public int SendIGMP(byte[] buf, int len)
{
byte s = _scoket_number;
byte status = 0;
// uint8 isr=0;
int ret = 0;
if (len > W5100.GetTxMAX(s))
{
ret = W5100.GetTxMAX(s); // check size not to exceed MAX size.
}
else
{
ret = len;
}
if (ret != 0)
{
// copy data
W5100.SendDataProc(s, buf, ret);
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_SEND);
/* +2008.01 bj */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
while ((W5100.IINCHIP_READ(s, W5100.SocketRegisters.IR) & (byte)IR_val.Sn_IR_SEND_OK) != (byte)IR_val.Sn_IR_SEND_OK)
{
status = W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR);
if ((W5100.IINCHIP_READ(s, W5100.SocketRegisters.IR) & (byte)IR_val.Sn_IR_TIMEOUT) != 0)
{
Debug.Print("igmpsend fail.\r\n");
Close();
return(0);
}
}
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.IR, (byte)IR_val.Sn_IR_SEND_OK);
}
return(ret);
}
/// <summary>
/// This function is an application I/F function which is used to send the data for other then TCP mode.
/// Unlike TCP transmission, The peer's destination address and the port is needed.
/// </summary>
/// <param name="buf">a pointer to the data</param>
/// <param name="len">the data size to send</param>
/// <param name="addr">the peer's Destination IP address </param>
/// <param name="port">the peer's destination port number </param>
/// <returns>This function return send data size for success else -1</returns>
public int Sendto(
byte [] buf,
int len,
byte[] addr,
UInt16 port
)
{
// uint8 status=0;
// uint8 isr=0;
byte s = _scoket_number;
int ret = 0;
if (len > W5100.GetTxMAX(s))
{
ret = W5100.GetTxMAX(s); // check size not to exceed MAX size.
}
else
{
ret = len;
}
if
(
((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
((port == 0x00)) || (len == 0)
)
{
/* +2008.01 [bj] : added return value */
//#ifdef __DEF_IINCHIP_DBG__
// printf("%d Fail[%.2x.%.2x.%.2x.%.2x, %.d, %d]\r\n",s, addr[0], addr[1], addr[2], addr[3] , port, len);
throw new Exception("Fail[invalid ip,port]\r\n");
//#endif
}
else
{
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.DIPR0, addr[0]);
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.DIPR0 + 1), addr[1]);
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.DIPR0 + 2), addr[2]);
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.DIPR0 + 3), addr[3]);
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.DPORT0, (byte)((port & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.DPORT0 + 1), (byte)(port & 0x00ff));
// copy data
W5100.SendDataProc(s, buf, ret);
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_SEND);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
while ((W5100.IINCHIP_READ(s, W5100.SocketRegisters.IR) & (byte)IR_val.Sn_IR_SEND_OK) != (byte)IR_val.Sn_IR_SEND_OK)
{
if ((W5100.IINCHIP_READ(s, W5100.SocketRegisters.IR) & (byte)IR_val.Sn_IR_TIMEOUT) != 0)
//#endif
{
//#ifdef __DEF_IINCHIP_DBG__
Debug.Print("send fail.\r\n");
//#endif
/* +2008.01 [bj]: clear interrupt */
//#ifdef __DEF_IINCHIP_INT__
// putISR(s, getISR(s) & ~(Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); /* clear SEND_OK & TIMEOUT */
//#else
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.IR, (byte)(IR_val.Sn_IR_SEND_OK | IR_val.Sn_IR_TIMEOUT)); /* clear SEND_OK & TIMEOUT */
//#endif
return(0);
}
}
/* +2008.01 bj */
//#ifdef __DEF_IINCHIP_INT__
// putISR(s, getISR(s) & (~Sn_IR_SEND_OK));
//#else
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.IR, (byte)IR_val.Sn_IR_SEND_OK);
//#endif
}
return(ret);
}
/// <summary>
/// This function used to send the data in TCP mode
/// </summary>
/// <param name="buf">a pointer to data</param>
/// <param name="len">the data size to be send</param>
/// <returns>returns 1 if succeeded</returns>
public int Send(
byte [] buf,
int len
)
{
byte s = _scoket_number;
byte status = 0;
int freesize = 0;
int ret;
if (len > W5100.GetTxMAX(s))
{
ret = W5100.GetTxMAX(s); // check size not to exceed MAX size.
}
else
{
ret = len;
}
// if freebuf is available, start.
do
{
freesize = W5100.Get_TX_FSR(s);
status = W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR);
if ((status != (byte)SR_val.SOCK_ESTABLISHED) && (status != (byte)SR_val.SOCK_CLOSE_WAIT))
{
ret = 0;
break;
}
Debug.Print("socket " + s.ToString() + " freesize(" + freesize.ToString() + " empty or error");
} while (freesize < ret);
// copy data
W5100.SendDataProc(s, buf, ret);
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_SEND);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
/* +2008.01 bj */
//#ifdef __DEF_IINCHIP_INT__
// while ( (getISR(s) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK )
//#else
while ((W5100.IINCHIP_READ(s, W5100.SocketRegisters.IR) & (byte)IR_val.Sn_IR_SEND_OK) != (byte)IR_val.Sn_IR_SEND_OK)
//#endif
{
/* m2008.01 [bj] : reduce code */
if (W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR) == (byte)SR_val.SOCK_CLOSED)
{
Debug.Print("SOCK_CLOSED.\r\n");
Close();
return(0);
}
}
/* +2008.01 bj */
//#ifdef __DEF_IINCHIP_INT__
// putISR(s, getISR(s) & (~Sn_IR_SEND_OK));
//#else
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.IR, (byte)IR_val.Sn_IR_SEND_OK);
//#endif
return(ret);
}