| 1 |
#define THIS_IS_STACK_APPLICATION
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| 2 |
|
| 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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| 12 |
bit bIsDhcpUp = 0;
|
| 13 |
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| 14 |
// All TFTP command statuts display will be done on first line of LCD.
|
| 15 |
//#define TFTP_COMMAND_DISPLAY_LINE 0
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| 16 |
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| 17 |
// Result will be displayed at y = 15.
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#define TFTP_COMMAND_RESULT_POSITION 15
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| 19 |
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| 20 |
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| 21 |
#define STARTUP_MSG "G1_Build_0x00"
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| 22 |
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| 23 |
ROM char StartupMsg[] = STARTUP_MSG;
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| 24 |
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| 25 |
#if defined(STACK_USE_DHCP) || defined(STACK_USE_IP_GLEANING)
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| 26 |
ROM char DHCPMsg[] = "DHCP/Gleaning...";
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| 27 |
#endif
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| 28 |
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| 29 |
ROM char SetupMsg[] = "Board Setup...";
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| 30 |
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| 31 |
// 1234567890123456
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| 32 |
//ROM char blankLCDLine[] = " ";
|
| 33 |
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| 34 |
/*
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| 35 |
* This is used by other stack elements.
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| 36 |
* Main application must define this and initialize it with
|
| 37 |
* proper values.
|
| 38 |
*/
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| 39 |
APP_CONFIG AppConfig;
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| 40 |
|
| 41 |
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| 42 |
BYTE myDHCPBindCount = 0;
|
| 43 |
#if defined(STACK_USE_DHCP)
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| 44 |
extern BYTE DHCPBindCount;
|
| 45 |
#else
|
| 46 |
/*
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| 47 |
* If DHCP is not enabled, force DHCP update.
|
| 48 |
*/
|
| 49 |
BYTE DHCPBindCount = 1;
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| 50 |
#endif
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| 51 |
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| 52 |
/*
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| 53 |
* Set configuration fuses for HITECH compiler.
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| 54 |
* For MCC18 compiler, separately linked config.asm file
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| 55 |
* will set the correct fuses.
|
| 56 |
*/
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| 57 |
#if defined(HITECH_C18)
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| 58 |
__CONFIG(1, UNPROTECT & HS);
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| 59 |
__CONFIG(2, PWRTEN & BORDIS & WDTDIS);
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| 60 |
#endif
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| 61 |
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| 62 |
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| 63 |
/*
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| 64 |
* Private helper functions.
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| 65 |
* These may or may not be present in all applications.
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| 66 |
*/
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| 67 |
static void InitAppConfig(void);
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| 68 |
static void InitializeBoard(void);
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| 69 |
static void SetConfig(void);
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| 70 |
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| 71 |
/*****************************
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| 72 |
Enummerations
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| 73 |
****************************/
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| 74 |
typedef enum _NetworkState
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| 75 |
{
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| 76 |
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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| 81 |
SockOpen,
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TcpReadyToSend,
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TcpSend,
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| 84 |
SockClosing,
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| 85 |
SockClosed
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| 86 |
} NetworkState;
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| 87 |
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| 88 |
/*****************************
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| 89 |
GLOBAL INIT
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| 90 |
****************************/
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| 91 |
NODE_INFO rnode;
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| 92 |
NetworkState state;
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| 93 |
TCP_SOCKET tsock1;
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| 94 |
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| 95 |
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| 96 |
/*****************************
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| 97 |
network funktions
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| 98 |
****************************/
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| 99 |
int net_INT = 13, i;
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| 100 |
char *net_CHAR = "1234567890123";
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| 101 |
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| 102 |
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| 103 |
void network_init(void)
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| 104 |
{
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| 105 |
state = off;
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| 106 |
}
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| 107 |
char network_send_hello( unsigned char termid )
|
| 108 |
{
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| 109 |
char error = 0;
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| 110 |
char gotArp = 0;
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| 111 |
static char isBound = 0;
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| 112 |
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| 113 |
if ( DHCPIsBound() && isBound == 0 ){
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| 114 |
state = DhcpIsBound;
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| 115 |
isBound = 1;
