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#include "tcp.h" |
#include "tcp.h" |
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bit bIsDhcpUp = 0; |
bit bIsDhcpUp = 0; |
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char netlevel = 0; |
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// All TFTP command statuts display will be done on first line of LCD. |
// All TFTP command statuts display will be done on first line of LCD. |
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//#define TFTP_COMMAND_DISPLAY_LINE 0 |
//#define TFTP_COMMAND_DISPLAY_LINE 0 |
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#define TFTP_COMMAND_RESULT_POSITION 15 |
#define TFTP_COMMAND_RESULT_POSITION 15 |
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#define STARTUP_MSG "G1_Build_0x00" |
/*#define STARTUP_MSG "G1_Build_0x00" |
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ROM char StartupMsg[] = STARTUP_MSG; |
ROM char StartupMsg[] = STARTUP_MSG; |
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// 1234567890123456 |
// 1234567890123456 |
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//ROM char blankLCDLine[] = " "; |
//ROM char blankLCDLine[] = " "; |
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*/ |
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/* |
/* |
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* This is used by other stack elements. |
* This is used by other stack elements. |
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* Main application must define this and initialize it with |
* Main application must define this and initialize it with |
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SockOpen, |
SockOpen, |
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TcpReadyToSend, |
TcpReadyToSend, |
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TcpSend, |
TcpSend, |
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HelloDone, |
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StregkodeDone, |
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SockClosing, |
SockClosing, |
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SockClosed |
SockClosed |
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} NetworkState; |
} NetworkState; |
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{ |
{ |
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state = off; |
state = off; |
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} |
} |
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void network_worker(void) |
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{ |
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TickGet(); |
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StackTask(); |
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} |
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void network_wait(unsigned char n) |
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{ |
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int i; |
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for (i=0; i<n; i++) |
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{ |
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network_worker(); |
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DelayMs(1); |
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} |
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} |
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char network_send_hello( unsigned char termid ) |
char network_send_hello( unsigned char termid ) |
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{ |
{ |
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char error = 0; |
char gotArp = 0; // if gotArp is 0, the embedded haven't talked to the server since boot. |
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char gotArp = 0; |
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static char isBound = 0; |
static char isBound = 0; |
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if ( DHCPIsBound() && isBound == 0 ){ |
while( !DHCPIsBound() && isBound == 0 ) |
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state = DhcpIsBound; |
network_worker(); |
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isBound = 1; |
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} |
// while( state != DhcpIsBound ){ |
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if ( DHCPIsBound() && isBound == 0 ){ |
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state = DhcpIsBound; |
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isBound = 1; |
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// } |
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switch (state) |
} |
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while( state != HelloDone ) |
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{ |
{ |
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case DhcpIsBound: |
switch (state) |
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if ( ARPIsTxReady() && gotArp == 0 ) |
{ |
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state = ArpIsTxReady; |
case DhcpIsBound: |
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else |
if ( ARPIsTxReady() && gotArp == 0 ) |
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state = ArpIsResolved; |
state = ArpIsTxReady; |
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return 0; |
else |
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case ArpIsTxReady: |
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ARPResolve(&rnode.IPAddr); |
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gotArp = 1; |
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state = ArpIsResolved; |
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return 0; |
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case ArpIsResolved: |
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if (ARPIsResolved(&rnode.IPAddr, &rnode.MACAddr) ){ |
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state = SockOpening; |
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return 0; |
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} |
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else{ |
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state = ArpIsResolved; |
state = ArpIsResolved; |
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return 2; // no arp resolved |
break; |
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case ArpIsTxReady: |
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ARPResolve(&rnode.IPAddr); |
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gotArp = 1; |
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state = ArpIsResolved; |
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break; |
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case ArpIsResolved: |
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if ( ARPIsResolved(&rnode.IPAddr, &rnode.MACAddr) ){ |
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state = SockOpening; |
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} |
} |
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break; |
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case SockOpening: |
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tsock1 = TCPConnect (&rnode, 3000); |
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state = SockOpen; |
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break; |
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case SockOpening: |
case SockOpen: |
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tsock1 = TCPConnect (&rnode, 3000); |
if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) ) |
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state = SockOpen; |
state = TcpSend; |
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return 0; |
break; |
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case SockOpen: |
case TcpSend: |
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if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) ) |
TCPPut( tsock1, 0x00 ); |
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state = TcpSend; |
TCPPut( tsock1, termid ); |
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return 0; |
TCPFlush(tsock1); |
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//TCPDiscard( tsock1 ); |
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case TcpSend: |
state = HelloDone; |
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for (i = net_INT; i >= 0; i--) |
network_wait(5); |
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{ |
break; |
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TCPPut(tsock1, termid ); |
} |
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} |
network_worker(); |
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TCPFlush(tsock1); |
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state = TcpReadyToSend; |
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return 0; |
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} |
} |
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return 1; |
return 0; |
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} |
} |
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/* |
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void network_send_hello( unsigned char termid ) |
char network_send_scan_frame( unsigned char stregkode[], unsigned char buflen ) |
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{ |
{ |
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if (DHCPIsBound()) |
while( state != StregkodeDone ) |
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{ |
{ |
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RA3 = 0; |
switch (state) |
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if (sock_open == 0) |
{ |
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{ |
case HelloDone: |
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if (ARPIsTxReady()) |
if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) ) |
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{ |
state = TcpSend; |
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ARPResolve( &rnode.IPAddr); |
case TcpSend: |
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is_resolved = 1; |
TCPPut( tsock1, 0x01 ); |
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} |
for (i = 0; i < buflen; i++) |
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else |
{ |
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{ |
TCPPut(tsock1, stregkode[i] ); |
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if (ARPIsResolved( &rnode.IPAddr, &rnode.MACAddr)) |
} |
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//if (MyArp( &rnode)) |
TCPFlush(tsock1); |
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{ |
state = StregkodeDone; |
