int8_t getsockopt(uint8_t sn, sockopt_type sotype, void* arg)
{
CHECK_SOCKNUM();
switch(sotype)
{
case SO_FLAG:
*(uint8_t*)arg = getSn_MR(sn) & 0xF0;
break;
case SO_TTL:
*(uint8_t*) arg = getSn_TTL(sn);
break;
case SO_TOS:
*(uint8_t*) arg = getSn_TOS(sn);
break;
case SO_MSS:
*(uint16_t*) arg = getSn_MSSR(sn);
break;
case SO_DESTIP:
getSn_DIPR(sn, (uint8_t*)arg);
break;
case SO_DESTPORT:
*(uint16_t*) arg = getSn_DPORT(sn);
break;
#if _WIZCHIP_ > 5200
case SO_KEEPALIVEAUTO:
CHECK_SOCKMODE(Sn_MR_TCP);
*(uint16_t*) arg = getSn_KPALVTR(sn);
break;
#endif
case SO_SENDBUF:
*(uint16_t*) arg = getSn_TX_FSR(sn);
break;
case SO_RECVBUF:
*(uint16_t*) arg = getSn_RX_RSR(sn);
break;
case SO_STATUS:
*(uint8_t*) arg = getSn_SR(sn);
break;
case SO_REMAINSIZE:
if(getSn_MR(sn) & Sn_MR_TCP)
*(uint16_t*)arg = getSn_RX_RSR(sn);
else
*(uint16_t*)arg = sock_remained_size[sn];
break;
case SO_PACKINFO:
//CHECK_SOCKMODE(Sn_MR_TCP);
#if _WIZCHIP_ != 5300
if((getSn_MR(sn) == Sn_MR_TCP))
return SOCKERR_SOCKMODE;
#endif
*(uint8_t*)arg = sock_pack_info[sn];
break;
default:
return SOCKERR_SOCKOPT;
}
return SOCK_OK;
}
STATIC err_t wiznet5k_netif_init(struct netif *netif) {
netif->linkoutput = wiznet5k_netif_output;
netif->output = etharp_output;
netif->mtu = 1500;
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP;
wiznet5k_get_mac_address(netif->state, netif->hwaddr);
netif->hwaddr_len = sizeof(netif->hwaddr);
int ret = WIZCHIP_EXPORT(socket)(0, Sn_MR_MACRAW, 0, 0);
if (ret != 0) {
printf("WIZNET fatal error in netifinit: %d\n", ret);
return ERR_IF;
}
// Enable MAC filtering so we only get frames destined for us, to reduce load on lwIP
setSn_MR(0, getSn_MR(0) | Sn_MR_MFEN);
return ERR_OK;
}
int8_t close(uint8_t sn)
{
CHECK_SOCKNUM();
//A20160426 : Applied the erratum 1 of W5300
#if (_WIZCHIP_ == 5300)
//M20160503 : Wrong socket parameter. s -> sn
//if( ((getSn_MR(s)& 0x0F) == Sn_MR_TCP) && (getSn_TX_FSR(s) != getSn_TxMAX(s)) )
if( ((getSn_MR(sn)& 0x0F) == Sn_MR_TCP) && (getSn_TX_FSR(sn) != getSn_TxMAX(sn)) )
{
uint8_t destip[4] = {0, 0, 0, 1};
// TODO
// You can wait for completing to sending data;
// wait about 1 second;
// if you have completed to send data, skip the code of erratum 1
// ex> wait_1s();
// if (getSn_TX_FSR(s) == getSn_TxMAX(s)) continue;
//
//M20160503 : The socket() of close() calls close() itself again. It occures a infinite loop - close()->socket()->close()->socket()-> ~
//socket(s,Sn_MR_UDP,0x3000,0);
//sendto(s,destip,1,destip,0x3000); // send the dummy data to an unknown destination(0.0.0.1).
setSn_MR(sn,Sn_MR_UDP);
setSn_PORTR(sn, 0x3000);
setSn_CR(sn,Sn_CR_OPEN);
while(getSn_CR(sn) != 0);
while(getSn_SR(sn) != SOCK_UDP);
sendto(sn,destip,1,destip,0x3000); // send the dummy data to an unknown destination(0.0.0.1).