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| 116 |
}
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| 117 |
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| 118 |
switch (state)
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| 119 |
{
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| 120 |
case DhcpIsBound:
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| 121 |
if ( ARPIsTxReady() && gotArp == 0 )
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| 122 |
state = ArpIsTxReady;
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| 123 |
else
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| 124 |
state = ArpIsResolved;
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| 125 |
return 0;
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| 126 |
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| 127 |
case ArpIsTxReady:
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| 128 |
ARPResolve(&rnode.IPAddr);
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gotArp = 1;
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state = ArpIsResolved;
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| 131 |
return 0;
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| 132 |
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| 133 |
case ArpIsResolved:
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| 134 |
if (ARPIsResolved(&rnode.IPAddr, &rnode.MACAddr) ){
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| 135 |
state = SockOpening;
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| 136 |
return 0;
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| 137 |
}
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else{
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| 139 |
state = ArpIsResolved;
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| 140 |
return 2; // no arp resolved
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| 141 |
}
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| 142 |
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| 143 |
case SockOpening:
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tsock1 = TCPConnect (&rnode, 3000);
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state = SockOpen;
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return 0;
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| 147 |
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| 148 |
case SockOpen:
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| 149 |
if ( TCPIsConnected(tsock1) && TCPIsPutReady(tsock1) )
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| 150 |
state = TcpSend;
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| 151 |
return 0;
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| 152 |
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| 153 |
case TcpSend:
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for (i = net_INT; i >= 0; i--)
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| 155 |
{
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| 156 |
TCPPut(tsock1, termid );
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| 157 |
}
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| 158 |
TCPFlush(tsock1);
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| 159 |
state = TcpReadyToSend;
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| 160 |
return 0;
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}
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return 1;
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| 163 |
}
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/*
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void network_send_hello( unsigned char termid )
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| 166 |
{
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| 167 |
if (DHCPIsBound())
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| 168 |
{
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| 169 |
RA3 = 0;
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| 170 |
if (sock_open == 0)
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| 171 |
{
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| 172 |
if (ARPIsTxReady())
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{
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| 174 |
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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//if (MyArp( &rnode))
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| 181 |
{
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| 182 |
usock1=UDPOpen(2000,&rnode,3000); // socket to send UDP
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sock_open=1;
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| 184 |
}
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| 185 |
}
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| 186 |
}
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| 187 |
}
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| 188 |
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| 189 |
if (UDPIsPutReady(usock1) && datagrams_to_send>0)
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{
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| 191 |
UDPPut( rnode.MACAddr.v[0] );
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| 192 |
UDPPut( rnode.MACAddr.v[1] );
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| 193 |
UDPPut( rnode.MACAddr.v[2] );
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UDPPut( rnode.MACAddr.v[3] );
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| 195 |
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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| 199 |
UDPPut('w');
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| 200 |
UDPPut(0);
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UDPFlush();
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| 202 |
datagrams_to_send--;
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| 203 |
}
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| 204 |
}
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| 205 |
}
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*/
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| 207 |
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| 208 |
void main(void)
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| 209 |
{
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| 210 |
// Tick to blink SYSTEM led.
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| 211 |
static TICK t = 0;
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| 212 |
TCP_SOCKET usock1;
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| 213 |
char sock_state = 0;
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| 214 |
char is_resolved = 0;
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| 215 |
char has_arp = 0;
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| 216 |
char a;
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| 217 |
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TICK tick;
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| 219 |
TICK lastTick;
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| 220 |
TICK diffTicks;
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| 221 |
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| 222 |
/*
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| 223 |
* Initialize any application specific hardware.
