| 1 |
#define THIS_IS_STACK_APPLICATION
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| 2 |
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| 3 |
#include "stacktsk.h"
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| 4 |
#include "dhcp.h"
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| 5 |
#include "tick.h"
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| 6 |
#include "delay.h"
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| 7 |
#include "udp.h"
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| 8 |
#include "arp.h"
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| 9 |
#include "arptsk.h"
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| 10 |
#include "tcp.h"
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| 11 |
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bit bIsDhcpUp = 0;
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| 13 |
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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| 18 |
// Result will be displayed at y = 15.
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#define TFTP_COMMAND_RESULT_POSITION 15
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| 20 |
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/*#define STARTUP_MSG "G1_Build_0x00"
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| 24 |
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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| 31 |
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// 1234567890123456
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//ROM char blankLCDLine[] = " ";
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| 34 |
*/
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| 35 |
/*
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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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| 38 |
* proper values.
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| 39 |
*/
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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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| 46 |
#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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StregkodeDone,
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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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| 98 |
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/*****************************
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| 100 |
network funktions
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****************************/
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int net_INT = 13, i;
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char *net_CHAR = "1234567890123";
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void network_init(void)
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{
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| 108 |
state = off;
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}
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| 111 |
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void network_worker(void)
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{
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| 114 |
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 )
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| 130 |
{
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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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// 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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}
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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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network_wait(5);
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break;
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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_scan_frame( unsigned char stregkode[], unsigned char buflen )
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{
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while( state != StregkodeDone )
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{
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switch (state)
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{
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case HelloDone:
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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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for (i = 0; i < buflen; i++)
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{
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TCPPut(tsock1, stregkode[i] );
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}
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TCPFlush(tsock1);
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state = StregkodeDone;
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break;
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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)
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{
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// Tick to blink SYSTEM led.
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static TICK t = 0;
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TCP_SOCKET usock1;
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char sock_state = 0;
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char is_resolved = 0;
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char has_arp = 0;
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char a = 1;
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TICK tick;
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TICK lastTick;
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TICK diffTicks;
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/*
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* Initialize any application specific hardware.
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*/
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InitializeBoard();
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/*
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* Initialize all stack related components.
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* Following steps must be performed for all applications using
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* PICmicro TCP/IP Stack.
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*/
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TickInit();
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/*
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* Initialize Stack and application related NV variables.
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*/
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InitAppConfig();
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StackInit();
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network_init();
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/*
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* Once all items are initialized, go into infinite loop and let
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* stack items execute their tasks.
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* If application needs to perform its own task, it should be
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* done at the end of while loop.
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* Note that this is a "co-operative mult-tasking" mechanism
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* where every task performs its tasks (whether all in one shot
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* or part of it) and returns so that other tasks can do their
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* job.
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* If a task needs very long time to do its job, it must broken
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* down into smaller pieces so that other tasks can have CPU time.
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*/
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// Defines the IP add. on the server machine
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rnode.IPAddr.v[0] = 192;
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rnode.IPAddr.v[1] = 168;
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rnode.IPAddr.v[2] = 1;
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rnode.IPAddr.v[3] = 20;
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| 307 |
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while(1)
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{
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| 310 |
unsigned char antal = 8;
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unsigned char stregkode[] = "12345678";
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/*
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| 313 |
* Blink SYSTEM LED every second.
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| 314 |
*/
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| 315 |
if ( TickGetDiff(TickGet(), t) >= TICK_SECOND/2 )
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{
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| 317 |
t = TickGet();
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LATA4 ^= 1;
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| 319 |
}
|
| 320 |
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| 321 |
/*
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| 322 |
* This task performs normal stack task including checking
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| 323 |
* for incoming packet, type of packet and calling
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| 324 |
* appropriate stack entity to process it.
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| 325 |
*/
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| 326 |
StackTask();
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| 327 |
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| 328 |
/*
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| 329 |
* For DHCP information, display how many times we have renewed the IP
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| 330 |
* configuration since last reset.
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| 331 |
*/
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| 332 |
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| 333 |
a = network_send_hello( 0x01 );
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a = network_send_scan_frame( stregkode, antal );
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| 335 |
a = network_send_goodbye();
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| 336 |
}
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| 337 |
}
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| 338 |
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void interrupt HighISR(void)
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| 340 |
{
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| 341 |
TickUpdate();
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| 342 |
}
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| 343 |
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| 344 |
#if defined(MCHP_C18)
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| 345 |
#pragma code highVector=0x08
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| 346 |
void HighVector (void)
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| 347 |
{
|
| 348 |
_asm goto HighISR _endasm
|
| 349 |
}
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| 350 |
#pragma code /* return to default code section */
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| 351 |
#endif
|
| 352 |
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| 353 |
/*********************************************************************
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| 354 |
* Function: void InitializeBoard(void)
|
| 355 |
*
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| 356 |
* PreCondition: None
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| 357 |
*
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| 358 |
* Input: None
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| 359 |
*
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| 360 |
* Output: None
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| 361 |
*
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| 362 |
* Side Effects: None
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| 363 |
*
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| 364 |
* Overview: Initialize board specific hardware.
