/// <summary>
/// This function established the connection for the channel in Active (client) mode.
/// This function waits for the untill the connection is established.
/// </summary>
/// <param name="addr"> Destination IP address</param>
/// <param name="port"> Destination Port</param>
public void Connect(byte[] addr, UInt16 port)
{
byte s = _scoket_number;
if (
((addr[0] == 0xFF) && (addr[1] == 0xFF) && (addr[2] == 0xFF) && (addr[3] == 0xFF)) ||
((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) ||
(port == 0x00))
{
throw new Exception("Fail[invalid ip,port]\r\n");
}
else
{
// set destination IP
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));
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_CONNECT);
/* m2008.01 [bj] : wait for completion */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR) != (byte)SR_val.SOCK_ESTABLISHED)
{
;
}
}
}
/// <summary>
/// This function used for disconnect the socket
/// </summary>
public void Disconnect()
{
byte s = _scoket_number;
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_DISCON);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
}
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 Socket function initialize the channel in perticular mode, and set the port and wait for W5100 done it.
/// </summary>
/// <param name="s">for socket number</param>
/// <param name="protocol">for socket protocol</param>
/// <param name="port">the source port for the socket</param>
/// <param name="flag">the option for the socket</param>
public uSocket(byte s, Protocol protocol, UInt16 port, byte flag)
{
if (Socket[s] == true)
{
throw new Exception("Socket" + s.ToString() + " is in use");
}
if ((protocol == Protocol.Sn_MR_TCP) || (protocol == Protocol.Sn_MR_UDP) || (protocol == Protocol.Sn_MR_IPRAW) || (protocol == Protocol.Sn_MR_MACRAW))
{
_scoket_number = s;
this.Close();//why do we close it?
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.MR, (byte)((byte)protocol | flag));
if (port != 0)
{
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.PORT0, (byte)((port & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.PORT0 + 1, (byte)(port & 0x00ff));
}
else
{
local_port++; // if don't set the source port, set local_port number.
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.PORT0, (byte)((local_port & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.PORT0 + 1, (byte)(local_port & 0x00ff));
}
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_OPEN); // run sockinit Sn_CR
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
_scoket_number = s;
Socket[s] = true;
}
else
{
throw new Exception("Failed");
}
Debug.Print("Sn_SR = " + W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR).ToString() + " Protocol = " + W5100.IINCHIP_READ(s, W5100.SocketRegisters.MR).ToString());
}
/// <summary>
/// This function established the connection for the channel in passive (server) mode. This function waits for the request from the peer.
/// </summary>
public bool Listen()
{
byte s = _scoket_number;
if (W5100.IINCHIP_READ(s, W5100.SocketRegisters.SR) == (byte)SR_val.SOCK_INIT)
{
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_LISTEN);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
return(true);
}
else
{
return(false);
//new Exception("Fail[invalid ip,port]\r\n");
}
}
/// <summary>
/// This function is an application I/F function which is used to receive the data in TCP mode.
/// It continues to wait for data as much as the application wants to receive.
/// </summary>
/// <param name="buf">a pointer to copy the data to be received</param>
/// <param name="len">the data size to be read</param>
/// <returns>received data size for success else -1.</returns>
public int recv(
byte [] buf,
int len
)
{
byte s = _scoket_number;
int ret = 0;
if (len > 0)
{
W5100.RecvDataProc(s, buf, len);
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_RECV);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
ret = len;
}
return(ret);
}
/// <summary>
/// This function close the socket
/// </summary>
public void Close()
{
byte s = _scoket_number;
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_CLOSE);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
/* +2008.01 [hwkim]: clear interrupt */
//#ifdef __DEF_IINCHIP_INT__
/* m2008.01 [bj] : all clear */
// putISR(s, 0x00);
//#else
/* m2008.01 [bj] : all clear */
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.IR, 0xFF);
//#endif
_scoket_number = 100;
Socket[s] = false;
}
/// <summary>
/// This function is an application I/F function which is used to receive the data in other then
/// TCP mode. This function is used to receive UDP, IP_RAW and MAC_RAW mode, and handle the header as well.
/// </summary>
/// <param name="buf">a pointer to the copy data to be received</param>
/// <param name="len">the data size to read</param>
/// <param name="addr">a pointer to store the peer's IP address</param>
/// <param name="port">a pointer to store the peer's port number.</param>
/// <returns>received data size for success else -1</returns>
public int recvfrom(
byte [] buf,
int len,
byte [] addr,
UInt16 [] port
)
{
byte s = _scoket_number;
int data_len = 0;
int ptr = 0;
if (len > 0)
{
ptr = W5100.IINCHIP_READ(s, W5100.SocketRegisters.RX_RD0);
ptr = ((ptr & 0x00ff) << 8) + W5100.IINCHIP_READ(s, W5100.SocketRegisters.RX_RD0 + 1);
//#ifdef __DEF_IINCHIP_DBG__
//Debug.Print("ISR_RX: rd_ptr : %.4x\r\n", ptr);
//#endif
switch (W5100.IINCHIP_READ(s, W5100.SocketRegisters.MR) & 0x07)
{
case (int)Protocol.Sn_MR_UDP:
W5100.ReadData(s, ptr, head, 0x08);
ptr += 8;
// read peer's IP address, port number.
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
port[0] = head[4];
port[0] = (UInt16)((port[0] << 8) + head[5]);
data_len = head[6];
data_len = (data_len << 8) + head[7];
Debug.Print("UDP msg arrived\r\n");
W5100.ReadData(s, ptr, buf, data_len); // data copy.
ptr += data_len;
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.RX_RD0, (byte)((ptr & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.RX_RD0 + 1), (byte)(ptr & 0x00ff));
break;
case (int)Protocol.Sn_MR_IPRAW:
W5100.ReadData(s, ptr, head, 0x06);
ptr += 6;
addr[0] = head[0];
addr[1] = head[1];
addr[2] = head[2];
addr[3] = head[3];
data_len = head[4];
data_len = (data_len << 8) + head[5];
Debug.Print("IP RAW msg arrived\r\n");
W5100.ReadData(s, ptr, buf, data_len); // data copy.
ptr += data_len;
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.RX_RD0, (byte)((ptr & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.RX_RD0 + 1), (byte)(ptr & 0x00ff));
break;
case (int)Protocol.Sn_MR_MACRAW:
W5100.ReadData(s, ptr, head, 2);
ptr += 2;
data_len = head[0];
data_len = (data_len << 8) + head[1] - 2;
W5100.ReadData(s, ptr, buf, data_len);
ptr += data_len;
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.RX_RD0, (byte)((ptr & 0xff00) >> 8));
W5100.IINCHIP_WRITE(s, (W5100.SocketRegisters.RX_RD0 + 1), (byte)(ptr & 0x00ff));
Debug.Print("MAC RAW msg arrived\r\n");
//printf("dest mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[0],buf[1],buf[2],buf[3],buf[4],buf[5]);
//printf("src mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[6],buf[7],buf[8],buf[9],buf[10],buf[11]);
//printf("type =%.2X%.2X\r\n",buf[12],buf[13]);
break;
default:
break;
}
W5100.IINCHIP_WRITE(s, W5100.SocketRegisters.CR, (byte)CR_val.Sn_CR_RECV);
/* +20071122[chungs]:wait to process the command... */
while (W5100.IINCHIP_READ(s, W5100.SocketRegisters.CR) != 0)
{
;
}
/* ------- */
}
return(data_len);
}
/// <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);
}