0x00)) ||(ret == 0)
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)
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{
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/* +2008.01 [bj] : added return value */
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ret = 0;
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#ifdef __DEF_IINCHIP_DBG__
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printf("%d Fail[%.2x.%.2x.%.2x.%.2x, %.d, %d]\r\n",s, addr[0], addr[1], addr[2], addr[3] , port, len);
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printf("Fail[invalid ip,port]\r\n");
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#endif
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}
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else
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{
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IINCHIP_WRITE(Sn_DIPR0(s),addr[0]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 1),addr[1]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 2),addr[2]);
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IINCHIP_WRITE((Sn_DIPR0(s) + 3),addr[3]);
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IINCHIP_WRITE(Sn_DPORT0(s),(uint8)((port & 0xff00) >> 8));
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IINCHIP_WRITE((Sn_DPORT0(s) + 1),(uint8)(port & 0x00ff));
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// copy data
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send_data_processing(s, (uint8 *)buf, ret);
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IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND);
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/* +20071122[chungs]:wait to process the command... */
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while( IINCHIP_READ(Sn_CR(s)) )
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;
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/* ------- */
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/* +2008.01 bj */
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#ifdef __DEF_IINCHIP_INT__
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while ( (getISR(s) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
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#else
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while ( (IINCHIP_READ(Sn_IR(s)) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
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#endif
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{
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#ifdef __DEF_IINCHIP_INT__
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if (getISR(s) & Sn_IR_TIMEOUT)
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#else
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if (IINCHIP_READ(Sn_IR(s)) & Sn_IR_TIMEOUT)
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#endif
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{
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#ifdef __DEF_IINCHIP_DBG__
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printf("send fail.\r\n");
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#endif
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/* +2008.01 [bj]: clear interrupt */
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#ifdef __DEF_IINCHIP_INT__
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putISR(s, getISR(s) & ~(Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); /* clear SEND_OK & TIMEOUT */
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#else
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IINCHIP_WRITE(Sn_IR(s), (Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); /* clear SEND_OK & TIMEOUT */
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#endif
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return 0;
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||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* +2008.01 bj */
|
||
|
|
#ifdef __DEF_IINCHIP_INT__
|
||
|
|
putISR(s, getISR(s) & (~Sn_IR_SEND_OK));
|
||
|
|
#else
|
||
|
|
IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
@brief This function is an application I/F function which is used to receive the data in other then
|
||
|
|
TCP mode. This function is used to receive UDP, IP_RAW and MAC_RAW mode, and handle the header as well.
|
||
|
|
|
||
|
|
@return This function return received data size for success else -1.
|
||
|
|
*/
|
||
|
|
uint16 recvfrom(
|
||
|
|
SOCKET s, /**< the socket number */
|
||
|
|
uint8 * buf, /**< a pointer to copy the data to be received */
|
||
|
|
uint16 len, /**< the data size to read */
|
||
|
|
uint8 * addr, /**< a pointer to store the peer's IP address */
|
||
|
|
uint16 *port /**< a pointer to store the peer's port number. */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
uint8 head[8];
|
||
|
|
uint16 data_len=0;
|
||
|
|
uint16 ptr=0;
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("recvfrom()\r\n");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if ( len > 0 )
|
||
|
|
{
|
||
|
|
ptr = IINCHIP_READ(Sn_RX_RD0(s));
|
||
|
|
ptr = ((ptr & 0x00ff) << 8) + IINCHIP_READ(Sn_RX_RD0(s) + 1);
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("ISR_RX: rd_ptr : %.4x\r\n", ptr);
|
||
|
|
#endif
|
||
|
|
switch (IINCHIP_READ(Sn_MR(s)) & 0x07)
|
||
|
|
{
|
||
|
|
case Sn_MR_UDP :
|
||
|
|
read_data(s, (uint8 *)ptr, head, 0x08);
|
||
|
|
ptr += 8;
|
||
|
|
// read peer's IP address, port number.
|
||
|
|
addr[0] = head[0];
|
||
|
|
addr[1] = head[1];
|
||
|
|
addr[2] = head[2];
|
||
|
|
addr[3] = head[3];
|
||
|
|
*port = head[4];
|
||
|
|
*port = (*port << 8) + head[5];
|
||
|
|
data_len = head[6];
|
||
|
|
data_len = (data_len << 8) + head[7];
|
||
|
|
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("UDP msg arrived\r\n");
|
||
|
|
printf("source Port : %d\r\n", *port);
|
||
|
|
printf("source IP : %d.%d.%d.%d\r\n", addr[0], addr[1], addr[2], addr[3]);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
read_data(s, (uint8 *)ptr, buf, data_len); // data copy.