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*/
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InitializeBoard();
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| 226 |
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| 227 |
/*
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* Initialize all stack related components.
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| 229 |
* Following steps must be performed for all applications using
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| 230 |
* PICmicro TCP/IP Stack.
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| 231 |
*/
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TickInit();
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| 233 |
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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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| 241 |
network_init();
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| 243 |
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| 244 |
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| 245 |
/*
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| 246 |
* 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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| 249 |
* done at the end of while loop.
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| 250 |
* 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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| 252 |
* or part of it) and returns so that other tasks can do their
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* job.
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| 254 |
* If a task needs very long time to do its job, it must broken
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| 255 |
* down into smaller pieces so that other tasks can have CPU time.
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| 256 |
*/
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| 257 |
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| 258 |
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| 259 |
// Defines the IP add. on the server machine
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rnode.IPAddr.v[0] = 192;
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| 261 |
rnode.IPAddr.v[1] = 168;
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| 262 |
rnode.IPAddr.v[2] = 1;
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| 263 |
rnode.IPAddr.v[3] = 20;
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| 264 |
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| 265 |
while(1)
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{
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| 267 |
/*
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| 268 |
* Blink SYSTEM LED every second.
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| 269 |
*/
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| 270 |
if ( TickGetDiff(TickGet(), t) >= TICK_SECOND/2 )
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| 271 |
{
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| 272 |
t = TickGet();
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| 273 |
LATA4 ^= 1;
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| 274 |
}
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| 275 |
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| 276 |
/*
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| 277 |
* This task performs normal stack task including checking
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| 278 |
* for incoming packet, type of packet and calling
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| 279 |
* appropriate stack entity to process it.
|
| 280 |
*/
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| 281 |
StackTask();
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| 282 |
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| 283 |
/*
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| 284 |
* For DHCP information, display how many times we have renewed the IP
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| 285 |
* configuration since last reset.
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| 286 |
*/
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| 287 |
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| 288 |
a = network_send_hello( 1 );
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| 289 |
/* if (DHCPIsBound())
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| 290 |
{
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| 291 |
RA3 =0;
