int32_t WIZCHIP_EXPORT(recv)(uint8_t sn, uint8_t * buf, uint16_t len)
{
uint8_t tmp = 0;
uint16_t recvsize = 0;
CHECK_SOCKNUM();
CHECK_SOCKMODE(Sn_MR_TCP);
CHECK_SOCKDATA();
recvsize = getSn_RxMAX(sn);
if(recvsize < len) len = recvsize;
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))
{
// dpgeorge: Getting here seems to be an orderly shutdown of the
// socket, and trying to get POSIX behaviour we return 0 because:
// "If no messages are available to be received and the peer has per‐
// formed an orderly shutdown, recv() shall return 0".
// TODO this return value clashes with SOCK_BUSY in non-blocking mode.
WIZCHIP_EXPORT(close)(sn);
return 0;
}
}
else
{
WIZCHIP_EXPORT(close)(sn);
return SOCKERR_SOCKSTATUS;
}
}
if((sock_io_mode & (1<<sn)) && (recvsize == 0)) return SOCK_BUSY;
if(recvsize != 0) break;
MICROPY_THREAD_YIELD();
};
if(recvsize < len) len = recvsize;
wiz_recv_data(sn, buf, len);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
return len;
}
int8_t ctlsocket(uint8_t sn, ctlsock_type cstype, void* arg)
{
uint8_t tmp = 0;
CHECK_SOCKNUM();
switch(cstype)
{
case CS_SET_IOMODE:
tmp = *((uint8_t*)arg);
if(tmp == SOCK_IO_NONBLOCK) sock_io_mode |= (1<<sn);
else if(tmp == SOCK_IO_BLOCK) sock_io_mode &= ~(1<<sn);
else return SOCKERR_ARG;
break;
case CS_GET_IOMODE:
//M20140501 : implict type casting -> explict type casting
//*((uint8_t*)arg) = (sock_io_mode >> sn) & 0x0001;
*((uint8_t*)arg) = (uint8_t)((sock_io_mode >> sn) & 0x0001);
//
break;
case CS_GET_MAXTXBUF:
*((uint16_t*)arg) = getSn_TxMAX(sn);
break;
case CS_GET_MAXRXBUF:
*((uint16_t*)arg) = getSn_RxMAX(sn);
break;
case CS_CLR_INTERRUPT:
if( (*(uint8_t*)arg) > SIK_ALL) return SOCKERR_ARG;
setSn_IR(sn,*(uint8_t*)arg);
break;
case CS_GET_INTERRUPT:
*((uint8_t*)arg) = getSn_IR(sn);
break;
#if _WIZCHIP_ != 5100
case CS_SET_INTMASK:
if( (*(uint8_t*)arg) > SIK_ALL) return SOCKERR_ARG;
setSn_IMR(sn,*(uint8_t*)arg);
break;
case CS_GET_INTMASK:
*((uint8_t*)arg) = getSn_IMR(sn);
break;
#endif
default:
return SOCKERR_ARG;
}
return SOCK_OK;
}
int32_t recv(uint8_t sn, uint8_t * buf, uint16_t len)
{
uint8_t tmp = 0;
uint16_t recvsize = 0;
CHECK_SOCKNUM();
CHECK_SOCKMODE(Sn_MR_TCP);
CHECK_SOCKDATA();
recvsize = getSn_RxMAX(sn);
if(recvsize < len) len = recvsize;
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;
HAL_Delay(1);
};
if(recvsize < len) len = recvsize;
wiz_recv_data(sn, buf, len);
setSn_CR(sn,Sn_CR_RECV);
while(getSn_CR(sn));
return len;
}
int8_t ctlsocket(uint8_t sn, ctlsock_type cstype, void* arg)
{
uint8_t tmp = 0;
CHECK_SOCKNUM();
switch(cstype)
{
case CS_SET_IOMODE:
tmp = *((uint8_t*)arg);
if(tmp == SOCK_IO_NONBLOCK) sock_io_mode |= (1<<sn);
else if(tmp == SOCK_IO_BLOCK) sock_io_mode &= ~(1<<sn);
else return SOCKERR_ARG;
break;
case CS_GET_IOMODE:
*((uint8_t*)arg) = (sock_io_mode >> sn) & 0x0001;
break;
case CS_GET_MAXTXBUF:
*((uint16_t*)arg) = getSn_TxMAX(sn);
break;
case CS_GET_MAXRXBUF:
*((uint16_t*)arg) = getSn_RxMAX(sn);
break;
case CS_CLR_INTERRUPT:
if( (*(uint8_t*)arg) > SIK_ALL) return SOCKERR_ARG;
setSn_IR(sn,*(uint8_t*)arg);
break;
case CS_GET_INTERRUPT:
*((uint8_t*)arg) = getSn_IR(sn);
break;
case CS_SET_INTMASK:
if( (*(uint8_t*)arg) > SIK_ALL) return SOCKERR_ARG;
setSn_IMR(sn,*(uint8_t*)arg);
break;
case CS_GET_INTMASK:
*((uint8_t*)arg) = getSn_IMR(sn);
default:
return SOCKERR_ARG;
}
return SOCK_OK;
}
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;
}
