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;
}
int8_t socket(uint8_t sn, uint8_t protocol, uint16_t port, uint8_t flag)
{
CHECK_SOCKNUM();
switch(protocol)
{
case Sn_MR_TCP :
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;
}
if((flag & 0x06) != 0) return SOCKERR_SOCKFLAG;
#if _WIZCHIP_ == 5200
if(flag & 0x10) return SOCKERR_SOCKFLAG;
#endif
if(flag != 0)
{
switch(protocol)
{
case Sn_MR_TCP:
if((flag & (SF_TCP_NODELAY|SF_IO_NONBLOCK))==0) return SOCKERR_SOCKFLAG;
break;
case Sn_MR_UDP:
if(flag & SF_IGMP_VER2)
{
if((flag & SF_MULTI_ENABLE)==0) return SOCKERR_SOCKFLAG;
}
#if _WIZCHIP_ == 5500
if(flag & SF_UNI_BLOCK)
{
if((flag & SF_MULTI_ENABLE) == 0) return SOCKERR_SOCKFLAG;
}
#endif
break;
default:
break;
}
}
close(sn);
setSn_MR(sn, (protocol | (flag & 0xF0)));
if(!port)
{
port = sock_any_port++;
if(sock_any_port == 0xFFF0) sock_any_port = SOCK_ANY_PORT_NUM;
}
setSn_PORT(sn,port);
setSn_CR(sn,Sn_CR_OPEN);
while(getSn_CR(sn));
//mgg1010 line below added - without it, if a socket is re-used, it may inherit the previous
// value of NONBLOCK
sock_io_mode &= ~(1 << sn);
sock_io_mode |= ((flag & SF_IO_NONBLOCK) << sn);
sock_is_sending &= ~(1<<sn);
sock_remained_size[sn] = 0;
sock_pack_info[sn] = 0;
while(getSn_SR(sn) == SOCK_CLOSED);
return (int8_t)sn;
}
int8_t socket(uint8_t sn, uint8_t protocol, uint16_t port, uint8_t flag)
{
CHECK_SOCKNUM();
switch(protocol)
{
case Sn_MR_TCP :
{
//M20150601 : Fixed the warning - taddr will never be NULL
/*
uint8_t taddr[4];
getSIPR(taddr);
*/
uint32_t taddr;
getSIPR((uint8_t*)&taddr);
if(taddr == 0) return SOCKERR_SOCKINIT;
}
case Sn_MR_UDP :
case Sn_MR_MACRAW :
case Sn_MR_IPRAW :
break;
#if ( _WIZCHIP_ < 5200 )
case Sn_MR_PPPoE :
break;
#endif
default :
return SOCKERR_SOCKMODE;
}
//M20150601 : For SF_TCP_ALIGN & W5300
//if((flag & 0x06) != 0) return SOCKERR_SOCKFLAG;
if((flag & 0x04) != 0) return SOCKERR_SOCKFLAG;
#if _WIZCHIP_ == 5200
if(flag & 0x10) return SOCKERR_SOCKFLAG;
#endif
if(flag != 0)
{
switch(protocol)
{
case Sn_MR_TCP:
//M20150601 : For SF_TCP_ALIGN & W5300
#if _WIZCHIP_ == 5300
if((flag & (SF_TCP_NODELAY|SF_IO_NONBLOCK|SF_TCP_ALIGN))==0) return SOCKERR_SOCKFLAG;
#else
if((flag & (SF_TCP_NODELAY|SF_IO_NONBLOCK))==0) return SOCKERR_SOCKFLAG;
#endif
break;
case Sn_MR_UDP:
if(flag & SF_IGMP_VER2)
{
if((flag & SF_MULTI_ENABLE)==0) return SOCKERR_SOCKFLAG;
}
#if _WIZCHIP_ == 5500
if(flag & SF_UNI_BLOCK)
{
if((flag & SF_MULTI_ENABLE) == 0) return SOCKERR_SOCKFLAG;
}
#endif
break;
default:
break;
}
}
close(sn);
//M20150601
#if _WIZCHIP_ == 5300
setSn_MR(sn, ((uint16_t)(protocol | (flag & 0xF0))) | (((uint16_t)(flag & 0x02)) << 7) );
#else
setSn_MR(sn, (protocol | (flag & 0xF0)));
#endif
if(!port)
{
port = sock_any_port++;
if(sock_any_port == 0xFFF0) sock_any_port = SOCK_ANY_PORT_NUM;
}
setSn_PORT(sn,port);
setSn_CR(sn,Sn_CR_OPEN);
while(getSn_CR(sn));
//A20150401 : For release the previous sock_io_mode
sock_io_mode &= ~(1 <<sn);
//
sock_io_mode |= ((flag & SF_IO_NONBLOCK) << sn);
sock_is_sending &= ~(1<<sn);
sock_remained_size[sn] = 0;
//M20150601 : repalce 0 with PACK_COMPLETED
//sock_pack_info[sn] = 0;
sock_pack_info[sn] = PACK_COMPLETED;
//
while(getSn_SR(sn) == SOCK_CLOSED);
return (int8_t)sn;
}