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#include "stacktsk.h"
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#include "dhcp.h"
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#include "tick.h"
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#include "delay.h"
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#include "udp.h"
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#include "arp.h"
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#include "arptsk.h"
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#include "tcp.h"
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#include "network.h"
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/*****************************
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GLOBAL vars
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****************************/
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NODE_INFO rnode;
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NetworkState state;
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TCP_SOCKET tsock1;
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unsigned long global_network_amount;
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unsigned char global_network_char[16];
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unsigned char global_network_charlen;
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/*****************************
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network funktions
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****************************/
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void network_init(void)
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{
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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_parse_amount(unsigned char buf[])
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{
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global_network_amount = buf[0]<<24 + buf[1]<<16 + buf[2]<<8 + buf[3];
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}
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void network_read_amount(void)
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{
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unsigned char buf[4];
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TCPGetArray(tsock1, buf,4);
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network_parse_amount(buf);
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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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Delay10us(1);
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}
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}
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char network_read_ack(void)
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{
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char ack;
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while(state != Acknowledged)
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{
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if (TCPIsGetReady(tsock1))
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{
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TCPGet(tsock1, &ack);
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TCPDiscard(tsock1);
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state = Acknowledged;
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}
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network_worker();
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}
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state = TcpReadyToSend;
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if (ack == 1)
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return 0;
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else
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return 4;
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}
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//Request ID 0
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char network_send_hello( unsigned char termid )
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{
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char gotArp = 0; // if gotArp is 0, the embedded haven't talked to the server since boot.
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static char isBound = 0;
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while( !DHCPIsBound() && isBound == 0 )
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network_worker();
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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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while( state != HelloDone )
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{
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switch (state)
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{
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case DhcpIsBound:
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if ( ARPIsTxReady() && gotArp == 0 )
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state = ArpIsTxReady;
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else
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state = ArpIsResolved;
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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 SockOpen:
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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, 0x00 );
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TCPPut( tsock1, termid );
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TCPFlush(tsock1);
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//TCPDiscard( tsock1 );
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state = HelloDone;
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break;
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}
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network_worker();
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}
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return network_read_ack();
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}
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//Request ID 1
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char network_send_scan_frame( unsigned char antal, unsigned char buflen )
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{
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char i;
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char ack;
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while( state != StregkodeSendDone ) //Sender vare-request-info pakke
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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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case TcpSend:
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TCPPut( tsock1, 0x01 );
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TCPPut( tsock1, antal );
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TCPPut( tsock1, buflen );
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for (i = 0; i < buflen; i++)
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{
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TCPPut(tsock1, global_network_char[i] );
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}
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TCPFlush(tsock1);
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state = StregkodeSendDone;
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break;
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}
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network_worker();
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}
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while( state != StregkodeRecieveDone ) //venter på svar og parser denne
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{
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switch( state )
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{
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case StregkodeSendDone:
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if( TCPIsGetReady(tsock1) )
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state = ReadyToRecieve;
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break;
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case ReadyToRecieve:
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TCPGet( tsock1, &ack );
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if (ack == 0)
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{
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state = TcpReadyToSend;
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TCPDiscard(tsock1);
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return 4;
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}
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network_read_amount();
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TCPGet( tsock1, &global_network_charlen);
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TCPGetArray( tsock1, global_network_char, global_network_charlen);
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TCPDiscard(tsock1);
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state = StregkodeRecieveDone;
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break;
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}
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network_worker();
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}
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state = TcpReadyToSend;
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return 0;
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}
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//Request ID 2
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char network_send_calc_total(void)
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{
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unsigned char ack;
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while(state != TotalRequested)
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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, 0x02);
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TCPFlush(tsock1);
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state = TotalRequested;
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break;
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}
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network_worker();
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}
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while (state != TotalRequestedDone)
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{
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if (TCPIsGetReady(tsock1))
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{
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TCPGet(tsock1, &ack);
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if (ack == 0)
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{
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TCPDiscard(tsock1);
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state = TcpReadyToSend;
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return 4;
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}
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network_read_amount();
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TCPDiscard(tsock1);
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state = TotalRequestedDone;
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}
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network_worker();
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}
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state = TcpReadyToSend;
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return 0;
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}
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//Request ID 3
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char network_send_cash_payed(unsigned long amount)
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{
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unsigned char ack;
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while (state != ChangeRequested)
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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, 0x03);
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TCPPut(tsock1, amount>>24);
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TCPPut(tsock1, amount>>16);
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TCPPut(tsock1, amount>>8);
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TCPPut(tsock1, amount);
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TCPFlush(tsock1);
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state = ChangeRequested;
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break;
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}
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network_worker();
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}
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while (state != ChangeRequestedDone)
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{
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if (TCPIsGetReady(tsock1))
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{
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TCPGet(tsock1, &ack);
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if (ack == 0)
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{
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TCPFlush(tsock1);
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state = TcpReadyToSend;
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return 4;
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}
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network_read_amount();
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TCPFlush(tsock1);
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state = ChangeRequestedDone;
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}
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network_worker();
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}
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state = TcpReadyToSend;
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return 0;
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}
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//request 4+5
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char network_send_cancel_generic(char id)
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{
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while(state != CancelDone)
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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, id);
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TCPFlush(tsock1);
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state = CancelDone;
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}
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network_worker();
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}
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return network_read_ack();
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}
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//Request ID 4
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char network_send_cancel_last(void)
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{
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return network_send_cancel_generic(0x04);
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}
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//Request ID 5
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char network_send_cancel_all(void)
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{
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return network_send_cancel_generic(0x05);
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}
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//Request ID 6
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char network_send_goodbye(void)
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{
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char ack;
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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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ack = network_read_ack();
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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 ack;
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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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