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usock1=UDPOpen(2000,&rnode,3000); // socket to send UDP |
break; |
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sock_open=1; |
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} |
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} |
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} |
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} |
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if (UDPIsPutReady(usock1) && datagrams_to_send>0) |
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{ |
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UDPPut( rnode.MACAddr.v[0] ); |
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UDPPut( rnode.MACAddr.v[1] ); |
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UDPPut( rnode.MACAddr.v[2] ); |
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UDPPut( rnode.MACAddr.v[3] ); |
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UDPPut( rnode.MACAddr.v[4] ); |
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UDPPut( rnode.MACAddr.v[5] ); |
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UDPPut('D'); |
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UDPPut('a'); |
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UDPPut('w'); |
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UDPPut(0); |
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UDPFlush(); |
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datagrams_to_send--; |
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} |
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} |
} |
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} |
network_worker(); |
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*/ |
} |
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return 0; |
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} |
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char network_send_goodbye(void) |
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{ |
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while( state != SockClosed) |
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{ |
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switch (state) |
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{ |
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case TcpReadyToSend: |
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if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) ) |
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state = TcpSend; |
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break; |
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case TcpSend: |
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TCPPut( tsock1, 0x06 ); |
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TCPFlush( tsock1 ); |
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state = SockClosing; |
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break; |
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case SockClosing: |
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TCPDisconnect( tsock1 ); |
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state = SockClosed; |
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break; |
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} |
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network_worker(); |
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} |
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if( TCPIsConnected(tsock1) ) |
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return 3; // Didn't close the socket properly; |
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else |
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return 0; |
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} |
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void network_wait_for_dhcp() |
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{ |
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while (!DHCPIsBound()) |
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network_worker(); |
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} |
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void main(void) |
void main(void) |
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{ |
{ |
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char sock_state = 0; |
char sock_state = 0; |
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char is_resolved = 0; |
char is_resolved = 0; |
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char has_arp = 0; |
char has_arp = 0; |
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char a; |
char a = 1; |
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TICK tick; |
TICK tick; |
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TICK lastTick; |
TICK lastTick; |
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while(1) |
while(1) |
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{ |
{ |
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unsigned char antal = 8; |
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unsigned char stregkode[] = "12345678"; |
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/* |
/* |
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* Blink SYSTEM LED every second. |
* Blink SYSTEM LED every second. |
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*/ |
*/ |
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* For DHCP information, display how many times we have renewed the IP |
* For DHCP information, display how many times we have renewed the IP |
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* configuration since last reset. |
* configuration since last reset. |
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*/ |
*/ |
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a = network_send_hello( 1 ); |
a = network_send_hello( 0x01 ); |
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/* if (DHCPIsBound()) |
a = network_send_scan_frame( stregkode, antal ); |
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{ |
a = network_send_goodbye(); |
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RA3 =0; |
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if (has_arp == 0) |
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{ |
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if (ARPIsTxReady()) |
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{ |
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if (is_resolved == 0) |
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{ |
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ARPResolve( &rnode.IPAddr); |
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is_resolved = 1; |
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} |
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else |
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{ |
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if (ARPIsResolved( &rnode.IPAddr, &rnode.MACAddr)) |
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{ |
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has_arp = 1; |
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} |
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} |
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} |
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} |
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if (has_arp == 1) |
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{ |
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if (sock_state == 0) |
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{ |
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usock1=TCPConnect(&rnode,3000); |
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sock_state = 1; |
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} |
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/* if (sock_state ==1 && TCPIsConnected(usock1) && TCPIsPutReady(usock1)) |
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{ |
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TCPPut(usock1,'D'); |
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TCPPut(usock1,'a'); |
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TCPPut(usock1,'w'); |
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TCPPut(usock1,0); |
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TCPFlush(usock1); |
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sock_state = 2; |
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} |
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if (sock_state == 2 && TCPIsPutReady(usock1)) |
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{ |
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TCPDisconnect(usock1); |
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lastTick = TickGet(); |
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sock_state =3; |
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} |
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tick = TickGet(); |
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diffTicks = TickGetDiff(tick, lastTick); |
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if ( sock_state == 3 && diffTicks > ((TICK)TICK_SECOND * (TICK)2) ) |
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sock_state = 0; |
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} |
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} */ |
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336 |
} |
} |
337 |
} |
} |
338 |
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#if defined(MCHP_C18) |
void interrupt HighISR(void) |
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#pragma interrupt HighISR save=section(".tmpdata") |
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void HighISR(void) |
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#elif defined(HITECH_C18) |
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#if defined(STACK_USE_SLIP) |
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extern void MACISR(void); |
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#endif |
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void interrupt HighISR(void) |
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#endif |
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340 |
{ |
{ |
341 |
TickUpdate(); |
TickUpdate(); |
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/* |
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#if defined(STACK_USE_SLIP) |
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MACISR(); |
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#endif |
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*/ |
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342 |
} |
} |
343 |
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344 |
#if defined(MCHP_C18) |
#if defined(MCHP_C18) |