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| 292 |
if (has_arp == 0)
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| 293 |
{
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| 294 |
if (ARPIsTxReady())
|
| 295 |
{
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| 296 |
if (is_resolved == 0)
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| 297 |
{
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| 298 |
ARPResolve( &rnode.IPAddr);
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| 299 |
is_resolved = 1;
|
| 300 |
}
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| 301 |
else
|
| 302 |
{
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| 303 |
if (ARPIsResolved( &rnode.IPAddr, &rnode.MACAddr))
|
| 304 |
{
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| 305 |
has_arp = 1;
|
| 306 |
}
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| 307 |
}
|
| 308 |
|
| 309 |
}
|
| 310 |
}
|
| 311 |
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| 312 |
if (has_arp == 1)
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| 313 |
{
|
| 314 |
if (sock_state == 0)
|
| 315 |
{
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| 316 |
usock1=TCPConnect(&rnode,3000);
|
| 317 |
sock_state = 1;
|
| 318 |
}
|
| 319 |
/* if (sock_state ==1 && TCPIsConnected(usock1) && TCPIsPutReady(usock1))
|
| 320 |
{
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| 321 |
TCPPut(usock1,'D');
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| 322 |
TCPPut(usock1,'a');
|
| 323 |
TCPPut(usock1,'w');
|
| 324 |
TCPPut(usock1,0);
|
| 325 |
TCPFlush(usock1);
|
| 326 |
sock_state = 2;
|
| 327 |
}
|
| 328 |
|
| 329 |
if (sock_state == 2 && TCPIsPutReady(usock1))
|
| 330 |
{
|
| 331 |
TCPDisconnect(usock1);
|
| 332 |
lastTick = TickGet();
|
| 333 |
sock_state =3;
|
| 334 |
}
|
| 335 |
tick = TickGet();
|
| 336 |
diffTicks = TickGetDiff(tick, lastTick);
|
| 337 |
|
| 338 |
if ( sock_state == 3 && diffTicks > ((TICK)TICK_SECOND * (TICK)2) )
|
| 339 |
sock_state = 0;
|
| 340 |
|
| 341 |
}
|
| 342 |
} */
|
| 343 |
}
|
| 344 |
}
|
| 345 |
|
| 346 |
#if defined(MCHP_C18)
|
| 347 |
#pragma interrupt HighISR save=section(".tmpdata")
|
| 348 |
void HighISR(void)
|
| 349 |
#elif defined(HITECH_C18)
|
| 350 |
#if defined(STACK_USE_SLIP)
|
| 351 |
extern void MACISR(void);
|
| 352 |
#endif
|
| 353 |
void interrupt HighISR(void)
|
| 354 |
#endif
|
| 355 |
{
|
| 356 |
TickUpdate();
|
| 357 |
/*
|
| 358 |
#if defined(STACK_USE_SLIP)
|
| 359 |
MACISR();
|
| 360 |
#endif
|
| 361 |
*/
|
| 362 |
}
|
| 363 |
|
| 364 |
#if defined(MCHP_C18)
|
| 365 |
#pragma code highVector=0x08
|
| 366 |
void HighVector (void)
|
| 367 |
{
|
| 368 |
_asm goto HighISR _endasm
|
| 369 |
}
|
| 370 |
#pragma code /* return to default code section */
|
| 371 |
#endif
|
| 372 |
|
| 373 |
/*********************************************************************
|
| 374 |
* Function: void InitializeBoard(void)
|
| 375 |
*
|
| 376 |
* PreCondition: None
|
| 377 |
*
|
| 378 |
* Input: None
|
| 379 |
*
|
| 380 |
* Output: None
|
| 381 |
*
|
| 382 |
* Side Effects: None
|
| 383 |
*
|
| 384 |
* Overview: Initialize board specific hardware.
|
| 385 |
*
|
| 386 |
* Note: None
|
| 387 |
********************************************************************/
|
| 388 |
static void InitializeBoard(void)
|
| 389 |
{
|
| 390 |
/*
|
| 391 |
* Setup for PORTA.RA0 as analog input while rests
|
| 392 |
* as digital i/o lines.
|
| 393 |
*/
|
| 394 |
ADCON1 = 0b10001110; // RA0 as analog input, Right justified
|
| 395 |
TRISA = 0x03;
|
| 396 |
|
| 397 |
/*
|
| 398 |
* LCD is enabled using RA5.
|
| 399 |
*/
|
| 400 |
// PORTA_RA5 = 0; // Disable LCD.
|
| 401 |
|
| 402 |
/*
|
| 403 |
* Turn off the LED's.
|
| 404 |
*/
|
| 405 |
LATA2 = 1;
|
| 406 |
LATA3 = 1;
|
| 407 |
|
| 408 |
/*
|
| 409 |
* External data EEPROM needs pull-ups, so enable internal
|
| 410 |
* pull-ups.
|
| 411 |
*/
|
| 412 |
INTCON2_RBPU = 0;
|
| 413 |
|
| 414 |
T0CON = 0;
|
| 415 |
INTCON_GIEH = 1;
|
| 416 |
INTCON_GIEL = 1;
|
| 417 |
|
| 418 |
}
|
| 419 |
|
| 420 |
/*********************************************************************
|
| 421 |
* Function: void InitAppConfig(void)
|
| 422 |
*
|
| 423 |
* PreCondition: MPFSInit() is already called.
|
| 424 |
*
|
| 425 |
* Input: None
|
| 426 |
*
|
| 427 |
* Output: Write/Read non-volatile config variables.
|
| 428 |
*
|
| 429 |
* Side Effects: None
|
| 430 |
*
|
| 431 |
* Overview: None
|
| 432 |
*
|
| 433 |
* Note: None
|
| 434 |
********************************************************************/
|
| 435 |
static void InitAppConfig(void)
|
| 436 |
{
|
| 437 |
/*
|
| 438 |
* Load default configuration into RAM.
