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#define THIS_IS_STACK_APPLICATION
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2 |
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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 <string.h>
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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.
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//#define TFTP_COMMAND_DISPLAY_LINE 0
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// Result will be displayed at y = 15.
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#define TFTP_COMMAND_RESULT_POSITION 15
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/*#define STARTUP_MSG "G1_Build_0x00"
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ROM char StartupMsg[] = STARTUP_MSG;
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#if defined(STACK_USE_DHCP) || defined(STACK_USE_IP_GLEANING)
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ROM char DHCPMsg[] = "DHCP/Gleaning...";
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#endif
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ROM char SetupMsg[] = "Board Setup...";
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// 1234567890123456
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//ROM char blankLCDLine[] = " ";
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*/
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/*
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* This is used by other stack elements.
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* Main application must define this and initialize it with
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* proper values.
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*/
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APP_CONFIG AppConfig;
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BYTE myDHCPBindCount = 0;
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#if defined(STACK_USE_DHCP)
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extern BYTE DHCPBindCount;
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#else
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/*
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* If DHCP is not enabled, force DHCP update.
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*/
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BYTE DHCPBindCount = 1;
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#endif
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/*
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* Set configuration fuses for HITECH compiler.
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* For MCC18 compiler, separately linked config.asm file
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* will set the correct fuses.
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*/
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#if defined(HITECH_C18)
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__CONFIG(1, UNPROTECT & HS);
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__CONFIG(2, PWRTEN & BORDIS & WDTDIS);
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#endif
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/*
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* Private helper functions.
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* These may or may not be present in all applications.
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*/
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static void InitAppConfig(void);
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static void InitializeBoard(void);
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static void SetConfig(void);
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/*****************************
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Enummerations
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****************************/
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typedef enum _NetworkState
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{
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off,
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DhcpIsBound,
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ArpIsTxReady,
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ArpIsResolved,
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SockOpening,
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SockOpen,
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TcpReadyToSend,
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TcpSend,
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HelloDone,
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StregkodeSendDone,
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ReadyToRecieve,
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StregkodeRecieveDone,
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TotalRequested,
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TotalRequestedDone,
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ChangeRequested,
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ChangeRequestedDone,
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Acknowledged,
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CancelDone,
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SockClosing,
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SockClosed
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} NetworkState;
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/*****************************
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GLOBAL INIT
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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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/*****************************
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network funktions
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****************************/
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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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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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283 |
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state = StregkodeRecieveDone;
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285 |
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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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300 |
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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306 |
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case TcpSend:
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TCPPut(tsock1, 0x02);
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309 |