};
#endif
setSn_CR(sn,Sn_CR_CLOSE);
/* wait to process the command... */
while( getSn_CR(sn) );
/* clear all interrupt of the socket. */
setSn_IR(sn, 0xFF);
//A20150401 : Release the sock_io_mode of socket n.
sock_io_mode &= ~(1<<sn);
//
sock_is_sending &= ~(1<<sn);
sock_remained_size[sn] = 0;
sock_pack_info[sn] = 0;
while(getSn_SR(sn) != SOCK_CLOSED);
return SOCK_OK;
}
int32_t recvfrom(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port)
{
uint8_t mr;
uint8_t head[8];
uint16_t pack_len=0;
CHECK_SOCKNUM();
//CHECK_SOCKMODE(Sn_MR_UDP);
switch((mr=getSn_MR(sn)) & 0x0F)
{
case Sn_MR_UDP:
case Sn_MR_MACRAW:
break;
#if ( _WIZCHIP_ < 5200 )
case Sn_MR_IPRAW:
case Sn_MR_PPPoE:
break;
#endif
default:
return SOCKERR_SOCKMODE;
}
CHECK_SOCKDATA();
if(sock_remained_size[sn] == 0)
{
while(1)
{
pack_len = getSn_RX_RSR(sn);
if(getSn_SR(sn) == SOCK_CLOSED) return SOCKERR_SOCKCLOSED;
if( (sock_io_mode & (1<<sn)) && (pack_len == 0) ) return SOCK_BUSY;
if(pack_len != 0) break;
};
}
sock_pack_info[sn] = PACK_COMPLETED;
switch (mr & 0x07)
{
case Sn_MR_UDP :
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 8);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
// read peer's IP address, port number & packet length
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
*port = head[4];
*port = (*port << 8) + head[5];
sock_remained_size[sn] = head[6];
sock_remained_size[sn] = (sock_remained_size[sn] << 8) + head[7];
sock_pack_info[sn] = PACK_FIRST;
}
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
//
// Need to packet length check (default 1472)
//
wiz_recv_data(sn, buf, pack_len); // data copy.
break;
case Sn_MR_MACRAW :
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 2);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
// read peer's IP address, port number & packet length
sock_remained_size[sn] = head[0];
sock_remained_size[sn] = (sock_remained_size[sn] <<8) + head[1];
if(sock_remained_size[sn] > 1514)
{
close(sn);
return SOCKFATAL_PACKLEN;
}
sock_pack_info[sn] = PACK_FIRST;
}
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
wiz_recv_data(sn,buf,pack_len);
break;
#if ( _WIZCHIP_ < 5200 )
case Sn_MR_IPRAW:
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 6);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
sock_remained_size[sn] = head[4];
sock_remaiend_size[sn] = (sock_remained_size[sn] << 8) + head[5];
sock_pack_info[sn] = PACK_FIRST;
}
//
// Need to packet length check
//
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
wiz_recv_data(sn, buf, pack_len); // data copy.
break;
#endif
default:
wiz_recv_ignore(sn, pack_len); // data copy.
sock_remained_size[sn] = pack_len;
break;
}
setSn_CR(sn,Sn_CR_RECV);
/* wait to process the command... */
while(getSn_CR(sn)) ;
sock_remained_size[sn] -= pack_len;
if(sock_remained_size[sn] != 0) sock_pack_info[sn] |= 0x01;
return pack_len;
}
int32_t sendto(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port)
{
uint8_t tmp = 0;
uint16_t freesize = 0;
CHECK_SOCKNUM();
switch(getSn_MR(sn) & 0x0F)
{
case Sn_MR_UDP:
case Sn_MR_MACRAW:
break;
default:
return SOCKERR_SOCKMODE;
}
CHECK_SOCKDATA();
if(*((uint32_t*)addr) == 0) return SOCKERR_IPINVALID;
if(port == 0) return SOCKERR_PORTZERO;
tmp = getSn_SR(sn);
if(tmp != SOCK_MACRAW && tmp != SOCK_UDP) return SOCKERR_SOCKSTATUS;
setSn_DIPR(sn,addr);
setSn_DPORT(sn,port);
freesize = getSn_TxMAX(sn);
if (len > freesize) len = freesize; // check size not to exceed MAX size.
