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;
}