|
| 439 |
*/
|
| 440 |
AppConfig.MyIPAddr.v[0] = MY_DEFAULT_IP_ADDR_BYTE1;
|
| 441 |
AppConfig.MyIPAddr.v[1] = MY_DEFAULT_IP_ADDR_BYTE2;
|
| 442 |
AppConfig.MyIPAddr.v[2] = MY_DEFAULT_IP_ADDR_BYTE3;
|
| 443 |
AppConfig.MyIPAddr.v[3] = MY_DEFAULT_IP_ADDR_BYTE4;
|
| 444 |
|
| 445 |
AppConfig.MyMask.v[0] = MY_DEFAULT_MASK_BYTE1;
|
| 446 |
AppConfig.MyMask.v[1] = MY_DEFAULT_MASK_BYTE2;
|
| 447 |
AppConfig.MyMask.v[2] = MY_DEFAULT_MASK_BYTE3;
|
| 448 |
AppConfig.MyMask.v[3] = MY_DEFAULT_MASK_BYTE4;
|
| 449 |
|
| 450 |
AppConfig.MyGateway.v[0] = MY_DEFAULT_GATE_BYTE1;
|
| 451 |
AppConfig.MyGateway.v[1] = MY_DEFAULT_GATE_BYTE2;
|
| 452 |
AppConfig.MyGateway.v[2] = MY_DEFAULT_GATE_BYTE3;
|
| 453 |
AppConfig.MyGateway.v[3] = MY_DEFAULT_GATE_BYTE4;
|
| 454 |
|
| 455 |
AppConfig.MyMACAddr.v[0] = MY_DEFAULT_MAC_BYTE1;
|
| 456 |
AppConfig.MyMACAddr.v[1] = MY_DEFAULT_MAC_BYTE2;
|
| 457 |
AppConfig.MyMACAddr.v[2] = MY_DEFAULT_MAC_BYTE3;
|
| 458 |
AppConfig.MyMACAddr.v[3] = MY_DEFAULT_MAC_BYTE4;
|
| 459 |
AppConfig.MyMACAddr.v[4] = MY_DEFAULT_MAC_BYTE5;
|
| 460 |
AppConfig.MyMACAddr.v[5] = MY_DEFAULT_MAC_BYTE6;
|
| 461 |
|
| 462 |
#if defined(STACK_USE_DHCP)
|
| 463 |
AppConfig.Flags.bIsDHCPEnabled = TRUE;
|
| 464 |
#else
|
| 465 |
AppConfig.Flags.bIsDHCPEnabled = FALSE;
|
| 466 |
#endif
|
| 467 |
}
|
| 468 |
|
| 469 |
BOOL StringToIPAddress(char *str, IP_ADDR *buffer)
|
| 470 |
{
|
| 471 |
BYTE v;
|
| 472 |
char *temp;
|
| 473 |
BYTE byteIndex;
|
| 474 |
|
| 475 |
temp = str;
|
| 476 |
byteIndex = 0;
|
| 477 |
|
| 478 |
while( v = *str )
|
| 479 |
{
|
| 480 |
if ( v == '.' )
|
| 481 |
{
|
| 482 |
*str++ = '\0';
|
| 483 |
buffer->v[byteIndex++] = atoi(temp);
|
| 484 |
temp = str;
|
| 485 |
}
|
| 486 |
else if ( v < '0' || v > '9' )
|
| 487 |
return FALSE;
|
| 488 |
|
| 489 |
str++;
|
| 490 |
}
|
| 491 |
|
| 492 |
buffer->v[byteIndex] = atoi(temp);
|
| 493 |
|
| 494 |
return (byteIndex == 3);
|
| 495 |
}
|
| 496 |
|
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