while(1)
{
freesize = getSn_TX_FSR(sn);
if(getSn_SR(sn) == SOCK_CLOSED) return SOCKERR_SOCKCLOSED;
if( (sock_io_mode & (1<<sn)) && (len > freesize) ) return SOCK_BUSY;
if(len <= freesize) break;
};
wiz_send_data(sn, buf, len);
#if _WIZCHIP_ == 5200 // for W5200 ARP errata
setSUBR(0);
#endif
setSn_CR(sn,Sn_CR_SEND);
/* wait to process the command... */
while(getSn_CR(sn));
#if _WIZCHIP_ == 5200 // for W5200 ARP errata
setSUBR((uint8_t*)"\x00\x00\x00\x00");
#endif
while(1)
{
tmp = getSn_IR(sn);
if(tmp & Sn_IR_SENDOK)
{
setSn_IR(sn, Sn_IR_SENDOK);
break;
}
//M:20131104
//else if(tmp & Sn_IR_TIMEOUT) return SOCKERR_TIMEOUT;
else if(tmp & Sn_IR_TIMEOUT)
{
setSn_IR(sn, Sn_IR_TIMEOUT);
return SOCKERR_TIMEOUT;
}
////////////
}
return len;
}
int32_t recvfrom(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port)
{
//M20150601 : For W5300
#if _WIZCHIP_ == 5300
uint16_t mr;
uint16_t mr1;
#else
uint8_t mr;
#endif
//
uint8_t head[8];
uint16_t pack_len=0;
CHECK_SOCKNUM();
//CHECK_SOCKMODE(Sn_MR_UDP);
//A20150601
#if _WIZCHIP_ == 5300
mr1 = getMR();
#endif
switch((mr=getSn_MR(sn)) & 0x0F)
{
case Sn_MR_UDP:
case Sn_MR_IPRAW:
case Sn_MR_MACRAW:
break;
#if ( _WIZCHIP_ < 5200 )
case Sn_MR_PPPoE:
break;
#endif
default:
return SOCKERR_SOCKMODE;
}
CHECK_SOCKDATA();
if(sock_remained_size[sn] == 0)
{
while(1)
{
pack_len = getSn_RX_RSR(sn);
if(getSn_SR(sn) == SOCK_CLOSED) return SOCKERR_SOCKCLOSED;
if( (sock_io_mode & (1<<sn)) && (pack_len == 0) ) return SOCK_BUSY;
if(pack_len != 0) break;
};
}
//D20150601 : Move it to bottom
// sock_pack_info[sn] = PACK_COMPLETED;
switch (mr & 0x07)
{
case Sn_MR_UDP :
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 8);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
// read peer's IP address, port number & packet length
//A20150601 : For W5300
#if _WIZCHIP_ == 5300
if(mr1 & MR_FS)
{
addr[0] = head[1];
addr[1] = head[0];
addr[2] = head[3];
addr[3] = head[2];
*port = head[5];
*port = (*port << 8) + head[4];
sock_remained_size[sn] = head[7];
sock_remained_size[sn] = (sock_remained_size[sn] << 8) + head[6];
}
else
{
#endif
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
*port = head[4];
*port = (*port << 8) + head[5];
sock_remained_size[sn] = head[6];
sock_remained_size[sn] = (sock_remained_size[sn] << 8) + head[7];
#if _WIZCHIP_ == 5300
}
#endif
sock_pack_info[sn] = PACK_FIRST;
}
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
//A20150601 : For W5300
len = pack_len;
#if _WIZCHIP_ == 5300
if(sock_pack_info[sn] & PACK_FIFOBYTE)
{
*buf++ = sock_remained_byte[sn];
pack_len -= 1;
sock_remained_size[sn] -= 1;
sock_pack_info[sn] &= ~PACK_FIFOBYTE;
}
#endif
//
// Need to packet length check (default 1472)
//
wiz_recv_data(sn, buf, pack_len); // data copy.