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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315 |
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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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337 |
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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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343 |
{
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344 |
switch(state)
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{
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346 |
case TcpReadyToSend:
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if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) )
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348 |
state = TcpSend;
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break;
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350 |
case TcpSend:
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351 |
TCPPut(tsock1, 0x03);
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TCPPut(tsock1, amount>>24);
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353 |
TCPPut(tsock1, amount>>16);
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354 |
TCPPut(tsock1, amount>>8);
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355 |
TCPPut(tsock1, amount);
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TCPFlush(tsock1);
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357 |
state = ChangeRequested;
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358 |
break;
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359 |
}
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360 |
network_worker();
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361 |
}
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362 |
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363 |
while (state != ChangeRequestedDone)
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364 |
{
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365 |
if (TCPIsGetReady(tsock1))
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366 |
{
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367 |
TCPGet(tsock1, &ack);
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368 |
if (ack == 0)
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369 |
{
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370 |
TCPFlush(tsock1);
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371 |
state = TcpReadyToSend;
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372 |
return 4;
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373 |
}
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374 |
network_read_amount();
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TCPFlush(tsock1);
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state = ChangeRequestedDone;
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377 |
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378 |
}
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379 |
network_worker();
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380 |
}
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381 |
state = TcpReadyToSend;
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382 |
return 0;
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383 |
}
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384 |
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385 |
//request 4+5
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386 |
char network_send_cancel_generic(char id)
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{
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388 |
while(state != CancelDone)
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389 |
{
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390 |
switch (state)
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391 |
{
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392 |
case TcpReadyToSend:
|
393 |
if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) )
|
394 |
state = TcpSend;
|
395 |
break;
|
396 |
case TcpSend:
|
397 |
TCPPut(tsock1, id);
|
398 |
TCPFlush(tsock1);
|
399 |
state = CancelDone;
|
400 |
|
401 |
}
|
402 |
network_worker();
|
403 |
}
|
404 |
return network_read_ack();
|
405 |
}
|
406 |
|
407 |
//Request ID 4
|
408 |
char network_send_cancel_last(void)
|
409 |
{
|
410 |
return network_send_cancel_generic(0x04);
|
411 |
}
|
412 |
|
413 |
//Request ID 5
|
414 |
char network_send_cancel_all(void)
|
415 |
{
|
416 |
return network_send_cancel_generic(0x05);
|
417 |
}
|
418 |
|
419 |
//Request ID 6
|
420 |
char network_send_goodbye(void)
|
421 |
{
|
422 |
char ack;
|
423 |
while( state != SockClosed)
|
424 |
{
|
425 |
switch (state)
|
426 |
{
|
427 |
case TcpReadyToSend:
|
428 |
if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) )
|
429 |
state = TcpSend;
|
430 |
break;
|
431 |
|
432 |
case TcpSend:
|
433 |
TCPPut( tsock1, 0x06 );
|
434 |
TCPFlush( tsock1 );
|
435 |
state = SockClosing;
|
436 |
break;
|
437 |
|
438 |
case SockClosing:
|
439 |
ack = network_read_ack();
|
440 |
TCPDisconnect( tsock1 );
|
441 |
state = SockClosed;
|
442 |
break;
|
443 |
}
|
444 |
network_worker();
|
445 |
}
|
446 |
if( TCPIsConnected(tsock1))
|
447 |
return 3; // Didn't close the socket properly;
|
448 |
else
|
449 |
return ack;
|
450 |
|
451 |
}
|
452 |
void network_wait_for_dhcp()
|
453 |
{
|
454 |
while (!DHCPIsBound())
|
455 |
network_worker();
|
456 |
}
|
457 |
|
458 |
void main(void)
|
459 |
{
|
460 |
// Tick to blink SYSTEM led.
|
461 |
static TICK t = 0;
|
462 |
TCP_SOCKET usock1;
|
463 |
char sock_state = 0;
|
464 |
char is_resolved = 0;
|
465 |
char has_arp = 0;
|
466 |
|
467 |
|
468 |
TICK tick;
|
469 |
TICK lastTick;
|
470 |
TICK diffTicks;
|
471 |
|
472 |
/*
|
473 |
* Initialize any application specific hardware.
|
474 |
*/
|
475 |
InitializeBoard();
|
476 |
|
477 |
/*
|
478 |
* Initialize all stack related components.
|
479 |
* Following steps must be performed for all applications using
|
480 |
* PICmicro TCP/IP Stack.
|
481 |
*/
|
482 |
TickInit();
|
483 |
|
484 |
/*
|
485 |
* Initialize Stack and application related NV variables.
|
486 |
*/
|
487 |
InitAppConfig();
|
488 |
|
489 |
StackInit();
|
490 |
|
491 |
network_init();
|
492 |
|
493 |
|
494 |
|
495 |
/*
|
496 |
* Once all items are initialized, go into infinite loop and let
|
497 |
* stack items execute their tasks.
|
498 |
* If application needs to perform its own task, it should be
|
499 |
* done at the end of while loop.
|
500 |
* Note that this is a "co-operative mult-tasking" mechanism
|
501 |
* where every task performs its tasks (whether all in one shot
|
502 |
* or part of it) and returns so that other tasks can do their
|
503 |
* job.
|
504 |
* If a task needs very long time to do its job, it must broken
|
505 |
* down into smaller pieces so that other tasks can have CPU time.