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| 365 |
*
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| 366 |
* Note: None
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| 367 |
********************************************************************/
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| 368 |
static void InitializeBoard(void)
|
| 369 |
{
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| 370 |
/*
|
| 371 |
* Setup for PORTA.RA0 as analog input while rests
|
| 372 |
* as digital i/o lines.
|
| 373 |
*/
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| 374 |
ADCON1 = 0b10001110; // RA0 as analog input, Right justified
|
| 375 |
TRISA = 0x03;
|
| 376 |
|
| 377 |
/*
|
| 378 |
* LCD is enabled using RA5.
|
| 379 |
*/
|
| 380 |
// PORTA_RA5 = 0; // Disable LCD.
|
| 381 |
|
| 382 |
/*
|
| 383 |
* Turn off the LED's.
|
| 384 |
*/
|
| 385 |
LATA2 = 1;
|
| 386 |
LATA3 = 1;
|
| 387 |
|
| 388 |
/*
|
| 389 |
* External data EEPROM needs pull-ups, so enable internal
|
| 390 |
* pull-ups.
|
| 391 |
*/
|
| 392 |
INTCON2_RBPU = 0;
|
| 393 |
|
| 394 |
T0CON = 0;
|
| 395 |
INTCON_GIEH = 1;
|
| 396 |
INTCON_GIEL = 1;
|
| 397 |
|
| 398 |
}
|
| 399 |
|
| 400 |
/*********************************************************************
|
| 401 |
* Function: void InitAppConfig(void)
|
| 402 |
*
|
| 403 |
* PreCondition: MPFSInit() is already called.
|
| 404 |
*
|
| 405 |
* Input: None
|
| 406 |
*
|
| 407 |
* Output: Write/Read non-volatile config variables.
|
| 408 |
*
|
| 409 |
* Side Effects: None
|
| 410 |
*
|
| 411 |
* Overview: None
|
| 412 |
*
|
| 413 |
* Note: None
|
| 414 |
********************************************************************/
|
| 415 |
static void InitAppConfig(void)
|
| 416 |
{
|
| 417 |
/*
|
| 418 |
* Load default configuration into RAM.
|
| 419 |
*/
|
| 420 |
AppConfig.MyIPAddr.v[0] = MY_DEFAULT_IP_ADDR_BYTE1;
|
| 421 |
AppConfig.MyIPAddr.v[1] = MY_DEFAULT_IP_ADDR_BYTE2;
|
| 422 |
AppConfig.MyIPAddr.v[2] = MY_DEFAULT_IP_ADDR_BYTE3;
|
| 423 |
AppConfig.MyIPAddr.v[3] = MY_DEFAULT_IP_ADDR_BYTE4;
|
| 424 |
|
| 425 |
AppConfig.MyMask.v[0] = MY_DEFAULT_MASK_BYTE1;
|
| 426 |
AppConfig.MyMask.v[1] = MY_DEFAULT_MASK_BYTE2;
|
| 427 |
AppConfig.MyMask.v[2] = MY_DEFAULT_MASK_BYTE3;
|
| 428 |
AppConfig.MyMask.v[3] = MY_DEFAULT_MASK_BYTE4;
|
| 429 |
|
| 430 |
AppConfig.MyGateway.v[0] = MY_DEFAULT_GATE_BYTE1;
|
| 431 |
AppConfig.MyGateway.v[1] = MY_DEFAULT_GATE_BYTE2;
|
| 432 |
AppConfig.MyGateway.v[2] = MY_DEFAULT_GATE_BYTE3;
|
| 433 |
AppConfig.MyGateway.v[3] = MY_DEFAULT_GATE_BYTE4;
|
| 434 |
|
| 435 |
AppConfig.MyMACAddr.v[0] = MY_DEFAULT_MAC_BYTE1;
|
| 436 |
AppConfig.MyMACAddr.v[1] = MY_DEFAULT_MAC_BYTE2;
|
| 437 |
AppConfig.MyMACAddr.v[2] = MY_DEFAULT_MAC_BYTE3;
|
| 438 |
AppConfig.MyMACAddr.v[3] = MY_DEFAULT_MAC_BYTE4;
|
| 439 |
AppConfig.MyMACAddr.v[4] = MY_DEFAULT_MAC_BYTE5;
|
| 440 |
AppConfig.MyMACAddr.v[5] = MY_DEFAULT_MAC_BYTE6;
|
| 441 |
|
| 442 |
#if defined(STACK_USE_DHCP)
|
| 443 |
AppConfig.Flags.bIsDHCPEnabled = TRUE;
|
| 444 |
#else
|
| 445 |
AppConfig.Flags.bIsDHCPEnabled = FALSE;
|
| 446 |
#endif
|
| 447 |
}
|
| 448 |
|
| 449 |
BOOL StringToIPAddress(char *str, IP_ADDR *buffer)
|
| 450 |
{
|
| 451 |
BYTE v;
|
| 452 |
char *temp;
|
| 453 |
BYTE byteIndex;
|
| 454 |
|
| 455 |
temp = str;
|
| 456 |
byteIndex = 0;
|
| 457 |
|
| 458 |
while( v = *str )
|
| 459 |
{
|
| 460 |
if ( v == '.' )
|
| 461 |
{
|
| 462 |
*str++ = '\0';
|
| 463 |
buffer->v[byteIndex++] = atoi(temp);
|
| 464 |
temp = str;
|
| 465 |
}
|
| 466 |
else if ( v < '0' || v > '9' )
|
| 467 |
return FALSE;
|
| 468 |
|
| 469 |
str++;
|
| 470 |
}
|
| 471 |
|
| 472 |
buffer->v[byteIndex] = atoi(temp);
|
| 473 |
|
| 474 |
return (byteIndex == 3);
|
| 475 |
}
|
| 476 |
|
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