break;
case Sn_MR_MACRAW :
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 2);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
// read peer's IP address, port number & packet length
sock_remained_size[sn] = head[0];
sock_remained_size[sn] = (sock_remained_size[sn] <<8) + head[1] -2;
#if _WIZCHIP_ == W5300
if(sock_remained_size[sn] & 0x01)
sock_remained_size[sn] = sock_remained_size[sn] + 1 - 4;
else
sock_remained_size[sn] -= 4;
#endif
if(sock_remained_size[sn] > 1514)
{
close(sn);
return SOCKFATAL_PACKLEN;
}
sock_pack_info[sn] = PACK_FIRST;
}
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
wiz_recv_data(sn,buf,pack_len);
break;
//#if ( _WIZCHIP_ < 5200 )
case Sn_MR_IPRAW:
if(sock_remained_size[sn] == 0)
{
wiz_recv_data(sn, head, 6);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
sock_remained_size[sn] = head[4];
//M20150401 : For Typing Error
//sock_remaiend_size[sn] = (sock_remained_size[sn] << 8) + head[5];
sock_remained_size[sn] = (sock_remained_size[sn] << 8) + head[5];
sock_pack_info[sn] = PACK_FIRST;
}
//
// Need to packet length check
//
if(len < sock_remained_size[sn]) pack_len = len;
else pack_len = sock_remained_size[sn];
wiz_recv_data(sn, buf, pack_len); // data copy.
break;
//#endif
default:
wiz_recv_ignore(sn, pack_len); // data copy.
sock_remained_size[sn] = pack_len;
break;
}
setSn_CR(sn,Sn_CR_RECV);
/* wait to process the command... */
while(getSn_CR(sn)) ;
sock_remained_size[sn] -= pack_len;
//M20150601 :
//if(sock_remained_size[sn] != 0) sock_pack_info[sn] |= 0x01;
if(sock_remained_size[sn] != 0)
{
sock_pack_info[sn] |= PACK_REMAINED;
#if _WIZCHIP_ == 5300
if(pack_len & 0x01) sock_pack_info[sn] |= PACK_FIFOBYTE;
#endif
}
else sock_pack_info[sn] = PACK_COMPLETED;
#if _WIZCHIP_ == 5300
pack_len = len;
#endif
//
//M20150409 : Explicit Type Casting
//return pack_len;
return (int32_t)pack_len;
}
int32_t sendto(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port)
{
uint8_t tmp = 0;
uint16_t freesize = 0;
uint32_t taddr;
CHECK_SOCKNUM();
switch(getSn_MR(sn) & 0x0F)
{
case Sn_MR_UDP:
case Sn_MR_MACRAW:
// break;
// #if ( _WIZCHIP_ < 5200 )
case Sn_MR_IPRAW:
break;
// #endif
default:
return SOCKERR_SOCKMODE;
}
CHECK_SOCKDATA();
//M20140501 : For avoiding fatal error on memory align mismatched
//if(*((uint32_t*)addr) == 0) return SOCKERR_IPINVALID;
//{
//uint32_t taddr;
taddr = ((uint32_t)addr[0]) & 0x000000FF;
taddr = (taddr << 8) + ((uint32_t)addr[1] & 0x000000FF);
taddr = (taddr << 8) + ((uint32_t)addr[2] & 0x000000FF);
taddr = (taddr << 8) + ((uint32_t)addr[3] & 0x000000FF);
//}
//
//if(*((uint32_t*)addr) == 0) return SOCKERR_IPINVALID;
if((taddr == 0) && ((getSn_MR(sn)&Sn_MR_MACRAW) != Sn_MR_MACRAW)) return SOCKERR_IPINVALID;
if((port == 0) && ((getSn_MR(sn)&Sn_MR_MACRAW) != Sn_MR_MACRAW)) return SOCKERR_PORTZERO;
tmp = getSn_SR(sn);
//#if ( _WIZCHIP_ < 5200 )
if((tmp != SOCK_MACRAW) && (tmp != SOCK_UDP) && (tmp != SOCK_IPRAW)) return SOCKERR_SOCKSTATUS;
//#else
// if(tmp != SOCK_MACRAW && tmp != SOCK_UDP) return SOCKERR_SOCKSTATUS;
//#endif
setSn_DIPR(sn,addr);
setSn_DPORT(sn,port);
freesize = getSn_TxMAX(sn);
if (len > freesize) len = freesize; // check size not to exceed MAX size.