|
506 |
*/
|
507 |
|
508 |
|
509 |
// Defines the IP add. on the server machine
|
510 |
rnode.IPAddr.v[0] = 192;
|
511 |
rnode.IPAddr.v[1] = 168;
|
512 |
rnode.IPAddr.v[2] = 1;
|
513 |
rnode.IPAddr.v[3] = 20;
|
514 |
|
515 |
while(1)
|
516 |
{
|
517 |
unsigned char antal = 8;
|
518 |
unsigned char stregkode[] = "12345678";
|
519 |
/*
|
520 |
* Blink SYSTEM LED every second.
|
521 |
*/
|
522 |
if ( TickGetDiff(TickGet(), t) >= TICK_SECOND/2 )
|
523 |
{
|
524 |
t = TickGet();
|
525 |
LATA4 ^= 1;
|
526 |
}
|
527 |
|
528 |
/*
|
529 |
* This task performs normal stack task including checking
|
530 |
* for incoming packet, type of packet and calling
|
531 |
* appropriate stack entity to process it.
|
532 |
*/
|
533 |
StackTask();
|
534 |
|
535 |
/*
|
536 |
* For DHCP information, display how many times we have renewed the IP
|
537 |
* configuration since last reset.
|
538 |
*/
|
539 |
|
540 |
|
541 |
network_send_hello( 0x01 );
|
542 |
|
543 |
strncpy(global_network_char, "12345678", 8);
|
544 |
network_send_scan_frame( 1, 8 ); //1x vare, stregkodelængde=8
|
545 |
|
546 |
strncpy(global_network_char, "87654444", 8);
|
547 |
network_send_scan_frame( 1, 8 ); //1x vare, stregkodelængde=8
|
548 |
|
549 |
network_send_calc_total();
|
550 |
|
551 |
network_send_cash_payed(50000);
|
552 |
|
553 |
network_send_cancel_last();
|
554 |
|
555 |
network_send_cancel_all();
|
556 |
|
557 |
network_send_goodbye();
|
558 |
}
|
559 |
}
|
560 |
|
561 |
void interrupt HighISR(void)
|
562 |
{
|
563 |
TickUpdate();
|
564 |
}
|
565 |
|
566 |
#if defined(MCHP_C18)
|
567 |
#pragma code highVector=0x08
|
568 |
void HighVector (void)
|
569 |
{
|
570 |
_asm goto HighISR _endasm
|
571 |
}
|
572 |
#pragma code /* return to default code section */
|
573 |
#endif
|
574 |
|
575 |
/*********************************************************************
|
576 |
* Function: void InitializeBoard(void)
|
577 |
*
|
578 |
* PreCondition: None
|
579 |
*
|
580 |
* Input: None
|
581 |
*
|
582 |
* Output: None
|
583 |
*
|
584 |
* Side Effects: None
|
585 |
*
|
586 |
* Overview: Initialize board specific hardware.
|
587 |
*
|
588 |
* Note: None
|
589 |
********************************************************************/
|
590 |
static void InitializeBoard(void)
|
591 |
{
|
592 |
/*
|
593 |
* Setup for PORTA.RA0 as analog input while rests
|
594 |
* as digital i/o lines.
|
595 |
*/
|
596 |
ADCON1 = 0b10001110; // RA0 as analog input, Right justified
|
597 |
TRISA = 0x03;
|
598 |
|
599 |
/*
|
600 |
* LCD is enabled using RA5.
|
601 |
*/
|
602 |
// PORTA_RA5 = 0; // Disable LCD.
|
603 |
|
604 |
/*
|
605 |
* Turn off the LED's.
|
606 |
*/
|
607 |
LATA2 = 1;
|
608 |
LATA3 = 1;
|
609 |
|
610 |
/*
|
611 |
* External data EEPROM needs pull-ups, so enable internal
|
612 |
* pull-ups.
|
613 |
*/
|
614 |
INTCON2_RBPU = 0;
|
615 |
|
616 |
T0CON = 0;
|
617 |
INTCON_GIEH = 1;
|
618 |
INTCON_GIEL = 1;
|
619 |
|
620 |
}
|
621 |
|
622 |
/*********************************************************************
|
623 |
* Function: void InitAppConfig(void)
|
624 |
*
|
625 |
* PreCondition: MPFSInit() is already called.