|
||
|
|
ptr += data_len;
|
||
|
|
|
||
|
|
IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8));
|
||
|
|
IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case Sn_MR_IPRAW :
|
||
|
|
read_data(s, (uint8 *)ptr, head, 0x06);
|
||
|
|
ptr += 6;
|
||
|
|
|
||
|
|
addr[0] = head[0];
|
||
|
|
addr[1] = head[1];
|
||
|
|
addr[2] = head[2];
|
||
|
|
addr[3] = head[3];
|
||
|
|
data_len = head[4];
|
||
|
|
data_len = (data_len << 8) + head[5];
|
||
|
|
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("IP RAW msg arrived\r\n");
|
||
|
|
printf("source IP : %d.%d.%d.%d\r\n", addr[0], addr[1], addr[2], addr[3]);
|
||
|
|
#endif
|
||
|
|
read_data(s, (uint8 *)ptr, buf, data_len); // data copy.
|
||
|
|
ptr += data_len;
|
||
|
|
|
||
|
|
IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8));
|
||
|
|
IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff));
|
||
|
|
break;
|
||
|
|
case Sn_MR_MACRAW :
|
||
|
|
read_data(s,(uint8*)ptr,head,2);
|
||
|
|
ptr+=2;
|
||
|
|
data_len = head[0];
|
||
|
|
data_len = (data_len<<8) + head[1] - 2;
|
||
|
|
|
||
|
|
read_data(s,(uint8*) ptr,buf,data_len);
|
||
|
|
ptr += data_len;
|
||
|
|
IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8));
|
||
|
|
IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff));
|
||
|
|
|
||
|
|
#ifdef __DEF_IINCHIP_DGB__
|
||
|
|
printf("MAC RAW msg arrived\r\n");
|
||
|
|
printf("dest mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[0],buf[1],buf[2],buf[3],buf[4],buf[5]);
|
||
|
|
printf("src mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[6],buf[7],buf[8],buf[9],buf[10],buf[11]);
|
||
|
|
printf("type =%.2X%.2X\r\n",buf[12],buf[13]);
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
|
||
|
|
default :
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
IINCHIP_WRITE(Sn_CR(s),Sn_CR_RECV);
|
||
|
|
|
||
|
|
/* +20071122[chungs]:wait to process the command... */
|
||
|
|
while( IINCHIP_READ(Sn_CR(s)) )
|
||
|
|
;
|
||
|
|
/* ------- */
|
||
|
|
}
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("recvfrom() end ..\r\n");
|
||
|
|
#endif
|
||
|
|
return data_len;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
uint16 igmpsend(SOCKET s, const uint8 * buf, uint16 len)
|
||
|
|
{
|
||
|
|
uint8 status=0;
|
||
|
|
// uint8 isr=0;
|
||
|
|
uint16 ret=0;
|
||
|
|
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("igmpsend()\r\n");
|
||
|
|
#endif
|
||
|
|
if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size.
|
||
|
|
else ret = len;
|
||
|
|
|
||
|
|
if (ret == 0)
|
||
|
|
{
|
||
|
|
;
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("%d Fail[%d]\r\n",len);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// copy data
|
||
|
|
send_data_processing(s, (uint8 *)buf, ret);
|
||
|
|
IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND);
|
||
|
|
/* +2008.01 bj */
|
||
|
|
while( IINCHIP_READ(Sn_CR(s)) )
|
||
|
|
;
|
||
|
|
/* ------- */
|
||
|
|
|
||
|
|
/* +2008.01 bj */
|
||
|
|
#ifdef __DEF_IINCHIP_INT__
|
||
|
|
while ( (getISR(s) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
|
||
|
|
#else
|
||
|
|
while ( (IINCHIP_READ(Sn_IR(s)) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
status = IINCHIP_READ(Sn_SR(s));
|
||
|
|
#ifdef __DEF_IINCHIP_INT__
|
||
|
|
if (getISR(s) & Sn_IR_TIMEOUT)
|
||
|
|
#else
|
||
|
|
if (IINCHIP_READ(Sn_IR(s)) & Sn_IR_TIMEOUT)
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
#ifdef __DEF_IINCHIP_DBG__
|
||
|
|
printf("igmpsend fail.\r\n");
|
||
|
|
#endif
|
||
|
|
/* in case of igmp, if send fails, then socket closed */
|
||
|
|
/* if you want change, remove this code. */
|
||
|
|
close(s);
|
||
|
|
/* ----- */
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* +2008.01 bj */
|
||
|
|
#ifdef __DEF_IINCHIP_INT__
|
||
|
|
putISR(s, getISR(s) & (~Sn_IR_SEND_OK));
|
||
|
|
#else
|
||
|
|
IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|