while(1)
{
freesize = getSn_TX_FSR(sn);
if(getSn_SR(sn) == SOCK_CLOSED) return SOCKERR_SOCKCLOSED;
if( (sock_io_mode & (1<<sn)) && (len > freesize) ) return SOCK_BUSY;
if(len <= freesize) break;
};
wiz_send_data(sn, buf, len);
#if _WIZCHIP_ < 5500 //M20150401 : for WIZCHIP Errata #4, #5 (ARP errata)
getSIPR((uint8_t*)&taddr);
if(taddr == 0)
{
getSUBR((uint8_t*)&taddr);
setSUBR((uint8_t*)"\x00\x00\x00\x00");
}
else taddr = 0;
#endif
//A20150601 : For W5300
#if _WIZCHIP_ == 5300
setSn_TX_WRSR(sn, len);
#endif
//
setSn_CR(sn,Sn_CR_SEND);
/* wait to process the command... */
while(getSn_CR(sn));
while(1)
{
tmp = getSn_IR(sn);
if(tmp & Sn_IR_SENDOK)
{
setSn_IR(sn, Sn_IR_SENDOK);
break;
}
//M:20131104
//else if(tmp & Sn_IR_TIMEOUT) return SOCKERR_TIMEOUT;
else if(tmp & Sn_IR_TIMEOUT)
{
setSn_IR(sn, Sn_IR_TIMEOUT);
//M20150409 : Fixed the lost of sign bits by type casting.
//len = (uint16_t)SOCKERR_TIMEOUT;
//break;
#if _WIZCHIP_ < 5500 //M20150401 : for WIZCHIP Errata #4, #5 (ARP errata)
if(taddr) setSUBR((uint8_t*)&taddr);
#endif
return SOCKERR_TIMEOUT;
}
////////////
}
#if _WIZCHIP_ < 5500 //M20150401 : for WIZCHIP Errata #4, #5 (ARP errata)
if(taddr) setSUBR((uint8_t*)&taddr);
#endif
//M20150409 : Explicit Type Casting
//return len;
return (int32_t)len;
}
int32_t recv(uint8_t sn, uint8_t * buf, uint16_t len)
{
uint8_t tmp = 0;
uint16_t recvsize = 0;
//A20150601 : For integarating with W5300
#if _WIZCHIP_ == 5300
uint8_t head[2];
uint16_t mr;
#endif
//
CHECK_SOCKNUM();
CHECK_SOCKMODE(Sn_MR_TCP);
CHECK_SOCKDATA();
recvsize = getSn_RxMAX(sn);
if(recvsize < len) len = recvsize;
//A20150601 : For Integrating with W5300
#if _WIZCHIP_ == 5300
//sock_pack_info[sn] = PACK_COMPLETED; // for clear
if(sock_remained_size[sn] == 0)
{
#endif
//
while(1)
{
recvsize = getSn_RX_RSR(sn);
tmp = getSn_SR(sn);
if (tmp != SOCK_ESTABLISHED)
{
if(tmp == SOCK_CLOSE_WAIT)
{
if(recvsize != 0) break;
else if(getSn_TX_FSR(sn) == getSn_TxMAX(sn))
{
close(sn);
return SOCKERR_SOCKSTATUS;
}
}
else
{
close(sn);
return SOCKERR_SOCKSTATUS;
}
}
if((sock_io_mode & (1<<sn)) && (recvsize == 0)) return SOCK_BUSY;
if(recvsize != 0) break;
};
#if _WIZCHIP_ == 5300
}
#endif
//A20150601 : For integrating with W5300
#if _WIZCHIP_ == 5300
if((sock_remained_size[sn] == 0) || (getSn_MR(sn) & Sn_MR_ALIGN))
{
mr = getMR();
if((getSn_MR(sn) & Sn_MR_ALIGN)==0)
{
wiz_recv_data(sn,head,2);
if(mr & MR_FS)
recvsize = (((uint16_t)head[1]) << 8) | ((uint16_t)head[0]);
else
recvsize = (((uint16_t)head[0]) << 8) | ((uint16_t)head[1]);
sock_pack_info[sn] = PACK_FIRST;
}
sock_remained_size[sn] = recvsize;
}
if(len > sock_remained_size[sn]) len = sock_remained_size[sn];