|
626 |
*
|
627 |
* Input: None
|
628 |
*
|
629 |
* Output: Write/Read non-volatile config variables.
|
630 |
*
|
631 |
* Side Effects: None
|
632 |
*
|
633 |
* Overview: None
|
634 |
*
|
635 |
* Note: None
|
636 |
********************************************************************/
|
637 |
static void InitAppConfig(void)
|
638 |
{
|
639 |
/*
|
640 |
* Load default configuration into RAM.
|
641 |
*/
|
642 |
AppConfig.MyIPAddr.v[0] = MY_DEFAULT_IP_ADDR_BYTE1;
|
643 |
AppConfig.MyIPAddr.v[1] = MY_DEFAULT_IP_ADDR_BYTE2;
|
644 |
AppConfig.MyIPAddr.v[2] = MY_DEFAULT_IP_ADDR_BYTE3;
|
645 |
AppConfig.MyIPAddr.v[3] = MY_DEFAULT_IP_ADDR_BYTE4;
|
646 |
|
647 |
AppConfig.MyMask.v[0] = MY_DEFAULT_MASK_BYTE1;
|
648 |
AppConfig.MyMask.v[1] = MY_DEFAULT_MASK_BYTE2;
|
649 |
AppConfig.MyMask.v[2] = MY_DEFAULT_MASK_BYTE3;
|
650 |
AppConfig.MyMask.v[3] = MY_DEFAULT_MASK_BYTE4;
|
651 |
|
652 |
AppConfig.MyGateway.v[0] = MY_DEFAULT_GATE_BYTE1;
|
653 |
AppConfig.MyGateway.v[1] = MY_DEFAULT_GATE_BYTE2;
|
654 |
AppConfig.MyGateway.v[2] = MY_DEFAULT_GATE_BYTE3;
|
655 |
AppConfig.MyGateway.v[3] = MY_DEFAULT_GATE_BYTE4;
|
656 |
|
657 |
AppConfig.MyMACAddr.v[0] = MY_DEFAULT_MAC_BYTE1;
|
658 |
AppConfig.MyMACAddr.v[1] = MY_DEFAULT_MAC_BYTE2;
|
659 |
AppConfig.MyMACAddr.v[2] = MY_DEFAULT_MAC_BYTE3;
|
660 |
AppConfig.MyMACAddr.v[3] = MY_DEFAULT_MAC_BYTE4;
|
661 |
AppConfig.MyMACAddr.v[4] = MY_DEFAULT_MAC_BYTE5;
|
662 |
AppConfig.MyMACAddr.v[5] = MY_DEFAULT_MAC_BYTE6;
|
663 |
|
664 |
#if defined(STACK_USE_DHCP)
|
665 |
AppConfig.Flags.bIsDHCPEnabled = TRUE;
|
666 |
#else
|
667 |
AppConfig.Flags.bIsDHCPEnabled = FALSE;
|
668 |
#endif
|
669 |
}
|
670 |
|
671 |
BOOL StringToIPAddress(char *str, IP_ADDR *buffer)
|
672 |
{
|
673 |
BYTE v;
|
674 |
char *temp;
|
675 |
BYTE byteIndex;
|
676 |
|
677 |
temp = str;
|
678 |
byteIndex = 0;
|
679 |
|
680 |
while( v = *str )
|
681 |
{
|
682 |
if ( v == '.' )
|
683 |
{
|
684 |
*str++ = '\0';
|
685 |
buffer->v[byteIndex++] = atoi(temp);
|
686 |
temp = str;
|
687 |
}
|
688 |
else if ( v < '0' || v > '9' )
|
689 |
return FALSE;
|
690 |
|
691 |
str++;
|
692 |
}
|
693 |
|
694 |
buffer->v[byteIndex] = atoi(temp);
|
695 |
|
696 |
return (byteIndex == 3);
|
697 |
}
|
698 |
|