recvsize = len;
if(sock_pack_info[sn] & PACK_FIFOBYTE)
{
*buf = sock_remained_byte[sn];
buf++;
sock_pack_info[sn] &= ~(PACK_FIFOBYTE);
recvsize -= 1;
sock_remained_size[sn] -= 1;
}
if(recvsize != 0)
{
wiz_recv_data(sn, buf, recvsize);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
}
sock_remained_size[sn] -= recvsize;
if(sock_remained_size[sn] != 0)
{
sock_pack_info[sn] |= PACK_REMAINED;
if(recvsize & 0x1) sock_pack_info[sn] |= PACK_FIFOBYTE;
}
else sock_pack_info[sn] = PACK_COMPLETED;
if(getSn_MR(sn) & Sn_MR_ALIGN) sock_remained_size[sn] = 0;
//len = recvsize;
#else
if(recvsize < len) len = recvsize;
wiz_recv_data(sn, buf, len);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
#endif
//M20150409 : Explicit Type Casting
//return len;
return (int32_t)len;
}
int32_t WIZCHIP_EXPORT(sendto)(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port)
{
uint8_t tmp = 0;
uint16_t freesize = 0;
CHECK_SOCKNUM();
switch(getSn_MR(sn) & 0x0F)
{
case Sn_MR_UDP:
case Sn_MR_MACRAW:
break;
default:
return SOCKERR_SOCKMODE;
}
CHECK_SOCKDATA();
//M20140501 : For avoiding fatal error on memory align mismatched
//if(*((uint32_t*)addr) == 0) return SOCKERR_IPINVALID;
{
uint32_t taddr;
taddr = ((uint32_t)addr[0]) & 0x000000FF;
taddr = (taddr << 8) + ((uint32_t)addr[1] & 0x000000FF);
taddr = (taddr << 8) + ((uint32_t)addr[2] & 0x000000FF);
taddr = (taddr << 8) + ((uint32_t)addr[3] & 0x000000FF);
if (taddr == 0xFFFFFFFF || taddr == 0) return SOCKERR_IPINVALID;
}
//
if(port == 0) return SOCKERR_PORTZERO;
tmp = getSn_SR(sn);
if(tmp != SOCK_MACRAW && tmp != SOCK_UDP) return SOCKERR_SOCKSTATUS;
setSn_DIPR(sn,addr);
setSn_DPORT(sn,port);
freesize = getSn_TxMAX(sn);
if (len > freesize) len = freesize; // check size not to exceed MAX size.
while(1)
{
freesize = getSn_TX_FSR(sn);
if(getSn_SR(sn) == SOCK_CLOSED) return SOCKERR_SOCKCLOSED;
if( (sock_io_mode & (1<<sn)) && (len > freesize) ) return SOCK_BUSY;
if(len <= freesize) break;
MICROPY_THREAD_YIELD();
};
wiz_send_data(sn, buf, len);
#if _WIZCHIP_ == 5200 // for W5200 ARP errata
setSUBR(wizchip_getsubn());
#endif
setSn_CR(sn,Sn_CR_SEND);
/* wait to process the command... */
while(getSn_CR(sn));
while(1)
{
tmp = getSn_IR(sn);
if(tmp & Sn_IR_SENDOK)
{
setSn_IR(sn, Sn_IR_SENDOK);
break;
}
//M:20131104
//else if(tmp & Sn_IR_TIMEOUT) return SOCKERR_TIMEOUT;
else if(tmp & Sn_IR_TIMEOUT)
{
setSn_IR(sn, Sn_IR_TIMEOUT);
#if _WIZCHIP_ == 5200 // for W5200 ARP errata
setSUBR((uint8_t*)"\x00\x00\x00\x00");
#endif
return SOCKERR_TIMEOUT;
}
////////////
MICROPY_THREAD_YIELD();
}
#if _WIZCHIP_ == 5200 // for W5200 ARP errata
setSUBR((uint8_t*)"\x00\x00\x00\x00");
#endif
return len;
}